Checksum's tech stack
What does Checksum use?
Checksum (checksum.com) uses at least 9 tools we can see from public records, including Microsoft 365 for email and documents, HubSpot for sales, HubSpot CMS for its website and Cloudflare for content delivery. Last checked .
- Industry
- Electrical/electronic Manufacturing
- Size
- 11–50 employees
- Based in
- Arlington, United States
- Founded
- 1987
- Company page
- Tools found
- 9
- Categories
- 9
- Layers
- 4 of 5
- Last checked
- Oct 2026
Checksum's stack, layer by layer
Each tool links to the other companies we've found using it. The label says what kind of public trace gave it away.
Edge & Hosting
1 tool, where the bytes are served from
CDN & Edge
Application
2 tools, what the product is built with
Frontend
Media & UI
Go-to-market
3 tools, how they find and keep customers
Company Ops
3 tools, what the team runs on day to day
Checksum tech stack FAQ
What tools does Checksum use?
As of October 2026, runsonwhat has found 9 tools at Checksum (checksum.com) in public records. Edge & Hosting: Cloudflare. Application: jQuery and Google Fonts. Go-to-market: HubSpot and HubSpot CMS. Company Ops: Microsoft 365, SendGrid and GlobalSign. Last checked October 26, 2026.
What CRM does Checksum use?
Checksum uses HubSpot for its CRM, according to runsonwhat (October 2026). runsonwhat found HubSpot through email records that authorize HubSpot and code on checksum.com. HubSpot is used by 94,525 companies runsonwhat tracks.
What email provider does Checksum use?
Checksum uses Microsoft 365 for email and office software, according to runsonwhat (October 2026). runsonwhat found Microsoft 365 through a DNS verification record for Microsoft 365 and email records. Microsoft 365 is used by 713,736 companies runsonwhat tracks.
What is Checksum's website built with?
Checksum uses HubSpot CMS for its website, according to runsonwhat (October 2026). runsonwhat found HubSpot CMS through a subdomain that points at HubSpot CMS and code on checksum.com. HubSpot CMS is used by 33,383 companies runsonwhat tracks.
Does Checksum use jQuery?
Yes. runsonwhat found jQuery at Checksum through jQuery code on checksum.com. jQuery is a Frontend tool used by 919,499 companies runsonwhat tracks.
How does runsonwhat know what Checksum uses?
runsonwhat reads public records only. Of the 9 tools at Checksum, 3 were found through code on checksum.com, 3 through DNS records, 2 through email records and 1 through subdomains that point at the vendor. A tool is listed only when a direct record backs it up; DNS is rechecked weekly and checksum.com about monthly.
We read public traces only: DNS and email records, certificate logs, website code and published subprocessor lists. A tool is listed when a direct record backs it up, and dropped when a recheck no longer finds it. Is this your company? See how to opt out.