I had written about this problem before, but I suppose it got buried under newer posts.
I have set various tags on my notes such as now, work, social etc depending on context and time. In-order to quickly find my notes, I use the save search option in evernote(edit>find>save search) to save a combination of tags (eg:notebook:pending tag:now tag:work) and pin the shortcuts of the saved searches to the sidebar for easy access(see sidebar screenshot below).
Now, when I click on one the saved search shortcuts(on the sidebar), every single time, I am seeing a strange 1 second