Wednesday, September 27th 2017

Mozilla Looks to Supercharge the Browsing Experience With Firefox Quantum

Mozilla is announcing that the latest version of its Firefox browser, Firefox 57, is just too good for just another numbered release. The improvements under the hood are so great, they say, and the performance improvements over previous Firefox releases are so grand, that only one name would have been enough to convey this message. That's why the latest Firefox release has been christened "Firefox Quantum".

Mozilla are saying their new Firefox Quantum browser delivers 2x the score in Speedometer as their previous Firefox 56. The new, refined browser didn't appear overnight, though; it's seen numerous improvements under the hood through the application of the Goldilocks principle to browser design, straddling an approach between increased performance and acceptable memory usage. Multi-process and optimized memory footprint are part of the secret sauce, but a new, super-charged CSS engine written in Rust goes a long way. Prioritization of the open tab also helps this increased speed, while (Mozilla says) reducing memory utilization by 30% when compared to Chrome.
During the last few moths, the Mozilla team has cleared over 468 performance bottlenecks that where floating under the radar, mining both Firefox's performance and fluidity, in what they say ranged between "small papercuts and big bottlenecks". There's a new, minimalist coat of paint over the Firefox interface, courtesy of their Photon project, which aimed t give Firefox a cleaner, less intrusive look. It also introduces square tabs, smooth animations, and a Library, which provides quick access to your saved stuff: bookmarks, Pocket, history, downloads, tabs, and screenshots.


Mozilla has uploaded a video comparing the two most popular browsers - their own, brand new Firefox Quantum and Chrome in a face-off. Of course, there's likely some preferred web-pages over there.


The new Firefox Quantum will be available for download on November 14th. However, if you're up to being a pioneer, you can download a beta of it today, straight from Mozilla. Naturally, it being a Beta means there are some rough edges - particularly with extension support. Don't take my word for it, but so far I'm impressed by what Mozilla has done with the Firefox Quantum release. Even in beta, the improvements to site loading and responsiveness are obvious, and the new clean look is much more appealing for an uncluttered browsing experience. Just do be aware of the Extension support issue: half of mine are not working.
Sources: Mozilla Blogs, Mozilla Hacks CSS
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66 Comments on Mozilla Looks to Supercharge the Browsing Experience With Firefox Quantum

#26
Totally
CheapMeatRAM is meant to be used. Why wouldn't you want your RAM to get heavy load? Do you just want it to sit around doing nothing? Your OS already swaps things in and out if something else needs it.
Yes RAM is meant to be used but not by the web browser ALONE. Running more than one application at once is still kind of a thing.
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#27
prtskg
Prima.VeraRespect and kudos for those guys who are releasing this browser for free.
I wonder how are they making revenue out of it?
deu"If something is free someone is getting information" :) (no joke.) Userdata created is their revenue (as is googles more or less.) Targeted ads are based of off this information. To be honest I dont know firefox's terms of use but you can bet your arm that you in some way are generating revenue for them data, clicks or whatever :)
Firefox gets money from google for keeping it as default search engine. Perhaps Yahoo, bing, amazon, etc pay it money too as their option is present.
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#28
Totally
prtskgFirefox gets money from google for keeping it as default search engine. Perhaps Yahoo, bing, amazon, etc pay it money too as their option is present.
They don't see that money any more, Google cut them off a couple years ago (deal ended in 2014, I believe). They actually switched yahoo as default for a little bit that was right around the time I quit using the browser. Sounds like they switched back which is good.
Posted on Reply
#29
TheMailMan78
Big Member
Sounds like Firefox is almost up to Edge standards. If it's secure this time I might give it a try.
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#30
R-T-B
TheMailMan78Sounds like Firefox is almost up to Edge standards. If it's secure this time I might give it a try.
Just because an open source browser has more reported issues than a closed source one like edge does not mean it is less secure. Actually, it probably means it is more secure as issues are actually getting reported and fixed. Frankly, I think edge and IE are probably the least secure browser models running around.
TotallyThey don't see that money any more, Google cut them off a couple years ago (deal ended in 2014, I believe). They actually switched yahoo as default for a little bit that was right around the time I quit using the browser. Sounds like they switched back which is good.
It's still yahoo as of mid 2017 (last time I checked) lol.
Posted on Reply
#31
CheapMeat
TotallyYes RAM is meant to be used but not by the web browser ALONE. Running more than one application at once is still kind of a thing.
I don't see your point at all. Are you assuming one app takes complete ownership forever of said RAM or something? Are you using a modern OS?
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#32
R-T-B
CheapMeatI don't see your point at all. Are you assuming one app takes complete ownership forever of said RAM or something? Are you using a modern OS?
Claimed memory is claimed. It doesn't get paged out unless it's not in recent use and memory constraints are high. "Modern OS" has nothing to do with this.

You are probably thinking of how Windows 10/8/7 adaptively uses ram as disk cache. That's different. A process claiming ram cannot release it willy nilly if it's being claimed. Paging it out is best done by releasing it, not depending on the OS to dump it to a page file (intended as a last resort).

I mean yeah, you can close the application. But that's not multitasking at all.
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#35
PLAfiller
Firefox has always been my number one. I have donated a few bucks from time to time. It's just fits my stile of work/play. Chrome on the other hand never really "clicked" with me.
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#36
plåtburken
CheapMeatI don't see your point at all. Are you assuming one app takes complete ownership forever of said RAM or something? Are you using a modern OS?
I think you're totally missing the whole point here and I am certain you have no idea what you're talking about.
Try running a few applications that demand a lot of RAM and see if the experience is good.
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#37
efikkan
CheapMeatRAM is meant to be used. Why wouldn't you want your RAM to get heavy load? Do you just want it to sit around doing nothing? Your OS already swaps things in and out if something else needs it.
There is nothing wrong with using RAM, the problem is memory leaks. Both Firefox and Chrome leaks memory heavily, and it has gotten worse over the years. And it's inexcusable; crappy code quality.
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#38
xorbe
I was having a HUGE issue with FF memory leak chewing 2+ GB and making FF crawl in less than an hour. Afaik it was mostly because of ABP add-on (possibly tickling a bug in FF). So I moved to FF nightly + uBlock, and everything has been great wrt memory usage since then. I tried browsing w/o any ad-blocker, but that was its own special hell, what a cesspool the 'net has become.
Posted on Reply
#39
bug
xorbeI was having a HUGE issue with FF memory leak chewing 2+ GB and making FF crawl in less than an hour. Afaik it was mostly because of ABP add-on (possibly tickling a bug in FF). So I moved to FF nightly + uBlock, and everything has been great wrt memory usage since then. I tried browsing w/o any ad-blocker, but that was its own special hell, what a cesspool the 'net has become.
Wth dude, I keep Firefox open 8 hours a day at work with ABP installed and it doesn't slow down at all. Check your facts better before pointing the finger.
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#40
TheMailMan78
Big Member
bugblog.trendmicro.com/pwn2own-2017-day-three-schedule-results/
Ive been out of the loop so I stand corrected. With that being said this is what was said about Firefox.....a year ago I would have been dead on.

"Firefox was back at this year’s Pwn2Own after missing last year, seemingly because the browser would’ve been too easy to hack. Things have changed a little since then, though; Firefox has gained some partial sandboxing capabilities. Two hacking attempts were made against Mozilla’s browser during the contest. Only one succeeded through an integer overflow in Firefox and an uninitialized buffer in the Windows kernel to elevate system privileges.

Firefox may become a bigger target at next year’s Pwn2Own if researchers think it will make for some easy wins. However, the browser should also gain additional security features by then, so it remains to be seen if things will get as bad as it did for Edge this year."
Posted on Reply
#41
xorbe
bugWth dude, I keep Firefox open 8 hours a day at work with ABP installed and it doesn't slow down at all. Check your facts better before pointing the finger.
Slow down there, cowboy -- it can vary wrt which sites are visited. And it was confirmed by FF devs (leaking ghosts). I'm sure it should be fixed by now. At the time, moving to nightly + uBlock was the quickest solution for me.

Has ABP even been ported to FF57? They have been telling everyone to move to uBlock.
Posted on Reply
#42
bug
xorbeSlow down there, cowboy -- it can vary wrt which sites are visited. And it was confirmed by FF devs (leaking ghosts). I'm sure it should be fixed by now. At the time, moving to nightly + uBlock was the quickest solution for me.

Has ABP even been ported to FF57? They have been telling everyone to move to uBlock.
Nope, ABP is still legacy (so it NoScript). Which is unfortunate, because uBlock's UI is anything but intuitive.

Also, you made it sound like there was no way to use Firefox for over an hour without having to restart. Which isn't true.
Posted on Reply
#43
denixius
Hey,

I installed the new version of Firefox but when I try to open a couple of webpages it's killing my internet. It's perfectly works when I opened first page, let's call it TechPowerUp Forums and I'm trying to open second page, let's call it TechPowerUp Homepage then my internet is going down. I don't understand why it is doing like this at my home. Strange. I installed this version at work and it's working fine, but at home it isn't.

Is there anything wrong with internet connection speed? It may not too much for you but I'm using 16 Mbps internet connection and I'm expecting that Firefox's new version would work very well, at least their promises were in this direction.
Posted on Reply
#44
xorbe
bugAlso, you made it sound like there was no way to use Firefox for over an hour without having to restart. Which isn't true.
How the hell would you know what kind of problem I was having with FF? I was restarting FF multiple times a day on Linux due to the memory leak.
Posted on Reply
#45
bug
xorbeHow the hell would you know what kind of problem I was having with FF? I was restarting FF multiple times a day on Linux due to the memory leak.
So why don't I have to do the same?
Posted on Reply
#46
efikkan
bugSo why don't I have to do the same?
It really depends on which websites you visit. I have to restart Firefox and Chrome multiple times each week due to memory leaks, and that's without any adblocking. Most of it seems to be related to the JavaScript engines. As you probably know, it's not unusual for the JavaScript code on a web page to have leaks, but this should have been cleared up when you refresh or close the tab, right? I see all the time that Firefox have gigabytes of allocations of "nothing", and it also gets really sluggish over time. Restarting the browser and restoring the session reduces the consumption and makes it fast again.
Posted on Reply
#47
bug
efikkanIt really depends on which websites you visit. I have to restart Firefox and Chrome multiple times each week due to memory leaks, and that's without any adblocking. Most of it seems to be related to the JavaScript engines. As you probably know, it's not unusual for the JavaScript code on a web page to have leaks, but this should have been cleared up when you refresh or close the tab, right? I see all the time that Firefox have gigabytes of allocations of "nothing", and it also gets really sluggish over time. Restarting the browser and restoring the session reduces the consumption and makes it fast again.
Yeah, but for some strange reason xorbe claims he has to continuously open the same pages that cause some leaks (and keep them open for the whole day). Which is somewhat wth to me.
Or maybe I'm just lucky I use NoScript?
Posted on Reply
#48
FierceRed
bugYeah, but for some strange reason xorbe claims he has to continuously open the same pages that cause some leaks (and keep them open for the whole day). Which is somewhat wth to me.
Or maybe I'm just lucky I use NoScript?
Don't forget bug, only those who use NoScript experience browser performance in the purest software way possible.

Nowadays whenever I use the Internet on a browser without NoScript, I have geocities-like reactions of disgust and always ask the device owner how they can possibly live that way.
Posted on Reply
#49
RealNeil
Started using it last night. Works pretty damn fast for me. 32GB RAM on this box, so I haven't run out yet.
Posted on Reply
#50
CheapMeat
plåtburkenI think you're totally missing the whole point here and I am certain you have no idea what you're talking about.
Try running a few applications that demand a lot of RAM and see if the experience is good.
Uh, I already do? I do content creation, music videos mainly. I also often have a ton of Chrome tabs open. I'm not experiencing issues. I think you're just another person who exaggerates with hyperbole or has a really low end system.


Extension wise, just running HTTPS Everywhere and uBlock Origin.
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