Content-Security-Policy Header Missing: How to Add It

Statistical Evidence

Best practices guide for Statistical Evidence (CO-016). Priority: Medium. Batch check required.

The <meta name="fragment" content="!"> tag is a leftover from Google's AJAX crawling scheme, deprecated in 2015…

Best practices guide for H2 Tag Length Too Long (ON-005). Priority: Medium. Live check available.

Best practices guide for Scrollable Region Keyboard (PE-041). Priority: Medium. Batch check required.

Best practices guide for Perplexity Visibility (AI-002). Priority: Medium. Batch check required.

Send a valid X-Frame-Options header (use SAMEORIGIN, or DENY if your pages are never framed) and…