Websites that block Riddler in the Books niche

Site Stats Database tracks 509 websites that are both Riddler and Books, each enriched with traffic, authority, and the full detected tech stack.

They tend to have lower authority than the typical website: their median Ahrefs Domain Rating is 22, lower than the 28 median across all sites Site Stats Database tracks.

Traffic estimates, keywords, and authority come from DataForSEO; Domain Rating comes from Ahrefs' public endpoint; and the topic, market, and technology detections come from Site Stats Database's own crawler.

Yes. The complete, filterable list of all 509 websites that block Riddler in the Books niche, with traffic history, authority, keywords, and the full tech stack, is available with a Site Stats Database plan.