| Server | Apache |
| Expires | Thu, 19 Nov 1981 08:52:00 GMT |
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| Content-Security-Policy | default-src 'self' 'unsafe-eval' 'unsafe-inline' data: http://2.gravatar.com http://fonts.gstatic.com http://www.dronesacademy.com https://www.google-analytics.com https://www.youtube.com http://www.concretease.com; script-src 'self' 'unsafe-eval' 'unsafe-inline' https://*.google.com https://*.googleapis.com http://www.google-analytics.com http://www.concretease.com; style-src 'self' 'unsafe-eval' 'unsafe-inline' http://fonts.googleapis.com https://fonts.googleapis.com http://www.concretease.com; |
| X-FRAME-OPTIONS | SAMEORIGIN |
| X-XSS-Protection | 1; mode=block |
| X-Content-Type-Options | nosniff |
| Vary | Accept-Encoding,User-Agent |
| Content-Encoding | gzip |
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| Connection | Keep-Alive |
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| Content-Type | text/html; charset=UTF-8 |