Khan-academy.appspot.com
- Title
- Khan Academy
- Meta Description
- Learn for free about math, art, computer programming, economics, physics, chemistry, biology, medicine, finance, history, and more. Khan Academy is a nonprofit with the mission of providing a free, world-class education for anyone, anywhere.
- Meta Keywords
- khan academy, learn, videos, lectures, practice, exercises, skills
Content-Type | text/html; charset=u |
Cache-Control | no-cache |
X-Frame-Options | SAMEORIGIN |
X-Content-Type-Options | nosniff |
Content-Encoding | gzip |
Vary | Accept-Encoding |
Server | Google Frontend |
Alternate-Protocol | 443:quic,p=1 |
Alt-Svc | quic=":443"; p="1"; |
Expires | Thu, 05 Nov 2015 17: |
Transfer-Encoding | chunked |