I was just thinking about this today. Using Google AJAX Libraries API allows you to leverage Google's CDN which is awesome. But if you are loading library...
It depends on your audience. If all your users are close to your server this might be true, however you should take into account when you change a single line...
I did some experiments with this (one file, served locally versus 2 files, one served from the Google CDN) and, like you said, found that it's basically a...
Thanks for the responses, this makes a lot of sense. I also think that cache will not make a big difference in this case (low chance of users having the exact...
This is just a reminder that the next WPOChat is coming up on June 27th at 3PM ET (note the new time), moderated by Aaron Peters. Check out all of the details...
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Adrian Yee
adrian@...
Jun 15, 2011 5:09 pm
Hi, We're pleased to announce two major features that we recently pushed live onto GTmetrix: * Test Server Regions * HAR Diff - visual diff for HAR files Test...
[Note: full post with links here: http://tech.bluesmoon.info/2011/06/navigationtiming-ipv6-instant-pages-and.html] There have been many additions to boomerang...
Hi, I am using YSlow 3.0.3 with Firefox 4.0.1 and Firebug 1.7.3. First of all, thank you for this add-on, the advices are wise and we greatly improved the...
I've begun the task of optimizing our website and was planning on using YSlow for the basic page weight and other metrics. However, I noticed that I am not...
Hi Francis, YSlow is now compatible with Firefox up to 6.* ( https://addons.mozilla.org/en-US/firefox/addon/yslow/) starting today. Regarding the "-" on CDN...
Hi Marcel, Compatibility is great :-) However, I checked the FAQ and I still encounter the same problem with CDNs: * YSlow 3.0.3 / Firefox 5.0 / Firebug 1.7.3 ...
Hi, I´ve found out that YSlow raises an error in the FF error console. YSlow expects the object FirebugContext, which seems to be removed in version 1.8: see...
I wonder if I'm missing something obvious but I can't seem to figure out how to find the actual errors that yslow finds. I have it installed and can run it...
Hi, Great tool I really love it, but there seems to be a bug with the Tools. I'm using FF 5.0 on Windows XP with Firebug 1.7.3 and Yslow 3.0.3 and if I click...
Hi Everyone, We have some great WPO meetups approaching in Boston. If you are the area you should check them out: July 27th - Chris Bowen from Microsoft on...
Good morning, I'm seeing a lot of 'failed to create temp dir' errors on the Smush.it service, though they are intermitted. Frequent enough to be causing some...
I wrote a blog post <http://www.indolering.com/load> about my frustrations with YSlow, but I will just quote my main point, "However, my most serious...
Hello there I am being marked down for using jQuery Templates These are in-line script tags which are used to template json data for display on a mobile device...
In the "limitations" table at http://developer.yahoo.com/yslow/limitations/ , there is a column for HAR. Is it possible to run yslow against a har file, and...
... The actual benefit you'll get depends on where your users are, their bandwidth, latency, browser, and other characteristics of their computing set up....
hi Nathan, Yes, running YSlow on command line against HAR file is going to be released Aug/Sept this year. YSlow team presented a sneak peak demo of this...
hi Alex, Thanks for reporting this bug. The fix is in QA cycle and it will go live early August. We will post announcement with release updates in the group. ...
hi, Thanks for reporting this bug - it's fixed and submitted to Firefox Add-on committee for review. Once it's approved, it will go live. Keep up-to-date with...
hi, For this particular case - "1 iframe component with empty link were found", try this: - view html source code - perform a search in the source code for...
Dear sir. I use the Mobile YSlow to test the mobile website performance. It's amazing!!! However, I found the Big bug about gZip compression. Before/After...
Thanks for reporting, I'll investigate the issue and file a bug for that, once fixed I'll let you know. Best, Marcel ... -- Marcel Duran [Non-text portions of...
I've just installed 5.01 and YSLow nolonger runs. When i click on the YSLow icon in the footer bar it just pops up a blank toolbar saying Run | close. When I...
