GTmetrix is a free tool that analyzes your page's speed performance. Using PageSpeed and YSlow, GTmetrix generates scores for your pages and offers actionable recommendations on how to fix them.
YSlow Status Details
SaaSHub's Down Detector checks the status of services automatically and regularly. However, we cannot promise 100% accuracy. That is why we depend on user reported issues as well. The YSlow status here can help you determine if there is a global outage and YSlow is down for everyone or it is just you that is experiencing problems. Please always report any issues to help others know the current status.