Add links.
--- a/web-seo.rst Thu Feb 23 21:41:59 2017 +0200
+++ b/web-seo.rst Fri Feb 24 11:49:49 2017 +0200
@@ -196,6 +196,13 @@
<meta name="robots" content="index, nofollow">
<meta name="robots" content="index, follow">
+https://support.google.com/webmasters/answer/93710
+ Block search indexing with meta tags.
+http://www.robotstxt.org/meta.html
+ About the Robots ``<META>`` tag.
+https://en.wikipedia.org/wiki/Noindex
+ Wikiperia article.
+
rel nofollow attribute in link
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