There are a decent number of identification guides for jumping spiders online. It depends a good bit on where you are located in the world though.
You might take a look at this post from a little while ago:
I posted a few spider ID links in there, and there is a lot of good advice in general.
Here’s a link to jumping spiders of SE Asia:
Here’s a general guide to spiders of Europe (you can head to the jumping spider portion:
The spider eye arrangement page is sometimes helpful too:
For some reason the spiders of Europe and Greenland page isn’t opening right now, but maybe it’s just temporarily down: