URL - Uniform Resource Locator is used to identify or access the web page on internet
.JPG and .JPEG are more compact file than .GIF because .JPG and .JPEG are simple image which not animated.
HTTP Hyper Text Transfer Protocol is used to transfer the hypertext document from server to client.
HTML Tags are basic element which describe the layout of content in browser.
RGB (Red,Green,Blue) are the primary color for Computer as well as for HTML.
The GIF format uses LZW compression, which is a lossless compression method. However, because GIF files are limited to 256 colors, optimizing an original 24‑bit image as an 8‑bit GIF can subtract colors from an image.
Responsive web design approach is used to design a website which is compatible with different devices.