40 of em.
According to [github tillkruss email-encoder issues 8] the second call to the page is performed when it’s trying to detect an email address. firstname.lastname@example.org
The block directory search is intended to search the wordpress.org directory of single block plugins. The block directory now displays a preview pane for selected blocks. If no preview exists it simply inserts the block. The search is invoked when you start typing. Try not to disable all the blocks!