Loading Script globally on a website

Question

I have a website that features some sort of plugin that requires a 30-line script. Such plugin is present throughout the site pages (well, by now there are just two), because it is part of the header, which is also identical.

I'd like to know if there's a way to avoid executing that 30-line-long script every time I change from a page to the next, since the header is identical, thus improving loading time. (If you say 30 lines of code is nothing for a browser, then my question will be answered)

Answer 1

Don't worry, the script will be cached by the browser and won't be downloaded again. About 30 lines of code being a lot or not: depends on what those lines do! It's possible to write extremely expensive code with only a few lines, or even a one-liner.