When comparing Update Scannner for Firefox vs Visualping, the Slant community recommends Update Scannner for Firefox for most people. In the question“What are the best webpage change detection and notification software tools?” Update Scannner for Firefox is ranked 5th while Visualping is ranked 8th. The most important reason people chose Update Scannner for Firefox is:
The add-on is free.
Ranked in these QuestionsQuestion Ranking
Pros
Pro Free
The add-on is free.
Pro Checking frequency between 5 minutes and a week can be set
Pro Highlights changes since last check
Pro Intuitive interface
GUI for selecting sections of a page to monitor is clear and easy to use.
Pro Features
Cons
Con Potentially expensive
The "free" version of Visualping offers a specific number of "checks" and it might be ok if you check once a day but their "recomendation" or guide of typical use will exhaust the free checks very quickly.
Con Too many false alarms
Con Potential bandwidth issues
VP checks for changes in graphics as well as text, and to do so has to frequently download the entire content of a monitored page. If the hosting account has bandwidth limits they can be exceeded very easily if a number of graphics heavy pages are monitored by a number of users.