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Are they comparing apple and apples though? That is in Safari it supports ad blockers natively vs Chrome which has been making it harder and less powerful more and more. So when comparing Chrome with their built in ad blocker vs what is easily possibly with Safari, I have to assume Safari is drastically faster on real world load times? That was the case last year when testing unless things have changed drastically since then?
 
Yes, some web developers use stuff that doesn't function well or even at all on some or all other browsers. I like to assume that it is incompetence on the part of those developers. But I fear that it is deliberate.

Sometimes, it is indeed deliberate -- but it's not always the developers who make the decisions. Story time!

Once upon a time, in a job many, many years ago in a cubicle far, far away...

The internet was young, and people were just starting to wrap their brains around what it could accomplish. I was directed by management to create a prototype of a web-based implementation of the computer based training modules that I and my fellow developers had been writing in an entirely different tool. The browsers available at that time were Netscape Navigator 3 (the predecessor to Firefox) and Internet Explorer 3 (shudder). I would have been more than happy to make this module work equally in both browsers -- in so much as that was possible -- but that was not management's plan. See, IE had one very specific feature that Navigator could not match, at the time: there was an ActiveX control that enabled the browser to go full screen. They directed me to use that control, and to label the resulting training module as IE only.

(They also directed me to deploy this monstrosity onto a cd-rom, and to use AutoRun to launch it directly into full screen mode.)

Developers aren't always the bad guys... sometimes, they just work for the bad guys.

Grudgingly.
 
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Blocking ads and trackers, including much of the javascript used to run that junk, also speeds up browser performance.
 
when comparing Chrome with their built in ad blocker vs [...] Safari
Perhaps you are thinking of Brave? Chrome doesn't come with an ad blocker and I'm fairly certain that Google doesn't want it to:
  1. Google's main business (DoubleClick / Ads) specifically wants to get ads in front of everyone
  2. Chrome has made changes (Manifest V3 for plugins) that make ad-block extensions less powerful
 
I use Dia and Safari. Chrome may be faster. But I don't think that I would notice any difference compared to the ones I use.
 
This is good news but if you use Apple passwords I have never had success with it working for third party browsers correctly. You have to manual activate it and copy and paste codes for PWA apps and most sites. Used to use brave but it was too much trouble
 
The problem with the web is not that browsers were too slow.

At least... not anymore.

There was a time when some JavaScript code I had developed was instantaneously rendered in Firefox, whereas IE failed abysmally at handling it with anything close to acceptable performance. In order to make my interface work acceptably in both browsers, I had to switch to a post back solution that offloaded the task to the webserver, and discard my previous front-end centric solution... making Firefox noticeably slower... but at least bringing IE into parity.

Today, I suspect most modern browsers would handle that front-end JS without difficulty.

(Edit: correcting memory failure... I'm getting old.)
 
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Doesn't matter it is still spyware and it degrades the rest of the system. I haven't installed chrome on any devices in a very long time. Probably a decade at this point.
 
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