The Daily Egg
https://www.crazyegg.com/blog/category/analytics/
Google Analytics
https://analytics.googleblog.com/
Optimize Smart
https://www.optimizesmart.com/blog/
Hubspot
https://blog.hubspot.com/
KISSmetrics
https://blog.kissmetrics.com/
Online Behavior
http://online-behavior.com/
Search Engine Watch
https://searchenginewatch.com/category/analytics/
Web Analytics World
https://www.webanalyticsworld.net/
Adobe Analytics
https://blogs.adobe.com/digitalmarketing/analytics/