What kind of backlinks are effective?Masato Wakabayashi

Agenda

• Introduction• Factors of SEO• History of SEO• Backlinks• Questions

Introduction

Google uses about 200 factors to evaluate web sites. It can be divided into main two factors, one is internal factors and the other is external factors.

Internalfactors

External

factors

HighRankin

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Factors of SEO

What is the internal factor? The internal factor is that elements affect the ranking on our page and site that we can control with source codes.ExampleTitle Tag, URL, Alt tag, Meta description etc

Factors of SEO

What is the external factor? The external factor is that elements affect the ranking from other page and site that we cannot control with source codes.

ExampleHyperlinks from other sites. We can call "Backlinks"

History of SEO

Google updated the algorism of search engine system to evaluate the site. Famous updates are Penguin and Panda. By these update, unnatural links are recognized spam links According to Google Webmaster Guidelines, unnatural links are artificial links mainly intended to manipulate a page’s ranking.

History of SEO

Google Update

Effect Example

Before • Increasing Easily and Immediately　→ Unnatural

Purchase paid links: Some SEO companies sell them a lot of links. They have some sites they can add many links.

After • Increasing gradually　→ Natural

Natural links: Opposite of unnatural links that backlinks from the related site for yours, increasing gradually.

Backlinks

What kinds of links are natural?Google doesn’t show how to evaluate backlinks. However, they show us the score of each links which measures the importance of a web page using a 100-point scale (from 0 to 100).

Backlinks

Backlinks

What kind of backlinks are effective?Classified web sites to fifth categories• Blog• Article• Sponsor• Directory• Discussion Board

The higher location, the higher score tendency.

Questions

• Is it necessary to do something in order to increase backlinks? Someone said that “If you have good contents on your webpage, backlinks will increase naturally even though you don’t do anything special.”

• If it is necessary, when should I start doing it? Before starting On page SEO ? After that? or The same time?