Allow Your Site to Be Embedded Only on Partner Domains
Replaces the usual same-site framing rule with a Content-Security-Policy frame-ancestors list, so your pages can be shown in iframes on the partner sites you name and nowhere else.
Snippet Library
Snippets that harden WordPress: turn off XML-RPC, hide the version number, stop user enumeration, add security headers and block risky uploads. Small, reviewable changes for site owners who want fewer attack points without a heavy security plugin.
Replaces the usual same-site framing rule with a Content-Security-Policy frame-ancestors list, so your pages can be shown in iframes on the partner sites you name and nowhere else.
Sends Cross-Origin-Opener-Policy, Origin-Agent-Cluster and X-Permitted-Cross-Domain-Policies headers on public pages, which stop other sites you link to or that open yours from reaching into your pages.
Permanently redirects every plain HTTP request to the HTTPS version of the same URL, for sites whose host does not do it already.
Adds a restrictive sandbox to iframes in posts that come from sites not on your trusted list, so an embedded page cannot redirect your visitors, open pop-ups or run scripts against your site.