Findings · Security
X-Content-Type-Options
Prevents browsers from MIME-sniffing responses, which can lead to XSS via uploaded files
50.6%
of 1,042 scanned sites fail this check
Fail
50.6%
527 scans
Warning
0%
0 scans
Pass
49.4%
515 scans
Why it matters
This check belongs to Security — is it safe? It's rated medium severity. Prevents browsers from MIME-sniffing responses, which can lead to XSS via uploaded files
The fix
Vettd's Fix Pack includes a copy-paste-ready solution for this check — auto-generated for your specific site, in the right format for your stack. See pricing, or scan first to see what your site needs.
Check your own site for this.
Vettd runs this check (and 81 others) on any URL. Free, no signup, ~30 seconds.
Scan your site →