Add and manage essential HTTP security headers with ease. Protect your WordPress site from XSS, clickjacking, and other common vulnerabilities.
Alternatives to Last-Modified and If-Modified-Since Headers
Plugins below are selected for functional relevance and current directory signals. Active-install counts do not affect this ranking.
Relevant replacements
WordPress plugins with similar use cases
Compatibility and update metadata provide context, not a quality guarantee. Review each plugin’s details for your site.
Show the last updated (last modified) date on WordPress posts and pages, add dateModified schema, and keep minor edits from changing the date.
Add custom email headers to the sent emails.
WP Last Modified Infov1.9.6
Ultimate Last Modified Plugin for WordPress with Gutenberg support. Use shortcodes to show last modified info on WP 4.7+ sites.
Security Headers Auditv1.0.1
Manage HTTP security headers, monitor Content Security Policy (CSP) violations, capture browser console errors, and maintain a complete audit trail of …
Keep the last modified date unchanged for minor post updates.
Kareva Security Headersv1.1.1
Set HSTS, CSP, X-Frame-Options and other HTTP security headers from your dashboard, with presets, testing and reporting.
Jeelsh HTTP Headersv1.0.2
Configure advanced HTTP security headers for your WordPress site.
Best all-in-one WordPress security plugin, uses HTTP & HSTS response headers to avoid vulnerabilities: XSS, injection, clickjacking. Force HTTP/HTTPS.
Automatically display the last modified date on posts, before content or after the title. Supports custom label text and translation.