Track deployments with Piwik's Annotation API
If you use analytics tools to monitor your website, a good metric for determining the effect of changes is the time of a deployment. Does the conversion rate really improve with the latest adjustments? Has the number of 404 errors decreased since we fixed that script?
Like other analytics products, Piwik allows you to annotate your data. Wouldn't it be great if all deployments were noted automatically? With the Annotation API it's actually quite simple.
In your deployment process, just add the following line to your script or post-receive hook and fill in the placeholders: