Most often: indexing issues, incorrect canonicals, broken redirects, missing sitemap or robots.txt, weak Core Web Vitals, and meta-tag errors.

Split issues into blocks: indexing, content signals, performance, and security. Then use focused tools to fix each group step by step.

The express audit checks unique links and images from one page. The full audit deduplicates targets across the site and checks them once within the selected package limits.