Sites using Rack CORS
CORS middleware for Ruby Rack applications.
Found via: Product Hunt 11 · Hacker News 1 · StackScope Wider Web 29
Figures on this page reflect sites found via StackScope Wider Web only. The "Found via" counts above always show every source. Reset
Rack CORS has been detected on 29 launches we've crawled, with 29 of those in July 2026 (0.1% of the month's launches so far). Most recent detection was 6 days ago.
It's most commonly paired with Google Tag Manager, HSTS, and Facebook Pixel. By product type, the launches using it are most often Content (62%) and E-commerce (38%). By domain ending, launches using it are 190.4 times as likely as the average launch to live on a .store domain.
What kind of products ship with Rack CORS
13 launches
Share of new launches using Rack CORS
Each dot is one launch day. Line is the 7-day rolling average.
Developer Tools leaders
| Tool | % of launches | % of category | ||
|---|---|---|---|---|
| #1 |
Vite
|
25.53% | 96.33% | |
| #2 |
Rspack
|
0.27% | 1.02% | |
| #3 |
SheetJS
|
0.10% | 0.39% | |
| #4 |
Rack CORS
Current page
|
0.05% | 0.19% | |
| #5 | Istio | 0.05% | 0.19% |
Percentages show adoption among launches found via StackScope Wider Web: the share of all such launches, and of those using any Developer Tools tool. All 55 in Developer Tools →
Often used with
| Tool | Launches |
|---|---|
Google Tag Manager
|
31 |
| HSTS | 31 |
Facebook Pixel
|
31 |
Google Search Console
|
31 |
Fourthwall
|
31 |
Tools most often detected on the same launches as Rack CORS.
29 sites across the wider web use Rack CORS
StackScope Wider Web counts newly launched sites that are not indie product launches. They shape the aggregate figures on this page but are never listed individually. How StackScope Discovery works · Back to launches