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YSlow analyzes web pages and suggests ways to improve their performance based on a set of rules for high performance web pages.

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This 404 links should return quickly with an error. Instead, the request fails silently + hangs forever. phantomjs yslow.js --info basic --format plain https://davidfavor.com/flarg.txt This occurs on all requests, for...

for phantomjs 2.0.0dev phantomjs yslow.js --help output is ``` TypeError: undefined is not an object (evaluating 'args.length') yslow.js:5 in global code ```

Could not install add-on to Chrome Browser due to 'Invalid manifest'.

The FontAwesome Pro CDN is not recognised as a CDN, it appears in the list of static components. The url is... https://pro.fontawesome.com/

Up and disappeared from my extensions list, can't get it to install from the links on the site, nor can I find it on the Chrome extensions site. What has...

It does pull in a bunch of packages, but doesn't result in any `yslow` executable: ```bash 10:54 john@john:~$ npm install yslow npm WARN saveError ENOENT: no such file or directory,...

When i am trying to fetch data for any domain, `ynumreq` (Make fewer HTTP requests) data is fluctuating in every request specially Javascript data. Please let me know what is...

"Grade D on Do not scale images in HTML There are 8 images that are scaled down Web page designers sometimes set image dimensions by using the width and height...

I am running YSlow (3.1.2) in Windows/Chrome (33.0.1750.154 m) against a site that I am hosting on my local dev box. It hangs on the "Checking post onload components" step...

I use chrome Yslow extension . I test **https://www.travelenter.com/** website but **Getting component information:** progress complete until **Checking post onload components** level only. I use chrome v.63 What is problem?