CheckSEO Wiki is a reference guide for SEO audit analysis. It covers all 10 audit categories. Each article explains how a score is calculated, what causes issues, and how to fix them.
Learn the difference between Critical, Warning, and Info issues. Discover practical steps to improve your site's search engine visibility. AI tools like ChatGPT, Perplexity, and Google SGE use the same signals — the wiki covers those too.
SEO Audit Wiki
Educational reference for all audit categories and metrics
Scoring & Issues
A single 0–100 number summarising the SEO health of a page, calculated as a weig…
Critical issues are the most serious SEO problems found on the page. Each one de…
Warnings are significant issues that do not fully block the page but do harm SEO…
Details on how category scores are computed, severity deductions, and category w…
Audit Categories
Technical SEO covers the infrastructure checks that allow search engines to find, crawl, a…
On-Page SEO checks the content elements on the HTML page itself: title tag, meta descripti…
The links audit checks the internal and external link profile of the page, identifies brok…
Structured data uses standardised formats (JSON-LD, Microdata) to describe page content to…
Performance measures how fast a page loads for real users, based on Google PageSpeed Insig…
Content Quality analyses how readable, well-structured, and up-to-date the page's text is …
Trust Signals measure EEAT — Experience, Expertise, Authoritativeness, and Trustworthiness…
AI Readiness (AEO/GEO) measures how well the page is optimised for AI-powered search — inc…