Simon Willison’s Weblog

WPO Stats (via) “Case studies and experiments demonstrating the impact of web performance optimization (WPO) on user experience and business metrics.“

# 1:36 am / web-performance

My essential django package list. Insightful list of Django packages—many of which I hadn’t seen before—by Serafeim Papastefanos, each with a handy explanation of what it’s useful for and why.

# 2:42 pm / django

Cypress (via) Promising looking new open source testing framework for full-blown web integration testing—a modern alternative to Selenium. I spent five minutes playing with the demo and was really impressed by it—especially their “time travel” feature which lets you hover over a passed test and see the state of the browser when each of those assertions was executed.

# 4:14 pm / selenium, testing, cypress