Here is relevant information about it taken from this page: https://support.google.com/adsense/answer/10528?hl=en https://support.google.com/adsense/answer/1052

Here is relevant information about it taken from this page: https://support.google.com/adsense/answer/10528?hl=en https://support.google.com/adsense/answer/10528?hl=en "HTTPS-enabled sites require that all content on the page, including the ads, be SSL-compliant. As such, AdSense will remove all non-SSL compliant ads from competing in the auction on these pages. If you do decide to convert your HTTP site to HTTPS, please be aware that because we remove non-SSL compliant ads from the auction, thereby reducing auction pressure, ads on your HTTPS pages might earn less than those on your HTTP pages."