"Performance" do not really translate to "Resultat" in Swedish, rather "Prestanda" or "Hastighet". Which is present at row 39 for instance.
Fixed a couple of typos and also the inconsistent naming of performance in Swedish.
Thanks for your PR. Unfortunately we can't merge PRs for translation files. Our translations are managed using Weblate as https://hosted.weblate.org/projects/matomo/
Feel free to suggest your changes there as a guest, or get an account on weblate, to directly submit your changes there.
Thanks!