Crossword puzzle clue "then again in a blog comment"

Hybrid car that runs a few seconds, then stops, then runs again, then stops again...?

"Then again," in a blog comment

Go from blog to blog, say

Do this, then that, then this again

Brown, then red, then brown again, maybe

Again and then once again

___ Comment (blog link)

Blog comment format usually interpreted as the word spelled by eight aptly circled puzzle letters