Page speed is now a ranking factor for mobile search! 👏 Now's the time to audit your site with Lighthouse, PageSpeed Insights, and check your stats in Chrome UX Report 📊! #perfmatters x.com/googlewmc/stat…

It is ironic that Amazon.com crashed under load on their biggest shopping event of the year. Isn't AWS Auto-Scaling and Elasticity supposed to take care of this? #PrimeDay #Fail

Building the Google Photos Web UI: bit.ly/2NmP9xg — turns out, a "simple" photo grid ain't so simple and a performant grid is no small feat! An awesome under the hood look at the magic behind Google Photos layout.

Measure web performance with the RAIL model: bit.ly/rail-model - goals and guidelines for faster pages. Updated for 2018 ⚡️

Front-End Performance Checklist ⚡ - github.com/thedaviddias/F… - A prioritised list of of web performance techniques using HTML, CSS, JavaScript & more. Includes lots of links and descriptions for further reading ✅

Performance Techniques with new Web APIs ⚡️ - github.com/manucorporat/p… - Interesting slide deck with mentions on event debouncing, will-change, CSS Containment, layout thrashing & a few others

Deploying software in production without testing 🙅‍♂️

📣 "The Cost Of JavaScript In 2018" medium.com/@addyosmani/th…

This upcoming new feature in Google Chrome browser could speed up page loading for the entire Internet. goo.gl/FDCTBX #LazyLoading

JavaScript is still the most expensive resource on a Web page. Addy Osmani from Google shares strategies you can use to deliver JavaScript efficiently while still giving users a valuable experience. goo.gl/RJinp8

Learn how to reduce JavaScript payloads with Code Splitting: bit.ly/js-code-splitt… ~ new guide by malchata.htm and I 📦✂️⚡️

The Web Font Loading Checklist ✅ Start font downloads early ➡️ preload Prioritize readable text ➡️ font-display Make fonts smaller ➡️ WOFF2, subset bit.ly/2Nxyefb by Zach Leatherman 👍

Fixing bugs after go-live 😂

📢 I just published a new article where I do a deep dive into improving website performance with a technique I'm calling Idle Until Urgent. ⚡ If you're looking for some advanced performance techniques that you can use today, this article is for you! philipwalton.com/articles/idle-…

Twitter announces Iago, an open-source, distributed tool to load test microservices at scale. goo.gl/wGgu8C Also find out how Twitter uses Iago to prepare for traffic spikes, like The World Cup 2018.

Great ideas to overcome the challenges in achieving "Continuous Test Automation". goo.gl/qwBJRW

Thanks to everyone who listened to me ramble on at #webexpo. You can find the deck and references here: noti.st/tkadlec/FAqr8X

What a great role model: Switzerland has decided that the source code of online voting systems must be published and the systems need to be publicly tested. Bounty up to 50,000 Swiss francs! onlinevote-pit.ch/details/

Testing all the edge cases before deploying to production ;)

new post: I'm a strong proponent of extensive automated testing, but there is still an essential role for Exploratory Testing martinfowler.com/bliki/Explorat…