Fault in html

General
1

Hello,

I mistakenly changed something in the html of my website.
I don’t know what to change back now.
Can anybody help me?

<$BlogPageTitle$>

This page has found a new home

<$BlogTitle$> <$BlogItemTitle$>

Blogger 301 Redirect Plugin
2

I am afraid that is an issue that is not Cloudflare related and should be rather discussed in a forum appropriate for web development.