<?xml version="1.0" encoding="utf-8"?>
<feed xml:lang="en-us" xmlns="http://www.w3.org/2005/Atom"><title>Simon Willison's Weblog: extension</title><link href="http://simonwillison.net/" rel="alternate"/><link href="http://simonwillison.net/tags/extension.atom" rel="self"/><id>http://simonwillison.net/</id><updated>2007-07-25T04:48:12+00:00</updated><author><name>Simon Willison</name></author><entry><title>YSlow</title><link href="https://simonwillison.net/2007/Jul/25/yslow/#atom-tag" rel="alternate"/><published>2007-07-25T04:48:12+00:00</published><updated>2007-07-25T04:48:12+00:00</updated><id>https://simonwillison.net/2007/Jul/25/yslow/#atom-tag</id><summary type="html">
    
&lt;p&gt;&lt;strong&gt;&lt;a href="http://developer.yahoo.com/yslow/"&gt;YSlow&lt;/a&gt;&lt;/strong&gt;&lt;/p&gt;
New extension for Firebug (yes, an extension on top of another extension) from the Yahoo! performance team which provides improved performance measurement tools and optimisation advice.


    &lt;p&gt;Tags: &lt;a href="https://simonwillison.net/tags/extension"&gt;extension&lt;/a&gt;, &lt;a href="https://simonwillison.net/tags/firebug"&gt;firebug&lt;/a&gt;, &lt;a href="https://simonwillison.net/tags/firefox"&gt;firefox&lt;/a&gt;, &lt;a href="https://simonwillison.net/tags/http"&gt;http&lt;/a&gt;, &lt;a href="https://simonwillison.net/tags/optimisation"&gt;optimisation&lt;/a&gt;, &lt;a href="https://simonwillison.net/tags/performance"&gt;performance&lt;/a&gt;, &lt;a href="https://simonwillison.net/tags/yahoo"&gt;yahoo&lt;/a&gt;, &lt;a href="https://simonwillison.net/tags/yslow"&gt;yslow&lt;/a&gt;&lt;/p&gt;



</summary><category term="extension"/><category term="firebug"/><category term="firefox"/><category term="http"/><category term="optimisation"/><category term="performance"/><category term="yahoo"/><category term="yslow"/></entry><entry><title>Introducing Operator</title><link href="https://simonwillison.net/2006/Dec/18/operator/#atom-tag" rel="alternate"/><published>2006-12-18T16:36:37+00:00</published><updated>2006-12-18T16:36:37+00:00</updated><id>https://simonwillison.net/2006/Dec/18/operator/#atom-tag</id><summary type="html">
    
&lt;p&gt;&lt;strong&gt;&lt;a href="http://labs.mozilla.com/2006/12/introducing-operator/"&gt;Introducing Operator&lt;/a&gt;&lt;/strong&gt;&lt;/p&gt;
New microformat detecting Firefox extension, developed at IBM and released by Mozilla Labs. Examples are from Yahoo! Local, Upcoming and Flickr.


    &lt;p&gt;Tags: &lt;a href="https://simonwillison.net/tags/extension"&gt;extension&lt;/a&gt;, &lt;a href="https://simonwillison.net/tags/firefox"&gt;firefox&lt;/a&gt;, &lt;a href="https://simonwillison.net/tags/flickr"&gt;flickr&lt;/a&gt;, &lt;a href="https://simonwillison.net/tags/ibm"&gt;ibm&lt;/a&gt;, &lt;a href="https://simonwillison.net/tags/microformats"&gt;microformats&lt;/a&gt;, &lt;a href="https://simonwillison.net/tags/mozilla"&gt;mozilla&lt;/a&gt;, &lt;a href="https://simonwillison.net/tags/mozillalabs"&gt;mozillalabs&lt;/a&gt;, &lt;a href="https://simonwillison.net/tags/upcoming"&gt;upcoming&lt;/a&gt;, &lt;a href="https://simonwillison.net/tags/yahoo"&gt;yahoo&lt;/a&gt;&lt;/p&gt;



</summary><category term="extension"/><category term="firefox"/><category term="flickr"/><category term="ibm"/><category term="microformats"/><category term="mozilla"/><category term="mozillalabs"/><category term="upcoming"/><category term="yahoo"/></entry></feed>