In search, ranking is used to describe the relative position of a web page in the SERPs.
RSS allows you to receive/ syndicate this information without requiring you to constantly open new pages in your browser. Also known as a feedreader.
You can use the register storage class when you want to store local variables within functions or blocks in CPU registers instead of RAM to have quick access to these variables. For example, "counters" are a good candidate to be stored in the register.
The return statement is used to terminate the execution of a function and transfer program control back to the calling function. In addition, it can specify a value to be returned by the function.
The ratio of cost to profit.
A file written and stored in the root directory of a website that restricts the search engine spiders from indexing certain pages of the website.