CORS.SH on new websites
Hosted CORS proxy service for bypassing browser same-origin restrictions.
- Sites using CORS.SH
- 3
- since Apr 2026
- Last 30 days
- 0.0%
-
of new sites, to Oct 20
no change on the 30 days before - Last 7 days
- 0.0%
- of new sites, 7-day average
no change on the week before
| First seen | Apr 19, 2026 |
|---|---|
| Last seen | Sep 8, 2026 |
What we found
- CORS.SH did not appear on any new site in the last 30 days.[1]
Share of new sites using CORS.SH
The line is the 7-day average share of new sites that use CORS.SH, since 10 September.
Developer Tools on new sites
| # | Movement | Tool | Share of category | Bar | |
|---|---|---|---|---|---|
| 1 | – |
Vite
|
98.3% | ||
| 2 | – |
pywb (Wayback Machine toolkit)
|
0.3% | ||
| 3 | ▲1 |
Instant.page
|
0.2% | ||
| 4 | ▼1 |
Weglot
|
0.2% | ||
| 5 | ▲2 |
Rack CORS
|
0.1% | ||
| … | |||||
| 221 | ▲6 | CORS.SH | <0.1% | ||
All-time shares across the new sites we track: of all of them, and of the sites using any Developer Tools tool. Among September launches it ranked #175 in Developer Tools, up from #181 in August. All 510 in Developer Tools
Recently launched products built on CORS.SH
1 of the 3 sites using CORS.SH are product launches we list individually. The other 2 are new business and personal sites: they count towards the figures above but are not listed here. A watch sends them to you.
| Site | Found |
|---|---|
| Valuta VIP valutaconsulting.com · Crypto | Apr 19 |
Watches, exports and the API give you all 3 sites using CORS.SH, from £15 a month.
Notes
- 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.SH when we detect CORS.SH 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