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OPERA VS VIVALDI DRIVER
Vivaldi is a browser that used to Resize contents of every single Tab opened when you resized its window - resizing was slower the more Tabs you had in Tab bar :o, going fullscreen could take 10 seconds.įF is my daily driver (since Quantum in '17) but I've found it really just isn't holding up these days:
OPERA VS VIVALDI FULL
Stuttering UI is the staple of Vivaldi, codebase is full of functions running in linear/polynomial time to the number of Tabs open/Tab position on the list, in places where O(1) is trivial.
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List of all Tabs gets traversed multiple times, most of them rewritten couple of times, everything generating individual DOM changes.ġ0 Tabs open and you close the first one = ~30 DOM Reflows.ġ00 Tabs open and you close two in the middle = ~300 DOM Reflows.ġ00 Tabs open and you close first 10 = ~3000 DOM Reflows. What actually happens is a horror show normally reserved for second semester CS students trying OOP for the first time. removing SPAN representing Tab we want closed switching iframe visibility away from Tab being closed first - instant visual feedback for the user So how does Vivaldi handle Tab close? You would guess closing a Tab would entail Switching a Tab is a simple process of moving "active" class from one SPAN to another and changing style of one iframe to "visibility: hidden z-index: -1 " while another one gets "visibility: inherit z-index: initial ". Pages are in a list of DIVs containing iframes. Tldr: Tab bar is just a DIV full of SPANs, one SPAN per Tab. If you ever get curious how can UI be so slow, after all "its just js, js is fast", here is how they handle closing browser Tabs currently: I hope they will improve this at some point (and I'll try out this version, too) because outside of this Vivaldi looks pretty neat. A lot of it seems in the UI layer (and not the rendering layer), which is vastly different from Chromium. I can imagine it's not the highest priority for them. In comparison, Chromium or Firefox doesn't have this at all on the same computer.
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It's like using some remote connection with X or vnc (okay, maybe not quite that bad, but definitely reminiscent of that). It's really hard to describe this and I'm not the kind of person who quickly gets annoyed by this sort of thing, but for me personally it's too much and every time I tried it it was annoying enough to give up after a day or two. slow, and not quite snappy enough to be comfterable. I tried a few different versions over the years (including the beta with the mail client, but not yet this 4.0) and the UI always feels. > Vivaldi is exactly as slow or fast as any Chromium-based browser. Web techs are almost as flexible but they're really slow and bulky. Vivaldi tries to do the same on top of web techs and web techs just can't handle it. Unfortunately with HTML5 and the Chrome-ification of the web, it couldn't keep up :-( It was super compact, a marvel of engineering and UX design that managed to pack all those things in a package of about 5MB at the time, and you wouldn't even see or load the extra functionality like the email client if you didn't use it. And a TON of features and UI flexibility.
OPERA VS VIVALDI DOWNLOAD
It had a built in email client, feed reader, calendar (unfortunately with no Exchange or Gmail integration), a notes app, a powerful download manager and even a Bitorrent client. It had its own, super fast, rendering engine (I forget its name, Presto?).
OPERA VS VIVALDI FREE
It then finally became a free browser but by then it was too late. Vivaldi kind of tries to re-create the spirit of Opera, but I think it's going to be too hard to do it.įor those who didn't use it, Opera was first a paid browser (which limited its reach), then an ad-supported browser (which again limited its reach). Vivaldi is developed by a team created by the former Opera founder and CEO.