On Friday, 15th March at 19:59 CEST / 14:59 EST, our engineers identified an issue with the display of shared Heatmaps within Insights.

Why did this issue occur?

An update was made to Heatmaps that included changes which impacted display styles and click overlays when the shared report is viewed. As a result, click locations would not be shown and overlays would not appear correctly.

What effect did this issue have on my site?

The issue has no effect on sites with the Hotjar script installed.

What effect did this issue have on my data?

There is no impact on data collection.

What will we do to prevent this from happening in the future?

We will be holding a postmortem shortly to discuss this incident and will update this article with the results.