Welcome to the Q&A Forum

The best way to prepare for Google's house cleaning updates is to always try and stay as white hat as possible. If can try to avoid shortcuts and obvious shady techniques you will most likely BENEFIT from any such updates. Think from Google's perspective, they want only the most legitimate and original content sites, so if that is you, have no fear.

I use www.blizzardmetrics.com to analyze bounce rates from a benchmark standpoint. Here is some data from November 2016 for 135 websites - Overall Bounce Rate 39.7%, Mobile Bounce Rate: 43.1%, Tablet Bounce Rate 53.7, Desktop Bounce Rate 39.7, Bounce rate from Organic Search Engines 38.4%, Bounce Rate from Direct Type-in: 59.9%, Bounce Rate from Referrals 28.7 (something fishy here, it was 54.1% in October and 69.4% in Nov 16), Bounce Rate from email 61.4 and Bounce Rate from Social 35.3. This data is dynamic, if you head over to Blizzardmetrics, and add your site, all the numbers will update! If you are an agency and add a bunch of website, you can look at JUST your websites, or, all websites. You can also categorize by industry.