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How to use Server Timing to get backend transparency from your CDN

Speed Curve

Google recommends that TTFB be 800ms at the 75th percentile. Looking at the industry benchmarks for US retailers , four well-known sites have backend times that are approaching – or well beyond – that threshold. Definitely worth a read! For the purpose of this post, let's say that 500ms backend time is 'good enough'.

Servers 58
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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 recommended by Google. It's definitely worth a read.). at the 75th percentile for mobile and desktop devices.

Retail 82
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An Opinionated Guide to Performance Budgets

Speed Curve

Largest Contentful Paint (LCP) is one of Google's Core Web Vitals , so it's been getting a lot of attention lately. Cumulative Layout Shift (CLS) is another one of Google's Core Web vitals. The three metrics above – CLS, FID, and TBT – are all part of Google's Core Web Vitals. > Long Tasks (Synthetic and RUM).

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A Complete Guide to Performance Budgets

Speed Curve

seconds or less, which is Google's recommendation for page experience and SEO. > Largest Contentful Paint (Synthetic and RUM) Largest Contentful Paint (LCP) is one of Google's Core Web Vitals. > Cumulative Layout Shift (Synthetic and RUM) Cumulative Layout Shift (CLS) is another one of Google's Core Web Vitals.

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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

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. I personally use Google Analytics to keep a close eye on my websites and in this example, I am going to show you how you can start pushing the Speed Index results to Google Analytics.

Speed 40