If you're set on HTML5 jobs in Ludwigsburg, there aren't very many at the current time: we count 6. Maybe, you could try slightly farther afield. Frontend Development and Web Design are at the current time the most sought after subcategories for this sector.
Unfortunately for those looking for an intern in the area of HTML5, companies in this area are mainly hiring experienced job seekers. Although startups are a rising trend, there aren't any currently advertising for HTML5. Some areas use recruiters more than others. This sector is one of them, where 2 out of 6 are recruiters. If you wish, you can adapt your Jobspotting filters to exclude those. Can't find a job offer that works for you? Try out Jobspotting to have it find you!