3rdParty.io is a new tool I’ve released to evangelize best-practices for third-party scripts and libraries: 3rdParty.io is a YSlow-like developer tool that’s designed to run best-practice checklists on third-party scripts and libraries. While YSlow and other great synthetic testing tools (such as Chrome’s Lighthouse) perform audits on entire websites, 3rdParty.io focuses on individual third-party JavaScript […] The post 3rdParty.io first appeared on NicJ.net.