网站的站长们，都需要一定数量的网页测试工具或网站。这些工具，主要涉及到网站的下载时间、速度、地点、性能、优化测试等方面。如果你正在找这些站长工具，可以看一下这几个网站。补充：超级ping，卡卡网测速，是国内朋友比较常用的。
原文：Site owners often need to bookmark a number of site-testing web tools. These tests include site loading time testers, optimization testers, site comparison tools, and performance tools.
If you are looking for these tools, then look no further. Below you will find our list of free online website testing tools. Read about each of the seven entries and determine yourself which one is most useful for you and bookmark-worthy.
WebWait is a simple website that tells you the average waiting time each visitor has to face before you site fully loads up. In addition to the average waiting times, median times and the standard deviation values are also provided, making the site a good tool to rely on for speed statistics.
LinkVendor runs tests on your website and reveals the speed and size of the domain, estimated load time for various bandwidths, number and sizes of all found images, CSS and JavaScript files.
If you own multiple domains or would like to compare load times of different websites, you can use this web tool. “iWebTool’s Website Speed Test” lets you enter up to 10 domains in the same go and execute speed tests on them. For each site you see the size, load time, and average speed per kilobyte.
SelfSEO’s Website Speed Test is similar to the speed test tool of iWebTool. You can simultaneous test for up to 10 websites and get their size, load time, and average speed per kilobyte.
If you want to compare the speed times of two websites, then this is a must-bookmark site for you. You can enter two websites’ URLs in WhichLoadsFaster and the site will provide the individual loading time of each site. A percentage factor shows how fast one website is compared to the other.
Through “Webpage Test” you can set a number of parameters before you begin testing a URL. The test results are comprehensively broken down into speed tests, JavaScript file sizes, and image file sizes. The site also provides tools to compare the performance of multiple websites.
Web Page Analyzer lets you run site analyzing tests on a URL or on an (X)HTML code; the site can diagnose the code for you.