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2023 Black Friday and Cyber Monday retail and e-commerce IT performance observations

Dynatrace

What was once an onslaught of consumer traffic between Black Friday and Cyber Monday has turned into a weeklong event, with most retailers offering deals well ahead of Black Friday. This had the effect of dramatically speeding up its performance and reducing support costs. Understanding what the end user is seeing is critical.

Retail 220
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2022 in review: New dashboards, Core Web Vitals enhancements, third-party tracking & more!

Speed Curve

With your RUM Compare dashboard , you can easily generate side-by-side comparisons for any two cohorts of real user data. Triage a performance regression related to the latest change or deployment to your site by looking at a before/after comparison. Evaluate CDN performance by exploring the impact of time-of-day traffic patterns.

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Image Processing Insights

KeyCDN

How to measure performance The Website Speed Test is the ideal tool for measuring the performance of your website. WebP means faster loading times and less traffic. WebP size comparison In previous case studies, we've analyzed the different image sizes against WebP. PNG to WebP - Size Comparison WebP results in a 42.8%

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10 things I love about SpeedCurve (that I think you'll love, too)

Speed Curve

Fighting regressions should be the top priority of anyone who cares about the speed of their site. You can prioritize them by how many URLs they affect or how much of your real user traffic they affect. Fight regressions and stay fast It's easier to make a fast website than it is to keep a website fast.

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Sampling RUM: A closer look

Speed Curve

Traffic size. We see a large variety of sites at SpeedCurve, representing an assortment of countries, industry segments, traffic levels and more. Traffic fluctuates based on the hour of the day, day of the week, and due to seasonality. Note the consistency in the 95th percentile illustrated in these comparison charts.

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Top Frontend Frameworks

KeyCDN

Then again, a newer but less widely known framework may more effectively suit your needs, so it's worth it to get up to speed about today's most popular options. According to StatCounter , as of December 2020, mobile traffic has surpassed desktop traffic with 55.73% of traffic coming from mobile devices.

Google 135
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Towards a Unified Theory of Web Performance

Alex Russell

I propose four key ingredients: Definition: What is "performance" beyond page speed? Here, for instance, are the network costs of transitioning from the inbox view of Gmail to a message: Displaying the first message requires 82KiB of network traffic in the Ajax version of Gmail, half of which are images embedded in the message.