According to Google, more than 50% of searches are launched from mobile devices. About 80% of people who open this web page use phones and tablets. We create websites that display well on arbitrary screen sizes.
There are still situations when people use slow internet connections. To make websites work faster we minimize downloaded scripts and fonts. Also we minimize the number of database requests to diminish servers' responce times.
Whether you own a bank or just have a small business, there are people who want to break into your website. Numerous robots scan websites for known vulnerabilities, particularly for the ones found in WordPress. In order to increase security we (i) use https instead of http, (ii) limit access to US and Canada and (iii) avoid WordPress when possible.