Not connected yet. Click Connect, drag the button to your bookmarks bar, then click it while you are on a fancaps.net page.
Use your own browser to get past Cloudflare
Desktop: drag Open in gallery to your bookmarks bar. Phone: tap , bookmark any page, and paste the copied text as that bookmark's address.
Open fancaps.net in your browser (pass the check if asked), on any page.
Run the bookmarklet there. On a phone, type its name in the address bar and pick it (Chrome) or tap it in Bookmarks (Safari). The gallery opens over the page on a phone and in a new tab on desktop.
It connects once for the whole site, so you can then open any fancaps URL from here. Don't navigate that fancaps tab away.