Access-Control-Max-Age
HTTP response headerThis header gives the time for which results of a CORS preflight request that checks to see if the CORS protocol is understood and a server is aware using specific methods and headers can be cached. (Indicates how long the results of a preflight request can be cached)
Header usage statistics
Access-Control-Max-Age response header information and usage statistics.| Websites using header Access-Control-Max-Age | 81,824 |
| Percentage of websites that use Access-Control-Max-Age header | 0.10% |
| Total discovered header values | 247 |
| Header uses directives | No |
| Header values are unique or random | No |
| Most popular in the country |  United States |
Access-Control-Max-Age Directives
Access-Control-Max-Age directives value information and usage statistics| Directive | Share | Websites count | Unique Values |
|---|
Access-Control-Max-Age header usage distribution by website rank
Geographical Distribution
Header usage distribution by websites across the globe.Websites utilizing Access-Control-Max-Age
List of websites that use Access-Control-Max-Age header| Domain | Country | Rank | Contacts |
|---|---|---|---|
| United States | 131 | ||
| United States | 215 | ||
| United States | 319 | ||
| United States | 522 | ||
| United States | 1,091 | ||
 China | 1,163 |
Common header values
List of top common Access-Control-Max-Age header values| Header value | Value prevalence |
|---|---|
| 1000 | 17.67% |
| 2592000 | 17.49% |
| 3600 | 14.87% |
| 1728000 | 14.83% |
| 86400 | 13.87% |
| 1800 | 3.73% |
| 600 | 3.56% |
| 3628800 | 2.29% |
| 7200 | 1.66% |
| 3000 | 1.60% |
| 0 | 1.46% |
| 300 | 1.02% |
| 31536000 | 0.74% |
| -1 | 0.64% |
| 1 | 0.37% |
| 60 | 0.33% |
| 604800 | 0.24% |
| 864000 | 0.22% |
| 172800 | 0.20% |
| 60000 | 0.19% |