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Technology news and Jobs arrow The Linux distillery arrow Firefox hero: Legends of FOSS
Firefox hero: Legends of FOSS E-mail
by David M Williams   
Thursday, 06 December 2007
The stats view works out the total file size of the web page, both for empty and primed cache situations. You can see immediately how large all your combined source files are and you can see which of these files are not conducive to being cached.

YSlow will show here how many total HTTP requests have to be made by a user’s browser to view your page as well as how many cookies are being set, and what their size and content are.

The components view lists each individual distinct item that appears in the page including detailed metadata like expiry date, type and size.

YSlow is easily installed, but requires Firebug be installed and loaded first. From then on, YSlow shows as another menu option within Firebug.

Additional tools built into YSlow include a syntax checker, views to separate out and combine all the JavaScript and CSS by themselves, and finally a single-paged printable view of all the performance rankings and recommendations.

If you make web sites, whether for fun or profit, you need YSlow. It’s as simple as that.

Adblock
Advertising is the necessary evil of the Internet. Most pragmatic people appreciate the need for advertising: it’s what makes things free or low-cost for the rest of us. Major newspapers don’t give their content away daily purely out of altruism, it’s because somebody else is subsidising the cost.

Yet, some ads really get up your nose. I’m particularly put off by the ones which dynamically open to take up a huge slab of the web page, obscuring the very items you’re reading until you manage to find the miniscule “close” button.

Nevertheless, whatever your view on Internet advertising, you can take some control via the third Firefox plug-in we’ll look at today. Adblock can pick up a large set of advertising types out of the box (so to speak), and has an extensible architecture so you can teach it new advertisement forms as you come across items which have not been blocked automatically.

The end result is a cleaner web viewing experience. Once again, let me advocate the beneficial nature of advertising but while advertisers keep using intrusive methods to get your attention – like the once-major scourge of the Internet, pop-up advertising – programs like Adblock will fill a need.

All three of these Firefox add-ons are free; all three can be downloaded freely and installed at will. And all three are tremendous adverts (if you’ll allow the word after dirtying it just above!) for Firefox. And whether you’re a web site designer or a professional web surfer like the bulk of us, you’ll find these plug-ins have a lot of use and value and will definitely enhance your Firefox experience.
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