yslow tutorial

Figure: Your webpage is too bloated! What is the most important thing for a website?-- Content? SEO (Search Engine Optimization )? UE (User Experience )? None! Yes speed!It is meaningless for a website with rich content to be slow to be inaccessible.

Yslow This tool believe whether it is to engage in front-end siege division or site owners are aware that Yslow can be more famous than Google Pagespeed, the score data under the percentile always fascinated the Chinese people, it seems that

Document directory 1. View and edit HTML elements and CSS 2. How to view dynamically generated HTML code 3. view the function execution efficiency on the/test page 4. Use firebug to view XMLHttpRequest 5. View All CSS and JS on the page 6.

JavaScript and CSS have many good frameworks, but if you're a beginner, don't rush to use them. This article summed up 30 HTML code writing guidelines, as long as in the process of writing HTML code to remember them, flexible use, you will certainly

30 best practices and 30 best practices for beginners of HTML1. Keep tags closed In the past, we often saw code similar to the following ......) : Some text here. Some new text here. You get the idea. Note that the UL/OL label of the outer package

Recently, the DX version of the Hong Sing basically determined, at least in the short term will not change greatly, therefore, I have the whole station of the Jincheng bar optimization, the operation of their own record down, one is a record, to

1. Keep the label closedPreviously, you often see code like the following: How long ago was this? ）：some text here. some new text here. you get the idea.Notice that the Ul/ol label for the outer package has been omitted (who knows intentionally or

First, what is the Web front-end engineer?    Front-end engineer, also called Web front-end development engineer. He is a subdivision of the industry with the development of the Web. Web front-end development engineer, the main responsibility is the

You can right-click on the page and select the review element:Or find it in Chrome's tools:Or, you directly remember this shortcut: Ctrl+shift+i (or ctrl+shift+j directly to the console), or press F12 directly.The Open developer tool will look like

PhantomJS quick start tutorial (WebKit for JavaScript APIs on the server side) and phantomjswebkit PhantomJS is a WebKit-based server-side JavaScript API. It fully supports the web without the support of the browser. It is fast and native supports