Research shows that if your web pages take longer than 5 seconds to load, you lose 50% of your viewers and sales. As a UNIX admin often end users and web developers complain about website loading speed and timings. Usually, there is nothing wrong with my servers or server farm. Fancy java script and images / flash makes site pretty slow. These tools are useful to debug performance problems for sys admins, developers and end users. Here are six tools that can analyzes web pages and tells you why they are slow. Use the following tools to:
- Make your site faster.
- Debug site problem, especially client side and server side stuff.
- Better user experience.
- Improve the web.
[click to continue…] Sysadmin because even developers need heroes!!!
Firefox 3 release candidate 1 (RC1) is available for download from official project web site. Firefox 3 is based upon Gecko 1.9 engine, which has more than 14,000 updates including some major re-architecting to provide improved performance, stability, rendering correctness, and code simplification and sustainability. Firefox 3 has been built on top of this new platform resulting in a more secure, easier to use, more personal product with a lot more under the hood to offer website and Firefox add-on developers.
Quick Firefox 3 RC1 Installation
Type the following command at a shell prompt:
$ cd /tmp && wget 'http://download.mozilla.org/?product=firefox-3.0rc1&os=linux&lang=en-US'
$ tar -jxvf firefox-3.0rc1.tar.bz2
Backup existing settings:
$ mkdir ~/backup
$ cp -avr ~/.mozilla/ ~/backup/
Now install new firefox at /opt:
$ sudo tar -jxvf firefox-3.0rc1.tar.bz2 -C /opt/
$ /opt/firefox/firefox &
(Fig.01: Firefox 3 in action [click to enlarge image])
Download FireFox 3 RC1 for Windows / Linux / OS X
A word about addons
Following addons are not compatible with FF3:
- Firebug (beta version should work with FF3, see comments below)
- Google toolbar
- Stumble toolbar
Updated for accuracy!