A word of caution about the latest versions of Joomap. They contain hidden advertising with a link back to the developer's site. Fortunately, there is an easy way to turn if off.
What and Where is the Advertising? The advertising is inside joomap.html.php. It creates a rotating series of text links combining of one the words in $keywords with one of the words in $location. So one day your site might link back to http://www.ko-ca.com with the keyphrase "Webdesign Ruhrgebiet" and the next day it might be "Programmierung Hagen":
//BEGIN: Advertisement if( $config->includelink ) { $keywords = array('Webdesign', 'Software Anpassung', 'Software Entwicklung', 'Programmierung'); $location = array('Iserlohn', 'Hagen', 'Dortmund', 'Ruhrgebiet', 'NRW'); $advert = $keywords[mt_rand() % count($keywords)].' '.$location[mt_rand() % count($location)]; echo "<a href=\"http://www.ko-ca.com\" style=\"font-size:1px;display:none;\">$advert</a>"; } //END: Advertisement How Many Sites Have These Links?
Google always underestimates link quantity and even Yahoo rarely find a majority of incoming links. I think we can safely say the quantity is well over 100,000. Removing This Link from Your SiteGo to Components >> Joomap >> Display and set "Invisible link to author" to No. What's Wrong with the Hidden Links- Its Against Google's Webmaster Guidelines. A link is simply an HTML tool to send people from one site to another. Therefore a hidden link has absolutely no purpose, except being an attempt to trick the search engines?
- Originally it wasn't disclosed. If you have versions of Joomap between 2.0 and 2.3 you may well have this hidden advertising. It wasn't present in 1.0 versions of Joomap and since 2.4 the option to switch it off has been added. The only mention I could find of this advertising was in the changelog.
- It is still very, very easy to miss. There's no mention of it on the author's site and only a small easy-to-miss check box to turn if off.
What's the Solution?We've been through the hidden advertising problem before with several other components and templates. Perhaps the solution is to include a program like Joomla Credits in the Joomla core with a link to it from the Main Menu. People who don't want it displayed can simply unpublish the menu link.
This would make it easy for everyone to understand who they are linking to. It would also mean that Joomla developers could give away their products and perhaps get even more links than they do now, without needing to be deceptive.
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Comments
1) From our study of template links ([url:error]) and component links ([url:error]), it doesn't work.
2) Because the tempation is there, but that doesn't make it right
3) His reward should be a genuine text link on the Sitemap page or via Joomlacredits rather than an invisible link that puts you in violation of search engine guidelines.
(p.s. the links to "template links" and components links" are broken)
Hidden Links are always the wrong way !
I wrote a short message to Daniel Grothe, the german developer of Joomap with this problem. I hope he will bring out a patch without this "fault". If not, the hole power of the J!Community will strike back
Anne - thats a great link and backs up what people are saying here.
Mirko - you're absolutely right. Xmap are doing the same thing!
I've posted on Joomla.org: http://forum.joomla.org/index.php/topic,242770.0.html
Basically I said two things:
1) Components with hidden advertising should be removed in the same way as others who break the Extension Directory rules
2) Joomlacredits should be included in the core
That's not to say hidden links are a good thing. Of course, they're not, and the author made a big mistake by including them ... something he might regret dearly now. But then again, if you look at your configuration carefully (which you should after updating a component), I find it hard to miss the option to disable the links.
Kind regards,
Zorro
1) The original versions 2.0, 2.1, 2.2 and 2.3 didn't have the option to turn it off
2) It needs a warning saying "checking yes will put you in violation of Google's guidelines"
He's not the only one to do this, so I don't want to make too much of it. It would be nice instead to find a way to credit developers with genuine, over-board links (JoomlaCredits) rather than tempting them to resort to this.
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