| Top charles sites |
| Top river sites |
| Top school sites |
| Server | nginx |
| Content-Type | text/html; charset=u |
| Connection | keep-alive |
| Expires | Fri, 02 Mar 2018 17: |
| X-Server-Upstream | web-page-b-01 |
| Content-Encoding | gzip |
| Vary | Accept-Encoding |
| Age | 743 |
| X-Cache | HIT |
| Grace | normal(limited) |
| X-Via | onMessage Accelerato |
| Version | 1.9.6 |
| Access-Control-Allow-Origin | * |
| Access-Control-Allow-Credentials | true |
| Accept-Ranges | bytes |
| X-SSL-Protocol | TLSv1.2 |
| X-SSL-Cipher | ECDHE-RSA-AES128-GCM |
| X-Engine | onMessage Shield |
| Strict-Transport-Security | max-age=86400 |