Summit has quietly replaced conference as the preferred word for a technology event. It suggests seniority, smaller rooms, and decisions being made, which is what organisers want attendees to expect and what sponsors are paying for.
Techsummit.net is the plain name for that format. It fits an event series, a listings and calendar site, an organiser’s brand, or a media operation covering the circuit. For a recurring event, having the category name as the address is the strongest possible position, because people who half-remember your event will find you.
The .net works well for an event because attendees arrive through registration links, email, and search rather than by typing a guess. What the name provides is instant recognition in a crowded inbox.
Two short words, ten characters, no hyphen, no ambiguity. The word tech is doing efficient work, covering an entire industry in four letters.
The name is listed. Offers considered.