200+ SEO Abbreviations and Acronyms You Should Know

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Last Updated on November 5th, 2020

SEO is one of those industries that has way too many acronyms. This can be intimidating if you’re new to SEO or considering giving it a go. Unfortunately, you will have to learn them; there is no way around it. But take heart, once you get started, most of the acronyms are pretty straightforward.

We’ve sat down and come up with a list of over 200 SEO abbreviations and acronyms. Some acronyms will be used in technical or onsite SEO, others might be related to managing a client SEO business, the list is pretty extensive.

As we go about our daily SEO lives and we come across more SEO acronyms, we’ll keep adding them to the list, making this page the most exhaustive and up-to-date list of SEO acronyms online.

A

AcronymMeaning
AJAXAsynchronous Javascript and XML
AOVAverage order value
API  Application Program Interface
ARAugmented reality
AS      Article Submission
ASPApplication service provider
ASP.NETA program that runs insidee IIS which allows web programmers to build dynamic websites on Microsoft servers.
ATDAgency trading desk
AVAltaVista

B

AcronymMeaning
B2BBusiness to Business
B2C
Business to Consumer
BHBlackhat
BHWBlackhat world
BLBacklink
BRBounce rate

C

AcronymMeaning
ccTLDcountry code top-level domain
CAPTCHACompletely Automated Public Turing Test to Tell Computers and Humans Apart
CFCitation flow
CGI      Common Gateway Interface
CLVCustomer lifetime value
CMS      Content Management System
COA      Cost of Acquisition
CPA      Cost Per Acquisition
CPCCost per Click
CPICost Per Impression
CPL    Cost Per Lead
CPM      Cost Per Thousands
CPO    Cost Per Order
CPV      Cost Per View
CRConversion rate
CRMCustomer relationship management
CRO      Conversion Rate Optimization
CSE      Comparison Shopping Engine/Custom Search Engine
CSS      Cascading Style Sheets
CTA      Call to Action
CTRClick Through Rate
CXCustomer experience

 

 

D

AcronymMeaning
DC      



Data Center
 
 
DFO      Data Feed Optimization
DKI      Dynamic Keyword Insertion
DLP      Directory Listings Page
DLR    Deep Link Ratio
DMCA  Digital Millennium Copyright Act
DMOZ    Directory – Mozilla
DMPData management platform
DNSDomain name system
DRDomain Ranking
DRDirect response
DS      Directory Results Pages
DRPs    Directory Submission
DSPDemand-side platform
DSRP    Directory Search Results Page

 

 

E

AcronymMeaning
ECPC    Enhanced Cost Per Click
EMD    Exact Match Domain
EPCEarnings per click
EPMEarnings per thousand
ERDEducation referring domains
ESPEmail service provider

 

 

F

AcronymMeaning
FBML
Facebook Markup Language
FCP    Frequently Cached Page
FFA    Free For All Pages
FTPFile transfer protocol

 

 

G

AcronymMeaning
G+      

Google Plus

GAGoogle Analytics
GAP    Google Advertising Professional
GAS    Guaranteed Article Submission
GDS    Guaranteed Directory Submission
GIS    Google Image Search
GIY    Google It Yourself
GRDGovernment referring domains
GSCGoogle Search Console
GTM    Google Tag Manager
GUIGraphical user interface
GWT    Google Webmaster Tools
GYM    Google Yahoo MSN

 

 

H

AcronymMeaning
H1Level 1 heading markup
H2
Level 2 heading markup
H3Level 3 heading markup
H4Level 4 heading markup
H5Level 5 heading markup
HrefHypertext Reference
HTML  Hypertext Markup Language
HTTP    HyperText Transfer Protocol
HTTPS  Hypertext Transfer Protocol Secure

 

 

I

AcronymMeaning
IBL  In Bound Links

IDF    Inverse Document Frequency
IFTTTIf this than that
IM      Internet Marketing
IP      Internet Protocol (Address)
ISP    Internet Service Providers

 

 

J

AcronymMeaning
JGIJust Google It

 

 

L

AcronymMeaning
LB    Link Building
LPO    Landing Page Optimization
LSA    Latent Semantic Analysis
LSEOLocal SEO
LSI    Latent Semantic Indexing
LTKWLong Tail keyword
LTVLifetime value

 

 

M

AcronymMeaning
MCP    



Moderately Cached Page
MFA    Made For Advertising
MQLMarketing qualified Lead
MTO    Meta Tags Optimization
MVTMultivariate testing

 

 

N

AcronymMeaning
NAPName Address Phone Number
NSEO    Negative SEO

 

 

O

AcronymMeaning
OBL

Outbound Link
ODP    Open Directory Project
ORM    Online Reputation Management
OSOperating system (sometimes this is used for 'open source')
OSE    Open Site Explorer
OWBL  One Way Back Link

 

 

P

AcronymMeaning
P4P    

Paid For Placement
PBNPrivate Blog Network
PDF    Portable Document Format
PFI    Pay For Inclusion
PFL    Paid For Listings
PFP    Pay for Performance
PHP    Hypertext Preprocessor
PPCPay Per Click
PPCSEPay Per Click Search Engine
PPL  Pay Per Lead
PPR    Pay Per Rank
PPSPay Per Sale
PRPress Release
PR    Page Rank
PVPageviews

 

 

Q

AcronymsMeaning
QAQuality assurance
QSQuality score

 

 

R

AcronymMeaning
RDReferring Domains
RFI
Request for information
RIRegular index
RMReputation management
ROI    Return on Investment
RONRun of network
RORRuby on Rails 
ROSRun of site
RSS    Really Simple Syndication or Rich Site Summary
RTDReal time data
RTL    Regional Long Tail

 

 

S

AcronymsMeaning
SaaSSoftware as a service
SB      


Social Bookmarking
SDSemantic Distance
SE      Search Engine
SEM    Search Engine Marketing
SEOSearch engine optimisation
SEOs    Search Engine Optimization Performance
SEP    Search Engine Positioning
SER    Search Engine Ranking
SERM    Search Engine Results Management
SERP    Search Engine Results Page
SES    Search Engine Strategies
SEW    Search Engine Watch
SI      Supplemental Index
SLAService level agreement
SMB    Small and Medium Businesses
SMEs  Small And Medium-Sized Enterprises
SMM    Social Media Marketing
SMOSocial media optimisation
SMPSocial media platform
SNSSocial Networking Service
SQLSales qualified lead
SRM    Search Reputation Management
SSI    Server Side Includes
SSLSecure Sockets Layer
SSPSupply-side platform
STW    Search The Web
SWL    SiteWide Link

 

 

T

AcronymMeaning
TBPR    
Toolbar PageRank
TF
Trust Flow
TF-IDFTerm frequency-inverse document frequency
TLDTop level domain
TLPTop Level Page
TOSTerms of service
TRTrust Rank
TSETSB  The Search Engine That Spam Built
TTFTopical Trust Flow

 

 

U

AcronymMeaning
UCD
User-centric design
UIUser interface
URUrl Ranking
URL    Uniform Resource Locator
USPUnique Selling Point
USPUnique selling proposition
UTMUrchin Tracking Module
UVUnique visitor
UXUser experience

 

 

V

AcronymMeaning
VA


Virtual Assistant


VIPS    Visual-block Page Segmentation
VODVideo on demand

 

 

W

AcronymMeaning
W3C    World Wide Web Consortium
WHWhitehat
WMTWeb Master Tools
WMW    Webmaster World
WOMM Word of mouth marketing
WWWWorld Wide Web
WYSIWYGWhat you see is what you get

 

 

X

AcronymMeaning
XHTML  
Extensible HyperText Markup Language
XML    Extensible Markup Language

 

 

Y

AcronymMeaning
Y!
Yahoo!
Y2K    Year Two Thousand
YOYYear on year
YTDYear to date

 

 

Numbers

AcronymMeaning
301
Resource 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 (server understood the request but refuses to fulfill it))
404Resource (page) not found
503The server is unavailable (usually a temporary response due to overloading or maintenance)

FAQ

What does SEO mean in marketing?

SEO stands for Search Engine Optimization, which defines the actions you would take to make sure your website comes up high in search results for a given keyword.

What is SEO business term?

SEO refers to the techniques and methods used to increase website traffic by improving one’s position on search engines (Google, YouTube, etc).

What does the abbreviation SEO represent?

SEO is the acronym for Search Engine Optimization.

What is the difference between SEO and SEM?

The difference between SEO and SEM is that SEO is a subset of Search Engine Marketing as a whole. SEM extends towards other forms of search engine traffic generation such as paid advertisement.

How much does SEO cost?

The average SEO agency typically charges a monthly retainer of $1000-$2000 per month, while a freelancer might work at a rate of $75 to $125 per hour.

 

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