Piwigo RANDOM demo, without JavaScript. See https://github.com/moy/piwigo-random for details.
You need to trust the server hosting the backend, as it can inject any HTML, including JavaScript code, in your page. Typically, the backend and your website can run on the same server.
You need to trust the server hosting the backend, as it can inject any HTML, including JavaScript code, in your page. Typically, the backend and your website can run on the same server.