Headers Security Advanced & HSTS WP vs Safe SVG
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| Feature | Headers Security Advanced & HSTS WP v5.3.5 · checked 23 Oct 2026 Free + paid · ★ 4.8/5 Visit Details | Safe SVG v2.5.1 · checked 23 Oct 2026 Free · ★ 4.9/5 Visit Details |
|---|---|---|
| At a glance | ||
| Active installs | 90,000+ | 1M+ |
| Last updated | September 4, 2026 | September 22, 2026 |
| Editions | Headers Security Advanced & HSTS WP · Shield (paid add-on) ($) | Safe SVG |
| Pros | Sends HSTS, CSP, X-Frame-Options and Permissions-Policy from one settings page; Can write headers to Apache or LiteSpeed configuration; Self-check confirms the headers reach the browser | Sanitises SVG uploads before they are stored; Shows SVG previews in the media library; Choose which user roles can upload SVG files |
| Cons | Strict CSP or frame rules can break third-party scripts and embeds; Paid Shield add-on tabs are shown as locked in the free code; Writing server config files needs care on shared hosting | SVG optimiser is off by default and needs a code filter; Settings are limited to the upload role choice; Sanitising rules decide what markup survives, so check designs after upload |
| More features | ||
| Other features | HSTS header, Content-Security-Policy header, Permissions-Policy header, X-Frame-Options header, Write headers to Apache or LiteSpeed config, Self-check of headers after changes, Shield add-on tabs shown as locked ($) | SVG uploads allowed by MIME type, Sanitise SVG on upload, SVG previews in the media library, Upload permission by role, Optional SVGO optimisation on upload, SVG icon block, REST route for SVG attachments, Works with Enable Media Replace uploads |
| Integrations | ||
| Payment | LemonSqueezy licence API ($) | — |
| Plugins | — | Enable Media Replace |
| Requires WordPress | 4.7 | 6.9 |
| Requires PHP | 7.4 | 7.4 |
| Tested up to | 7.0 | 7.1 |
| Phones home | No | No |
| External services | api.lemonsqueezy.com | — |
| Blocks | — | 1 |