Yahoo
- Original
and unique content of genuine value
- Pages designed
primarily for humans, with search engine considerations secondary
- Hyperlinks
intended to help people find interesting, related content, when
applicable
- Metadata
(including title and description) that accurately describes the
content of a web page
- Good web
design in general
Google
- Make pages
for users, not for search engines. Don't deceive your users,
or present different content to search engines than you display
to users.
- Avoid tricks
intended to improve search engine rankings. A good rule
of thumb is whether you would feel comfortable explaining what
you've done to a website that competes with you. Another
useful test is to ask "Does this help my users? Would I do
this if search engines didn't exist?"
- Don't participate
in link schemes designed to increase your site's ranking or PageRank.
In particular, avoid links to web spammers or "bad neighborhoods"
on the web as your own ranking may be affected adversely by those
links.
- Don't use
unauthorized computer programs to submit pages, check rankings,
etc. Such programs consume computing resources and violate
our terms of service.
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Yahoo
- Pages
that harm accuracy, diversity or relavance of search results
- Pages
dedicated to directing the user to another page
- Pages
that have substantially the same content as other pages
- Sites
with numerous, unnecessary virtual host name
- Pages
in great quantity, automatically generated or of little value
- Pages
using methods to artificially inflate search engine rankings
- The
use of text hidden from the user
- Pages
that give search engine different content than what the end-user
sees
- Excessive
cross-linking sites to inflate a site's apparent popularity
- Pages
built primarily for the search engines
- Misuse
of competitor names
- Multiple
sites offering the same content
- Pages
that use excessive pop-ups, interfering with user navigation
- Pages
that seem deceptive, fraudulent or provide a poor user experience
Google
- Avoid
hidden text or hidden links
- Don't
employ cloaking or sneaky redirects
- Don't
sent automated queries to Google
- Don't
load pages with irrevelant words
- Don't
create multiple pages, subdomains or domains with substantially
duplicate content
- Avoid
'doorway' pages created just for search engines, or other 'cookie
cutter' approachs such as affiliate programs with little or no
original content.
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