Pictures don't mean anything to a search bot. The only
information a bot can gather about pictures come from the alt attribute used
within a picture's <img> tag, and from text
surrounding the picture. Therefore, always take care to provide description
information via the <img> tag's alt
attribute along with your images, and to provide at least one text-only ,
outside of an image map link to all pages on your site.
Certain kinds of links to pages and sites simply cannot be
traversed by a search engine bot.
The most significant issue is that a bot
cannot login to your site.
So if a site or page requires a user name and a password for
access, then it
probably will not be included in a search index.
Don't be fooled by seamless page navigation using such
techniques as cookies or session identifiers. If an initial login was required,
then these pages can probably not be accessed by a bot.
Complex URLs that involve a script can also confuse the bot although only the most complex dynamic URLs are absolutely non-navigable.
Media, Sharing of contents within the completely different social networking websites
and teams. Customers are sharing more and more data .
Automatic SEO benefits for your site in addition to custom keyword lists, nofollow.
You
can generally recognize this kind of URL because a ? is included following the
script name. Pages reached with this kind of URL are dynamic, meaning that the
content of the page varies depending upon the values of the parameters passed to
the page generating the script.
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