Field notes from the rendered web.
Hydration bugs we have seen in the wild, AI search readiness, and what we are shipping.
Crawlfix white paper: SEO for the rendered web
A reference for engineers and founders shipping React, Next.js, Vue, and other JavaScript-rendered sites. Covers the mechanics of two-pass indexing, AI search eligibility, and a practical detection checklist.
- 5 min →Field notesMay 4, 2026
Why your React app disappears from Google after a deploy
A real failure mode we have seen four times in three months. Rankings drop overnight after a routine refactor. The cause is almost always the same.
- 7 min →AI searchApr 29, 2026
AI search readiness, without the GEO snake oil
Google says AI Overviews use normal SEO signals. Most of the GEO advice on the internet is invented. Here is the short list of things that actually move the needle.
- 6 min →JS SEOApr 22, 2026
The hidden gap between your raw HTML and what Google sees
Most SEO crawlers fetch your page once, before JavaScript runs. Modern users see something completely different. The delta is where ranking gets quietly destroyed.