Sep 21, 2026
hellotax adds Microsoft Clarity and Bing tracking
What changed
- Added Microsoft tracking scripts (c.gif, _clck, _clsk, _cltk) to record user heatmaps and session behavior.
- Added Microsoft advertising cookies (MUID, ANONCHK, SM) to track users across different websites for targeted ads.
- Updated Google tracking to include AdSense efficiency experiments (_gcl_au).
- Added a new tracking cookie for their blog (ht_blog_lead) to identify potential customers reading their content.
- Reorganized how Typeform and CRM campaign data (utm_medium) is stored and tracked.
Why it matters
hellotax is significantly expanding its ability to track user behavior and ad performance. By adding Microsoft tools, they can now see heatmaps of where users click and better measure how their ads on Bing or LinkedIn turn into customers.