Search Results for "web page"

...Easy integration with other nodejs projects via CommonJS module (see API docs). Metrics can be emitted from the JavaScript code of the page phantomas is run against (thanks to helper functions available in window.__phantomas). Device profiles allow phantomas to emulate mobile or tablet (by setting a proper user agent and viewport). phantomas comes as a CommonJS module that you can use in your nodejs projects. Use grunt to automate daily dev tasks, including your's application web performance.

Nightwatch.js is an automated, easy to use End-to-End testing framework written in Node.js and using the W3C WebDriver API. It uses the WebDriver API to drive browsers, enabling commands and assertions on DOM elements. Nightwatch.js is used for end-to-end testing of web applications and websites, as well as for Node.js unit and integration testing. It offers a clean yet powerful syntax for quick and easy writing of tests, a built-in command-line test runner, continuous integration and...

LazyLoad is a fast, lightweight and flexible script that speeds up your web application by loading images only as they enter the viewport. LazyLoad supports responsive images. LazyLoad is a lightweight (2.4 kB) and flexible script that speeds up your web application by deferring the loading of your below-the-fold images, animated SVGs, videos and iframes to when they will enter the viewport. It’s written in plain “vanilla” JavaScript, it leverages the IntersectionObserver API, it supports responsive images, it optimizes your website for slower connections, and can enable native lazy loading. ...

Hiper is an open-source command-line tool designed for statistical analysis of web performance and page load behavior during performance testing. The tool repeatedly loads a specified webpage multiple times and gathers detailed timing metrics in order to produce more reliable performance measurements than single-run benchmarks. By averaging data across multiple page loads, Hiper helps developers understand whether performance optimizations actually improve real-world page loading behavior. ...

...Zombie.js is a lightweight framework for testing client-side JavaScript code in a simulated environment. No browser required. Zombie will work with other testing frameworks. Since Mocha supports promises. Just like your favorite Web browser, Zombie manages multiple open windows as tabs. New browsers start without any open tabs. As you visit the first page, Zombie will open a tab for it. All operations against the browser object operate on the currently active tab (window) and most of the time you only need to interact with that one tab. You can access it directly via browser.window. ...

memory-stats.js is a small JavaScript utility that displays page memory usage in a style similar to stats.js. It was inspired by mrdoob’s stats.js and originally came from work related to tquery before becoming a standalone repository. The tool helps developers monitor JavaScript memory behavior directly inside a web page during development or debugging. It works by creating a MemoryStats instance, adding its display element to the DOM, and updating it regularly with requestAnimationFrame. ...