WebPagetest
GTmetrix
PageSpeed Insights
Google Lighthouse
Pingdom
Website Speed Test by Pingdom
DareBoost
DebugBear
RequireJS
rollup.js
JSHint
stealjs
JSPM
npm
Webpack
Ender
WebPagetest RequireJSWebPagetest is recommended for web developers, performance engineers, SEO specialists, and anyone interested in optimizing website speed and performance. It is especially useful for those who need detailed insights into page load processes and performance optimization opportunities.
RequireJS is recommended for projects that are already using it, especially if the project is large and refactoring to a different module system would be resource-intensive. It can also be suitable for legacy web applications that have complex dependency chains which have been built with AMD (Asynchronous Module Definition) patterns. However, newer projects are better served with modern bundlers and native ES6 module syntax.
Based on our record, WebPagetest should be more popular than RequireJS. It has been mentiond 51 times since March 2021. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.
Trust neither. The most optimal option I've found is webpagetest.org Its been quite handy lately. This tool does look interesting. Source: about 3 years ago
Webpagetest.org is another. Pagespeedinsights and lighthouse are great for identifying page load issues to fix, but actual page load times will always vary between the user and your web server. Universal analytics has some page load timings but that's going away soon and nothing afaik is in GA4. I've seen an example of building a page load timer in tag manager and dumping the results into an event. Source: over 3 years ago
So I am working on rebuilding our company's site with a new stack. I am running tests using webpagetest.org, and I am having trouble fully understanding the speed index results as well as the film strip view. The page renders quite fast everywhere I test it. Google Lighthouse shows it in the 90s + for performance score, however when I test the page on webpagetest, I get load times of 77 seconds (NOT MS) which is... Source: over 3 years ago
Webpagetest.org is great, and checking OP's site they have done an incredible job, I don't think I have ever made or seen an Ecom site this slick. Super clean waterfall view. Source: over 3 years ago
Thanks for the recommendation regarding webpagetest.org, another user made a similar recommendation so I will check it out. Source: over 3 years ago
That's the job of Closure Compiler. Closure is an optimizing JavaScript compiler that ClojureScript is using since its initial release, in 2011. At the time JavaScript didn't have standard module format, remember AMD, UMD, RequireJS and CommonJS? Closure folks at Google invented another one, where goog.provide declares a module and goog.require imports another module. - Source: dev.to / 8 months ago
The fact that everything was loaded synchronously, which was not really an issue at that time when writing for servers, it was not really feasible for front-ends. Therefore RequireJS was brought to live. If you ever wondered how it looks, there is an example repository still living. If you are more interested in the history, look up: AMD, UMD, RequireJS. - Source: dev.to / about 1 year ago
There is a library called requirejs (https://requirejs.org/) that accomplishes what I am referring to. However, this is essentially similar to the situation in PHP prior to version 5.3 - a solution implemented at the level of a separate library rather than at the language level. Source: about 3 years ago
Webpack is the most popular bundler and it followed on the heels of Require.js, Rollup, and similar solutions. But the learning curve for a tool like webpack is steep. Getting started with webpack isnโt easy due to its complex configurations. As a result, in recent years another solution has emerged. This tool is not necessarily a front-runner, but an easier-to-digest alternative on the front-end module bundler... - Source: dev.to / over 3 years ago
I have a number of JavaScript "classes" each implemented in its own JavaScript file. For development those files are loaded individually, and for production they are concatenated, but in both cases I have to manually define a loading order, making sure that B comes after A if B uses A. I am planning to use RequireJS as an implementation of CommonJS Modules/AsynchronousDefinition to solve this problem for me... Source: about 4 years ago
GTmetrix - GTmetrix is a free tool that analyzes your page's speed performance. Using PageSpeed and YSlow, GTmetrix generates scores for your pages and offers actionable recommendations on how to fix them.
rollup.js - Rollup is a module bundler for JavaScript which compiles small pieces of code into a larger piece such as application.
PageSpeed Insights - PageSpeed is addon for ...
JSHint - New JSHint website. Anton Kovalyov Oct 1st, 2013. For the last couple of weeks I've been working on a new homepage for JSHint and today I'm proud to announce the new jshint. com! JSHint Website.
Google Lighthouse - Lighthouse is an open-source, automated tool for improving the quality of web pages.
stealjs - Futuristic JavaScript dependency loader and builder. Speeds up application load times. Works with ES6, CommonJS, AMD, CSS, LESS and more. Simplifies modular workflows.