It looks like you’re referencing a search query or log entry, possibly from Yandex or another search engine, containing:
HTTP/1.1 403 FU10 (custom CDN error)HTTP/1.1 429 Too Many RequestsHTTP/1.1 503 Service Unavailable: Suggests that a previous technical issue or limitation—potentially one that was preventing the crawler from reaching this volume of data—has been resolved. Night 102 / Fu10 crawling night 102 fu10 yandex 3 milyon sonuc bulundu fixed
The Fix: Optimizing the query parameters to "shred" results into smaller, indexable chunks (e.g., filtering by date or sub-region) to eventually reach the 3-million-mark total. Troubleshooting Your Own Crawler It looks like you’re referencing a search query
?filter=price&page=1, ?filter=price&page=2 … up to 1 million variations).YandexBot due to high request rate (identified as "FU10 – flood protection").