Because WordPress is already have these jQuery & jQuery UI libraries (https://jqueryui.com/). Source: 12 months ago

We still use jQuery + jQuery UI on our website because it is basically battle tested through 15+ years. https://jqueryui.com/ It is easy as hell. What's there to not like? I don't care to be called names or being old fashioned. I also don't care about "right" tooling for frontend. As far it works and it is robust and it is going to be around for many years, I am fine with it. - Source: Hacker News / over 1 year ago

Looking at screenshots of ogame, it looks like it's just HTML and CSS driven by JS - essentially just a normal website. You could pick any web development framework (e.g. React) for a game like this. Sniffing their web traffic I see references to jQuery and jQuery UI (https://jqueryui.com/) which are ubiquitous tools for interactive websites. Source: over 1 year ago

You clearly haven’t heard of JQueryUI. Try doing these things with scattered libraries and JS codepens found on the 10th page on Google search: https://jqueryui.com/ jQuery is awesome. - Source: Hacker News / about 2 years ago

If you use jQuery, you can use jqueryui. If you use react you can use reach-ui. Source: about 2 years ago

Highly recommend https://wpmudev.com/. Source: 11 months ago

WPMUDEV is a plugin developer and hosting provider, you're probably thinking of WPML. Source: over 1 year ago

Stop dreaming about tomorrow; start making a difference today. Join our team at WPMU DEV and be the hero you’ve always known yourself to be! Source: almost 2 years ago

A great resource for hosting multisites is WPMUDev since they support it on all their hosting tiers and comes with a wildcard SSL cert for HTTPS on all your sites. If you haven't set up a multisite before, I highly recommend going with WPMUDev since their support team will literally just do all the work of setting it up for you if needed. Source: over 2 years ago

I use Forminator by WPMU DEV. Its free plan allows us to add "upload file" block. But, yeah, it's still vulnerable in case someone upload malicious file via it. Forminator can be combined with Akismet & Captcha (to block spam bot), and WPMU DEV also has security plugin named Defender. And lots of good hosting includes ImunivyAV/360 into FTP. Source: over 2 years ago