Google penalty hits SEO
It is possible that Google sends the webmasters a message like this via webmastertools:
The system of Google tested 19 pages of your site and determined that 100% of them are experiencing critical problemes with mobile usability. The problems of these 19 pages are of big influence to the way your mobile users experience your website. These pages will be categorized as non mobile friendly by the Google search engine and will be reranked as such for the smartphone users.
Responsive website urgency
This means that your site is insufficiently keeping the appearance at smartphones into account. This will influence the ranking of Google search, or search engine optimalization (SEO) negatively. If you need help to solve this? Please contact us! We know how to solve the responsivness of your site so your site will be visible in the Google ranking.