Google Chrome 91 is 23% faster on Windows and other platforms

Chrome 91

Google Chrome, which is built on Chromium, is getting another
speed boost that Google hopes will help its browser run faster
at all times on platforms like Windows 10. The change is
available with Chrome 91 and it’s rolling out to Windows 10 and
macOS users in the coming days.

As you may be aware, JavaScript execution time is important for
the overall performance of any web browser. Google is trying to
make the JavaScript engine faster with a new Sparkplug compiler
and the change is available with Chrome 91.

After the update, Chrome will be up to 23% faster. This new
compiler has been designed to fill the gap between execution
and optimization of the JavaScript code for maximum
performance.

In addition to the new compiler, Google is also using “built-in
calls” to optimize processes where the browser use generated
code to reduce jumps when calling functions.

More performance improvements promised

Google has confirmed that it’s working on multiple changes to
improve the overall performance of Chrome.

For example,
Google plans to introduce support for “back-forward cache”
on Windows 10, macOS, Linux and other platforms with Chrome
92. As the name suggests, this experimental feature enables
instantaneous page loading when users navigate between open
tabs using “back” or “forward” buttons.

It works only when a page has been previously visited and the
session is in the cache of the browser.

In one of the documents, Google explained that back-forward
cache is expected to improve the user experience and overall
performance by keeping the previously visited pages alive after
the user navigates away from it using the browser back/forward
buttons.

“The pages in the cache are frozen and do not run any
JavaScript,” Google said.

Interested users can already test the back/forward cache by
enabling the experimental flags. For general rollout, a precise
release date has not yet been revealed, but Google is currently
planning to test the feature with a select group of users with
Chrome 92 or newer.

Instead of the Origin Trials release method, Google is planning
to follow a gradual rollout approach, which means some users
will get the feature sooner than others.

It’s also important to note that similar features have been
supported in Chrome for Android and Safari for many years.

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