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Ten years of page bloat: What have we learned?

Speed Curve

How does page bloat affect other metrics, such as Google's Core Web Vitals? And if that already wasn’t enough, the number of images on a page has been linked to lower conversion rates on retail sites. Image size is another issue, as excessive image weight hurts your SEO ranking in Google Image Search. More on that later.).

Mobile 145
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Cumulative Layout Shift: What it measures, when it works (and doesn't), and how to use it

Speed Curve

Back in May, we shared that SpeedCurve supports Google's Core Web Vitals in both our synthetic monitoring and LUX real user monitoring tools. According to Google, pages should maintain a CLS score of less than 0.1 Drilling down into a detailed test page for The Washington Post , the CLS score is 0.8417 – much worse than the 0.1

Retail 81
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An Opinionated Guide to Performance Budgets

Speed Curve

You can then configure your monitoring tools to send you alerts – or even break the build, if you're testing in your staging environment – when your budgets are violated. The easiest way to do this is to look at rendering filmstrips in your synthetic test data. The tricky part comes when you try to put them into practice.

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A Complete Guide to Performance Budgets

Speed Curve

You can then configure your monitoring tools to send you alerts – or even break the build, if you're testing in your staging environment – when your budgets are violated. seconds or less, which is Google's recommendation for page experience and SEO. What should a performance budget look like? It's important to have your 2.5

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Nines are not enough: meaningful metrics for clouds

The Morning Paper

The authors of today’s paper should know a thing or two about that: Jeffrey Mogul and John Wilkes at Google 1 ! It also treats all outages as equal, whereas an outage on Black Friday for a retailer is much worse than an outage on a quiet day of the year. Is there another way of thinking about this? The last word.

Metrics 79
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A simple, client-side approach to measuring Speed Index

Dean Hume

One of the metrics produced when you run a test using webpagetest.org is called Speed Index and it changed the way I thought about web performance. In this article, I am going to show you how to get started using the Speed Index library and how you can start collecting this data using Google Analytics. speedindex-test.

Speed 40
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A simple, client-side approach to measuring Speed Index

Dean Hume

One of the metrics produced when you run a test using webpagetest.org is called Speed Index and it changed the way I thought about web performance. In this article, I am going to show you how to get started using the Speed Index library and how you can start collecting this data using Google Analytics. speedindex-test.

Speed 40