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Yes, and is also primitive. Firefox is my default browser everywhere, always has been… except on my iPhone. Is slow, it seems it prefers to open old css or Java scripting rather than html5 when a page has legacy code… did I mention slow?

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firefox is slow on ios. try orion

It’s because all browsers on iOS are required to use safari as a base. Using all the outdated options in there.

Is not outdated in iOS… they do all the required standards. Safari is the smoothest of them all as long as you keep ios updated. Everywhere else such mac, pc.. firefox is the best.

So all web browsers on iOS are basically a themed safari, and safari is historically late to the game on modern web standards. It’s why many browsers work on macOS for tasks that don’t work on safari or they outperform. Specifically JavaScript is very far behind

JS is making a comeback but is slow and uses lots of memory. JS is no-bueno for mobile phones so is limited. To understand the needs, firefox uses it Gecko engine, Chrome and Edge (new 2022) uses Chromium, safari used WebKit… all of them are open source. But which one fill your needs? To me, gecko is the best for pc. I find chrome very limited compared to Firefox. And edge… im glad the Microsoft framework was abandoned in favor of chromium, that makes edge more in-par for standards. WebKit is great, and has all the features as well, but not compared to gecko. In the mobile world, we need to understand that a mobile phone runs on battery and has no fan, all browsers are lite or Watered down. WebKit for apple and chrome for android will not run JS or full python for example… is just common sense.