You already suggest several online tools above so I would change this to avoid confusion. Change it to something like: 'Increase the frequency of your virtual meetings if they are not already a major component of your strategy.'

Add a comma here (opportunity, )

Mishra, V., & Dexter, J. P. (2020). Comparison of Readability of Official Public Health Information About COVID-19 on Websites of International Agencies and the Governments of 15 Countries. JAMA Network Open, 3(8), e2018033–e2018033. https://doi.org/10.1001/jamanetworkopen.2020.18033