What programs/scripts/languages is best for a web scraper?

I run a betting website in a specific niche and I wanted to look at the opportunity to add a page where you can get the latest odds from the different bookmakers (about 5 of them) and compare the odds between them.
Now, I have ~0 knowledge in the programming field (I do know much about HTML and CSS though) and have no idea how one would go about creating such a program/script for my website and that is why I am looking to outsource it.
But since I have no idea what goes into making such a…
What programs/scripts/languages is best for a web scraper?

See original post by Melloweitsj