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In Defence of DOM­Content­Loaded

CSS Wizardry

However, as an internal benchmark, there are compelling reasons why some of you may actually want to keep tracking these ‘outdated’ metrics… Measure the User Experience The problem with using diagnostic metrics like Load or DOMContentLoaded to measure site-speed is that it has no bearing on how a user might actually experience your site.

Metrics 326
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Measuring Network Performance in Mobile Safari

CSS Wizardry

Google has a pretty tight grip on the tech industry: it makes by far the most popular browser with the best DevTools, and the most popular search engine, which means that web developers spend most of their time in Chrome, most of their visitors are in Chrome, and a lot of their search traffic will be coming from Google.

Network 225
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What Adrian Did Next?—?Part 2?—?Sun Microsystems

Adrian Cockcroft

The early days at Sun Cambridge were special, I absorbed a lot about networking and the technical side of the role from my fellow systems engineer Martin Baines, and we were driving all over the region in cool company cars (I had a Citroen BX 16V) selling a really hot product.

Tuning 52
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World’s Top Web Performance Leaders To Watch

Rigor

Jake is a developer advocate at Google working with the Chrome team to develop and promote web standards and developer tools, as well as a contributor to the Chromium blog. Jake is a frequent speaker at many popular conferences and events, such as 100 Days of Google Dev , JAMstakConf , JSConf , SmashingConf , and dozens of others.

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Web Performance for Product Managers

Speed Curve

Recommendations can come out of audits from consultants or from automated tools like Lighthouse (or SpeedCurve, of course). Content Delivery Networks (CDN) like Akamai, Fastly, Cloudflare, Cloudfront can sometimes have a big impact on performance. Benchmark yourself. Another great tool to have in your bag is benchmarking.

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Stuff The Internet Says On Scalability For September 7th, 2018

High Scalability

million : new image/caption training set; 32,408,715 : queries sent to Pwned Passwords; 53% : Memory ICs Total 2018 Semi Capex; 11 : story Facebook datacenter prison in Singapore; $740,357 : ave cost of network downtime; Quotable Quotes: @BenedictEvans : Recorded music: $18 billion. However still far from Google ($28B) and Facebook ($13.2B).

Internet 137
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The State Of Mobile And Why Mobile Web Testing Matters

Smashing Magazine

The gotcha here is that, if your mobile experience isn’t optimized for various devices and network conditions, these customers will never appear in your analytics — just because your website or app will be barely usable on their devices, and so they are unlikely to return. A performance benchmark Lighthouse is well-known.

Mobile 133