very slow line on pingdom

Open up the JavaScript console when you are loading that page and see if you see any errors.

https://docs.wordfence.com/en/You_guys_wanted_me_to_open_the_JavaScript_console_-_How_do_I_do_that%3F

Thank you for the suggestion! I have tried it via Chrome, Mozzila and Chromium. First two dont give any errors, whereas the Chromium gives this: https://dl.dropboxusercontent.com/u/3319454/WF1.JPG and opening first error: https://dl.dropboxusercontent.com/u/3319454/WF2.JPG and second: https://dl.dropboxusercontent.com/u/3319454/WF3.JPG

I also opened: “admin-ajax.php?… ” and it’s completely blank:https://dl.dropboxusercontent.com/u/3319454/WF4.JPG. I also tried to deactivate and then also deleted and re-installed the plugin and the same problem reappears in both cases. Any suggestions kindly welcome.

Try removing again using the following to make sure all the table data is deleted.

https://wordfence.freshdesk.com/support/articles/1000010321-how-can-i-remove-all-wordfence-data-or-reset-wordfence-to-the-default-settings-

See if the problem is the same with Wordfence totally removed. Let me know the results.

Thanks,
Brian

I did as instructed and the problem was successfully solved. In order to see whether the problem will reappear I installed Wordference again and the problem was reappeared. What could be explanation or solution to the problem?