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List of Acronyms and Abbreviations used in SEO Industry

SEO abbreviations are the short form terms, words, phrase used in search engine optimization (SEO) industry. SEO acronyms are commonly used by the people working in this industry and also by the searchers. SEO acronyms, abbreviations, terms, definitions, slang terms and jargon may not be new for the people working in search marketing industry but it can be of good use for students, training or new entrants in search engine optimization industry. This list will give better understanding of various short terms used in SEO to new users.

We have compiled a complete list of acronyms and abbreviations used by search engine optimization ( SEO) experts, specialist and normal everyday users. We have used boldface for most commonly used terms. This is the place to find SEO abbreviations which you do not know what they mean. However this list still in Beta and in next version we will like to add link to appropriate definition of the term. If you find any new abbreviations please let us know at



AS       Article Submission
API      Application Program Interface


B2B      Business to Business
B2C      Business to Consumer


CPC    	 Cost Per Click
CTR      Click Through Rate
CTA      Content Targeted Advertising
CTA      Call to Action
CPM      Cost Per Thousands
CPA      Cost Per Action
CPA      Cost Per Acquisition
CPL      Cost Per Lead
CPO      Cost Per Order
CRO      Conversion Rate Optimization
CGI      Common Gateway Interface
CMS      Content Management System
CSS      Cascading Style Sheets
CSE      Comparison Shopping Engine/Custom Search Engine
CPV      Cost Per View
CVN      Card Verification Number
COA      Cost of Acquisition
CPW      Cost-per-view (CPV)


DS       Directory Submission
DC       Data Center
DLR      Deep Link Ratio
DKI      Dynamic Keyword Insertion
DLP      Directory Listings Page
DNS      Domain Name Server
DMCA     Digital Millennium Copyright Act
DMOZ     Directory – Mozilla
DFO      Data Feed Optimization
DRPs     Directory Results Pages
DSRP     Directory Search Results Page
DMM     Digital Media Marketing

EMD      Exact Match Domain
ECPC     Enhanced Cost Per Click
ECPC     Enhanced CPC


FFA     Free For All Pages
FCP     Frequently Cached Page


G+      Google Plus
GIS     Google Image Search
GIY     Google It Yourself
GAS     Guaranteed Article Submission
GDS     Guaranteed Directory Submission
GAP     Google Advertising Professional
GTM     Google Tag Manager
GWT     Google Webmaster Tools
GYM     Google Yahoo MSN


HTML    Hypertext Markup Language
HTTP    HyperText Transfer Protocol
HTTPS   Hypertext Transfer Protocol Secure


IM      Internet Marketing
IP      Internet Protocol (Address)
IDF     Inverse Document Frequency
IBL     In Bound Links
ISP     Internet Service Providers
IYP     Internet Yellow Pages


JGI     Just Google It


KDA     Keyword Density Analyzer
KEI     Keyword Effectiveness Index


LB      Link Building
LSA     Latent Semantic Analysis
LSI     Latent Semantic Indexing
LPO     Landing Page Optimization

MTO     Meta Tags Optimization
MCP     Moderately Cached Page
MFA     Made For Advertising


NSEO    Negative SEO


OBL     OutBound Link
OWBL    One Way Back Link
ODP     Open Directory Project
ORM     Online Reputation Management
OSE     Open Site Explorer


PR      Page Rank
PPC     Pay Per Click
PHP     PHP Hypertext Preprocessor
PDF     Portable Document Format
PFI     Pay For Inclusion
PFL     Paid For Listings
P4P     Paid For Placement
PPR     Pay Per Rank
PPV     Pay Per Visitor
PPP     Pay Per Post



ROI     Return on Investment
RI      Regular Index
RSS     Really Simple Syndication or Rich Site Summary
RTL     Regional Long Tail
RTB     Real Time Bidding
PFP     Pay for Performance


SE      Search Engine
SB      Social Bookmarking
SI      Supplemental Index
SEO     Search Engine Optimization
SEOs    Search Engine Optimizers
SEOs    Search Engine Optimization Performance
SEM     Search Engine Marketing
SEP     Search Engine Poisoning
SER     Search Engine Ranking
SMO     Social Media Optimization
SMM     Social Media Marketing
SMB     Small and Medium Businesses
SMEs    Small And Medium-Sized Enterprises
SES     Search Engine Strategies
SERM    Search Engine Results Management
STW     Search The Web
SERP    Search Engine Results Page
SRM     Search Reputation Management
SSI     Server Side Includes
SEW     Search Engine Watch
SEP     Search Engine Positioning
SMX     Search Marketing Expo
SNS     Social Networking Service
SWL     SiteWide Link
SEMPO   Search Engine Marketing Professional Organization


TLP     Top Level Page
TLA     Text Link Ads
TBPR    Toolbar PageRank
TR      Trust Rank
TSETSB  The Search Engine That Spam Built


URL     Uniform Resource Locator
UGC     User Generated Content
UX      User Experience


VS      Video Submission
VIPS    Visual-block Page Segmentation


W3C     World Wide Web Consortium
WMW     Webmaster World


XML     Extensible Markup Language
XHTML   Extensible HyperText Markup Language


Y2K     Year Two Thousand