Blurweb App have keep blur feature which means you can blur content on the page and come back to the page later opning it again or reload the blur will stay
To make this happen we initially made the page blank till it loads all then blur it then show, now this process can cause some web apps like trello to not load at all
So all you need to do is right click and choose "This can read..." and then select "When you click the extension
Now you may ask but Sanskar (blurweb app creator) i want to use keep blur, what to do? well similar to above right click and choose "This can read..." and then select On siteyouareon.com