In older versions of Safari and Chrome you can filter http requests to only show xhr requests for example. This seems to have been removed in the Safari 6 developer tools.
Am I missing something, an undocumented hot key?
How to filter http requests by type in Safari 6 Developer Tools
safari
Related Solutions
Safari uses Webkit as it's rendering engine. If you're specifically looking for when it began to support HTML5/CSS3, it as a fully open-source repository where you can review changes commit by commit. As such, you can see the full comprehensive, intricately detailed history here: http://trac.webkit.org/timeline
Firefox
Firefoxes is a shell scripts that will install all major versions of Firefox on OS X, and set up separate profiles so you can use them simultaneously. Currently it installs:
- Firefox 2.0.0.20
- Firefox 3.0.19
- Firefox 3.5.9
- Firefox 3.6.28
- Firefox 4.0.1
- Firefox 5.0.1
- Firefox 6.0.1
- Firefox 7.0.1
- Firefox 8.0.1
- Firefox 9.0.1
- Firefox 10.0.2
- Firefox 11.0
- Firefox Beta
- Firefox Aurora
- Firefox Nightly
- Firefox UX Nightly
You can set it up so it only installs the specific versions you want.
Optionally, the script can install Firebug for each version of Firefox too.
It will also set icons that contain the version number:
Safari
For Safari, check out Multi-Safari.
Chrome/Chromium
For Chrome/Chromium, install any version you want, change the app name from Chromium.app to e.g. Chromium 19.app for clarity, then disable auto-updates for that version.
Opera
Download old Opera versions here: ftp://ftp.opera.com/pub/opera/mac/
IE
Get VirtualBox and then run this ievms script. It will automatically download legal Windows images for testing purposes and set up virtual machines for every IE version you need.
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Best Answer
In the Instruments panel (the icon of the stopwatch), click Network Requests on the left. You should then see the timeline on the left, and a list of requests underneath. Click the Type column heading to sort the requests by type and then all the XHR requests will be grouped together.
Alternatively, in Safari's Develop menu, you can select "Use WebKit Web Inspector" to switch back to the old inspector.