![The Chrome extension 'Unlimited Email Tracker' which can check whether mail sent free of charge was opened or clicked - GIGAZINE The Chrome extension 'Unlimited Email Tracker' which can check whether mail sent free of charge was opened or clicked - GIGAZINE](https://i.gzn.jp/img/2019/02/18/unlimited-email-tracker/00.png)
The Chrome extension 'Unlimited Email Tracker' which can check whether mail sent free of charge was opened or clicked - GIGAZINE
![The Chrome extension 'Unlimited Email Tracker' which can check whether mail sent free of charge was opened or clicked - GIGAZINE The Chrome extension 'Unlimited Email Tracker' which can check whether mail sent free of charge was opened or clicked - GIGAZINE](https://i.gzn.jp/img/2019/02/18/unlimited-email-tracker/1921.png)
The Chrome extension 'Unlimited Email Tracker' which can check whether mail sent free of charge was opened or clicked - GIGAZINE
![Snov.io - How to subscribe to regular summary reports on your email opens and clicks in Email Tracker Snov.io - How to subscribe to regular summary reports on your email opens and clicks in Email Tracker](https://snov.io/knowledgebase/wp-content/uploads/2019/09/02-4.png)