Next (https://www.next.co.uk/) is a popular British retailer of apparel, footwear, and home products. They have over 500 stores in the UK, and around 200 outside. A speed report from Lighthouse paints a rather grim picture and scores Next website 15.9 seconds on the speed index (SI), and 26% on Performance. There are many reasons why …
Why Is Next Website So Slow? Here Are The Reasons Read More »
American Eagle Outfitters(https://www.ae.com/) is a lifestyle brand based out of Pennsylvania, USA. It was founded in 1977 and is available both online and in retail stores. A speed report from Lighthouse paints a rather grim picture and scores the American Eagle website 15.8 seconds on speed index (SI), and 24 out of 100 on Performance. …
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Shein (https://www.shein.com/) is one of the biggest success stories coming out of China in the past decade. It’s the world’s largest fashion retailer as of 2022 and is valued at over $100 billion. According to a website speed report published by Lighthouse, the Shein website scores very poorly on performance. It ranks a mere 30 …
Sainsbury’s (https://www.sainsburys.co.uk/) is the second-largest supermarket chain in the United Kingdom. However, when it comes to their online retail section, the website is notoriously slow. A speed report from Lighthouse paints a rather grim picture and scores Sainsbury’s website 5.6 seconds on speed index (SI), and 35% on Performance. There are many reasons why Sainsbury’s …
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I recently launched BBC.com and it took more than 40 seconds for all the different scripts to complete loading. That’s an outrageously long time for a website to load. But BBC is not alone. Almost all the popular news media portals are guilty of loading slowly, and it primarily boils down to them loading a …
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The Federal Student Aid from the US Department of Education (https://studentaid.gov/) grants more than $112 billion every year to more than 10 million students each year. The sheer volume of website traffic alone is enough to test the limits of any server. However, the FAFSA website has some fundamental issues that cause the page to …
Definition Rel=”Preconnect” is an attribute attached to the <link> parameter that requests the browser to establish a connection with an external domain right at the beginning of a page loading process in order to speed up the setup. Earlier in this blog, we talked about Preload and Prefetch scanners. You may remember that a Preload …
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So your boss calls you into his room for an urgent meeting. He has just discovered the Lighthouse report and is startled to see your webpage performing really poorly on the speed metrics. He asks you why Time to Interactive is high. Why is the Speed Index close to 10 seconds? What do these numbers …
DOMContentLoaded Vs. Load Events – Differences & Optimization Tips Read More »
In my previous article, I wrote about large JS and CSS files and how they can affect page performance. I recommended the use of code-splitting to fix this issue. Now, as it turns out, the problems with JavaScript do not end there. A lot of times, you may have noticed that when you load a …
What Are Passive Listeners And How Do They Improve Scrolling Performance? Read More »
In my previous article, I talked about preload scanners, and how they can help load pages faster. Simply put, preload scanners tell your browser what the high-priority elements are so that these scripts load first before the browser renders the rest of the HTML page. For example, if you have a stylesheet to be loaded …
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