Micro-conversions occur at every single step from when someone hits your site. Those ‘user flows’ are critical to eventually, one day, turning into paying customers (assuming they had a good experience, first).
Then once they do come back, micro-conversions could mean the difference between a larger number of visitors turning into customers because of video views, progress bars, and more. Or it could mean the difference between a greater of number people abandoning your checkout process because you don’t allow guest checkouts.
The only way to know for sure, is to switch your focus away from conversion rates (initially) and instead spend more time helping customers complete the “task” that brought them to your site in the first place.
Summed up: you need to look at every step of the workflow to find the bottleneck blocking the big conversion.
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