On-Page Optimization: The Complete Checklist 2026
On-page optimization is the heart of every SEO strategy. While off-page measures like link building depend on external factors, you have complete control over on-page optimization. At GoldenWing, we've been optimizing websites for the Austrian and international markets for over three years. In this guide, we share our complete checklist—30 points that will sustainably improve your rankings.
What is on-page optimization?
On-page SEO(Also called on-site SEO) refers to all optimization measures that take place directly on your website. This includes technical, content-related, and structural adjustments that ensure search engines can better understand, crawl, and index your pages.
Unlike off-page SEO (backlinks, mentions, social signals), you have complete control over on-page factors. This makes on-page optimization the ideal starting point for any SEO strategy.
On-page vs. off-page vs. technical SEO
| Area | What belongs to it | Control |
|---|---|---|
| On-Page SEO | Content, Title Tags, Meta Descriptions, URLs, H Tags, Images, Internal Links | Complete |
| Off-page SEO | Backlinks, brand mentions, social signals, guest posts | Partially |
| Technical SEO | Crawling, Indexing, Site Speed, Schema Markup, XML Sitemap | Complete |
In practice, these areas overlap. Core Web Vitals, for example, are both a technical and an on-page factor. This guide summarizes everything you can optimize yourself on your website.
Optimize title tags: The most important on-page factor
The title tag (also known as the SEO title) is the most important single on-page element. It appears as a clickable heading in the search results and directly influences your ranking and click-through rate.
Best practices for title tags
- Primary keyword at the beginningPlace your main keyword as far forward as possible in the title tag.
- Optimal length: 50-60 charactersGoogle truncates longer titles. Make the best use of the available space.
- Unique per pageEach page needs a unique title tag. Duplicate titles confuse Google.
- Fire at the endAdd your brand name at the end (e.g., "| GoldenWing")
- Emotional and clickbait-worthyUse numbers, years, or power words ("Complete", "Guide", "Instructions")
Examples of good title tags
| Bad | Good | |
|---|---|---|
| Web design | Web design Vienna: Professional websites from €2,490 | GoldenWing |
| SEO Tips | 15 SEO Tips for Better Rankings in 2026 | GoldenWing |
| About us | GoldenWing: Your digital agency in Vienna since 2023 |
Common mistakes with title tags
- Keyword stuffing"SEO Vienna SEO agency Vienna SEO consulting Vienna" -- this looks spammy and is harmful
- Too genericThe terms "Startseite" or "Home" mean nothing to Google or its users.
- Too longGoogle cuts off entries after 60 characters -- the most important information must come before that.
- Identical TitlesIf multiple pages have the same title, Google doesn't know which one is relevant.
Meta Descriptions: Your sales text in the SERPs
The meta description is the descriptive text below the title tag in search results. Although it's not a direct ranking factor, it influences the click-through rate (CTR) – and that indirectly affects your ranking.
How to write optimal meta descriptions
- Length: 150-160 charactersUse the space fully, but don't exceed it.
- Include keywordGoogle highlights the searched keyword in bold – this increases its visibility.
- Call to ActionPrompt users to click on ("Read now", "Learn more", "Try for free")
- Unique benefitsWhat benefit does the reader gain from clicking on your result?
- No duplicatesEach page needs a unique meta description.
Example
KeywordOn-page optimization checklist
Bad"Here you will find information about on-page optimization. Visit our website for more details."
Good"On-page SEO explained completely: A 30-point checklist for better rankings. Title tags, content, core web vitals & more. Immediately applicable -- read now!"
Important: Google often overrides meta descriptions if it can generate better snippets from the page content. Nevertheless, you should always provide an optimized description.
Using H-tags correctly: Structure for humans and machines
Heading tags (H1 to H6) structure your content and help both readers and search engines to understand the content.
H1 tag: The main heading
- Only one H1 per pageThe H1 is the main heading and should contain the primary keyword.
- Not identical to the title tagThe H1 can be longer or formulated differently.
- Clear and descriptiveThe reader must immediately know what the page is about.
H2 tags: Section headings
H2 tags divide your content into logical sections. They are ideal for secondary keywords and related terms.
H3--H6: Subsections
Use H3-H6 for further subdivisions within H2 sections. Maintain the hierarchy: an H3 always follows an H2, and an H4 follows an H3.
Heading hierarchy: True vs. False
Correct:
- H1: On-Page Optimization Checklist
- H2: Optimize Title Tags
- H3: Best Practices
- H3: Common Errors
- H2: Meta Descriptions
- H3: Optimal length
Incorrect:
- H1: On-page optimization
- H1: Another main heading (second H1!)
- H3: One section (H2 skipped!)
- H2: Title Tags
Clean H-tag structures are a simple but effective on-page factor that many websites neglect.
Content optimization according to E-E-A-T
Content is and always will be king – but not just any content. Google evaluates content according to the E-E-A-T framework:Experience (Experience), Expertise(Professional expertise),Authoritativeness(Authority) andTrustworthiness(Trustworthiness).
What exactly does E-E-A-T mean?
Experience:
Show that you have personal experience with the topic. Your own case studies, screenshots of projects, and personal insights appear more authentic than summarized information from other sources.
Expertise (professional competence):
Demonstrate in-depth expertise. Go beyond superficial knowledge and offer details that only an expert knows.Our SEO expertisebased on over 3 years of practical experience with hundreds of projects.
Authoritativeness (Authority):
Build your reputation as an authority in your niche. Backlinks, mentions, guest posts, and industry awards strengthen your authority.
Trustworthiness:
Build trust: Imprint, privacy policy, HTTPS, clear contact details, author profiles and trustworthy sources.
Content quality: What Google expects
| Criterion | Description | Implementation |
|---|---|---|
| Relevance | Content must match search intent | SERP analysis before writing |
| Depth | Comprehensive coverage of the topic | Coverage of all subtopics |
| Originality | Own perspectives and data | Case studies, own experiences |
| Up-to-dateness | Regularly updated | Annual figures, new developments |
| Readability | Well-structured and understandable | Short paragraphs, lists, tables |
| Media | Images, videos, infographics | Each section is visually supported |
Keyword integration in content
After you have yourKeyword researchOnce you've completed the process, naturally integrate the keywords into your content:
- Primary keywordIn the first paragraph, in 1-2 H2 headings, and of course in the body text
- Secondary keywords: In H2/H3 headings and in the body text
- LSI keywordsNaturally, sprinkle in semantically related terms.
- Keyword density1-2% is a good guideline, but always write for humans, not machines.
URL structure: Short, clear, keyword-optimized
URL structure is an often underestimated on-page factor. A good URL is short, descriptive, and contains the primary keyword.
Best practices for URLs
- Brief and descriptive: /blog/onpage-optimierung-checkliste instead of /blog/2026/03/07/die-komplette-onpage-optimierung-checkliste-fuer-2026
- Incorporate keywordsThe primary keyword should appear in the URL.
- Use hyphensSeparate words with hyphens, not underscores.
- No special charactersAvoid umlauts (ä, ö, ü), spaces and special characters.
- LowercaseURLs should be written entirely in lowercase.
- No IDs or parameters: /products/red-dress instead of /products?id=12345
URL hierarchy
Your URL structure should reflect the site hierarchy:
goldenwing.at/de/ → Homepage
goldenwing.at/de/leistungen/ → Services Overview
goldenwing.at/de/services/seo/ → SEO service
goldenwing.at/de/blog/ → Blog overview
goldenwing.at/de/blog/onpage-optimierung/ → Blog article
A logical URL structure helps Google and users understand the relationship between pages.
Internal linking: The underestimated powerhouse
Internal linking is one of the most powerful and yet most underestimated on-page factors. It distributes link equity (PageRank) within your website and helps Google understand the structure and importance of your pages.
Why internal links are so important
- Link equity distributionPages with many internal links receive more ranking power.
- Crawling helpGooglebot follows internal links to discover new pages.
- Context signalThe anchor text of internal links tells Google what the linked page is about.
- User ExperienceInternal links lead visitors to relevant content and increase the time they spend on the site.
Best practices for internal linking
- Descriptive anchor textsUse "OnPage Optimization Guide" instead of "click here"
- Natural placementLinks should be placed in the body of the text where they are relevant to the reader.
- Link to important pages more frequentlyYour most important pages should receive the most internal links.
- Deep linkingLink not only to the homepage or category pages, but also to specific articles.
- Contextual relevanceOnly link to pages that are thematically relevant to the current content.
- Update regularlyOlder posts should link to newer, relevant content.
Example of a good internal linking strategy
This blog post about on-page optimization naturally links to:
- Keyword Research Guide(related SEO topic)
- Core Web Vitals Guide(technical on-page factor)
- Optimize images(Part of on-page optimization)
- SEO Glossary(Glossary entry)
- SEO Checker Tool(practical tool)
Image SEO: More than just alt tags
Images are an essential part of any modern website. When properly optimized, they can drive additional traffic via Google Image Search and improve the user experience. Poorly optimized, they slow down your website and waste SEO potential.
The most important image SEO factors
1. Alt text (alternative text)
- Describe the image content clearly and precisely.
- Integrate the keyword naturally (no stuffing).
- 80-125 characters are optimal
- Not: alt="image1.jpg" or alt="" (empty)
- Correct: alt="OnPage Optimization Checklist with 30 Points"
2. File name
- Descriptive filename instead of generic name
- Hyphens as word separators
- Not: IMG_20260307.jpg
- Correct: onpage-optimization-checklist.jpg
3. File size and format
- Compress images before uploading (TinyPNG, Squoosh)
- Use modern formats: WebP (30% smaller than JPEG) or AVIF
- Responsive images with srcset for different screen sizes
4. Lazy Loading
- Only load images when they scroll into the visible area.
- Save bandwidth and improve initial loading time.
- In Next.js, it's automatically available via the image component.
You can find more detailed information in ourImage Optimization Guide.
Core Web Vitals: Performance as a ranking factor
Core Web VitalsThese are three metrics that Google uses as official ranking factors. They measure user experience in terms of loading speed, interactivity, and visual stability.
The three Core Web Vitals
| Metric | What it measures | Good | Needs improvement | Bad |
|---|---|---|---|---|
| LCP (Largest Contentful Paint) | Loading speed of the largest visible element | ≤ 2.5 s | 2.5–4.0 s | > 4.0 s |
| INP (Interaction to Next Paint) | Responsiveness to user interactions | ≤ 200 ms | 200–500 ms | > 500 ms |
| CLS (Cumulative Layout Shift) | Visual Stability (Layout Shifts) | ≤ 0.1 | 0.1–0.25 | > 0.25 |
|---|
Optimize LCP
- Compress images and deliver them in modern formats (WebP/AVIF).
- Load critical CSS inline, rest asynchronously
- Keep Server Response Time (TTFB) below 200 ms
- Prioritize Largest Content Element (Preload)
- Use a CDN for faster delivery
Optimize INP
- Minify JavaScript bundles and use code splitting
- Avoid long tasks (no JS tasks longer than 50 ms)
- Efficiently implement event handlers
- Load third-party scripts with a delay (defer/async)
Optimize CLS
- Give images and videos fixed dimensions (width/height)
- Fonts with font-display: load swap and define fallback
- Do not dynamically insert content above the visible area.
- Reserve fixed-size advertising banners and iframes
Check your Core Web Vitals regularly with theSEO Checker or Google PageSpeed Insights.
Mobile optimization: Mobile-first is mandatory
Since 2019, Google has used mobile-first indexing – this means Google primarily evaluates the mobile version of your website. If your mobile site is poorly optimized, your ranking on desktop will also suffer.
Mobile Optimization Checklist
- Responsive DesignYour website must adapt to all screen sizes.
- Touch-friendly elementsButtons and links must be large enough (at least 48x48 px)
- Sufficient font size: At least 16 px for body text on mobile
- No horizontal scrollingContent must fit within the viewport width.
- Fast loading timesMobile users often have slower connections.
- Viewport Meta Tag: meta name="viewport" content="width=device-width, initial-scale=1"
- No blocked resourcesCSS and JS must not be blocked via robots.txt.
- No interstitialsGoogle penalizes annoying pop-ups on mobile devices.
Mobile vs. Desktop: Different User Behavior
| Factor | Mobile | Desktop |
|---|
| Screen size | Small (360-428 px) | Large (1280-1920 px) |
|---|
| Input method | Touch | Mouse/Keyboard |
|---|---|---|
| Session duration | Shorter (avg. 1-3 min.) | Longer (avg. 3-8 min.) |
| Local searches | 60% | 30% |
| Search intent | Often local/transactional | Often informational/commercial |
Mobile optimization is particularly important for Austrian companies: Over 65% of all Google searches in Austria come from mobile devices.
The 30-point on-page SEO checklist
Here is our complete on-page SEO checklist -- 30 points you should check off for every important page on your website.
Title & Meta (1--5)
| # | Point | Status |
|---|---|---|
| 1 | Title tag contains primary keyword (at the beginning) | -- |
| 2 | Title tag is 50-60 characters long | -- |
| 3 | Meta description is unique and 150-160 characters | -- |
| 4 | Meta description contains keyword and CTA | -- |
| 5 | Canonical tag is set correctly | -- |
Headings & Structure (6-10)
| # | Point | Status |
|---|---|---|
| 6 | Only one H1 per page, with keyword | -- |
| 7 | H2 tags for main sections (with secondary keywords) | -- |
| 8 | Logical H-tag hierarchy (H1 → H2 → H3) | -- |
| 9 | Table of contents for long articles | -- |
| 10 | Breadcrumb navigation available | -- |
Content (11-18)
| # | Point | Status |
|---|---|---|
| 11 | Primary keyword in the first paragraph | -- |
| 12 | Content is comprehensive and answers the search intent | -- |
| 13 | Keyword density 1-2% (naturally integrated) | -- |
| 14 | LSI keywords and synonyms built in | -- |
| 15 | Short paragraphs (max. 3-4 sentences) | -- |
| 16 | Using lists, tables and visual elements | -- |
| 17 | E-E-A-T: Author, sources, personal experience visible | -- |
| 18 | At least 1 image/visual per 300 words | -- |
URLs & Links (19-23)
| # | Point | Status |
|---|---|---|
| 19 | URL is short, descriptive and contains keyword | -- |
| 20 | URL uses hyphens, no special characters | -- |
| 21 | 3--5 relevant internal links per page | -- |
| 22 | Descriptive anchor texts (no "click here") | -- |
| 23 | External links to trusted sources | -- |
Images (24-27)
| # | Point | Status |
|---|---|---|
| 24 | Alt text for all images (descriptive, with keyword) | -- |
| 25 | Descriptive file names (hyphens-instead-id.jpg) | -- |
| 26 | Images compressed (WebP/AVIF, < 100 KB if possible) | -- |
| 27 | Lazy loading for images below the fold | -- |
Performance & Mobile (28-30)
| # | Point | Status |
|---|---|---|
| 28 | LCP under 2.5 seconds | -- |
| 29 | CLS below 0.1 | -- |
| 30 | Mobile-friendly design (responsive) | -- |
Use theGoldenWing SEO Checker, in order to automatically check many of these points.
Advanced On-Page Techniques
Once you've mastered the basics, you can get even more out of your on-page optimization with these advanced techniques.
Optimize Featured Snippets
Featured snippets (position 0) are the highlighted answer boxes at the top of the search results. Here's how to optimize for them:
- Paragraph snippetsAnswer the question in 40-60 words directly after an H2/H3 heading.
- List snippetsUse ordered or unordered lists for step-by-step instructions.
- Table snippetsUse HTML tables for comparisons and data overviews.
- "What is" questionsBegin sections with the question as a heading and provide a precise answer.
Schema Markup for On-Page SEO
Structured data helps Google better understand your page's content. Important schema types for on-page optimization:
- Article: For blog articles and guides
- FAQ: For question and answer sections
- How-ToFor step-by-step instructions
- BreadcrumbList: For breadcrumb navigation
- OrganizationFor company information
You can find more information about schema markup in ourStructured Data Guide.
Content Freshness
Google prioritizes recent content, especially on time-sensitive topics. Here's how to keep your content fresh:
- Update regularlyCheck and update important posts at least every six months.
- Show date: Clearly display the publication and update date
- Incorporate new informationAdd new data, tools, or developments
- Remove outdated contentDelete or update sections that are no longer correct.
- Years in Titles"OnPage Optimization 2026" signals up-to-dateness
FAQ: Frequently Asked Questions about On-Page Optimization
What is the difference between on-page and off-page optimization?
On-page optimization encompasses all measures taken directly on your website (content, title tags, URLs, images, internal links, performance). Off-page optimization refers to external factors such as backlinks, brand mentions, and social signals. Both areas are important, but on-page SEO is the foundation—without a well-optimized site, even the best backlinks won't do you much good.
How long does it take for on-page changes to take effect?
It depends on how quickly Google recrawls and indexes your site. Technical changes (title tags, meta descriptions) can take effect within days to a few weeks. Content changes often take four to eight weeks to be reflected in rankings. Fundamental structural changes can take three to six months.
How often should I optimize my pages on-page?
Important pages (landing pages, top blog articles) should be reviewed at least every six months and updated as needed. Immediate analysis is advisable in the event of ranking changes or Google updates. New content should be optimized for on-page SEO from the outset.
Is keyword density still important?
Keyword density as a fixed number (e.g., exactly 2.5%) is outdated. Google understands semantics and context—it's not about repeating a keyword a certain number of times. Instead, you should use your keyword naturally, include synonyms and related terms, and write for the reader, not for an algorithm. A keyword density of 1–2% usually results naturally.
How important are meta keywords?
Meta keywords have played no role for Google since 2009. Google has officially confirmed that the meta keywords tag is completely ignored. You can omit it—it won't hurt, but it won't provide any benefit either. Focus on title tags and meta descriptions instead.
What are the most common on-page SEO mistakes?
The most common errors we see in GoldenWing audits are: missing or duplicate title tags, no meta descriptions, missing or multiple H1 tags, images without alt text, slow loading times due to uncompressed images, and missing internal linking. Most of these errors are easy to fix and bring immediate improvements.
Semantic SEO: Topic Clusters and Pillar Pages
The days when individual keywords were the focus of on-page optimization are over. Google now understands...Topics, entities, and semantic relationshipsA modern on-page strategy is based on the concept of topic clusters.
What are Topic Clusters?
A Topic Cluster consists of three elements:
- Pillar Page (Main Page):A comprehensive page that covers a broad topic (e.g., "SEO optimization")
- Cluster pages:Specialized subpages on specific aspects (e.g., "Keyword research", "Link building", "Technical SEO")
- Internal linking:All cluster pages link to the pillar page and to each other.
Advantages for on-page optimization
Topical Authority:Google recognizes that your website covers a topic comprehensively. Studies by HubSpot show that websites with a topic cluster structure perform better.an average of 13% more organic trafficThey generate websites without a clear thematic structure.
Improved internal linking:The structured linking allows thePageRankefficiently from the pillar page to the cluster pages and vice versa.
Reduced keyword cannibalization:If each page covers a clearly defined sub-topic, your own pages will no longer compete with each other.
Planning and implementing topic clusters
Step 1: Identify the core theme
Choose a topic that fits your business model and has sufficient search volume. For a web design agency in Vienna, the core topic could be "web design".
Step 2: Research subtopics
Use tools like AnswerThePublic, AlsoAsked, or the Google Search Console to find relevant subtopics:
- Web design costs
- Web design trends
- Responsive web design
- Web design for doctors
- Web design Vienna
Step 3: Content Gap Analysis
Check which subtopics you already cover and where gaps exist. Create aContent planfor missing cluster pages.
Step 4: Implement the linking structure
- Each cluster page links to the pillar page at least once.
- The pillar page links to all cluster pages.
- Related cluster pages link to each other.
- Anchor texts aredescriptive and varied(not always the same keyword text)
Semantic keyword optimization
In addition to the main keyword, also usesemantically related terms(LSI keywords). Google also expects terms like these to be included in an article about "on-page optimization":
- Meta tags, title tag, H1 heading
- Keyword density, content quality, readability
- Crawlability, Indexing, Canonical
- User intent, search intent, SERP
Tools like Surfer SEO, Clearscope or the free TF*IDF check from Seobility help you identify relevant terms and determine their optimal frequency.
On-page optimization for multilingual websites
For Austrian companies with international business, theMultilingual on-page optimizationA critical success factor. Implementation errors can lead to Google displaying the wrong language versions in the wrong markets.
Implementing hreflang tags correctly
Hreflang tags tell Google which language version of a page is intended for which country and language. The most common mistakes:
Error 1: Missing backlink
If page A refers to page B, page B must also refer back to page A. Each page must refer back toallLanguage versions refer to each other, including themselves.
Error 2: Incorrect language code
UseISO 639-1 language codes and ISO 3166-1 Alpha-2 country codes:
- 'de-AT' for German (Austria)
- 'de-DE' for German (Germany)
- 'de-CH' for German (Switzerland)
- 'en' for English (international)
Error 3: No x-default
The 'x-default' variant tells Google which page should be displayed to users for whom no specific language version exists. This is usually the English or the primary language version.
URL structure for multilingual websites
There are three common approaches:
- Subdirectories (recommended):'goldenwing.at/de/', 'goldenwing.at/en/' -- easy to manage, benefits from domain authority
- Subdomains:'de.goldenwing.at', 'en.goldenwing.at' -- are treated by Google as separate websites.
- Separate domains:'goldenwing.at', 'goldenwing.com' -- maximum flexibility, but highest effort
We recommend the following for most Austrian companies:Subdirectories, because they have the least administrative overhead and utilize the existing domain authority.
Content localization vs. translation
A pure1:1 translationThis is not enough for good rankings. Please note:
- Keyword research per market:"Web design" has a different search volume and different long-tail variants in Germany than in Austria.
- Local references:Mention local examples, laws, and market conditions.
- Different search intentions:The same search query can have different intentions in different markets.
- Linguistic subtleties:Austrian German differs from German used in Germany (Jän vs. Januar, Paradeiser vs. Tomaten).
Technical features
- Canonical TagsFor multilingual sites: Each language version has its ownown Canonical, which points to itself (not to the main language)
- Sitemap:Create ahreflang-Sitemap, which contains all language versions and their assignments
- Avoid automatic redirection:Don't automatically redirect users based on IP address or browser language. Instead, display aLanguage change notificationon.
Schema Markup as an OnPage Factor
While structured data (schema markup) is not a direct ranking factor, it does influence theClick-through rate (CTR) in search resultsmassively. Rich snippets – the expanded search result displays – can increase the CTR by20-35%increase.
The most important scheme types for Austrian companies
Local Business / Organization:
Basic business information that Google uses for the Knowledge Graph and Google Maps:
- Name, address, telephone number (NAP)
- Opening hours, payment methods
- Logo, industry, year of foundation
FAQ format:
Their FAQ answers are displayed directly in the search results. This saves time.significantly more spaceIt appears on the SERP and visually displaces competitors. Particularly effective for informational search queries.
How-to scheme:
Step-by-step instructions are displayed with numbered steps in the search results. Ideal for tutorial and guide content.
Product and Review:
For e-commerce: Product name, price, availability and star ratings directly in the search results.Products with star ratings receive up to 35% more clicks.
Article / Blog Post:
For blog posts: author, publication date, article image. Improves display in Google News and Discover.
Breadcrumb List:
Displays the page structure in search results as a clickable path. Improves navigation and click-through rate (CTR).
Implementation and validation
JSON-LD (recommended):
Include schema markup as a JSON-LD script in the HTML head. This method is the easiest to implement and is preferred by Google.
Validation:
- Google Rich Results Test:Check if your markup qualifies for rich snippets.
- Schema Markup Validator:Checks the technical correctness of the markup
- Google Search Console > Improvements:Displays detected schema types and errors
Common mistakes in schema markup
- Spam markup:Marking up content that is not visible on the page can lead to a manual penalty.
- False reviews:Award your own products with fictitious 5-star ratings
- Outdated formats:Use Microdata instead of JSON-LD (it works, but is harder to maintain)
- Missing required fields:Each schema type has mandatory fields; without them, the markup is invalid.
Conducting an on-page audit: Step-by-step instructions
A systematic on-page audit uncovers technical problems, content gaps, and optimization potential. For a typical company website with30-100 pagesshould you4-8 hoursPlan for it.
Phase 1: Technical Crawling (60-90 minutes)
Crawl the entire website with a tool likeScreaming Frog(free for up to 500 URLs),Sitebulb or Ahrefs Site Audit.
Check:
- HTTP status codes:Document and fix all 4xx and 5xx errors.
- Redirect chains:Maximum one redirect per URL, no chains or loops.
- Canonical Tags:Each page has exactly one canonical string that points to itself.
- Robots.txt and Meta-Robots:Have you accidentally blocked any important websites?
- XML sitemap:Does it contain all pages worthy of indexing and no blocked URLs?
- Duplicate content:Identify pages with identical or very similar content.
Phase 2: Content Analysis (90-120 minutes)
Title Tags:
- Length: 50-60 characters (approx. 580 pixels wide)
- The main keyword should be placed as close to the beginning as possible.
- Unique for each page
- Contains a clear value proposition or call to action
Meta Descriptions:
- Length: 140-160 characters
- Contains the main keyword and a call to action.
- Unique for each page
Heading structure:
- Exactly one H1 per page
- Logical hierarchy: H1 > H2 > H3 (no jumps)
- Keywords in H1 and H2, naturally worded
Content quality:
- At least 800-1,000 wordsfor main pages,1,500–3,000for blog posts
- E-E-A-T signals: Author information, sources, update date
- No thin content pages (under 300 words without any discernible added value)
Phase 3: UX and Performance Check (60-90 minutes)
- Core Web Vitals:LCP, CLS and INP measure for the top 20 pages
- Mobile Usability:Google Mobile-Friendly Test for all templates
- Internal linking:Are important pages a maximum of 3 clicks away from the homepage?
- Broken Links:Check internal and external links for 404 errors.
- Image optimization:Are all images compressed, do they have alt text and defined dimensions?
Phase 4: Prioritization and action plan (60 minutes)
Create aPrioritized list of measuresaccording to the ICE score model:
- Impact:How much does this measure affect rankings and traffic? (1-10)
- Confidence:How confident are you that the measure will have the desired effect? (1-10)
- Ease:How easy is the implementation? (1-10)
Calculate the average of the three values and sort the measures in descending order. Start with theQuick Wins-- Measures with high impact and low effort, such as adding missing title tags or compressing images.
Audit interval
Conduct a full on-page audit at leasttwice a yearthrough. For active websites with regular content updates, we recommend aquarterly mini-audit, which focuses on new pages and the top 20 landing pages.
Content Freshness: Why Regular Updates Improve Your Rankings
Google prioritizes current content — that's no secret. But how exactly does that work?Freshness algorithmMany website operators in the DACH region (Germany, Austria, and Switzerland) are unaware of how content freshness works and how to effectively use it for on-page optimization. Content freshness is far more than simply changing a date. It's about adding real value to your existing content and keeping it up-to-date for users and search engines alike.
How Google rates Freshness
Google uses several signals to assess the recency of content.Query Deserves FreshnessThe (QDF) model decides individually for each search query how important recency is:
- Current events— Search queries like "algorithm update 2026" require very fresh content.
- Recurring topics— Search queries like "best SEO tools" expect content that is updated at least annually.
- Evergreen themes— Search queries like "what is on-page optimization" tolerate older content but prefer updated versions.
According to aStudy by AhrefsPages that have been updated within the last 12 months will be considered23% more keywordsRanked as identical pages without updates. For the DACH region, where competition for German-language keywords is particularly intense, content freshness can provide the decisive ranking advantage.
Which content should you update?
Not every page needs to be updated regularly. Prioritize your updates according to the following scheme:
High priority (update quarterly):
- Pages with declining organic traffic (visible in Google Search Console)
- Statistics-heavy content where new figures are available
- Comparison articles and tool reviews where features or prices have changed.
- Pages ranking in positions 4-15 — an update here can bring the jump to page 1.
Medium priority (update every six months):
- Guides and how-to articles with timeless basics, but outdated examples.
- Industry-specific content where legal frameworks have changed.
- Pages with a high bounce rate despite good rankings
Low priority (review annually):
- Evergreen content without time-dependent elements
- Legal notice, privacy policy (except in the event of legal changes)
- Portfolio and reference pages
Best practices for content updates
An effective content update goes far beyond cosmetic changes. Google recognizes the difference between a meaningful update and simply replacing a date:
- Add new sections— Expand the article to include relevant aspects that were not covered during its creation.
- Replace outdated information— Update statistics, screenshots, pricing information, and links
- Add internal links— Link to newer content that has been created since the initial publication.
- Structural improvements— Add tables of contents, FAQ sections, or summaries
- Multimedia elements— Add videos, infographics, or interactive elements
- Update schema markup— Ensure that structured data still complies with current Google guidelines.
Important for the Austrian market: Pay attention to updateslegal updatesThe GDPR, the Austrian E-Commerce Act (ECG), and industry-specific regulations change regularly. Outdated legal information on your website can jeopardize not only your rankings but also your legal position.
Implement a content freshness strategy
Create aContent calendar, which schedules regular updates to your most important pages. A pragmatic approach for SMEs in the DACH region:
- Check the top 20 pages for organic traffic in Google Search Console monthly.
- Conduct a comprehensive content audit quarterly.
- With each update, the"Last updated" displayAdjust in the article (Google evaluates this date)
- Performance tracking of the updated pages over 8 weeks after the update
On-page optimization for voice search and featured snippets
Voice search and featured snippets are changing the way users interact with search engines. For on-page optimization, this means adapting content structure, writing style, and technical implementation. Ignoring this development means leaving significant traffic potential untapped.
The status quo of voice search in the DACH region
According to aStudy by PwC Austriaalready use38% of Austrian internet usersregularly use voice assistants like Google Assistant, Siri, or Alexa. In German-speaking countries, usage has increased by [amount missing] in the last three years.45%Participation has increased, with the 25-44 age group being particularly active.
The most common use cases for voice search in Austria are:
- Local searches— "Where is the nearest web design agency?" (62% of all voice searches)
- Information searches— "How much does a website cost?" (24%)
- Navigation searches— "Open the website of [company name]" (14%)
Optimize content structure for voice search
Voice searches differ fundamentally from typed search queries. They arelonger, more conversational, and often phrased as a questionYour on-page optimization must take these special features into account:
Implement a question-and-answer structure:
- Use naturally phrased questions as H2 or H3 headings.
- Answer the question directly and concisely in the first 1-2 sentences (40-50 words).
- Then add more detailed explanations.
Use natural language:
- Write the way your target audience speaks — avoid overly technical jargon.
- Take Austrian language customs and expressions into account.
- UseLong-tail keywords in question form"How do I optimize my website for Google?"
Include local information:
- Prominently display your location, opening hours, and contact details.
- UseLocalBusiness Schema Markupfor structured data
- Create location-specific landing pages for your catchment areas.
Targeted acquisition of featured snippets
Featured snippets — the highlighted answers at the top of Google search results — are thePosition Zeroand thus the holy grail of organic quests. According to oneAnalysis of SEMrushFeatured snippets for the German market receive an average of8.6% of all clicksa search query.
There are four types of featured snippets, each requiring different on-page optimization:
1. Paragraph snippets (82% of all featured snippets)
- Answer one question in a concise paragraph of 40-60 words.
- Place the answer directly below the appropriate H2 or H3 heading.
- Begin your answer with a clear definition or explanation.
2. List snippets (11%)
- Use ordered (`<ol>`) or unordered (`<ul>`) lists.
- Keep list entries short and concise.
- Structure instructions as numbered steps.
3. Table snippets (5%)
- Use HTML tables for comparisons, price overviews, or specifications.
- Label columns and rows clearly.
- Keep tables compact (3-5 columns, up to 10 rows)
4. Video snippets (2%)
- Embed YouTube videos with optimized titles and descriptions
- UseVideoObject Schema Markup
- Add timestamps and chapter markers
Technical requirements for Voice Search and Featured Snippets
In addition to content optimization, there are technical requirements that increase your chances of featured snippets and voice search results:
- Speakable Schema Markup— Indicates content that can be read aloud by voice assistants
- FAQ scheme— Structured question-answer pairs for rich results
- How-to scheme— Marked step-by-step instructions
- Side speedGoogle prioritizes fast pages for featured snippets. The average load time for a page in a featured snippet is...4.6 seconds— significantly faster than average
- HTTPS— A secure connection is required for voice search results.
- Mobile optimization— Over 70% of all voice searches are conducted on mobile devices
Measurement and optimization
Track the success of your voice search and featured snippet strategy with these metrics:
- Featured snippet trackingTools like Semrush or Ahrefs show you which keywords should be featured in snippets.
- CTR analysis— Check in Google Search Console to see how featured snippets affect your click-through rate.
- Long-tail keyword rankings— Monitor your rankings for question-based keywords
- Voice search simulations— Regularly test whether your content is used as a response by Google Assistant or Siri.
Conclusion: On-page optimization as the foundation of your SEO success
On-page optimization isn't a one-off project, but an ongoing process. The good news: you have complete control over all on-page factors. Our 30-point checklist provides you with a clear roadmap for optimizing your website.
The most important takeaways:
- Title Tags and H-Tagsare the foundation -- optimize them first
- Content quality according to E-E-A-Tis the most important single factor
- Internal linkingIt is often underestimated, but extremely effective
- Core Web VitalsThese are official ranking factors -- don't ignore them
- Mobile-Firstis not an option, but a duty
- Regular reviewAnd updates keep your optimization up to date.
Use theGoldenWing SEO Checkerto check the current on-page status of your website. And if you need professional support -- at GoldenWing we have over 3 years of experience with on-page optimization for the Austrian market.Contact usfor a free SEO audit.
