Checking how much RAM popular Web browsers use

[GeorgeS]

All current browsers are not based on old Opera design, that is nonsense. Today most browsers with exception of firefox come from KDE Konqueror which made KHTML engine, which then got forked into webkit than that got forked into Blink

For those of us that were actually ALIVE and IN the industry when 'web browsers' were invented and first marketed, many if not most of modern browsers FEATURES were copied or at least were inspired from Opera.

As an example as I recall, Opera was the FIRST to implement browser "TABS" rather than having separate windows for each web page. (along with many other features)

However due to management missteps as well as market forces Opera was never a major player.

[indy]

Features?

The first browser to invent Tabs was InternetWorks.  It was invented before Opera even existed.

Microsoft Internet Explorer 5 was the first with extensions.  Fancy that, Microsoft actually led the market on something.

[Varta]

All current browsers are based on the old Opera design, as is Chrome.

What?   That statement has zero qualifiers.  Based on what aspect of design?  Interface?  Rendering?  Opera's original rendering was Presto, then Webkit, then Blink/ Chromium.  All very different.

You might mean Mosaic, which pretty much all modern and former browsers share a base with.  Opera definitely did not originate Mosaic, as Opera itself came 4 years after Mosaic had been around.

When you opened the old Opera (now Vivaldi) you saw "Speed ��dial" windows, which other browsers did not have, and the old Opera (now Vivaldi) had it already in 2006 or even earlier. Tabs in the old Opera (now Vivaldi) were different from IE or Chrome, in the old Opera (now Vivaldi) it was much more convenient, and you could open 100 of them and the browser would not crash.
In 2013, Wikipedia and the press wrote that a Google-subsidized company had bought the old Opera (now Vivaldi). Now this information is no longer on Wikipedia