On-Page SEO Checklist (2026): 18 Things to Fix Before You Publish Any Page

On-page SEO is everything you control on the page itself. Run this checklist before you publish; it takes ten minutes and prevents most ranking problems.

From my own work: I run this exact list on every post I publish, and an audit of my own older posts showed missing descriptions and weak internal links were the most common gaps.

Search snippet (4 checks)

1. Title unique, under about 60 characters, main topic first (Google’s title guidance).
2. Meta description that honestly summarises the page in about 150 characters.
3. Short, readable URL with the topic words.
4. Canonical points to the page itself.

Content quality (5 checks)

5. Answers the search intent in the first screen.
6. Adds something original: your experience, examples, screenshots or data (see Google’s helpful content guidance).
7. Facts are accurate and sourced to trusted references.
8. Shows who wrote it and why they are qualified (author box, about page).
9. No duplicate or near-duplicate page on your own site.

Structure (3 checks)

10. One H1; H2/H3 in logical order.
11. Short paragraphs, lists and tables where they help.
12. A clear next step (read more, contact, subscribe).

Links (3 checks)

13. 2 to 5 internal links with descriptive anchor text (see keyword research).
14. Links to authoritative sources where useful.
15. No broken links.

Media and speed (3 checks)

16. Images compressed, with width/height and descriptive alt text.
17. Mobile layout tested on a real phone.
18. Passes Core Web Vitals; do not lazy-load the top image.

After publishing

Request indexing in Search Console, share the page, and review impressions after a few weeks. Technical issues beyond the page are covered in the technical SEO audit checklist.

Need help with this on your own site or business?

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See the portfolio and the AI agent services, or tell me what you need.

FAQ

Does meta description affect ranking?

It is not a direct ranking factor, but a good one improves clicks.

How long should a post be?

As long as needed to answer the question well; length itself is not a goal.

Do I need schema markup?

Basic Article and breadcrumb markup helps; add other types only when the content truly fits.

Sources

• Google Search Central: SEO Starter Guide
• Google: Creating helpful, people-first content
• Google: Title links
• web.dev: Core Web Vitals