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The 5 most common HTTP errors according to Google
Sometimes when you try to visit web page, you’re met with an HTTP error message. It’s a message from the web server that something went wrong. In some cases it could be a mistake you made, but often...
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Awesome visualizations of internet and web tech
Text and numbers are all good and well, but sometimes it’s nice to just be presented with a nice visual. This post is full of videos of just that, interesting visualizations of data. Being the geeks we...
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Web pages are getting more bloated, and here’s why
Over the past year, web pages have on average become 25% bigger. We’re not talking about dimensions here, but download size. Based on the top 1,000 websites on the Internet, the average page size has...
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How the Apache HTTP web server stays secure (interview)
The Apache HTTP Server is the most common web server software in the world, by far. According to one recent survey, over 420 million web sites run Apache HTTP. With such amazing numbers it’s obvious...
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10 questions about web performance – Sander Temme at Apache
After our last interview with a representative of the Apache HTTP Server Project, we didn’t expect to hear so soon again from the leader in web server software. But we now have the great privilege to...
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10 questions about web performance – Yannick Kunegel at Citrix
In our continuing series of interviews about web performance, we’re now joined by Yannick Kunegel, Manager, Systems Engineering – Eastern Europe, Middle East, and Africa at Citrix Systems. Citrix may...
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How popular is Varnish? (Plus words from its creator)
A really effective way to speed up a website is to add some form of caching layer in front of it. If your web server doesn’t have to keep generating the same web pages over and over, odds are things...
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Fun and unusual HTTP response headers
HTTP response headers are usually pretty dry reading, but once in a blue moon you do stumble upon something that makes you smile. Here are some of our favorites. We’ve bolded the interesting parts,...
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Investigate an outage with Root Cause Analysis
Imagine this scenario: You have just received an alert that your site is down and you log in to your Pingdom account to figure out what’s up (or down, in most cases). There you can see that your site...
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Gzip compression for our HTTP(S) checks
We are very happy to announce that as of July 28 Monday August 4 we are implementing gzip compression in our HTTP and HTTPS checks. It is important to us that our users get the best possible service,...
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