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SEO Acronyms & Abbreviations (Full A-Z List)

SEO acronyms and abbreviations are important terms that everyone who is interested in search engine optimization should know.

People in the SEO industry often use short words and phrases to represent important jargon and meanings that are common among search engine experts.

And if you want to be well-prepared throughout your SEO career and understand the details of SEO news updates, then this complete list of SEO abbreviations and acronyms is a good place to find out what they all mean.

Below, you’ll find the most common SEO terms, definitions, and slang on search engine optimization in alphabetical order. So read through them all one by one if you’re new to the industry or scan through the list to find a particular acronym or abbreviation you need the SEO meaning for right now.

When you’re done here, you may also want to read my introduction guide on what is SEO to get an in-depth understanding of the topic.

I also have a good SEO roundup collection and SEO case study examples to learn more about search engine optimization to rank your content higher on Google.

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SEO Acronyms and Abbreviations List

Numbers

AcronymMeaning
200The request has succeeded and is being processed
201The request is successful and as a result, a resource has been created
202The request has been accepted for processing, but the processing has not been completed
301Resource Moved Permanently (A permanent redirect code to a new domain or location)
302Resource Moved Temporarily (A temporary redirect code to a new domain or location)
401Unauthorized Access to Resource (requires authentication)
403Forbidden (Access not allowed – the server understood the request but refuses to fulfill it)
404Resource not found
503The server is unavailable (usually a temporary response due to overloading or maintenance)

A

AcronymMeaning
AJAXAsynchronous Javascript and XML
ALTAlternative Text Attribute
AOVAverage order value
APIApplication Program Interface
ARAugmented reality
ASArticle Submission
ASPApplication service provider
ASP.NETA program that runs inside IIS which allows web programmers to build dynamic websites on Microsoft servers
ATDAgency trading desk
AVAltaVista

B

AcronymMeaning
B2BBusiness to Business
B2CBusiness to Consumer
BHBlack Hat
BHWBlack Hat world
BLBacklink
BRBounce rate

C

AcronymMeaning
ccTLDcountry code top-level domain
CAPTCHACompletely Automated Public Turing Test to Tell Computers and Humans Apart
CFCitation flow
CGICommon Gateway Interface
CLVCustomer lifetime value
CMSContent Management System
COACost of Acquisition
CPACost Per Acquisition
CPCCost per Click
CPICost Per Impression
CPLCost Per Lead
CPMCost Per Thousands
CPOCost Per Order
CPVCost Per View
CRConversion rate
CRMCustomer relationship management
CROConversion Rate Optimization
CSEComparison Shopping Engine/Custom Search Engine
CSSCascading Style Sheets
CTACall to Action
CTRClick Through Rate
CXCustomer experience

D

AcronymMeaning
DCData Center
DFOData Feed Optimization
DKIDynamic Keyword Insertion
DLPDirectory Listings Page
DLRDeep Link Ratio
DMCADigital Millennium Copyright Act
DMOZDirectory – Mozilla
DMPData management platform
DNSDomain name system
DRDomain Ranking
DRDirect response
DSDirectory Results Pages
DRPsDirectory Submission
DSPDemand-side platform
DSRPDirectory Search Results Page

E

AcronymMeaning
ECPCEnhanced Cost Per Click
EMDExact Match Domain
EPCEarnings per click
EPMEarnings per thousand
ERDEducation referring domains
ESPEmail service provider

F

AcronymMeaning
FBMLFacebook Markup Language
FCPFrequently Cached Page
FFAFree For All Pages
FTPFile transfer protocol

G

AcronymMeaning
G+Google Plus
GAGoogle Analytics
GAPGoogle Advertising Professional
GASGuaranteed Article Submission
GDSGuaranteed Directory Submission
GISGoogle Image Search
GIYGoogle It Yourself
GRDGovernment referring domains
GSCGoogle Search Console
GTMGoogle Tag Manager
GUIGraphical user interface
GWTGoogle Webmaster Tools
GYMGoogle Yahoo MSN

H

AcronymMeaning
H1Level 1 heading markup
H2Level 2 heading markup
H3Level 3 heading markup
H4Level 4 heading markup
H5Level 5 heading markup
HrefHypertextReference
HTMLHypertext Markup Language
HTTPHyperText Transfer Protocol
HTTPSHypertext Transfer Protocol Secure

I

AcronymMeaning
IBLIn Bound Links
IDFInverse Document Frequency
IFTTTIf this than that
IMInternet Marketing
IPInternet Protocol (Address)
ISPInternet Service Providers

J

AcronymMeaning
JGIJust Google It

K

AcronymMeaning
KDKeyword Density
KDAKeyword Density Analyzer
KEIKeyword Effectiveness Index

L

AcronymMeaning
LBLink Building
LPOLanding Page Optimization
LSALatent Semantic Analysis
LSEOLocal SEO
LSILatent Semantic Indexing
LTKWLong Tail keyword
LTVLifetime value

M

AcronymMeaning
MCPModerately Cached Page
MFAMade For Advertising
MQLMarketing qualified Lead
MTOMeta Tags Optimization
MVTMultivariate testing

N

AcronymMeaning
NAPName Address Phone Number
NSEONegative SEO

O

AcronymMeaning
OBLOutbound Link
ODPOpen Directory Project
ORMOnline Reputation Management
OSOperating system (sometimes this is used for ‘open source’)
OSEOpen Site Explorer
OWBLOne Way Back Link

P

AcronymMeaning
P4PPaid For Placement
PBNPrivate Blog Network
PDFPortable Document Format
PFIPay For Inclusion
PFLPaid For Listings
PFPPay for Performance
PHPHypertext Preprocessor
PPCPay Per Click
PPCSEPay Per Click Search Engine
PPLPay Per Lead
PPRPay Per Rank
PPSPay Per Sale
PRPress Release
PRPage Rank
PVPageviews

Q

AcronymsMeaning
QAQuality assurance
QSQuality score

R

AcronymMeaning
RDReferring Domains
RFIRequest for information
RIRegular index
RMReputation management
ROIReturn on Investment
RONRun of network
RORRuby on Rails
ROSRun of site
RSSReally Simple Syndication or Rich Site Summary
RTDReal time data
RTLRegional Long Tail

S

AcronymsMeaning
SaaSSoftware as a service
SBSocial Bookmarking
SDSemantic Distance
SESearch Engine
SEMSearch Engine Marketing
SEOSearch engine optimisation
SEOsSearch Engine Optimization Performance
SEPSearch Engine Positioning
SERSearch Engine Ranking
SERMSearch Engine Results Management
SERPSearch Engine Results Page
SESSearch Engine Strategies
SEWSearch Engine Watch
SISupplemental Index
SLAService level agreement
SMBSmall and Medium Businesses
SMEsSmall And Medium-Sized Enterprises
SMMSocial Media Marketing
SMOSocial media optimisation
SMPSocial media platform
SNSSocial Networking Service
SQLSales qualified lead
SRMSearch Reputation Management
SSIServer Side Includes
SSLSecure Sockets Layer
SSPSupply-side platform
STWSearch The Web
SWLSiteWide Link

T

AcronymMeaning
TBPRToolbar PageRank
TFTrust Flow
TF-IDFTerm frequency-inverse document frequency
TLDTop level domain
TLPTop Level Page
TOSTerms of service
TRTrust Rank
TSETSBThe Search Engine That Spam Built
TTFTopical Trust Flow

U

AcronymMeaning
UCDUser-centric design
UIUser interface
URUrl Ranking
URLUniform Resource Locator
USPUnique Selling Point
USPUnique selling proposition
UTMUrchin Tracking Module
UVUnique visitor
UXUser experience

V

AcronymMeaning
VAVirtual Assistant
VIPSVisual-block Page Segmentation
VODVideo on demand

W

AcronymMeaning
W3CWorld Wide Web Consortium
WHWhite Hat
WMTWeb Master Tools
WMWWebmaster World
WOMMWord of mouth marketing
WWWWorld Wide Web
WYSIWYGWhat you see is what you get

X

AcronymMeaning
XHTMLExtensible HyperText Markup Language
XMLExtensible Markup Language

Y

AcronymMeaning
Y!Yahoo!
Y2KYear Two Thousand
YOYYear on year
YTDYear to date

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SEO Abbreviations and Acronyms Summary

I hope you enjoyed this list of SEO acronyms and SEO abbreviations.

As you get deeper into your SEO career, you’ll find more and more people using these search engine optimization terms and jargon in their communications with each other.

Additionally, many of these terms apply across other businesses and industries outside of SEO. Therefore, it’s good to learn the most common SEO meanings so you can communicate properly with other marketers as an SEO specialist.

SEO Acronyms & Abbreviations