Recent media reports HTML5 DigitalTrends standard vulnerabilities exist. The website said that although HTML5 weeks to allow mobile phone to spread more convenient, but it can also be leaked in the user's mobile phone battery information, thereby revealing the user's practical information and network browsing information.

The reason why there is this vulnerability because html5 ecommerce website templates which has a feature is the low power consumption in the mobile phone so that the site can provide users with low energy consumption version. The amount of electricity, the use of time, the charge time of the information can be used by web developers to use.

But these features not only can be used in a positive way, but also can be used to write code to track user activity on the Internet, HTML5 test indexedDB and now a team of researchers at Princeton University has shown that it is entirely possible.

With this flaw, these sites can publish more targeted ads to users, and even through the browser's built-in features to track the user's browsing history.