Comment systems
Who left Isso, and who still runs it
1 websites in the top 1M run Isso, observed directly from the rendered page in the latest crawl.
What else they run
Bootstrap 100%Cloudflare 100%Font Awesome 100%Google Analytics 100%Google Font API 100%HSTS 100%Nginx 100%Open Graph 100%PWA 100%Priority Hints 100%
Share of a 1-domain sample of Isso users that also run each.