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Downtime of the week: Dell Order Tracking

Wednesday, 17 September 2014 by

Time for a new PC. Selecting one was easy (I like the Dell XPS series), ordering as well. But the order tracking resulted in a full blown crash on the Dell website. Needless to say, that looks embarrassing and should not happen on a major e-commerce website. Please see the screenshot below. Meanwhile the order

Synthetic vs Real User Monitoring

Tuesday, 08 April 2014 by

Let me start out by being honest. It seems every single post about this topic on the web is biased. Synthetic monitoring vendors highlight the advantages of synthetic monitoring, real user monitoring (RUM) vendors point out the advantages of RUM. And vendors that offer both, recommend to use both. At AlertFox we focus on having

One of our colleagues is planning a trip to Brazil. She discovered that the website of the Brazilian Consulate in Munich has been inaccessible the whole weekend: (it works again by now). While it was down, the German version ( showed only the header, and the links in there lead again to 403 error. In other words…,

Downtime of the week: Sears Online Store

Tuesday, 04 February 2014 by

It probably comes at no surprise that the team at AlertFox uses the web heavily even outside of work, from casual browsing, to shopping and travel planning. Often we encounter website issues where we think “This would not happen if they had a good web performance monitoring system in place”. In this series  we will report

Again, Google Apps access down

Wednesday, 17 April 2013 by

The AlertFox synthetic (active) web performance monitor detected this: This is the second Google Apps uptime downtime related post in less than four weeks.

Google Drive is experiencing a service disruption for a few hours already.  Accessing Google Docs is either slow or results in a 502 error: Google itself says on their Public Status Dashboard: We’re aware of a problem with Google Drive affecting a significant subset of users. The affected users are unable to access Google Drive. We

I was googling for some Google Chrome documentation today, and discovered a fascinating post by Ilya Grigorik: He notes that Google’s Chrome browser dropped the “http://” prefix in their location bar not just for aesthetic reasons: If you are using Chrome, and you are using Google web services today, chances are, you are not running

Mysterious Skype crash

Wednesday, 25 May 2011 by

Skype has crashed throughout the world and continues to crash on login. We noted the crash at AlertFox headquarters in Germany yesterday evening (Wednesday) the first time, and first attributed it to an IE9 update. But now Skype has begun crashing on machines that had no update at all (no Windows update, no IE update

The best SEO tasks involve creating absolute awesomeness that people will love enough to link to on a huge scale. That is what we are working on 99.9% of our time. Of course, the little details matter, too. They matter a lot, and if the links to our website’s awesomeness are not handled correctly, we

  Microsoft has teamed up with Psychster, a research firm that apparently specializes in “the psychology of social media”, to study how companies should use Twitter to address a site outage, unscheduled downtime or interrupted service. The results showed that half of the (120) respondents in the sample would consult a Twitter feed to get information about an outage,