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When we introduced HAR files for performance measurements and analysis, we recommended using the online viewer at http://www.softwareishard.com/har/viewer/ for visualization. However, for some reason the online viewer did not display any graphs lately.  While the site’s owner fixed the issue impressingly quickly when we told him about it, there will be occasions where you may

Waterfall diagrams – as announced earlier – are just the first step. In case of a sensor failing, we plan to provide you with the full HTTP traffic protocol. This data will be available as zipped HAR (“HTTP Archive“) files that you can feed to a number of tools for visualization and analysis, e.g. Fiddler

Still more features to come! Current releases of iMacros are able to log the performance of the macros being run. And as AlertFox uses iMacros for automating real browser instances for your tests, we will offer these protocols in case a sensor goes astray. Using the downloadable XML files, you get full timing information about

Public Status Dashboard

Friday, 06 May 2011 by

Starting today all AlertFox  users can try out our new and improved public report pages, seen here below. These reports, also known as status pages, website health page or simply public reports, let you make some or all of your AlertFox monitoring results public, promoting transparency toward your users. Our status dashboard is all HTML,

AlertFox watching Narwhal

Thursday, 28 April 2011 by

Today, the latest release of Ubuntu (version 11.04, codename “Natty Narwhal”) has been released. And of course I used an AlertFox sensor to notify me once the new ISO images were there. Here’s how: – An HTTP sensor was set up to monitor the download page. – While Natty was not yet released, that page

Web Regression Testing with AlertFox

Friday, 04 March 2011 by

Many companies maintain a duplicate version of their website (more or less hidden) in order to test code updates. With AlertFox, a simple web regression setup would look like this: First, there is the test site running the latest code base. It must be web-accessible to allow the AlertFox sensors to check it, but can

PRO3 accounts support up to 10 iMacros sensors that may be run in 15-minute intervals. But sometimes you don’t want to cover more of your site’s features, but you want to have it watched more closely. That’s why we offer upgrades from 15-minute to 5-minute sensors.   Please find more details in the Wiki FAQ

AlertFox specializes in monitoring data that is accessible through a web browser (online shops, social network sites, news pages, etc.). This means that you can monitor any system variable once you make it available through HTTP/HTTPS.   Here’s how to set up a simple “Disk Space” sensor that sends notifications should the free disk space

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