VisualPing.io - Dear users, Chrome rolled out and update and some of you had issues with the Visualping and Page Monitor Chrome apps. We rolled out a fix. Make sure you have
Page Monitor
5 Page Monitoring Extensions For Chrome - I Love Free Software
Get notified about website changes with Page Monitor for Chrome - gHacks Tech News
Distill Web Monitor
Etre notifié des modifications d'une page web avec Page Monitor
PageProbe - Automatic Page Monitor
Page Monitor
Track Any Page Changes in Google Chrome
Page Monitor Pro
GitHub - PageMonitorPlus/pagemon-chrome-ext: Fork of original Page Monitor chrome extension - stays in background and monitors web pages for changes