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

Dynatrace

Over the years, I have watched and written about online retail and e-commerce IT performance. What I have seen is a maturing of the online retail channels when it comes to delivering customer experiences. This year we saw few, if any, major issues with online retailers. This is where many retailers have matured over the years.

Retail 222
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Data Mining Problems in Retail

Highly Scalable

Retail is one of the most important business domains for data science and data mining applications because of its prolific data and numerous optimization problems such as optimal prices, discounts, recommendations, and stock levels that can be solved using data analysis methods. However, many of these models are highly parametric (i.e.

Retail 152
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How to use Server Timing to get backend transparency from your CDN

Speed Curve

Looking at the industry benchmarks for US retailers , four well-known sites have backend times that are approaching – or well beyond – that threshold. Pagespeed Benchmarks - US Retail - LCP When you examine a waterfall, it's pretty obvious that TTFB is the long pole in the tent, pushing out render times for the page.

Servers 58
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Ten years of page bloat: What have we learned?

Speed Curve

And if that already wasn’t enough, the number of images on a page has been linked to lower conversion rates on retail sites. Having said that, looking at data over the past ten years, it's safe to make the observation that pages are definitely trending bigger. These numbers should not be taken as a benchmark for your own site.

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

You can dig deeper into the mechanics of how it's calculated, but the human-friendly definition is that CLS helps you understand how likely a page is to deliver a janky, unpleasant experience to viewers. Here are the current US media benchmarks on a fast desktop connection , ranked by CLS score. It's definitely worth a read.).

Retail 82
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An Opinionated Guide to Performance Budgets

Speed Curve

Throughout this post I've used examples from our public Industry Benchmarks dashboard , which I'd encourage you to check out so that you can explore these metrics on your own. In an ideal world, pages served to mobile devices should be under 1 MB – and definitely not more than 2 MB – but I often see pages in excess of 5 MB.

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A Complete Guide to Performance Budgets

Speed Curve

In an ideal world, pages served to mobile devices should be under 1 MB – and definitely not more than 2 MB – but I often see pages in excess of 5 MB. Media sites are particularly prone to this issue. Above is a content breakdown for the home page of a mainstream news site.