why did vivaldi slow down my laptop



  • so basically avast said dat vivaldi is one of pograms which are slowing down my laptop :(((((( how can i make vivaldi not slow down my computer ?watdaf.PNG



  • @tsunneko Welcome to the Vivaldi Community! 🙂 👍

    This is just Avast being really, really stupid.

    Accumulated CPU time alone is not a valid measure of "slowing down" a computer.
    These programs are obviously running all the time, which makes sense for your audio and touchpad driver.

    You're just using Vivaldi a lot.

    I'd still get rid of "Windows Live" though, a lot of load for such a useless app that just sits in the background doing nothing.


  • Ambassador

    Just wondering why Avast does not show up in the list? 🤔


  • Ambassador

    @Pesala ,. because if it does, it would appear that it is one that slows down the system the most. I still think that with the current Defender in Windows 10, which is just as efficient as the other AVs, along with the Sandbox system Windows has, the use of a third-party AV is superfluous and these somehow have to justify their existence with these useless functions, which can also be verified in the Task manager, also much more detailed.


  • Ambassador

    @Catweazle Ironically, when I sort my Windows Task Manager by CPU usage, Windows Task Manager currently comes top, followed by Windows Explorer and Vivaldi on zero. 🏆

    Admittedly, I am not doing anything at the moment besides reading and replying to this thread in Vivaldi.

    Current Tasks.png


  • Ambassador

    @Pesala , I never get an excesive CPU usage from Vivaldi, although I don't usually have more than 30 open tabs.


  • Ambassador

    Using windows Task Manager or Sysinternals procexp64, I rarely get more than 6-7% CPU usage with multiple Windows and multiple Tabs per Window.

    Not a new laptop either: Intel(R) Core(TM) i5-6200U CPU @ 2.30GHz



  • @Catweazle said in why did vivaldi slow down my laptop:

    @Pesala , I never get an excesive CPU usage from Vivaldi, although I don't usually have more than 30 open tabs.

    CPU usage by Vivaldi isn't really related to the number of tabs open, it's what those tabs are doing. I can have hundreds of tabs open and virtually no CPU usage, or I can have one tab open and it'll max out the CPU. It's what the content of the page is that matters for CPU. With lots of open tabs you can see increased memory usage, but the system manages that well enough that it doesn't become an issue unless you're resource limited.


  • Ambassador

    @BoneTone , exactly, although there are not so many pages that have a higher use of resources than normal, except for some online games, certain experiments in Chrome Experiments (good for Html5 and WebGL tests) or some pages listed in the FWA (good for system stress tests), which certainly can push resources to the limit. But these are exceptions, worse are some extensions that can be quite hungry.



  • @Catweazle the worst offenders are those sites desperate to track you, when you block one request to the 3rd party tracking server they immediately send another. After just a few minutes they've racked up hundreds of thousands of net requests. These are the sites that max out my CPU and is the reason why I never touch anything grammarly does. It's actually the only example I know off the top of my head, but that kind of disrespect for the user demands boycotting. "Oh we can't track you? Well enjoy the hang we're putting on your system."

    And yeah, extensions require a certain level of trust in the author. Those with no profit motive who have also open sourced the code go a long way to earning that trust, such as uBlock Origin & uMatrix. Extensions with a profit motive rarely if ever get installed in my browsers.


  • Ambassador

    @BoneTone , all extensions i have (active only a few and others I have, disabled for specific uses) are all FOSS, except 2 (imgur uploader and Lunapic right click edi but they don't make trouble, are trusted sites.


  • Vivaldi Translator

    @BoneTone It's always interesting when you visit a site for a couple of minutes, check the counter for blocked ads/trackers and it's already in the thousands. Don't think I've been on a site that has ended up spamming requests to the point of actually using even a small amount of CPU, though.



  • @Komposten I'm not going to create an active hyperlink, but if you checkout the grammarly site with uMatrix in a default deny, allow exceptionally configuration, it slams the browser so hard with net requests that it makes Vivaldi nearly unresponsive. Literally a thousand plus requests per second. It took a minute or so to be able to find the tab and close it. To its credit, neither Vivaldi nor uMatrix flat out crashed, they kept on processing and denying grammarly from making the xhr net requests. But any site that is so poorly developed that when a blocker is used to access a page it'll slam a browser with as many requests as it can generate finds itself blacklisted with equal speed. Lesson learned.


  • Vivaldi Translator

    @BoneTone I'll take your word for this one. I don't use uMatrix and I'm not installing it just to test this.

    Anyway, this might just be a case of Hanlon's razor. That is, they might not have intended to break your browser ("You block our trackers? Then we'll freeze your system!") but rather just taken a bad design decision ("The request failed? Yeah, just send a new one.").



  • @Komposten oh yeah, I of course assume it's that, not intentionally vindictive, rather just terrible coding & testing. If it was caught in QA though, the design wasn't intentional, but it's use was. Regardless of how it came to be, a lack of focus & concern for the user is an important element, and the end result is the same -- grammarly gets removed & blocked from my system.



  • @Pathduck lol imma still trust avast and put vivaldi to sleep when im not using it



  • @tsunneko Of course manage your machine as you see best, but this is unlikely to have much effect. That is, unless you have tabs open with webpages that are highly active, constantly needing to do calculations & consuming your CPU cycles. If you don't do that, all that chart is showing you is how webpages are pretty resource heavy these days, what with everyone building webapps and all. Browsing the web is one of your main activities on your computer, and certainly one of the main activities you do that requires computation.
    This all that graph is telling you, and if the pages you visit aren't consuming a lot of CPU when you aren't actively using them, then closing Vivaldi when you're not using it won't change that graph.

    It really just depends on the content you're loading in the browser. And it's important to understand that this isn't "slowing your machine". Of course when something consumes CPU cycles they are unavailable for other processes, but presumably your intention is to give the browser those CPU cycles when you load the webpages that you use. It's not like Vivaldi has made your system less efficient, and now when you want to do other things it's going to take a lot longer to finish them. If you don't have videos playing in the background, or some web game running, or some terribly inefficient webpage loaded while you're doing other things, and just have normal webpages loaded, then you can literally have hundreds of tabs open and, as long as your system is fairly modern and not limited in memory, there will be no significant effect on whatever else you're doing.

    That is what @Pathduck was trying to convey. Now, if you're going to do something that's resource intensive, like some heavy video editing, then you may want to shut down everything else on the machine to dedicate all your resources to it. It really depends on your needs and the resources your machine has.

    When I'm editing video or processing large images, I will sometimes save my session and close most of my tabs. That's because I often have a few hundred tabs open though. I typically still have Vivaldi running with a few dozen tabs open when I'm post processing photos. I have plenty of RAM & a fairly modern processor (3 years old) with 8 multithreading cores. Vivaldi has only negatively impacted my system due to horribly coded webpages, and those sites quickly had their tabs closed and URLs put on my block list, so they'll never be loaded again. I can only remember one specific site that did this, but there may have been another 1 or 2; they would have had the same effect on Chrome. It is a webpage problem, not a browser issue.

    So, by all means, shut down apps that you aren't actively using if you prefer to manage your machine this way. I just wanted to help clarify what Pathduck was saying so that the meaning of that graph is understood.


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