GenerateBlocks vs Spectra

GenerateBlocks is used by more websites in our catalog: 7,718 use GenerateBlocks and 7,065 use Spectra.

GenerateBlocks sites have the higher median Ahrefs Domain Rating (GenerateBlocks: 21, Spectra: 10).

Between 2026-06 and 2026-07, GenerateBlocks went from 1.1% to 0.88% of all tracked sites, while Spectra went from 0.42% to 0.80%. Spectra is gaining ground faster in our index.

149 websites in our catalog use both GenerateBlocks and Spectra.

Adoption is counted from Site Stats Database's own crawl; Domain Rating comes from Ahrefs and traffic from DataForSEO. Figures reflect the sites we track and refresh at least monthly.