Ranked in these QuestionsQuestion Ranking
Pro CSS injection
Once the monitored .css file is saved, changes are implemented without reloading the whole page.
Pro Multiple browser support
Live.js has multiple browser support, it supports Chrome, Firefox, Opera, Safari and IE6+. Basically almost all the browsers that are currently in use.
Pro Easy setup
Setting up Live.js is extremely easy, the developer either adds the live.js script inside their page, or if they want to monitor only CSS changes, they can add the bookmark that is found on the Live.js homepage.
Con No cross-device support live or otherwise
Does not have support for multiple devices or multiple browsers for live reloading.