You can throttle the network in your headless chrome via Selenium. This might be useful for debugging issues with flaky...
An extensive list of command line options when booting Chrome. This is useful for building a Capybara driver with custom...
After switching a project from Sprockets to Webpack, I started observing a bug that was hard to debug: Our...
6.0.0 2021-06-02 Compatible changes geordi commit will continue even if one of the given projects is inaccessible. It...
We recently noticed issues with Chrome 75+ when having the w3c option enabled within the Selenium webdriver. It looks like...
We prefer to run our end-to-end tests with headless Chrome. While it's a very stable solution overall...
By default parallel_tests will spawn as many test processes as you have CPUs. If you have issues with flaky...
A rough guide how to implement a REST API. The discussion here includes some interesting points as well: Timestamps: ISO8601...
In my experience, the most common sources of memory leaks are APIs like these: addEventListener. This is the most common...
Headless Chrome is a way to run the Chrome browser without a visible window. Configuring Capybara Configure the Capybara driver...
In the tab where you need it, open Chrome DevTools with F12, open settings with F1, scroll down to the...
This card is mainly an explanation how variable fonts work in CSS, not necessarily a recommendation to actually use them...
Scroll and touch event listeners tend to be computationally expensive as they are triggered very often. Every time the event...
If you're experiencing problems with your Google Chrome installation after an update, it might help downgrading Chrome to check...
Google Chrome disables Notifications for insecure origins (i.e. those using HTTP). Only http://localhost is considered secure.
Chrome has a built-in utility to check performance and accessibility (and more) of your web app: Lighthouse.
I experienced a lot of issues with google chrome that made it almost impossible to work with it. Here are...
CSP hat zum Ziel einen Browser-seitigen Mechanismus zu schaffen um einige Angriffe auf Webseiten zu verhindern, hauptsächlich XSS...
If you render markdown from user input, an attacker might be able to use this to inject javascript code into...
Speaker today is Henning Koch, Head of Development at makandra. This talk will be in German with English slides.
The linked GitHub repository is a bit like our "dev" cards deck, but groomed from a single person (Josh Branchaud...
Chrome allows you to throttle the Network and the CPU. Both settings are useful to measure the performance of you...
Embedding videos on a website is very easy, add a tag to your source code and it just works...
If you want to make your Rails application be capable of sending SMTP emails, check out the action mailer configuration...