Miscellaneous
Who left SPDY, and who still runs it
8 websites in the top 1M run SPDY, observed directly from the rendered page in the July 2026 crawl.
1
stopped running it that month
0
of those are 11–500 employees
4
adopted it in the last year
Confirmed across two consecutive crawls, not a single month. Build the list →
Some companies running SPDY
Every row in a full list carries the prospect's whole detected stack.
Not currently available as a list.
What else they run
HSTS 100%jQuery 63%jQuery UI 50%Nginx 50%crypto-js 50%PHP 50%React 38%Google Font API 38%core-js 38%Lodash 25%
Share of a 8-domain sample of SPDY users that also run each.