Tài liệu nghiên cứu về SEO-2011

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SOME NOTE ABOUTSOME NOTE ABOUT
SEOSEO
Presenter: Nguyen Lan HuongPresenter: Nguyen Lan Huong

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Content
Basic concepts, why SEO.
1. Five Key factor for SEO:
1. Key Words
2. Credible Inbound Links
3. Domain Name
4. Traffic
5. Content
2. Other note
3. Useful tools for SEO

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Basic concepts, why SEO
• SEO: Search Engine Optimization
• Why SEO?
– 90% of web users use a search engine
everyday to find what they are looking
for. It means that the search engine is
the only tool they use to find services
that they need.

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1. Five Key factor for SEO
1. Key Words
2. Credible Inbound Links
3. Domain Name
4. Traffic
5. Content
6. Key factor and Search Engine

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1.1 - Key Words
– Title Tags (should be distinct, and exactly):
Mouse Over Tab or on the top line of
browser
– Description Tags (invisible on website, shown
in search results- not availibling for google):
Length less than 250 characters.
– Keyword Tags (invisible, only part of code-not
availibling for google, too) (less than 250
characters)

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1.2 - BACKLINKS
• Backlinks are incoming link to a web page.
• The popular of your site in website.
• the Quality of backlinks along with the
Quantity that help you rank better in
Search Engines.

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1.3 - DOMAIN NAMES
That Work for SEO
– Effective Domain Names
• InsuranceLosAngeles.com
• SanDiegoLawyer.com
• PhoenixPizzaRestuarant.com
– Ineffective Domain Names
• JaneDoe.com
• FranksPizza.com
• BusinessName.com

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1.4 - TRAFFIC
– The more traffic you have to your
website, the higher it ranks
– 1,000 page views or 1,000,000 page
views
– Which would you guess is more credible?
– This goes for GOLD and PLATINUM
listings as well, not just major websites!

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1.5 - CONTENT
• The text content of your advertiser’s site
must properly reflect their keywords.
• The text content must be sufficient to
show Search Engines that the site is
credible
• There must be enough dynamic content
such as pictures and videos to show
variety. This proves credibility.
• Fresh and consistent content greatly
improves SEO

10. 1.6 Key Factor And Search
Engines
• Yahoo
– Focus is primarily on page content; key-phrase count, placement etc
– Uses Keyword and Description Meta-Tags (invisible to user)
– Looks for relevance of back links
• Google
– Focus is primarily on Back links including referring page relevance
– Ignores Keyword and Description Meta-Tags
– Looks for relevance of page content as well as key-phrase count etc
• All
– Need error free code to be able to ‘see’ the content
– Pages should have 250+ ‘content’ words preferably nearer 500
– Look for proper use of Headings to highlight important content
– Change their algorithms regularly (at least in small ways)
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1. Summary
• Search engines place “weight” on terms
according to where they are used

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2. Other note
1. www and non-www
2. Robots.txt
3. Img, link tag.
4. Site navigation-Site map
5. 404 page

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2.1 www and non-www
• When register a site, we owned two
domain:
http://www.domain.com and
http://domain.com
 Redirect all to one by using htaccess

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2.2 Robots.txt
• give instructions to web robots, show
them that they should not visit any
pages on the site (for example:
search result site, image url…);
• You named it robots.txt, put in
http://yourdomain.com/robots.txt
• Robots.txt:
– Insert rules for allow
– Insert rules for disallow

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2.3 Img, link tag
• Give full link of site instead of link like:
images/avatar.jpg…
• Link should be simple, has less parameters
• Text in link should describe the link.
– Good link: <a href=‘#’>Download
chrome</a>
– Bad link: <a href=‘#’>Click here</a>
– Img should have alt, title attr.
- Avoid dynamic link like
index.php?company=1

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2.4 Site navigation-Site
map
• Site navigation and URL structure
that search crawlers can easily follow
• Submit sitemap to crawlers.

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2.5 404 page
• Avoid using default 404 pages
• Custom 404 pages are more user-
friendly
• Submitting all 404 URLs to the
search engine helpful, but not
essential
• Remember to change the HTTP
status code on custom error pages
from 200 to 404

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3. Useful tools for SEO
(cont)
• Rank tracker track the rank of keywords
of a domain in search engine.
• Website health check: check for missing
title tag, description, dumplicate title…
• Backlink summary tool: summary all
backlink of a site
(example:http://www.webmaster-
toolkit.com/link-popularity-checker.shtml)

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3. Useful tools for SEO
(cont)
• Keyword analysis: -Google keywords
toolsum keywords used per month and
compettions
– Google analytics : Monitor traffic,
identify used keywords etc…
– Google webmaster tools
• Identify problems on site; broken
internal links; broken back links,
mailware etc

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Google analystic example

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Thank you for listening!