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Real user monitoring vs. synthetic monitoring: Understanding best practices

Dynatrace

Data collected on page load events, for example, can include navigation start (when performance begins to be measured), request start (right before the user makes a request from the server), and speed index metrics (measure page load speed). RUM works best only when people actively visit the application, website, or services.

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Performance Testing - Tools, Steps, and Best Practices

KeyCDN

Web performance is a broad subject, and you’ll find no shortage of performance testing tips and tutorials all over the web. Before you begin tuning your website or application, you must first figure out which metrics matter most to your users and establish some achievable benchmarks.

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Core Web Vitals Tools To Boost Your Web Performance Scores

Smashing Magazine

Core Web Vitals Tools To Boost Your Web Performance Scores. Core Web Vitals Tools To Boost Your Web Performance Scores. The success of your website depends on the impression it leaves on its users. Essentially, a web vital is a quality standard for UX and web performance set by Google. Zara Cooper. Large preview ).

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Measuring Network Performance in Mobile Safari

CSS Wizardry

Same page, same connection speed, same locale, same release year, different devices. But still, this is an amazing starting point for anyone wanting to start profiling web performance on iOS. Testing in Safari’s DevTools. Here is how my actual iPhone on a throttled connection deals with my website. You Will Need….

Network 225
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Ten years of page bloat: What have we learned?

Speed Curve

These numbers should not be taken as a benchmark for your own site. You can see this by looking at the synthetic test result for Sears.com (again, available via our Industry Benchmarks ). I meet with so many people whose job it is to build and optimize websites. Not all pages are getting bigger. These are smart people.

Mobile 145
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Getting started with web performance? Here's what you need to focus on.

Speed Curve

Build a performance culture that embraces collaboration between design and dev. Keep reading to learn how you can apply these best practices to your own site and give your pages a speed boost. The critical rendering path is the set of steps browsers must take to convert HTML, CSS and JavaScript into living, breathing websites.

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Faster EC2 testing agents

Speed Curve

As web pages become more Javascript and resource heavy I've noticed more and more pages max out the CPU while performance testing. medium instances which have 3.75GB of RAM with faster CPU and network performance. Do note that SpeedCurve's strength is competitive benchmarking and detailed build analysis.

Testing 40