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On-Page SEO

On Page SEO Tasks

On-page SEO tasks are the actions you take on an individual webpage to help search engines understand its topic and help users get a better result.

Beginner3 min readUpdated 2026-07-26Reviewed by Lucía Marín

Key takeaways

  • Start with one primary keyword per page and support it naturally with secondary keywords.
  • Match search intent by analyzing the format, depth, and angle of top-ranking pages.
  • Write clear title tags (under 60 characters) and compelling meta descriptions to improve CTR.
  • Use a single descriptive H1 and a logical H2/H3 structure for scannability.
  • Add internal links to related pages and external links to authoritative sources for context.

For SEO practitioners, on-page tasks are the controllable layer that directly affects relevance, click-through rate, and user experience.

Example: Optimizing a blog post about 'best running shoes'

  • Keyword choice: Primary keyword 'best running shoes', secondary keywords 'trail running shoes', 'cushioned running shoes'.
  • Title tag: '10 Best Running Shoes for 2025 – Tested for Comfort & Durability' (under 60 chars).
  • Meta description: 'Discover the top 10 running shoes of 2025. Our experts tested for cushioning, support, and durability. Find your perfect pair today.' (under 160 chars).
  • H1: 'Best Running Shoes 2025: Expert Tested & Reviewed'.
  • H2s: 'How We Tested', 'Top 10 Running Shoes', 'Buying Guide'.
  • Internal links: Link to 'How to Choose Running Shoes' and 'Running Shoe Care Tips'.
  • Images: Compressed JPEGs with alt text like 'Nike Air Zoom Pegasus 40 side view'.
  • Page speed: Image compression and caching reduce load time to under 2 seconds.

Quick-start checklist (6 steps)

  1. Choose one primary keyword per page and list 3-5 secondary keywords.
  2. Analyze search intent by reviewing top-ranking pages for format (list, guide, video) and depth.
  3. Write a unique title tag under 60 characters including the primary keyword.
  4. Craft a compelling meta description under 160 characters that summarizes the page and encourages clicks.
  5. Structure headings logically: one H1 with the primary keyword, H2s for main sections, H3s for subsections.
  6. Add internal links (2-3) to related pages and external links (1-2) to authoritative sources.

How to judge if your on-page SEO is effective

  • Title tag: Does it include the primary keyword and match the page content? Is it under 60 characters?
  • Meta description: Does it summarize the page and include a call to action? Is it under 160 characters?
  • Heading structure: Is there exactly one H1? Are H2s and H3s used to break up content logically?
  • Content relevance: Does the page fully answer the search query? Is the content comprehensive and unique?
  • Internal linking: Are there links to relevant pages within your site? Do they use descriptive anchor text?
  • Image optimization: Are all images compressed? Do they have descriptive file names and alt text?
  • Page experience: Does the page load quickly (under 3 seconds)? Is it mobile-friendly? Are Core Web Vitals passing?

Common mistakes to avoid

  • Keyword stuffing: Repeating the same keyword unnaturally in titles, headings, and body copy.
  • Generic or misleading titles: Using titles that don't match the page content or intent.
  • Missing or weak internal links: Not linking to related pages, missing opportunities for relevance distribution.
  • Ignoring image alt text: Leaving alt text empty or using generic phrases like 'image1.jpg'.
  • Poor heading hierarchy: Using multiple H1s or skipping heading levels (e.g., H1 to H3 without H2).
  • Neglecting page speed: Not optimizing images, caching, or minifying code, leading to slow load times.

Next step

FAQ

What is the first step in on-page SEO?

Choose one primary keyword or topic per page and ensure it matches search intent.

Do meta descriptions affect rankings?

No, but they can improve click-through rate by summarizing the page content.

How many H1 tags should a page have?

One descriptive H1 per page is recommended for clarity and structure.

Related topics

Sources

Reviewed by Lucía Marín, Founding editor.