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.

 Search Engine Optimization can not become exact science because Google (as well as other search engines) keeps it’s formula / algorithm in a secret. We decided to challenge ourself and explain Google Algorithm and what to look at optimizing a website. Our work based on observations, research, reading, discussions, experience, and rankings of a websites we can track.

 Domain Factor:

• Domain regestration age
• Domain history and usage
• Domain name and length
• Brand name and trademark
• gTLD
• Where registered or geographic location

 Inbound Linking (Who Link Who and Backlink Popularity):

• Link age… How long ago it appeared
• Related websites
• Website quality or TrustRank
• Deep links, links to other than homepage pages
• Page straight
• Quantity (not as important as it used to be)
• Type of a website and scripts it’s using (blog, directory, forum, social network…)
• Anchor text
• Surrounding text / content
• Link Position (content, footer, header, side, etc.)
• One-way or link exchange
• Reciprocal linking
• Amount inbound links per page.
• Google PageRank (not as important as it used to be)
•  gTLD (.gov, .com, .mil websites)

Keywords:

• Domain, folder, url
• Header 
• Meta title (keep under 150 chars)
• Meta keywords (keep around 10 keywords per page)
• Meta description (keep under 200 chars)
• Duplications in Meta Tags 
• Position in content
• Page titles
• Anchor text in backlinks

Content:

• Duplication vs. unique content on each
• Grammar mistakes and typos
• Paragraphs and brake tags
• MLS writing style
• Tags and titles
• Content location on the page
• Amount of pages with unique content
• Amount of paragraphs, words, and characters
• Content changes (Google prefers new or updated content)
• Privacy page
• Contact page
• Address, phone number, e-mail, contact forms, company name

 Technical issues:

• Page load time
• Language (PHP, HTML, CCS etc)
• Software, CMS, or script website run
• Website structure (folders, pages, linking)
• URL structure (avoid long URL’s)
• IP address
• 404 pages and redirects

Social Media Presence:

• Appearance on social media websites
• Social bookmarking and sharing 
• RSS feed subscribers (unknown)
• Alexa, Technorati, Compete rank (unknown)
• Yellow Books, Google Maps, or Local Networks (unknown)

 Online Behavior and Red Flags (Google Ban):

• Human review if there any suspicion of spamming index
• Buying / selling links without adding nofollow tag 
• Link similarity with another sites
• Spam in social networks, blogs, forums, etc
• Duplicate content, splogging, copyright issues… 
• Unlimited link exchange (reciprocal linking)
• Domain was banned in the past
• Links to adult, illegal, banned, poor quality websites
• Adult, illegal, abusive, or stolen content
• Scam reports to various agencies
• Anchor (keyword) spamming (When owner is trying to build too many backlinks with the same anchor text) 
• Links from and to link farms
• Complaints submitted to Google
• Legal issues (violation of trademark or copyright laws)
• Offencive language / content
• Cloaking
• Hiding content in background or using CSS
• MacAfree SiteAdvisor reports (red flag)

 We will update this page if we find more information about Google Algorithms.

Related Posts from The Past:

• Shady Web Marketing Tactics by Companies With Big Reputation.
• How to Get Indexed by Google in Less than a Day.
• 7 Components of Total Search Engine Domination for Your Business
• Importance of Image Optimization For Search Engines. Examples of Traffic From Google Image Search.
• Getting the Most Out of Google Maps. How to Improve Appearance, Traffic, Leads, and Sales.