How many companies use IIS vs LiteSpeed?

10,417 companies use IIS and 34,660 companies use LiteSpeed in our database. LiteSpeed is more widely adopted with 3.3x more companies than IIS.

Can I get a list of companies using both IIS and LiteSpeed?

Yes. AgentData tracks companies using both tools. Sign up free to access the full list with emails, tech stacks, and contacts via CSV or API.

LiteSpeed is used by 34,660companies — 3.3x more than IIS (10,417).

10,417 use IIS34,660 use LiteSpeed

	IIS	LiteSpeed
Companies	10,417	34,660
Category	Web servers	Web servers

Get the full comparison

45,077 companies with emails, tech stacks, and contacts

1,000 lookups · API access · CSV exports

API access

GET /api/v1/tech?name=iis

From the makers of AgentData

DragApp

AI-powered shared inbox, help desk, and team collaboration — inside Gmail. 200K+ users.

HeyHelp

AI email assistant inside Gmail. Drafts, sorts, follows up.

Oneway

All-in-one customer platform — live chat, email, automations, changelogs & roadmaps with AI.

Access technology comparison data programmatically via REST API or MCP.