Well after all I created an alternative to the nofollow attribute, assuming after extreme tests that it is the safest way to keep Google out of your business.
I created instead a 301 redirect file with PHP, including there all external links that should not be crawled and followed, disallowed bots to access the redirects file in my robots.txt. and in addition I added in the .htaccess file X-Robots directives "noindex,nofollow" for that redirecting PHP file too.
In addition I have forbidden Google to access the redirect file in my .htaccess with a 403.
The links in the pages are masked in the redirect file, like for example for "http: //www. ratepoint .com" I use on the pages something like "http: //www. seoworkers. com /?m=ratepoint".
What happens is, if the crawlers would suddenly misbehave to the HTTP standards, which they often do, and they access the file, they get a redirect back to my homepage with a 301 redirect. If the visitor clicks on the link, goes to the targeted web site again with a 301 redirect.
I do not use 302 or 307 redirects, since search engines can get aggressive.
I can't remember where I read this, but what I mean it is perfectly posed:
Quote:
Follow this URL and index the destination page with this URL. I'm not giving full credit to that page and I might change my opinion anytime. So keep my URL with that pages content.
Warning: here lies the problem. If you 302 to an offsite page then you simply claim that pages content. But, as you do not own that site, you will be penalized even banned as this is content theft. So keep the 302s insite.
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Another reason for not using temporary redirects was not to have Dangling Pages. It would probably not have been such a big issue, but still it would took longer for Google to sort out where the
PR should go.
I thought of sharing these news and I would love to discuss your opinion
if I am not going too far off topic.