Full technical SEO audit of my own website tabaix.com: Google Search Console diagnosis, 148 pages indexed and 576 not indexed (370 discovered-not-indexed, 86 crawled-not-indexed, 46 with 404 errors, 16 with 5xx errors). Impressions fell from 503 to 34 per week in July 2026. I ruled out a penalty, manual action, security issue and robots block. PageSpeed: mobile 97 (LCP 2.3s), desktop 99 (LCP 0.5s, CLS 0). Delivered a prioritised P0/P1/P2 fix roadmap. Semrush (8 Nov 2026): Site Health 92%, 4 organic keywords, 0 organic traffic, 3.1K backlinks, AI Visibility 0.