Perl is one of the most widely used languages over the web. I'm going to list a few of them here −
Perl used to be the most popular web programming language due to its text manipulation capabilities and rapid development cycle.
Perl is widely known as "the duct-tape of the Internet".
Perl can handle encrypted Web data, including e-commerce transactions.
Perl can be embedded into web servers to speed up processing by as much as 2000%.
Perl's mod_perl allows the Apache webserver to embed a Perl interpreter.
Perl's DBI package makes web-database integration easy.