Long ReadHere, usingjoomla.com would like to provide a list of abbreviations that you might see or hear about in your website journey.

The abbreviations and what they stand for are listed here in alphabetical order based on the first letter of the abbreviation.

Some of these abbreviations may not be come across very often, if at all. Others, if you read articles or help forums, you may encounter more often.

Do you need to understand any, or all, of them - not really - but if you want to understand more about what goes on "under the hood" of either Joomla and/or hosting then there may be benefits in developing an understanding.

This list will be updated over time, however if we have missed any out - feel free to let us know.

Some of these abbreviations are used in areas other than web design, web hosting, or associated programming - but because they are exclusively used in these areas or in these areas as well as other areas we have included them here.

Some abbreviations are indirectly associated with web design and web-hosting such as when you manage your domain name, and/or website mail, though when it comes to setting up your website mail I am confident that a good web-host will advise or help you - once you become familiar with the process and terminology.


Numbers UJNumerical index:

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1 2 3 4 5 6 7 8 9 0


Alphabet UJAlphabetical index:

Select a letter to go straight to that lettered section.

A B C D E F G H I J K L M N O P Q R S T U V W X Y Z


1 2 3 . . . Abbreviations beginning with a numeral


1

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2

2LD = 2nd Level Domain (Second Level Domain)
2FA = 2 Factor Authentication
2FA = Two Factor Authentication

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3

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4

4LD = 4th Level Domain
4LD = Fourth Level Domain

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5

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6

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7

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8

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9

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0

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A B C . . . Abbreviations beginning with a letter


A

ACL = Access Control Layer
ACL = Access Control Level
ACSS = Atomic Cascading Style Sheet(s)
ADNS = Authorititave Domain Name Server
AJAX = Asynchronous Javascript And XML
AMP = Accelerated Mobile Pages
API = Application Programming Interface
APL = Address Prefix List
ARIA = Accessible Rich Internet Application
ARPA = Address and Routing Parameter Area
ASCII = American Standard Code for Information Interchange
AWS = Amazon Web Services

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B

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C

CA = Certificate Authority
CAA = Certification Authority Authorisation
CAA = Certification Authority Authorization
CAPTCHA = Completely Automated Public Turing Test (to) Tell Computers (and) Humans Apart
ccNSO = country code Name Supporting Organisation
ccNSO = country code Name Supporting Organization
ccSLD = country code Second Level Domain
ccTLD = country code Top level Domain
CDN = Content Delivery Network
CDN = Content Distribution Network
CDNI = Content Delivery Networks Interconnection
CGDN = Community Geographic Domain Name
CGDNs = Community Geographic Domain Names
CGI = Computer Generated Imagery
CGI = Common Gateway Interface
CLI = Command Line Interface
CNAME = Canonical Name
cPanel = Control Panel
CMS = Content Management System
CORS = Cross-Origin Resource Sharing
CRISP = Cross Registry Information Service Protocol
CRO = Conversion Rate Optimisation
CRO = Conversion Rate Optimization
CSR = Certificate Signing Request
CSRF = Cross Site Request Forgery
CSS = Cascading Style Sheet(s)
CSSOM = Cascading Style Sheet(s) Object Model
CSV = Comma Separated Variable
CTA = Call To Action
CTR = Click Through Rate
CZDS = Centralised Zone Data Service
CZDS = Centralized Zone Data Service

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D

db = DataBase / database
DB = database / database
DBMS = DataBase Management System
DDNS = Dynamic Domain Name Server
DDoS = Distributed Denial of Service
DFI = Direct File Inclusion
DHTML = Dynamic Hyper Text Markup Language
DKIM = Domain Keys Identified Mail
DMCA = Digital Millenium Copyright Act (1988)
Dname = Delegation Name
DNN = DotNetNuke
DNS = Domain Name Server
DNS = Domain Name System
DNS = Domain Name Service
DoS = Denial of Service
DOM = Document Object Model
DS = Delegation Signer
DSS = Data Security Standard
DV SSL = Domain Validated Secure Socket Layer

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E

EPP = Extensible Provisioning Protocol
ETag = Entity Tag
EV SSL = Extended Validation Secure Socket Layer
Exif = Exchangeable image format

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F

FQDN = Fully Qualified Domain Name
FTP = File Transfer Protocol
FTPS = File Transfer Protocol Secure

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G

gccTLD = generic country code Top Level Domain
geoTLD = geographical Top Level Domain
GIF = Graphical Interchange Format
GNU = GNU's Not Unix (Recursive Acronym)
GPL = General Public Licence
grTLD = generic restricted Top Level Domain
(See also: rgTLD)
GSSAPI = Generic Security Service Application Program Interface
gTLD = generic Top Level Domain
GZip = GNU Zip

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H

href = hypertext reference
HINFO = Host Information
HIP = Host Identity Protocol
HSTS = HTTP Strict Transport Security
HTM = Hyper Text Markup
HTML = Hyper Text Markup Language
HTTP = Hyper Text Transfer Protocol
HTTPS = Hyper Text Transfer Protocol Secure

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I

IAB = Internet Architecture Board
IANA = Internet Assigned Numbers Authority
ICANN = Internet Corporation (for) Assigned Names (and) Numbers
ICDN = Internet Content Delivery Network
ICDN = Internet Content Distribution Network
ICDN = Intranet Content Delivery Network
ICDN = Intranet Content Distribution Network
iconv = Internationalisation Conversion
iconv = Internationalization Conversion
IDNA = International Domain Name Application(s)
IDNA = Internationalised Domain Name Application(s)
IDNA = Internationalized Domain Name Application(s)
IDN = Internationalised Domain Name
IDN = Internationalized Domain Name
IESG = Internet Engineering Steering Group
IETF = Internet Engineering Task Force
iframe = inline frame
iFrame = inline frame
IIS = Internet Information Server
IMAP = Internet Message Access Protocol
IP = Internet Protocol
IPS = Internet Provider Security
Context: IPS Tag = Internet Provider Security Tag, used by Nominet to identify the Registrar managing a .uk domain name.
IPv4 = Internet Protocol version 4
IPv6 = Internet Protocol version 6

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J

JCE = Joomla Content Editor
This is the name of a well known Joomla Content Editor provided at JoomlaContentEditor.net
JED = Joomla Extension Directory
JPEG = Joint Photographic Experts Group
js = javascript
JS
= JavaScript
JSAS = Joomla Stand Alone Server
JSON = JavaScript Object Notation

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K

KX = Key Exchanger

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L

LAMP = Linux Apache MySQL PHP / Python / Perl
LDAP = Lightweight Directory Access Protocol
ltr = left to right
LTR = Left To Right
LXC = Linux Container

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M

MAMP = Mac-OS Apache MySQL PHP
MB = MultiByte
MB = MegaByte
mbstring = multibyte string
MFA = Multi Factor Authentication
MIME = Multipurpose Internet Mail Extension
min = minified
Min = Minified
MSSQL = Microsoft Structured Query Language (Microsoft SQL)
MSSQLND = MySQL Native Driver
MUA = Malicious User Agent
MVC = Modal View Controller
MySQL = My* Structured Query Language
( * The name given to the daughter of MySQL's co-founder)
MX = Mail exchange

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N

NAPTR = Naming Authority Pointer
NS = Name Server
NSEC = Name Secure
nTLD = new Top Level Domain
NTLM = New Technology LAN Manager
(LAN = local Area Network)

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O

OAuth = Open Authentication
ODBC = Open DataBase Connectivity
OS = Operating System
OS = Open Source
OV SSL = Organisation Validated Secure Socket Layer
OV SSL = Organization Validated Secure Socket Layer

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P

PCI = Payment Card Industry
PCI DSS = Payment Card Industry Data Security Standard
PCRE = Perl Compatible Regular Expressions
PDDRP = Post Delegation Dispute Resolution Procedure
pdftoppm = Portable Document Format to Portable Pixmap
PHP = Pre Hypertext Processor
(sometimes referred to as: Hypertext Pre-Processor)
PNG = Portable Networks Graphic
POSIX = Portable Operating System Interface
PQDN = Partially Qualified Domain Name

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Q

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R

RAM = Random Access Memory
RDBMS = Relational DataBase Management System
RegEx = Regular Expression(s)
RFI = Remote File Inclusion
rgTLD = restricted generic Top Level Domain
RSS = Really Simple Syndication
rtl= right to left
RTL = Right To left
RZM = Root Zone Management

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S

SCGI = Simple Common Gateway Interface
SCSS = Sass Cascading Style Sheet(s)
SCSS = Sassy Cascading Style Sheet(s)
SEF = Search Engine Friendly
SEF URL = Search Engine Friendly Uniform Resource Locator
SEO = Search Engine Optimisation
SEO = Search Engine Optimization
SEP = Secure Entry Point
SGID = Set Group ID
SIG = Signature
SFTP = Secure File Transfer Protocol
SLD = Second Level Domain
SMTP = Simple Mail Transfer Protocol
SQLi = Structured Query Language injection
SSD = Solid State Drive
SSE = Server Side Encryption
SSH = Secure Shell
SSI = Server Side Includes
SSL = Secure Socket(s) Layer
SSL CSR = Secure Socket(s) Layer Certificate Signing Request
SSPI = Security Support Provider Interface
sTLD = Sponsored Top Level Domain
suid = set-user-id

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T

TKEY = Transaction Key
TLD = Top level Domain
TSIG = Transaction Signature
tTLD = test Top Level Domain(s)
TLS = Transport Layer Security
TLS-SRP = Transport Layer Security - Secure Remote Password
TTB = Top To Bottom
TTFB = Time To First Byte
TTL = Time To Live

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U

UDRP = Universal Domain-Name Resolution Policy
UI = User Interface
URI = Universal Resource Identifier
URL = Uniform Resource Locator
URN = Uniform Resource Name
URSS = Uniform Rapid Suspension System
UTF = Unicode Transformation Format
(For example: UTF-8)
uTLD = unsponsored Top Level Domain

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V

vCDN = virtual Content Delivery Network
vCDN = virtual Content Distribution Network
VEL = Vulnerable Extension(s) List
VPN = Virtual Private Network
VPS = Virtual Private Server

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W

W3C = World Wide Web Consortium
WAF = Web Application Firewall
WAMP = Windows Apache MySQL PHP / Python / Perl
WCAG = Web Content Accessibility Guidelines
WebDAV = Web Distributed Authoring and Versioning
WHM = Web Host Manager
WIPO = World Intellectual Property Organisation
WIPO = World Intellectual Property Organization
WSGI = Web Server Gateway Interface
WWC = World Wide Consortium
WWW = World Wide Web
WYSIWYG = What You See Is What You Get

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X

XAMPP = cross-platform Apache MariaDB PHP / Perl
XHTML = eXtensible Hyper Text Markup Language
XHTTP = eXtended Hyper Text Transfer Protocol
XML = eXtensible Markup Language
XML-RPC = eXtensible Markup Language - Remote Procedure Call
XMLRPC = eXtensible Markup Language Remote Procedure Call
XSS = Cross Site Scripting
XSLT = eXtensible Stylesheet Language Transformation
XST = Cross Site Tracing

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Y

YAML = Yet Another Markup Language
YAML = YAML Ain't Markup Language (Recursive Acronym)

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Z

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