Mobile Redirect


J

Jeff Thies

I have a client with a site that has a mobile subdomain.

There are a number of ways to redirect and an unholy number of devices.

What I thought was to through up a large mobile type link once. There is
a mobile link in a normal font elsewhere.

So:

function runSwitchLink(){
if(window.screen.width < 800){
if(!document.getCookie('asked')){
document.write('<a href="javascript:location.href=' +
"'http://mobile.some-site.com/mobile_redirect.php'" + '"
class="asked">Switch to Mobile Site</a>');

document.cookie = 'asked=yes;path=/';
}
}
}

runSwitchLink();

// document.getCookie defined elsewhere

Site requires cookies (cart), so cookies off is not an issue.

I think screen.width takes into account dppx oversampling, and I think
it is available always, even before page load. Is this right?

Other ideas?

Jeff
 
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J

jfaerber172

I have a client with a site that has a mobile subdomain.
There are a number of ways to redirect and an unholy number of devices.

Haha - well said!
What I thought was to through up a large mobile type link once. There is
a mobile link in a normal font elsewhere.
document.write('<a href="javascript:location.href=' +
"'http://mobile.some-site.com/mobile_redirect.php'" + '"
class="asked">Switch to Mobile Site</a>');

I don't know if it's a good idea to use javascript
maybe it's working with my phone that way.
Google is always redirected to the mobile version on my screen
automatically - dunno how that works.
// document.getCookie defined elsewhere
Site requires cookies (cart), so cookies off is not an issue.
I think screen.width takes into account dppx oversampling, and I think
it is available always, even before page load. Is this right?
Other ideas?
Jeff

Interesting to read your post.
I thought I will have to fight with the different CSS @media entries.
Long way ahead for me dude - don#t give up
 
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J

Jeff Thies

Haha - well said!



I don't know if it's a good idea to use javascript
maybe it's working with my phone that way.
Google is always redirected to the mobile version on my screen
automatically - dunno how that works.

For your benefit, since I think know one else here cares there are a
number of ways that Google determines which page to serve. On way is to
make a site map where the mobile pages are marked. Format like this:

All this assumes a separate mobile site...

<?xml version="1.0" encoding="UTF-8" ?>
<urlset xmlns="http://www.sitemaps.org/schemas/sitemap/0.9"
xmlns:mobile="http://www.google.com/schemas/sitemap-mobile/1.0">

<url>
<loc>http://mobile.some-site.com/some-page</loc>
<mobile:mobile/>
</url>

The second is to provide link alternative for each of your full site pages:

<link rel="alternate" media="only screen and (max-width: 700px)"
href="http://mobile.some-site.com/some-page" />

and for the mobile pages, a link rel="canonical" back to the main page

If you have a single site that serves all devices then you would not
need this, but not all sites are suitable to that approach. You would
then use the media query approach.
Interesting to read your post.
I thought I will have to fight with the different CSS @media entries.
Long way ahead for me dude - don#t give up

You can. For a simple site this may be the best approach. I've just
converted a Wordpress blog that was heavily styled in a 3 column layout
over to mobile with a number of media queries and hiding/showing stuff.
It's doable but you have compromises to make.

Jeff
 

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