
Google Search Ranking Factors
The guys at webmasterworld.com decided to collect all the factors that Google takes into account when ranking sites. The official representative stated (at that time) that there are more than 200 of them. While the list looks like this, it is possible that some items include several factors.

Domain
Server
Domain owner
Architecture
Content
Inbound links
Outbound links
Link cluster
Internal links
Sanctions
Search factors
Miscellaneous

Domain
- Domain Age
- Domain History
- Keywords in a domain name
- Subdomain or not
- Domain Location
- IP domain
- IP / Server Location
- Domain Sanctions History
- Keyword in Subdomain Name
- Domain registration using Google local
- Validity of domain registration data
- Alexa Rank
- Compete.com Rank
Server
- Site Inaccessibility
- Long site response
- Uptime server (not only the unavailability of the site but the server as a whole)
Domain owner
- Domain Host Sanctions History
Architecture
- HTML structure
- Using Header Tags
- URL view
- Using external CSS / JS files
- Keyword in Folder Name
- Keyword in URL Parameters
- Keyword in Page File Extension
- Dynamic URLs (= view URL)
- Using SSL
- Using the Google Search Appliance
Content
- Keyword Density
- Keyword in Title Tag
- Keyword in Meta Description (Google declined, I decided to leave it to complete the list)
- Keyword (H, H ...)
- Keyword in the body of the page
- Content Novelty
- Semantic information (phrase-based indexing and co-occurring phrase indicators)
- Taxonomic flag for the main category (transactional, informational, navigation)
- Taxonomy flag for novelty
- Taxonomy flag of a marketing niche
- Keyword closer to the beginning Title
- Keyword closer to the start of hh
- The position of the keywords on the page ( computer help , as an example)
- Keyword synonyms (related words) on a page / site
- alt image tag
- Keyword in the first - words on the page
- URL keyword
- Keyword in the file name
- Keyword in Lists
- Keyword in HTML comments
- Content Change History
- Ratio of code size to content
- HTML validation
- CSS validation
- Availability of advertising
- Availability Adsense
- Google feeds for site feeds
- Site feeds on Google Blog Search
- Number of subscribers
- The presence of images from the site in Google Images
- Using the Google Search Appliance
- Using Google's Hosted Web App
- Delicious data
- StumbleUpon data
- Twitter data
- LinkedIn data
- Facebook data
- Myspace data
- Address (Country / city) in the body of the page
Inbound links
- Website Quality Links
- Link Page Quality
- Site Age
- Page Age
- Page Content Relevance
- Link Location (Basement, Navigation, Body)
- Link Anchor
- Link title attribute
- alt tag image links
- Domain Country
- Importance of the domain (.edu, .gov)
- Server location
- Important sites (CNN, BBC, etc)
- Link from Yahoo! Directory
- Link from DMOZ
- Links from Wikipedia
- Google Knol Articles
- Using Google AdWord
- Comments on the Google SearchWiki
- Links from Google Gmail
- Using a link with a key in the basement (possibly a negative effect)
- Links from forums in the signature (negative impact is possible)
Outbound links
- Links to non-trust sites
- Keyword in the external link from the site
Link cluster
- The uniqueness of a class C address (a mystery to me)
- Keyword in internal link
Internal links
- Lack of internal page links
- Link placement on the page
- Anchor of the first text link
- The ratio of the amount of text in the links to the total text
Sanctions
- Reoptimization
- Purchased links
- Sales links
- Spam comments
- Cloaking
- Hidden text
- Content duplication
- Keyword glut
- Manual sanctions
- Sandbox Effect (? = Domain Age)
- Reoptimization of linking site to increase PR
- Links from banned domains
- With spam sanctioned domain
- Use of blacklisted words in an anchor (buy viagra)
- Title Too Long
- Very long url
- Links from sites of the same registrar
- Redirect
Search factors
- Bounce rate
- Search by domain or brand name
- Page click history from page search
- Domain Search Click History
- Using qualifying queries
- Users from which countries come to the site
Miscellaneous
- Javascript links
- No Follow Links
- Dublin Core Meta Data
- Performance / Download Site
- Speed js