// Evidence-backed case library
Verified SEO research cases
See how real keyword-demand and search-opportunity questions were investigated, which evidence shaped the conclusion, and what each result does not prove.
2 verified cases
Authorized user caseSEO researchGoogle
Decide whether the "ChatGPT 403 Forbidden" error keyword cluster is worth targeting
A keyword demand-signal analysis of the "ChatGPT 403" error family that filtered for 50–500 monthly searches and difficulty under 30, then shaped the results into a two-article troubleshooting cluster instead of standalone pages.
Tools used
$research-seo-signalsAuthorized user caseSEO researchRedditX
Research real keyword-opportunity needs with Reddit and X signals
A cross-platform social-signal study that combined public Reddit and X discussions into an evidence matrix, identifying the decision confidence, risk checks, and demand context people need from a keyword-opportunity product.
Tools used
$research-social-signals