Web Design Glossary

Important terms related to Web Design & Development

GLOSSARY | Offshore Web Design and Development Company in India

Keywords starting with letter "P"

Page Rank

It is the software that calculates the relevance of a webpage to the search keywords entered. The software analyses both the number of incoming links and the ‘quality’ of the referring webpage to generate a relative measurement between 0 (low-relevance) and 10 (high-relevance).

PHP: Hypertext Preprocessor (PHP)

It is an open-source, server-side scripting language. The language can be used to write programs (routines) that output code. When a webpage using PHP is accessed, routines generate the markup to be downloaded to the browser.


it is the smallest unit of display or dots on a computer monitor. The resolution on a computer monitor is measured in dots per inch or pixels per inch.


It is third-party software that extends the capabilities of a computer program.


PNG stands for Portable Network Graphics. It is a bitmap image file format. The PNG format was developed as a patent-free replacement to the GIF format as it has a more efficient compression algorithm than GIF.

Pop-up window, pop-under

It is a new browser window created either by the user clicking a button/link, or automatically: when a webpage is first viewed or is linked away from.

A pop-under is first opened, and then moved behind the content window. The new window is then only visible if the user systematically closes content windows before closing their browser, or if the content windows do not fill the screen.

Portable Network Graphic (PNG)

It is a bitmap image file format.