these days the smartphones become more power full.smartphone engaging people with doing mobile SEO is one of the way to increase traffics.
FAULTY REDIRECT
mostly, webmasters separates smartphone versions of webpages in addition to their desktop,counterparts.when a smartphone user land on a desktop page,he is usualy redirect to a corresponding mobile version.But sometimes there redirect are not go as planned,some description are given below
When a no mobile version of a page is available.the user might be redirect to the homepage.that means the user do a lot of work ,and isn't generally happy about it.
Suppose you have a website where you can search and /or sort data ,as is the case with product listings,Now the URL parameter (e.g www.example.com/search.php?product=13)for the desktop version might not be parsed property,or at all by the mobile version ,which means that smartphone users will not be able to search the content.
You might have set up redirection checks for some mobile platforms,but not all for example,you might have checked for Android and ids,but missed out on BB,WB,Ubuntu,etc.
The best solution would be just retrune the desktop version of your pages to smartphones,instead of redirecting them.
Smartphone-onlyErrors
Sometime,user are able to open a page on desktop ,but they get 404 error when accessing the same page on a smartphone,again ,there can be version reason.
The page a user looking for a mobile might not actually exist as a mobile version
If you recognize a user is visiting a desktop page from mobile device and you have an equivalent smartphone.Friendly page at a different URL ,redirect them to that URL instead of serving a 404.
