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Introducing Page Speed Benchmarks – a new resource for the performance community

Speed Curve

What are some good sites I can use for benchmarking? Page Speed Benchmarks is an interactive dashboard that lets you explore and compare web performance data for leading websites across several industries – from retail to media. Identify sites you can use for your own competitive benchmarking.

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Measuring Network Performance in Mobile Safari

CSS Wizardry

Same page, same connection speed, same locale, same release year, different devices. What we really want to do, alongside capturing good benchmark- and more permanent data with WebPageTest, is interact with and inspect a site slightly more realtime. Network Link Conditioner. Next, open Chrome and its own Network DevTools panel.

Network 225
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Measure What You Impact, Not What You Influence

CSS Wizardry

As I see it, there are two main issues when it comes to measuring performance changes (note, not improvements , but changes) in the lab: Site-speed is nondeterministic 1. I can reload the exact same page under the exact same network conditions over and over, and I can guarantee I will not get the exact same, say, DOMContentLoaded each time.

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New Network Fallacies

Tim Kadlec

” The fallacy of networks, or new devices for that matter, fixing our performance woes is old and repetitive. To be fair, each new generation of network connectivity does bring some level of change and transformation to how we interact with the internet. In theory, the maximum downlink speed is 100 Mbps.

Network 61
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What is software automation? Optimize the software lifecycle with intelligent automation

Dynatrace

DevSecOps and ITOps teams can then perform tasks with accuracy at the speed a business requires. Investigate network systems and application security incidents quickly for near-real-time remediation. Additionally, software analytics enhances the digital customer experience by enabling faster service for high-quality offerings.

Software 196
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In Defence of DOM­Content­Loaded

CSS Wizardry

I never thought I’d write an article in defence of DOMContentLoaded , but here it is… For many, many years now, performance engineers have been making a concerted effort to move away from technical metrics such as Load , and toward more user-facing, UX metrics such as Speed Index or Largest Contentful Paint. log ( window. performance.

Metrics 326
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Container security: What it is, why it’s tricky, and how to do it right

Dynatrace

To function effectively, containers need to be able to communicate with each other and with network services. If containers are run with privileged flags, or if they receive details about host processes, they can easily become points of compromise for corporate networks. Network scanners. Why is container security tricky?