On-Page SEO Checklist: 15 Steps to Optimize Any Page
On-page SEO is everything you control on the page itself. Work through these 15 steps in order — the first ones decide whether a page can rank at all, the later ones how well it competes.
Make sure the page is indexable and returns 200, target one keyword per page, put it in a unique title tag, H1 and the first paragraph, write a click-worthy meta description, structure content with clear H2/H3 headings, cover the topic fully, add descriptive image alt text, link to related pages, add structured data and keep the page fast and mobile-friendly. Check any page against all of this with a free SEO checker.
1–3. Make sure the page can rank at all
1. Indexable: no noindex in the robots meta tag or the X-Robots-Tag HTTP header, and not blocked in robots.txt. Staging-site noindex tags left in place after launch are one of the most common reasons a page never appears in Google.
2. Returns HTTP 200 with no redirect chains. If the URL redirects, link to the final URL directly.
3. One canonical URL. Add a self-referencing <link rel="canonical"> so duplicate versions (tracking parameters, http vs https, trailing slashes) consolidate onto one page. The SEO Checker tests all three in seconds.
4. Pick one primary keyword and match its intent
Every page should target one main search — plus its close variants — and match what that searcher wants. “How to…” searches need a guide, “best…” needs a comparison, “…calculator” needs a working tool. Check intent with the Search Intent Analyzer and look at what already ranks before you write.
5–6. Write the title tag and meta description
5. Title tag: unique, descriptive, with the keyword near the start and a reason to click, fitting about 580 pixels so it isn't truncated. Generate options with the Meta Title Generator.
6. Meta description: not a ranking factor, but it's your ad copy. 120–155 characters with the keyword, a benefit and a call to action. Try the Meta Description Generator and preview both with the SERP Snippet Preview.
7–8. Use one clear H1 and a logical heading outline
7. One H1 that states the page's topic — usually close to the title tag.
8. H2s for main sections and H3s nested beneath them, without skipping levels. Headings should read like a table of contents. Map yours with the Heading Analyzer.
9–10. Put the keyword early and cover the topic fully
9. Mention the main keyword naturally in the first 100 words so the topic is clear immediately.
10. Answer the search completely: the sub-questions people ask, related concepts, examples and specifics. Use the Long-Tail Keyword Generator to find real questions and the LSI Keyword Generator for related terms. Don't chase a keyword density — it isn't a ranking factor — but do avoid stuffing, which the Keyword Density Checker flags.
11. Describe your images
Give every meaningful image short, descriptive alt text; use alt="" for purely decorative ones. Use descriptive file names and compress images so they don't slow the page. Find missing alt text with the Image Alt Text Checker.
12. Link to and from related pages
Link from this page to related pages with descriptive anchor text (not “click here”), and link to it from other relevant pages on your site — especially strong ones. Internal links help Google discover pages and understand how they relate.
13–15. Structured data, sharing tags and page experience
13. Add structured data (JSON-LD) that matches the content — Article, Product, FAQ, SoftwareApplication, LocalBusiness — to qualify for rich results.
14. Add Open Graph and Twitter card tags so shares show the right title, description and image. Check them with the Meta Tag Analyzer.
15. Keep it fast, secure (HTTPS) and mobile-friendly with a viewport tag. Test Core Web Vitals in Google PageSpeed Insights.
Check everything at once
Run the page through the On-Page SEO Checker with your target keyword to see exactly where the keyword appears and which technical issues remain, then compare against the page that outranks you with the SEO Score Checker.
Try Free Web Tools Mentioned in This Guide
SEO Checker
Audit any page's SEO — meta tags, headings, content, images, links, schema and technical health.
On-Page SEO Checker
Check how well a page targets a keyword — title, H1, first paragraph, URL, headings and density.
Meta Title Generator
Generate SEO title tags that fit Google's pixel limit — for tools, blogs, products and local pages.
Heading Analyzer
Map a page's H1–H6 outline and find missing H1s, skipped levels and empty headings.
Image Alt Text Checker
Find images with missing, empty, file-name or overly long alt text on any page.
Frequently Asked Questions
What is the most important on-page SEO factor?↓
Being indexable is the prerequisite. After that, content that fully satisfies the search intent matters most, supported by a relevant title tag and H1.
Is keyword density still important?↓
No. Google doesn't use keyword density as a ranking factor. Use the keyword naturally, cover the topic well, and avoid stuffing.
How long does on-page SEO take to work?↓
Google needs to recrawl the page, which can take days to weeks. Request indexing in Search Console after major changes. Competitive keywords also depend on backlinks and authority, which take longer.