What's indexed and what isn't

Speaking primarily of the major search engines, what are indexed
are the more significant words on the site. Prepositions and 'filler'
words—such as a, an, the, in, et cetera, are ignored. What the
spiders look for are the words that appear on the site that actually
mean something to the end user.


Those words can appear virtually anywhere on the site. The
spiders will search content, headlines, sidebars, ads, and coded
tags behind the scenes.

Some of these words will add more weight
if used properly. For example, titles and subtitles add weigh t to
keywords, so it is a good idea to use your primary key phrases in
titles and subtitles and in the Meta tags for the site.


There is something of an art to this, however. It didn't take long
for the search engines to figure out that people were simply
stuffing pages with keywords and key phrases to get ranks and
hits, and so they developed algorithms (undisclosed) to guide the
spiders and tell them what is real content and what is bogus.


In addition, there are some types of content that spiders can't or
won't index. They won't index information that you tell them to
ignore (through your coding); content that is not accessible
because it is restricted behind a password or security system
cannot be accessed and so will not be crawled and ranked.

This is part of the reason that squeeze pages have limited usefulness, at
least in terms of search engine rankings; if the spider cannot go
beyond that wall, it cannot see what is behind it. Therefore, you
have to have the bulk of your optimized content upfront where the
spider can get at it.

Also, spiders have stopped ranking a lot of
squeeze pages because they do not offer actual value—they're just
registration docs, and so you should not rely too heavily on these
from an SEO standpoint unless you plan to add some content that
will please the spider (and still be useful to the human consumer,
too).

Plug-ins, non-HTML formats, and non-text content cannot be
indexed by search engines. This means that if you are including
any of the following, it may not be indexed.

• Plug-in programs
• Videos
• Audios
• Flash files
• Images
• Photos
• Frames
• Java applets

Of course, these elements can be important to the humans who use
your site, and certainly do have a purpose that warrants using
them, but from an SEO standpoint, they have little to no value.
Therefore, the best advice for affiliates is to keep it simple, build it
strong, and minimize the use of features that have limited return.

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