Original concept on the 5 Criteria of a Powerful Headline can be found at CopyHackers.
So here's the thing:
Once you finished scoring your headline, you can create a goo.gl shortlink.
All the comments (bottom of the page) on that link, are only available for that particular score.
You can check back later to see comments on your headline.
Bugs, questions, suggestions? Please use the comment section.
This is a Beta version, still working on it.
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It really counts! :)