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Measurement Server Update: Firefox

Wednesday, 26 November 2014 by

Starting today, we will update our measurement servers’ software stack to feature Firefox 33.1.1 and iMacros for Firefox 8.8.7 (as available on This update is transparent and does not require users to take any further action.

As you may already know, we had trouble with our database’s harddrives on Nov. 14 (cf. our tweets). We were able to apply a hot fix then, but now we want to make sure that similar incidents will not occur in the future. The implementation of our solution will require another downtime of approx. 30

Some of our customers need or want to white-list our measurement servers’ IP addresses. So here’s three more of them: The complete and updated list can be found here.

New time format in alert emails

Tuesday, 16 September 2014 by

The time format in our alert emails was improved with the recent system update. In the past we had one format for all: 9/16/2014 06:39:06 AM Now the time format in the alert emails depends on your preferred user interface time format, which can be set  to AM/PM or the 24h “military time”. The AM/PM format

Starting early next week, we will update our measurement servers’ software stack: iMacros 10.0.2 Firefox 31 iMacros for Firefox 8.8.3 Adobe Flash Oracle Java No action is required from our customers. [Update 2014-09-04] Server update completed.

As announced via Twitter [1, 2], there was a partial outage wrt. our monitoring/alerting services during yesterday early morning (GMT). Here’s more information: What was affected during the outage? Classic sensors’ results were lost during the incident. Notifications were not triggered until after the incident was corrected. iMacros sensor’s results were not immediately stored during

Did you know? AlertFox allows you to easily export all measurement data in CSV format. This function was available for years, but we expanded its scope, and also made it easier to find: Look for the “Export Sensor’s data” link at the bottom of every report.  

Measurement Server Software Update

Thursday, 03 July 2014 by

We are about to update our measurement servers. Here’s the new line-up: iMacros 10.00.2738 iMacros “plugin” for Internet Explorer Firefox 29 iMacros for Firefox 8.8.1 Flash Java 7 Update 55 Silverlight 5.1.30214.0 There’s nothing to do on your side. However, if you think you are negatively affected, please contact support.   [Update] All

Database maintenance [Completed]

Wednesday, 18 June 2014 by

We are currently doing some database maintenance. No web performance transaction data will be lost even if historic data is temporarily not available in your account. Alerting is not affected! Update 6:32 pm EST: Maintenance completed – Thank you for your patience. PS: You can also review the status on our Public Status Dashboard – the

US/EU Round-Robin Retries

Tuesday, 06 May 2014 by

Many of our users appreciate that we have a shared US/EU zone for transaction sensors. Some, however, told us that while a random distribution across the US and EU measurement servers is fine for making sure that customers on both sides of the Atlantic can indeed use their web app or site, it did not