cors.lol on new websites

Free CORS proxy that relays browser requests to APIs lacking cross-origin headers.

Sites using cors.lol
2
since Aug 2026
Last 30 days
0.0%
of new sites, to Oct 19
no change on the 30 days before
Last 7 days
0.0%
of new sites, 7-day average
no change on the week before
Rank in Developer Tools
#259
of 506 tools, all time
First seen Aug 4, 2026
Last seen Aug 25, 2026
Website cors.lol

What we found

  1. cors.lol did not appear on any new site in the last 30 days.[1]

Share of new sites using cors.lol

0.00% 0.25% 0.50% 0.75% 1.00% 10 Sep Oct

The line is the 7-day average share of new sites that use cors.lol, since 10 September.

Developer Tools on new sites

# Movement Tool Share of all sites Share of category Bar
1 – Vite 23.7% 98.5%
2 – pywb (Wayback Machine toolkit) 0.1% 0.3%
3 ▲1 Instant.page 0.1% 0.2%
4 ▼1 Weglot <0.1% 0.2%
5 ▲2 Rack CORS <0.1% 0.1%
…
259 cors.lol <0.1% <0.1%

All-time shares across the new sites we track: of all of them, and of the sites using any Developer Tools tool. All 506 in Developer Tools

Recently launched products built on cors.lol

2 of the 2 sites using cors.lol are product launches we list individually.

Notes

  1. These figures cover websites that went live since April 2026, not the web as a whole.

How this page is made

FirstSited looks at each new website near the day it goes live and records what it was built with. We do not go back later, so these figures describe what sites launch with, not what they run today. A site counts towards cors.lol when we detect cors.lol on it at that look.

Every share on this page is a proportion of the new sites we were tracking at the time. Sites we found across the wider web count towards the figures, but only product launches are listed by name. How we detect technologies · How we find new sites

Something not look right? If a technology shown here is wrong or out of date, email [email protected] and we'll review it.