A web cache is an approach for the temporary storage (caching) of web documents, such as HTML pages and images, to reduce bandwidth usage and server load. The content of a webpage can be stored in a file temporarily so that every time server receives a request, it doesn’t need to process time and again. This is termed as Page Caching.
In this article, we will be going through a simple approach for achieving Page Caching.
Steganography is the art and science of writing hidden message in such a way that no one, apart from the sender and intended recipient, suspects the existence of the message.
In this article, we are implementing Image Steganography using PHP by masking Least Significant Bit (LSB) of RGB value of image pixels.