This coming week sees the Apple World Wide Developer Conference (WWDC) in San Francisco, and the most eagerly anticipated announcement has to be the new iPhone (the iPhone 2.0).

According to MacRumors the second generation iPhone is expected to adopt 3G for faster internet access, along with a number of ground breaking features. These could include a forward facing camera for video calls and a GPS receiver for satellite navigation. As always there has been much speculation as to the design of the new iPhone, with a number of ‘leaked’ photos circulating the Internet.
With the actual launch expected to be sometime in late June or July in the US, UK users are left wondering about possible launch dates in the UK and whether it will be long after the US launch. Many have speculated that it’s likely to be soon after the US because of its predecessors popularity.

On a personal level the first iPhone has been such an amazing buy (despite the critics views) that I can’t wait to get my hands on the iPhone 2.0. I may even consider switching to O2 and signing up on a contract (I currently use an unlocked iPhone on Vodafone). My only gripe is the duration of the existing O2 contracts, which appear to be around 18 months (far too long). Either way it seems extremely unlikely that second iPhone will be made available on any other network, at least to being with.

There seems to be a big debate about the use of the rel=”nofollow” tag when linking to other websites. I’m no SEO expert – so I’m in no position to comment! but in this post I will tell you how I added a checkbox to wordpress admin that allows me to make new sidebar (blogroll) links nofollow links. In my case I opted to use nofollow for linking to a few big websites. I haven’t used nofollow for linking to smaller sites that need the juice.

What is the rel=”nofollow” tag?
Simply put the rel=”nofollow” tag can be used when linking to other web sites to tell google and other search engines not to follow that link as part of their crawl. Thats the oversimplified explanation anyway, the reality is that it tells google not to add any weight to that page’s pagerank / ranking because of your link to that site, which it might otherwise do.

How I added rel=”nofollow” to selected sidebar (blogroll) links
If I want to create a link on my sidebar I usually go to ‘write’ and then ‘links’ from with WP Admin. At the bottom of this page there is a subtitle – “Link Relationship (XFN)” and beneath it is a text entry field with the tantalising word ‘rel’ (hmmm I want rel=”nofollow”)…… Unfortunately WP 2.5 won’t let me type anything here. I have to tick a checkbox beneath the text field for anything to appear in it. I guess I need a tickbox called ‘nofollow’. How do I add that?

To do this I downloaded and edited the ‘edit-link-form.php’ file from the \wp-admin folder on my webserver. I inserted the following line of code:

<tr>
  <th scope="row"> <?php _e('following') ?> </th>
  <td>
     <label for="follow">
     <input class="valinp" type="checkbox" name="follow" value="nofollow"
id="nofollow" <?php xfn_check('follow', 'nofollow'); ?> />
     <?php _e('nofollow') ?></label>
  </td>
</tr> 

this was inserted just above

<th scope="row"> <?php _e('identity') ?> </th>

which was on line 174 in my file. Now I have a tick box at the bottom of the write, links page and if I tick it, it makes the link a nofollow link!
** If you try this make sure you take a back up of edit-link-form.php first **

Since moving from blogger to wordpress I have been spending a lot of time working on Search Engine Optimisation (SEO), so that my blog ranks highly. SEO can take a lot of time and I’m still in the early stages, but something I have discovered is that google has been indexing my archive pages.

The problem with this is that google sees these archive pages as duplicate content. For example http://www.thinkjim.com/2005/09/ contains a post about a microsoft windows training course, but this post is also a web page in its own right (http://www.thinkjim.com/2005/09/m2276-implementing-a-microsoft-
windows-server-2003-network-infrastructure.html). This counts as duplicate content and can effect your google pagerank.

To get around this i’ve learnt that you need to stop google indexing the archive pages and this can be achieved by adding a line of code to the header.php file – this forms part of your wordpress theme.

<?php if(is_archive()){ ?><meta name="robots" content="noindex, follow"><?php } ?>

If you put the line of code above into your header.php file it will tell google (and other search engines) not to index any pages that are archive pages, but the search engine will look inside archive pages for links to other pages (i.e. posts). If it finds a link it will follow it and index the linked page.