| Path and query string size | 8Kb | The maximum bytes (not characters) that XDN will accept in path and query string. |
| Cookie size | 32Kb | The maximum bytes that XDN will accept in request or response cookies. |
| HTTP header size | 64Kb | The maximum bytes that XDN will accept in request or response HTTP headers. |
| HTTP header count | 70 | The maximum number of developer-controlled headers XDN will accept in HTTP request or response. Exceeding this will result in 542 status code. |
| Scheduling timeout | 60 seconds | The number of seconds XDN will try to schedule a request processing before timing out. Exceeding this will result in 541 status code. |
| Worker timeout | 20 seconds | The number of seconds XDN will wait for project code to process the request before timing out. Exceeding this will result in 539 status code. |
| Prerender concurrency | 200 |
| Total number of prerendered requests | 25,000 per deployment |