| Server | Apache |
| Accept-Encoding | gzip |
| Default-Charset | UTF-8 |
| Content-Language | en-GB |
| Vary | User-Agent,Accept-Encoding |
| Strict-Transport-Security | max-age=31536000; includeSubDomains; preload |
| Pragma | no-cache |
| X-FRAME-OPTIONS | DENY |
| X-XSS-Protection | 1; mode=block |
| X-Content-Type-Options | nosniff |
| Content-Security-Policy | default-src *; script-src 'self' 'unsafe-inline' 'unsafe-eval' https:; object-src *; style-src 'self' 'unsafe-inline' https:; img-src *; media-src *; frame-src https://ahrefs.com/; font-src *; connect-src * |
| X-Content-Security-Policy | default-src *; script-src 'self' 'unsafe-inline' 'unsafe-eval' https:; object-src *; style-src 'self' 'unsafe-inline' https:; img-src *; media-src *; frame-src https://ahrefs.com/; font-src *; connect-src * |
| X-WebKit-CSP | default-src *; script-src 'self' 'unsafe-inline' 'unsafe-eval' https:; object-src *; style-src 'self' 'unsafe-inline' https:; img-src *; media-src *; frame-src https://ahrefs.com/; font-src *; connect-src * |
| Upgrade | h2,h2c |
| Connection | Upgrade, Keep-Alive |
| Last-Modified | Sat, 30 Sep 2017 00:43:53 GMT |
| Accept-Ranges | bytes |
| Cache-Control | private, no-cache, no-store, proxy-revalidate, no-transform, max-age=3600 |
| Expires | Sat, 30 Sep 2017 12:50:34 GMT |
| Content-Encoding | gzip |
| Keep-Alive | timeout=5, max=100 |
| Content-Type | text/html; charset=utf-8 |