No X-Content-Type-Options
WarningLow priority
Pages of this site whose response does not send X-Content-Type-Options: nosniff.
Why it matters
Without it a browser may guess what a file is instead of believing its content type, and a file uploaded as an image can be run as a script.
How to fix it
Send X-Content-Type-Options: nosniff with every response.
Skitter runs this check on every crawl, and lists each page it finds with the evidence: the header, the tag or the link that gave it away.