How many companies use jsDelivr vs SmtpJS?

878,392 companies use jsDelivr and 647 companies use SmtpJS in our database. jsDelivr is more widely adopted with 1357.6x more companies than SmtpJS.

Can I get a list of companies using both jsDelivr and SmtpJS?

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.

jsDelivr is used by 878,392companies — 1357.6x more than SmtpJS (647).

878,392 use jsDelivr647 use SmtpJS

	jsDelivr	SmtpJS
Companies	878,392	647
Category	CDN	Email

Get the full comparison

879,039 companies with emails, tech stacks, and contacts

1,000 lookups · API access · CSV exports

API access

GET /api/v1/tech?name=jsdelivr

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.