Providing cross-browser compatibility on your blog / website theme, you must have to be able to detect the browser used by the visitor.
Browser Detection WordPress Plugin & Functions
Method : 1
By using this conditional comments. WordPress itself can detect client browser.
I am Ratan Editor of "WebDesignerGeeks". I am passionate about web and mobile development. I love playing around with the latest technology in the industry. Majority of the time, I work with PHP mainly with CMS namely, WordPress, Joomla and Drupal. Now working as Web & Mobile App Designer/Developer.