The Access-Control-Expose-Headers response header indicates which headers can be exposed as part of the response by listing their names
| Websites using header Access-Control-Expose-Headers | 162,327 |
| Percentage of websites that use Access-Control-Expose-Headers header | 0.17% |
| Total discovered header values | 3,191 |
| Header uses directives | Yes |
| Header values are unique or random | No |
| Most popular in the country |  US |
| Directive | Share | Websites count | Unique Values |
|---|---|---|---|
| request-context | 30.90% | 50,158 | 1 |
| content-length | 17.80% | 28,894 | 1 |
| content-range | 11.64% | 18,900 | 1 |
| content-type | 7.74% | 12,566 | 1 |
| date | 4.05% | 6,574 | 1 |
| x-frontend | 3.85% | 6,250 | 1 |
| cache-control | 2.87% | 4,662 | 1 |
| location | 2.84% | 4,606 | 1 |
| * | 2.80% | 4,541 | 1 |
| range | 2.42% | 3,926 | 1 |
| x-requested-with | 2.11% | 3,431 | 1 |
| x-request-id | 1.81% | 2,938 | 1 |
| transfer-encoding | 1.42% | 2,305 | 1 |
| if-modified-since | 1.33% | 2,156 | 1 |
| user-agent | 1.31% | 2,120 | 1 |
| keep-alive | 1.26% | 2,042 | 1 |
| dnt | 1.23% | 2,002 | 1 |
| x-customheader | 1.09% | 1,777 | 1 |
| x-frame-options | 0.85% | 1,386 | 1 |
| api-version | 0.76% | 1,227 | 1 |
| x-cdn-diag | 0.75% | 1,224 | 1 |
| x-csrf-token | 0.40% | 657 | 1 |
| x-proxy-cache | 0.12% | 189 | 1 |
| Top 10k sites | 248 websites |
| Top 100k sites | 1,623 websites |
| Top 1m sites | 8,649 websites |
| Domain | Country | Rank | Contacts |
|---|---|---|---|
| US | 9 | ||
| US | 9 | ||
| US | 42 | ||
| US | 64 | ||
| US | 65 | ||
 RU | 74 |
| Header value | Value prevalence |
|---|---|
| Request-Context | 30.88% |
| X-Log, X-Reqid | 11.06% |
| Content-Length,Content-Range | 6.70% |
| X-Frontend | 3.84% |
| AMP-Access-Control-Allow-Source-Origin | 3.79% |
| * | 2.70% |
| Content-Length | 2.27% |
| Access-Control-Allow-Origin,Access-Control-Allow-Credentials | 2.03% |
| WWW-Authenticate,Server-Authorization | 1.73% |
| Location, X-Request-Id | 1.25% |
| Content-Disposition | 1.14% |
| Server-Timing | 1.09% |
| date | 1.07% |
| Content-Type | 1.07% |
| Authorization | 0.87% |
| x-ms-request-id,Content-Length,Date,Transfer-Encoding | 0.86% |
| Date, Server, Content-Type, Content-Length | 0.81% |
| x-auth-token | 0.78% |
| x-cdn-diag | 0.75% |
| X-Backend-Timestamp, Etag, Last-Modified, X-Object-Manifest, X-Timestamp | 0.73% |