Smashing Magazine

JANUARY 11, 2021

DOM complete, time to first byte, first input delay, client CPU and memory usage. Is it expensive JavaScript, slow web font delivery, heavy images, or sluggish rendering? Testing And Monitoring Auditing workflow, proxy browsers, 404 page, GDPR cookie consent prompts, performance diagnostics CSS, accessibility. Quick Wins.

Performance 145

Performance Cache Media Metrics 145

Speed Curve

JULY 3, 2023

Having said that, I recently did some digging into a page where the total HTML size jumped dramatically because of a bunch of inline JavaScript, which led to rendering delays, so keeping an eye on HTML size is still a good idea. It’s not enough to focus solely on blocking JavaScript. MB of a roughly 8.2 More on that below.)

Mobile 52

Mobile Google Metrics Retail 52

Speed Curve

DECEMBER 19, 2018

This blog post has a simple conclusion: Load script asynchronously! It wasn't just IE7 that did this - all browsers behaved this way back then. To achieve this, browsers created a lightweight parser called the preloader. The browser CPU timeline is shown below the waterfall. Enter the Preloader.

Internet 53

Internet Internet Website Traffic 53

Alex Russell

APRIL 29, 2021

Apple forces developers of competing browsers to use their engine for all browsers on iOS , restricting their ability to deliver a better version of the web platform. Misdirections often derail the debate around browsers, the role of the web, and App Store policies on iOS. No browser is always fastest in every area today.

Media 145

Media Games Education Engineering 145

Smashing Magazine

JUNE 2, 2021

There you will have a lot of extra JavaScript and back-end logic to calculate the prices, plus several service calls to get the appropriate shipping provider and price estimates based on the country being shipped to. They are basically everywhere and will dominate your design. The checkout is its own beast. Large preview ).

Performance 115

Performance Cache Website Mobile 115