Posts by Joost de Valk archive - page 50


Google Search URL parameters cheat sheet

2 July 2007 by Joost de Valk » - 36 Comments

I’ve been playing around with the URL parameters Google has to offer a lot lately, mostly after the de-personalized search stuff. I’ve now built a list of these parameters and created a PDF cheat sheet file with all of them in there. Included in this PDF are links to the documentation for the values some »

Category: Technical SEO
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Cloak your sitemap!

7 May 2007 by Joost de Valk » - 10 Comments

xml sitemaps do you need them

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
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Optimize your shopping cart in 5 steps

22 April 2007 by Joost de Valk » - 25 Comments

Checkout page UX optimize your shopping cart

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

yoast seo

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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PHP-APC: Speed up your web applications!

8 April 2007 by Joost de Valk » - 15 Comments

As regular readers of this blog might know I have written quite some tools using the different API’s of search engines, and always found them quite useful. When I was implementing my sitewide search function, one of the things that bothered me that it was a bit slow. I knew that I had seen some »

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Implementing a sitewide search function

6 April 2007 by Joost de Valk » - 1 Comment

Those of you coming to this site more often might have noticed a small change in the search box. It’s now implemented sitewide, and I’ve built a sitewide search functions using the Yahoo! API. It was quite nescessary because I found that people were searching for “sortable.zip” on the blog, and they wouldn’t find anything »

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Why Google doesn’t like frames in your sites

2 April 2007 by Joost de Valk » - 9 Comments

yoast seo

I’m currently working on a site for a client who has a site which uses frames, and he asked me why Google always linked to the “wrong” page. He did not build this site himself of course, and hasn’t got much of a clue as to how HTML works, let alone search engines. He asked »

Category: Technical SEO

Google, WordPress and trackback URLs

31 March 2007 by Joost de Valk » - 20 Comments

yoast seo

I’ve been playing around with WP-Googlestats for some blogs, and I noticed something I really didn’t think about until now. Googlebot, and other spiders, all spider the trackback URLs that are in the meta data for posts. But since it spiders that and it’s not really sending a trackback, it get’s redirected to the post »

Category: WordPress
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PHPSESSID in your URL? Learn to 301 redirect them with PHP

30 March 2007 by Joost de Valk » - 19 Comments

I’m doing some work on a site which has like 4,500 pages indexed with a PHPSESSID in the URL, causing some major duplicate content problems. I got the server admin to disable the PHPSESSID’s by adding the following to the vhost config: I also wanted Google to get a clean URL when it decided to »

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Convert underscores to dashes with Apache mod_rewrite

25 March 2007 by Joost de Valk » - 1 Comment

yoast seo

Update: (Aug 4 2007) the stuff below is no longer necessary, all major search engines now treat underscores and dashes exactly the same, as word separators! A year or so back, I was using underscores in my URL’s on this site for spaces, and I decided to switch them to dashes, since several people, including »

Category: Technical SEO