Mobile users or smart phone users are increasing as the 3G and 4G networks are becoming more affordable. According to one report. by 2017 mobile phone users are likely to reach 5.13 billion users globally.
Because of increasing mobile phone usage, Google has decided to use the Mobile-Friendliness factor as a ranking signal. For more detail see this.
From now on, the downside of ignoring the Mobile-Friendliness factor will be lower rankings, less traffic, and fewer leads and sales.
Test for mobile friendly blog/website
1) Googles Mobile-Friendly Test
google provides the application to test the mobile-friendliness of our blog/website. When we enter our URL into Google Mobile Friendly Test , it will process our URL for Mobile-Friendliness Test.
It will also provide us with some suggestions if our blog/website is not Mobile-Friendly.
Googles PageSpeed Insights
Here is another tool for Mobile-Friendly-Test. Googles PageSpeed Insights has some other uses as well. This tool lets us check the performance for both Mobile and Desktop PCs.
W3Cs MobileOK Checker
This is a good tool for Mobile-Friendly Test. W3Cs MobileOK Checker , provide detail results of the test. This tool also recommends changes to make our blog/website more Mobile-Friendly.