Every week we get questions about how to optimise the title tag. This article doesn`t look at the ranking signal of the title tag. In contrast:
" If CTR is up considerably and ranking dropped slightly, it doesn’t matter. Relevant traffic is what matters, not an arbitrary ranking position. "
Ross Hudgens focusses on A/B tests where he changes the title tags with a two weeks time interval. Therefore " if your CTR jumped considerably and average position stayed relevantly flat, congrats, you’ve almost certainly made a successful change. If your average position jumped solidly and so did CTR, you might not be able to confidently determine your test was successful. "
After explaining how to measure CTR and how to get a confidence that a new title tag is better he continues with how to generate a better title tag...
h/t Pe lagic