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Who left Zenfolio, and who still runs it
4 websites in the top 1M run Zenfolio, observed directly from the rendered page in the July 2026 crawl.
Some companies running Zenfolio
Every row in a full list carries the prospect's whole detected stack.
Not currently available as a list.
What else they run
Open Graph 100%Cloudflare 100%HTTP/3 100%jQuery 100%Optimizely 75%Cloudflare Bot Management 75%Lodash 75%HSTS 75%Appcues 75%Google Font API 50%
Share of a 4-domain sample of Zenfolio users that also run each.