How to specify canonical page for Google

If your website has some pages which have highly similar content then that may prove detrimental to your SEO efforts. How you may ask? Take for example the following 3 URLs http://www.example.com/some_page.php?arg1=val1 http://www.example.com/some_page.php?arg1=val1&arg2=val2 http://www.example.com/some_page.php?arg1=val1&arg2=val2&arg3=val3 As you may notice the page is the same in all 3 examples. Assume that the main function of the page … Read more How to specify canonical page for Google