How do you explain a spider of a search engine you only want him to index just the first page of your website or he is allowed to index the whole website. You use the so called ROBOTS tag.
The robots meta tag is not the same as the file called robots.txt You should use these two together. Both are used by the seach engines like Yahoo and Google. If you use this meta tag the wrong way you might shut the search engines out. So the influence of this meta tag is significant.
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The meta tags no-email-collection is an unspam.com initiative. Sure, the die-hard spammer wil not be stopped by this tag. This tag is mainly used to have a statement on your website: we don’t want you to harvest our email-address.
And if you have this statement on your website you are able to complain about spam harvesting and spam runs. In the USA you can even start a lawsuit.
This is why the meta tag contains a link to the page with your statement regarding spamruns and harvesting.
This meta tag has no influence on your search engine ranking. Meta tags who do have a lot of influence are the title of your page, the keywords and the description meta tags. Read more…