Many experts was trying to explain of what the Google Algorithm formula might look like. Some of them came with very close ideas but it was still just thoughts, guesses, theory with lack of evidence.
As SEO expert I decided to challenge myself and try to explain Google Algorithm. My work based on my observations, research, reading, and rankings of my clients.
As SEO expert I decided to challenge myself and try to explain Google Algorithm. My work based on my observations, research, reading, and rankings of my clients.
Domain:
- Domain age
- Domain history
- Domain name
- Domain usage
- Branding
- gTLD
- Where registered (Geographic location)
Inbound Linking:
- Link age
- Related website
- Website quality (TrustRank)
- Deep links
- Page straight
- Quantity (not really important anymore)
- Type of a website (blog, directory, forum, social network…)
- Anchor text
- Surrounding text (text around link)
- Link Position (content, footer, header, sidebar etc)
- One way
- Reciprocal
- Page type (partners, news, clients, archive, resources etc)
- Amount of other inbound links on the page.
- Pagerank (loosing value)
- gTLD (.gov, .com, .mil rank better)
Keywords:
- Domain, folder, url
- Header
- Meta title (keep under 150 chars)
- Meta keywords (keep under 500 chars)
- Meta description (keep under 200 chars)
- Tags
- Position in content
- Page title
- Anchor text
Content:
- Duplication
- Grammar mistakes
- Punctuation
- Academic language
- Paragraphs
- MLS writing style
- Tags and title
- Location on the page
- Keywords
- Amount of content pages
- Amount of unique words, letters
- Content changes (old pages without changes rank worse)
- Privacy page
- Contact page
- Address / phone / e-mail / fax / organization name /
Technical issues:
- Page load time
- Language (PHP, HTML, CCS etc)
- Software / script website use
- Website structure (folders, pages, linking)
- URL structure
- IP
- Programming mistakes
- 404
- Redirects
Media and Social Media Presence:
- Appearance on media websites (news, articles)
- Appearance in social networks
- Social bookmarking
- RSS feed subscribers - ?????
- Alexa, Technorati rank - ?????
- Yellow Books, Google Maps - ?????
Online behavior:
- Human review if appeared on popular keywords
- Buying / selling links without “nofollow”
- Fast link building
- Link similarity with another site
- Forum, blog, comment field spam
- Usage of duplicate content
- Unlimited link exchange (reciprocal linking)
- Banned before
- Linking adult, illegal, banned, poor quality websites
- Adult, illegal, abusive content
- Scam
- Anchor spamming
- Backlinks from link farms
- Reported by user
- Legal issues (branding, trademark, privacy)
- Rude words and abuse in content
- Cloacking
- Hiding content in background
- MacAfree SiteAdvisor reports (red flag)
If I find more information about Google algorithms it will be posted on this page right away.
Source: http://www.techwebmedia.com/2007/12/28/google-algorithm/
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