Miliony ludzi dodają je do Google Chrome. Mają efekt uboczny

Millions of people add them to Google Chrome. They have a side effect

Extensions are one of the biggest advantages of web browsers. They allow you to expand functionality, but unfortunately they also have a price. They can significantly slow down searches. As it turns out, there is one exception.

Google Chrome under the microscope – browser extensions

The Debugbar team tested 5,000 of the most popular Chrome extensions. Tests have shown that extensions can significantly slow down web browsing. Researchers focused on analyzing how Chrome extensions impact performance in various ways, mainly CPU processing and website load times.

Key conclusions:

  • Even considering basic sites, Chrome extensions increase loading times by 500 ms or more.
  • 86% of tested extensions affect simple websites.
  • Complex pages required a processing time of 2000 ms.
  • The impact can be cumulative, meaning multiple extensions may slow down your browsing experience more.
  • Popular extensions with the longest processing times are: Honey Automatic Coupons, Klarna, Monica – Your AI Copilot, Popup Blocker, Dark Theme, Dark Reader, DDG Privacy Essentials.
  • One type of extension restricts site processing. These are content blockers.
  • Extensions can extend page loading time by up to 1000 ms.
  • Chrome extensions can also delay interactions after a website loads, but these are less common.

Content blockers improve user experience

Content blockers have a positive effect on the processing of websites by the processor. This is most noticeable on sites that are loaded with a lot of online advertising.

  • Some content blockers reduced the time from over 50 seconds to a few seconds.
  • Most blockers reduce memory usage.
  • Blockers reduced the page size from 40 MB to 5 MB.
  • The following worked best: uBlock Origin, ScriptSafe, Privacy Badger, Malwarebytes.
  • The popular ones: AdBlock Plus and AdBlock performed worse. The reason for the poor performance was the acceptance of some advertising programs that allow the display of certain advertisements.

Researchers also analyzed memory usage and the impact on browser performance. Conclusions:

  • 86.6% of Chrome extensions take up 10MB of memory
  • More than 2% is 50 MB of memory

See: Better enable this in Chrome, it will be much faster

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