Post on 17-Jan-2016
به نام خدا
مهندسي اينترنت
جوانمردJavanmard.ehsan@gmail.com
www.ejavanmard.blogfa.com
اساليد پنجم
Search Engine Optimization (SEO)Search Engine Optimization (SEO)
What does it take to build a search What does it take to build a search engineengine??
• Decide what to index• Collect it• Index it (efficiently)• Keep the index up to date• Provide user-friendly query facilities
Search Engine Optimization (SEO)Search Engine Optimization (SEO)
How Search Engines Work?
•GoogleBot(Spider)•Crawling•Database•Indexing•Page Ranking•User-Friendly •Search Engines-Friendly•KeyWords•Directory
Search Engine Term and ConditionsSearch Engine Term and Conditions
Search Engine Term and ConditionsSearch Engine Term and Conditions
Search Engine Term and ConditionsSearch Engine Term and Conditions
Ranking factorsRanking factors
On-Page Factors (Code & Content)1. Content, Content, Content (Body text) <body>2. Keyword frequency & density3. Title tags <title>4. ALT image tags5. Header tags <h1>6. Hyperlink text
Off-Page FactorsAnchor text Link Popularity
What a Search Engine SeesWhat a Search Engine Sees
View > Source (HTML code)