Twitter Suffers Major Outage

When a big website goes down it’s not long until Twitter is full of tweets lamenting that it’s down. We have written about this many times in the past, but in the wake of Twitters own outage tonight it’s a little bit interesting to see where people turn to for information, since Twitter is the primary news source for […]

Pingdom Year in Review 2015

In 2015 the interest for web performance and availability soared to new heights. To celebrate our love for the internet we’d like to share some interesting numbers. Pingdom Year in Review 2015 We pulled some interesting stats from the vast number of data we have, and for instance, here is what a web page looked like in […]

Understanding Root Cause: DNS and Traceroute

You can think about your web site the way you think about your car. Every time something breaks, you can run to a professional – be it an engineer or a mechanic – and pay a lot of money for the fix (and isn’t it annoying when you can’t even tell if it is a […]

Pingdom’s Heroku Add-On is Now Generally Available

We are excited to announce that Pingdom’s Heroku Add-on is now generally available to all Heroku users in the Elements Add-on Marketplace.  The add-on has everything Heroku users need for website or web app monitoring, including: Uptime monitoring: Check that your website or web app is available every minute automatically – over 70 global polling locations in […]

Are your DNS servers configured correctly? Run these 6 simple tests to find out.

Website unavailability, connections issues, and slow response time can be attributed to incorrect DNS configuration. You can exactly pinpoint it’s a DNS configuration issue when you’re unable to access a website using it’s DNS name, for example, www.wsj.com On the other hand, if you know this site’s IP address, accessing it may be faster because […]

Troubleshoot Slow Website Performance with the Waterfall Chart

Instead of your website loading as expected, you only see a 404 Not Found Error. Or, you’re unable to view images and live content on the site is taking way too much time to render. Sound familiar? A website, just like any application we use every day is bound to go through some amount of […]

Monitoring Performance with Multiple Datacenters and Dynamic DNS

When it comes to load times, seconds count. As do milliseconds. You and your competitors both know it. A 100ms latency may sound fast—until you multiply it by the 80 items on your landing page, resulting in an eight-second load time. Considering that one in three users will abandon your site if it hasn’t loaded […]

How to Migrate/Decommission a Website Without Losing Conversions

You run a big thriving site and one day you’re told it needs to be migrated/decommissioned – oh and do not lose a single conversion. HA! Not going to happen! There’s going to just have to be acceptable losses. Right? Heh, now let me tell you how we did it. Any major site migration/decommission has […]