On-Page SEO Checklist

Analyze your page's on-page SEO elements against best practices. Get an instant score and actionable recommendations for every item.

Page Details
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SEO Score
Fill in the fields above to get your score.

Frequently Asked Questions

On-page SEO refers to all the optimizations you make directly within a web page to improve its search engine rankings. This includes the title tag, meta description, heading structure, keyword usage, content quality, internal linking, image optimization, URL structure, and page speed. On-page SEO is fully within your control, unlike off-page factors like backlinks.

There is no universal minimum, but studies consistently show that top-ranking pages average 1,000–2,000+ words for informational keywords. Longer content tends to cover topics more comprehensively, earns more backlinks, and ranks for more keyword variations. However, word count should match user intent — transactional pages like product pages can rank well with fewer words if the content is highly relevant and trustworthy.

Run an on-page SEO audit when you first publish a page, when you update the content, when you add new target keywords, or at least once per quarter for your highest-traffic pages. Key metrics to monitor include impressions, CTR, and average position in Google Search Console — drops in any of these are signals to revisit on-page elements.

Keyword cannibalization occurs when multiple pages on the same site compete for the same target keyword. This splits PageRank, confuses search engines about which page to rank, and often results in both pages ranking lower than either would if combined. Fix it by merging pages, setting canonical tags, or differentiating the focus keywords of each page.

Technical SEO focuses on making your website crawlable and indexable: site speed, Core Web Vitals, HTTPS, XML sitemaps, robots.txt, structured data, and fixing crawl errors. On-page SEO optimizes the content and HTML of individual pages: title tags, meta descriptions, heading structure, keyword usage, content quality, internal linking, and image optimization. Off-page SEO builds your site's authority and reputation through external signals: backlinks from other websites, brand mentions, reviews, and social signals. All three pillars work together — excellent content (on-page) won't rank without backlinks (off-page) and a crawlable site (technical). This checklist focuses primarily on on-page SEO factors.

SEO is a long-term investment. For new websites with no existing authority, expect 3–6 months to start seeing meaningful organic traffic, and 6–12 months for competitive keywords. Established sites with existing authority can see improvements in 4–8 weeks for on-page optimizations on already-indexed pages. Factors that accelerate results: high-quality content, strong technical SEO, active link building, and a crawlable site. Factors that slow results: new domain, competitive niche, slow crawl rate, thin content, or a Google penalty. Use Google Search Console to track impressions and clicks from the moment Google starts crawling your optimized pages.

Core Web Vitals are a set of user experience metrics Google uses as a ranking signal, officially confirmed as a ranking factor since June 2021. The three metrics: LCP (Largest Contentful Paint) — measures loading performance; good threshold is under 2.5 seconds. INP (Interaction to Next Paint) — measures responsiveness to user input; replaced FID in March 2024; good threshold is under 200ms. CLS (Cumulative Layout Shift) — measures visual stability (elements moving as the page loads); good threshold is under 0.1. While CWV are confirmed ranking signals, content quality and relevance remain far more important — a slow site with great content typically outranks a fast site with poor content.

Mobile-first indexing means Google uses the mobile version of your website as the primary version for indexing and ranking — rather than the desktop version. Google completed the rollout of mobile-first indexing for all sites in 2023. Implications: your mobile site's content, structured data, and meta tags are what Google crawls and ranks. If your mobile site has less content than desktop (e.g., hidden tabs, collapsed sections), that hidden content may not be indexed. Ensure your mobile site is a complete, fast-loading version of your content. Test with Google Search Console's Mobile Usability report and the Mobile-Friendly Test tool.

E-E-A-T stands for Experience, Expertise, Authoritativeness, and Trustworthiness — Google's framework for evaluating content quality, described in their Search Quality Rater Guidelines. The second E (Experience) was added in December 2022, emphasizing first-hand experience with the topic. Experience: content created by someone with real-world experience. Expertise: subject-matter knowledge demonstrated through accurate, in-depth content. Authoritativeness: recognition by other authoritative sources in the field. Trustworthiness: accurate information, clear sourcing, secure site, transparent authorship. E-E-A-T is especially critical for YMYL (Your Money or Your Life) topics — health, finance, legal, safety — where misinformation has real-world consequences.

The essential SEO tracking tools: Google Search Console (free) — tracks impressions, clicks, average position, and CTR for each query and page; identify indexing issues and crawl errors; required for any serious SEO monitoring. Google Analytics 4 (free) — tracks organic traffic, engagement rates, conversions, and landing page performance by channel. Google PageSpeed Insights / CrUX — monitors Core Web Vitals field data. Key metrics to track weekly: total organic clicks and impressions (Google Search Console), organic sessions (GA4), and keyword position changes for target keywords. Review crawl coverage reports monthly to catch indexing issues early. Set up email alerts for sudden traffic drops which may indicate a Google algorithm update or a technical issue.

About This SEO Checklist

This free SEO checklist walks you through the most important on-page, technical, and off-page SEO factors for any website. Check off each item as you complete it to track your optimisation progress.

When to use this checklist

  • Conducting an initial SEO audit of a new or existing site
  • Ensuring a new page meets baseline SEO requirements before publishing
  • Training a team or client on SEO best practices
  • Preparing a site for a technical SEO or content campaign

Standards & References

How It Works

Enter Page Details

Fill in your target keyword, title, meta description, URL slug, H1, and content. The more fields you complete, the more accurate your score will be.

Automated Analysis

Each field is checked against established on-page SEO best practices: character limits, keyword presence, content depth, and technical requirements.

Score & Recommendations

Each item receives a pass, warning, or fail status with a specific recommendation. Your overall score shows the percentage of best practices met.

Common Use Cases

New Page Publishing

Run this checklist before publishing every new page to ensure all on-page SEO fundamentals are in place from day one and avoid common mistakes.

Content Review Workflow

Add this checklist to your editorial workflow so writers can self-audit their content before submitting to an editor, reducing SEO review time.

Ranking Recovery

When a page loses rankings, use this checklist to quickly identify and fix on-page weaknesses before investigating off-page or technical factors.

SEO Training

Use as a teaching tool to train content teams on on-page SEO fundamentals, providing clear, immediate feedback on each specific practice.

Content Update Prioritization

Audit your existing pages and compare scores to prioritize which pages need the most SEO improvement and which to update first for maximum ranking impact.

Client Reporting

Show clients a before/after SEO score to demonstrate the impact of on-page optimization work performed and communicate the value of your services clearly.

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