Internet Acronyms


The NZS.nz Internet Acronyms resource contains a list of common internet, online, marketing, business, advertising and programming acronyms and abbreviations.

Looking for a list of internet acronyms and abbreviations? You’ve found it! Find the five top online acronyms that you might not already know the meaning of, plus a list of other common computer, marketing and programming acronyms.

The Five Most Popular Online Acronyms (That You Might Not Already Know)

SEO – Search Engine Optimisation. The use of organic (non-paid) methods of increasing the rank of pages within search engines such as Google.

SEM – Search Engine Marketing. The use of paid methods to increase traffic via search engines, such as sponsored advertising links.

CPC – Cost per Click. The amount a party receives in revenue from a user clicking on an advertisement on that party’s website.

HTML – HyperText Markup Language. The technical make-up of standard a text and image website.

HTTP – HyperText Transfer Protocol. The set of rules governing the software that transfers information over the internet.

Business Relationship Acronyms

ASP – Application Service Provider
B2B – Business to Business
B2C – Business to Consumer
CRM – Customer Relationship Management

Marketing/Advertising Acronyms

CPA – Cost Per Action
CPS – Cost Per Sale
CTR – Click-Through Rate
CPM – Cost Per Thousand
PFI – Pay For Inclusion
PFP – Pay For Performance
PPC – Pay Per Click
PPL – Pay Per Lead
PPS – Pay Per Sale
PV – Page View
RON – Run Of Network
ROS – Run Of Site
SERP – Search Engine Results Page
SERM – Search Engine Optimisation Management
ORM – Online Reputation Management
SMO – Social Media Optimisation
ROI – Return on Investment
CR – Conversion Rate / Ratio
CTR – Click-Through Rate / Ratio
TLD – Top Level Domain

Application/Programming Acronyms

IM – Instant Messaging
SE – Search Engine
ASCII – American Standard Code for Information Interchange
CGI – Common Gateway Interface
CSS – Cascading Style Sheets
XHTML – Extensible Hypertext Markup Language
DHTML – Dynamic HyperText Markup Language
SSI – Server Side Include
API – Application Programming Interface
AJAX – Asynchronous JavaScript and XML

General Acronyms Used Online

FAQ – Frequently Asked Questions
USP – Unique Selling Proposition