Search Results for "javascript website builder"

Sitespeed.io is an open source tool that helps you monitor, analyze and optimize your website speed and performance, based on performance best practices advices from the coach and collecting browser metrics using the Navigation Timing API, User Timings and Visual Metrics (FirstVisualChange, SpeedIndex & LastVisualChange). Measuring performance shouldn’t be hard, you should be able to have full control of your metrics, own your own data and you should be able to do it without paying top...

Happo is a visual regression testing tool. It hooks into your CI environment to compare the visual appearance of UI components before and after a change. Screenshots are taken in different browsers and across different screen sizes to ensure consistent cross-browser and responsive styling of your application. The first thing you want to do is to set up a test suite for Happo. A test suite consists of a set of components and variants of those components. There are many ways to do this, and it...

...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. To display content images on your pages, always use the img tag. This would benefit the SEO and the accessibility of your website. To understand if your images are content or background, ask yourself: “would my website user like to see those images when printing out the page?”. ...

Official website on http://cerberus-testing.org/

Differencify is a library for visual regression testing via comparing your local changes with reference screenshots of your website. It is built on top of chrome headless using Puppeteer.

Sahi is an open source test automation tool for automating web applications. It is a tester friendly tool with recorders and object spy and simple scripting. Sahi Pro, the commercial version, is an Enterprise Grade Test Automation Tool that is simple to use and easy to learn. For over a decade now Sahi Pro has helped over 400 Enterprise clients solve everyday problems faced by their QA teams. Sahi Pro is a unique Test Automation tool that is tester-centric while being business-driven in...

VNC for use with the BrowserMob Selenium JavaScript Validator. This tool is made available for users of BrowserMob FREE Website Monitoring and Load Testing. The BrowserMob Local Validation Service can be downloaded from https://browsermob.com/tools.

A commercially supported, open-source distribution of the popular web application test automation tool Selenium Remote Control. Built by the original author of the Selenium, Sauce RC is easy to install and has the latest fixes and browser support.