"The Keyword Difficulty tool is currently unresponsive due to difficulties with real-time rankings retrievals. We apologize for the inconvenience and are working to fix it."

[n1ar]

This is what I get on the main Keyword Difficulty Tool page.

[KeriMorgret]

Hi, we are having an issue with the keyword difficulty tool right now. Here's the message in our known issues section. https://seomoz.zendesk.com/entries/22457872-keyword-difficulty-and-rank-tracker-issues