Technical SEO archives

Blogspam works, but only in large quantities

28 June 2007 by Joost de Valk » - 17 Comments

Dave Davies did some research on whether nofollow links still pass some linkjuice, and as it turns out (which we knew of course) it does, a bit… So, for your blogspam to be useful, you have to do it in very very large quantities :)

Category: Technical SEO
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Nasty duplicate content trouble created by annoying “SEO”

24 June 2007 by Joost de Valk » - 6 Comments

Duplicate Content issues for websites

Update: Scott has since fixed the issue, as seen in the comments. (And I have thus removed the nofollows :) I was checking the backlinks to my No Personalized Search plugin page, when I saw this turn up as one of the backlinks:     Now of course I thought that was odd (and a »

Category: Technical SEO
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Google de-Personalized Search for Firefox and IE7

14 June 2007 by Joost de Valk » - 55 Comments

I’ve done it myself, I’ve created an OpenSearch plugin which adds &pws=0 to the query and thus shows you the clean results. This plugin easily allows you to search without having personalized searchresults, without logging out of Google. It’ll work with Firefox 2+ and IE7. Here it is: Google Search Plugin without Personalized Search. Update: »

Category: Technical SEO
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SEO Jokes

29 May 2007 by Joost de Valk » - 18 Comments

My colleague Roy made me laugh today, and not a little, over this very geeky SEO joke: Me: “Hey, we’re ranking for duplicate content.” Roy: “How often?” Now, if you can laugh about that, you know you’re doing good as an SEO and probably bad in your personal life :). Any more SEO jokes you »

Category: Technical SEO

Blocking your site’s search results?

10 May 2007 by Joost de Valk » - 6 Comments

Recently, Matt Cutts posted about search results in search results, as apparently Vanessa had updated the guidelines about this a bit after some uncertainty as to how you should handle your sites search results. The guideline now states: Use robots.txt to prevent crawling of search results pages or other auto-generated pages that don’t add much »

Category: Technical SEO

Cloak your sitemap!

7 May 2007 by Joost de Valk » - 10 Comments

There’s a discussion on Webmasterworld as to whether XML sitemaps are a welcoming door for scrapers. Especially with the new autodiscovery feature for sitemaps around, it becomes very easy for a scraper to find any and all URL’s in your site. So in my opinion, they are a bit too warm of a welcome. Tedster »

Category: Technical SEO

nofollow is NOT meant for editorially reviewed links

2 May 2007 by Joost de Valk » - 24 Comments

Imagine you’re like me, and you like WordPress so much that you write plugins for it. People start writing about these plugins and they, of course, link to you. You see these pages writing about you show up in your referrer stats and of course you go and have a look at what they’re writing »

Category: Technical SEO
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Affiliate links? Cloak them!

30 April 2007 by Joost de Valk » - 13 Comments

John Chow did a post on how to hide your affiliate links… Of course the only proper way to hide affiliate links is: cloaking them. I’m thinking about building a WordPress plugin for that specific purpose. Anyone know of a proper affiliate link cloaking script?

Category: Technical SEO
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Optimize your shopping cart in 5 steps

22 April 2007 by Joost de Valk » - 25 Comments

A friend of mine was adding a shopping cart to his site, and wanted some advice on how to optimize his shopping cart. I thought: why not give the advice I gave to him to all my readers as well? So here we go, a complete article on shopping cart SEO. Step 1.: Make sure »

Categories: eCommerce, Technical SEO

How to prevent Google from indexing script output

11 April 2007 by Joost de Valk » - 1 Comment

If you have some scripts on your site like, for instance, my domain-info script, you often use GET parameters so people can link to them or bookmark them. This has a lot of benefits, but it creates a problem as well. Search engines will index this output, causing your server to use cycles for something »

Category: Technical SEO
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