http://www.thedrum.com/opinion/2016/08/16/should-you-migrate-your-website-https-seo Should you migrate your website to HTTPS for SEO? | Digital | The DrumIf you're planning on changing to HTTPS purely for SEO reasons, then we advise you not to make the switch. At Caliber, we work with a number of large travel and retail clients and have not observed any specific performance data which shows a correlation between higher rankings and implementation of HTTPS across our portfolio.The Drum