Embeddable on some sites only

x.com · 200 OK · 153 ms

Only these sites may embed it: 'self', https://x.com, https://x.com:443, https://twitter.com, https://twitter.com:443.

X-Frame-Options

SAMEORIGIN (ignored)

CSP frame-ancestors

'self' https://x.com https://x.com:443 https://twitter.com https://twitter.com:443

Cookies

4 set · SameSite: Lax, None

Response

200 OK · 153 ms · HTTPS

Own this site?

Allow framing in two lines

Remove X-Frame-Options and list the sites that may embed you in frame-ancestors. Pick your server to get the config.

Read the full guide
location / {
  proxy_hide_header X-Frame-Options;
  add_header Content-Security-Policy "frame-ancestors 'self' https://your-site.com" always;
}
nginx.confReplace your-site.com with the site that embeds this page.

x.com refused to connect.

Only the sites in its list may embed it. Other visitors see this.

Know before you embed.

Free, no sign-up, nothing stored. Paste a URL and get a verdict, a live preview, and the fix.