1. CSSCascading Style Sheets — CSS is a stylesheet language used to define how a web page written HTML or XHTML should be presented and displayed in a web browser.
  2. DHTMLDynamic HyperText Markup Language — DHTML is the term used when HTML, JavaScript and CSS are used to create animated or interactive web sites.
  3. HTMLHyperText Markup Language — HTML is a tag-based markup language used to create web pages. Every site on the internet uses HTML in some form.
  4. WMLWireless Markup Language — WML is an XML-based markup language for content accessed through a wireless mobile device. Similar to HTML.
  5. XHTMLExtensible HyperText Markup Language — XHTML is a special type of HTML that conforms to the strict rules of XML. This allows for cleaner code and code that can be understood by a wider array of software.
  6. XMLExtensible Markup Language — XML is a general purpose markup language for describing data in a structured manner.
  1. ASP (Microsoft): Active Server Pages — ASP is a server-side scripting language used to add business logic and database interactivity to dynamic websites.
  2. CGICommon Gateway Interface — CGI is a protocol that allows server applications to interact with client web browsers.
  3. JSPJavaServer Pages — JSP is a server-side scripting language used to add business logic and database interactivity to dynamic websites.
  4. PHPPHP Hypertext Preprocessor/Personal Home Page — PHP is a server-side scripting language used to add business logic and database interactivity to dynamic websites.
  5. RoRRuby on Rails — RoR is a web application framework based on the Ruby scripting language. It has been used by several popular Web 2.0 web sites.
  6. SSIServer Side Includes — SSI is a server-side scripting language used primarily to include the contents of one file in another.
  1. ASPApplication Service Provider — An ASP is any business that provides online, Internet-delivered applications to customers.
  2. AWSAmazon Web Services — AWS are a collection of remote application services offered by
  3. RSSReally Simple Syndication — RSS is an XML specification for publishing frequently updated web content to subscribers. RSS is the secret sauce behind blogging.
  4. S3Amazon Simple Storage Service — Amazon S3 is a storage solution that offers unlimited data stored for a small fee through a simple web service interface.
  5. YUIYahoo! User Interface — The YUI library is an open-source JavaScript library for building rich interactive web applications.
  1. CRUDCreate, Read, Update and Delete — CRUD are the four basic functions of any persistent storage system, most commonly a database system.
  2. DBMSDatabase Management System — A DB is a structured collection of data organized to allow for easy retrieval by computer programs using SQL.
  3. SQLStructured Query Language — SQL is a special programming language used to retrieve data from and modify relational database systems.
  1. CRONCommand Run ON — CRON is a scheduling program on most Unix system. It is used to schedule time-sensitive activities for software programs to perform.
  2. IISInternet Information Services — IIS is a set of internet-based services for servers running Microsoft Windows.
  3. VPSVirtual Private Server — A VPS is a partition of a physical server that has the ability to run a separate operating system and reboot itself independently of other VPSs on the same physical server.
  1. FTPFile Transfer Protocol — FTP is a commonly used protocol for transferring files from one computer to another over a network.
  2. HTTPHyperText Transfer Protocol — HTTP is a communications protocol used for transferring data available on the Web.
  3. HTTPSSecure HypterText Transfer Protocol — HTTPS is a variation of HTTP used to specify that the data being transferred is/should be encrypted and secure.
  4. SSHSecure Shell — SSH is a network protocol that allows data to be exchanged over a secure channel between two computers.
  5. SSLSecure Sockets Layer — SSL is a cryptographic protocol used for encrypting sensitive data while being sent through the Internet.
  6. WAPWireless Application Protocol — WAP is an international standard for accessing Internet content on a wireless mobile device.
  1. 508Section 508 — Section 508 is an amendment to the Rehabilitation act of 1973 that requires federal agencies to make their electronic and information technology accessible to people with disabilities. It is commonly used as a standard for accessible web sites.
  2. W3CWorld Wide Web Consortium — The W3C is the international standards organization for the Web.
  3. WAIWeb Accessibility Initiative — The WAI is an initiative enacted by the W3C for improving the accessibility of web pages for people using software other than web browsers (e.g. screen readers).
  4. WCAGWeb Content Accessibility Guidelines — WCAG is a series of web accessibility guidelines published by the WAI.
  1. AJAXAsynchronous JavaScript And XML — AJAX is a web programming technique that uses JavaScript to transparently interact with a web server, eliminating the need to reload a web page to see changes.
  2. DOMDocument Object Model — DOM is a standard object model for representing HTML and XML formats as objects.
  3. JS/ECMAScript: JavaScript — JavaScript is a scripting language used for client-side (web browser) web development.
  1. CRAPContrast, Repetition, Alignment, Proximity — CRAP is a design methodology applied to the design and layout of web pages.
  2. CVSConcurrent Versions System — CVS is a version control system that allows several developers to collaboratively work on a single set of code.
  3. GUIGraphical User Interface — A GUI is a computer interface that allows users to interact with the computer through graphical icons and windows, typically with the aid of a mouse.
  4. SVNSubversion — SVN is a version control system that allows several developers to collaboratively work on a single set of code.
  5. WYSIWYGWhat You See Is What You Get — WYSIWYG is used to describe web development applications in which the authoring environment closely resembles the final output of the program.
  1. CMYKCyan Magenta Yellow Key — RGB is a subtractive color model used by computers to display various colors by subtracting different levels of cyan, magenta, and yellow.
  2. FLAFlash Authoring File — FLA files are the primary authoring output files of Adobe Flash
  3. GIFGraphics Interchange Format — GIF is a popular graphics format most commonly used for graphics in web sites.
  4. JPEGJoint Photographic Experts Group — JPEG is an image compression codec commonly used to encode pictures for the Web.
  5. PNGPortable Network Graphics — PNG is an image format that was developed to replace the aging GIF image format for web sites.
  6. PSDPhotoShop Document — PSD files are the primary authoring output files of Adobe Photoshop.
  7. RGBRed Green Blue — RGB is an additive color model used by computers to display various colors by combining different levels of red, green, or blue.
  8. SVGScalable Vector Graphics — SVG is an XML markup language used to describe two dimensional vector graphics.
  9. SWFSmall Web Format/ShockWave Flash — SWF is a proprietary vector graphics format used to create animations on web sites.
  1. AVSAddress Verification System — AVS is a method of verifying the identity of a person using a credit card to make a purchase online.
  2. CSC/CVV: Card Security Code/Card Verification Value — CSC is a security feature available on most major credit cards that is used to prevent credit card fraud.
  3. MID: Merchant ID — A MID is a unique identifier assigned to companies selling goods and used for billing purposes.
  4. FAQFrequently Asked Questions — FAQ lists are a common support mechanism on many web sites that provides answers to questions that are commonly asked of the company.
  1. CPCCost Per Click — CPC is the amount an advertiser pays every time a user clicks on one of their advertisements in a PPC campaign.
  2. CPMCost Per 1000 Impressions — CPM is the amount an advertiser pays for every 1000 (or, roman numeral “M”) users who view their advertisement on a web page.
  3. CTRClick Through Rate/Ratio — CTR is a measure of the amount of users who click an advertisement as compared to the number of users who see the advertisement.
  4. PPCPay Per Click — PPC is an advertising model used on the Web in which advertisers only pay when a user actually click their advertisement.
  5. PRPageRank — PageRank is an algorithm used to measure the value of a particular document relative to other documents in the same set. Commonly used by search engines to rank web site popularity.
  6. SEOSearch Engine Optimization — SEO is the process of tweaking web sites so that they are more likely to be indexed higher in search engine results.
  7. SERPSearch Engine Results Page — SERP is the listing of web pages returned by a search engine in response to a user search
  1. XSSCross-Site Scripting — XSS is a common web page security vulnerability where an attacker rigs a site they do not own to run malicious code.
  2. CSRFCross-Site Request Forgery — CSRF is a common web page security vulnerability where an attacker poses as an authenticated user to execute actions.
  1. CNAMECanonical Name — A CNAME is an alias of one hostname to another.
  2. DNSDomain Name System — DNS servers as the phone book of the Internet. It translates human-readable hostnames such as into numeric IP addresses used by networking equipment.
  3. DTDDocument Type Definition — DTD is a document used to describe and specify the structure and organization of an XML document.
  4. ICANNInternet Corporation for Assigned Names and Numbers — ICANN is a non-profit organization formed to oversee the management of domain names and IP addresses.
  5. IPInternet Protocol — IP is a protocol for transferring data across a packet-switched network.
  6. SLDSecond-Level Domain — SLD is a domain directly below the TLD. For example. In “”, “solosignal” is the SLD and “.com” is the TLD.
  7. TLDTop-Level Domain — TLD is the last part of any Internet domain name. For example: .com, .net, and .org are all TLDs.
  8. URLUniform Resource Locator — URLs are the addresses used to request files through the Web.
  9. WWWWorld Wide Web — The WWW is the network of interlinked hypertext documents available through the Internet.