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From: Thomas 'PointedEars' Lahn <PointedEars@web.de>
Newsgroups: comp.lang.javascript
Subject: Re: Redirecting to a mobile site
Date: Mon, 05 Dec 2016 13:16:10 +0100
Organization: PointedEars Software (PES)
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Cezary Tomczyk wrote:

> On 04/12/2016 20:23, Thomas 'PointedEars' Lahn wrote:
>> Cezary Tomczyk wrote:
>>> On 01/12/2016 18:42, bit-naughty@hotmail.com wrote:
>>>> ...I've been to sites, where, if you're on a mobile device, it
>>>> redirects you to say, m.site.com - how is this done? (the only
>>>> knowledge *I* have regarding anything about this is "media queries"
>>>> in CSS - and that doesn't explain the redirection....)
>>> I've been using this way:
>>> http://zerosixthree.se/detecting-media-queries-with-javascript/
>> Bad idea.
> 
> Hm, interesting. What's wrong with that approach?

Put simply, it does not work where it is required, and it is error-prone 
overkill where it is not required.  Also, people could get the wrong idea of 
using the “innerHTML” property to replace or rewrite content, leaving parts 
of documents or whole documents unindexable while causing a user-unfriendly 
flash of content.

<https://developers.google.com/webmasters/mobile-sites/mobile-seo/common-mistakes> pp.

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