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It is well known that waiting for a Web page to load is a very impatient thing for netizens. So, if your site can be quickly presented to users, in terms of usability, this is a critical success point. This article is designed to help build faster websites, get rid of the site's performance bottlenecks, and recommend the following performance testing tools for webmasters to assist web development, and more importantly, they are free. 1. Page Speed

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Here is a list of commonly used free online test tools that you can use to test your site and make changes to your site based on the results. 1. WDG HTML ValidatorA good tool to find out where the syntax of the site is wrong, and labeled, you can also choose to the site on a single page of each page analysis. （ Highly

Are you sure your website is fully compatible with all major browsers? Do you know how many seconds it will take to open your website? Can you confidently say that your website cannot be opened at all? ...... Although it does not seem important, it also affects the access volume of your website to a certain extent. I have listed 31 of my favorite free online testing tools. You can use these tools to

Build an online SAP learning Practice test system that can be used on the Internet to use SAPIn order to facilitate the use of internal and external brothers SAP, especially some brothers in the implementation of customers over there, an urgent need for a test environment, we solemnly launched an