Why is the security certificate not valid in some browsers?
The top five browsers have 99.1% market share. These this browsers : Chrome, Firefox, Internet Explorer, Safari and Opera. Follow this link to view the latest statistics :
Our security certificate is accepted by 99.9% of browsers. No provider security certificate can not claim to have a valid certificate for 100% of all the browsers available on the Internet. Safety certificates such as ours do not recognize the browser that is said ''exotic'' and are used only by very few users (less than 1%).
It should not be concerned with the possibility that the security certificate is not recognized by a browser, because the vast majority of people who come in your online store (99.9%) use Chrome, Firefox or Internet Explorer browser and therefore will have access to your security certificate without any problem.