Four HTTP security headers every WordPress site should set

TL;DR: Four response headers, a few minutes of work, most of the header-level security gap closed....

martedì 2 giugno 2026 New tab

543 words~2 min read

TL;DR: Four response headers, a few minutes of work, most of the header-level security gap closed. Exact values below, plus a one-line curl to check any site.

Run this against your own site first:

curl -I -s https://yoursite.com | grep -i -E 'strict-transport|x-content|x-frame|referrer'

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Four HTTP security headers every WordPress site should set

Four HTTP security headers every WordPress site should set

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