Defelsko's tech stack
What does Defelsko use?
Defelsko (defelsko.com) uses at least 14 tools we can see from public records, including Microsoft 365 for email and documents, Google Analytics for analytics, Webflow for its website and Constant Contact for marketing. Last checked .
- Industry
- Electrical/electronic Manufacturing
- Size
- 51–200 employees
- Based in
- Ogdensburg, United States
- Founded
- 1965
- Company page
- Tools found
- 14
- Categories
- 9
- Layers
- 5 of 5
- Last checked
- Oct 2026
Defelsko'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
3 tools, what the product is built with
Frontend
Media & UI
Data & Observability
2 tools, what they measure and store
Go-to-market
5 tools, how they find and keep customers
Website & CMS
Ads & Pixels
Company Ops
3 tools, what the team runs on day to day
Workspace
Security & Compliance
Defelsko tech stack FAQ
What tools does Defelsko use?
As of October 2026, runsonwhat has found 14 tools at Defelsko (defelsko.com) in public records. Edge & Hosting: Cloudflare. Application: jQuery, Google Fonts and Font Awesome. Data & Observability: Google Analytics and Google Tag Manager. Go-to-market: Google Ads, Webflow and Constant Contact. Company Ops: Microsoft 365, Cloudflare Turnstile and Termly. Last checked October 8, 2026.
What email provider does Defelsko use?
Defelsko uses Microsoft 365 for email and office software, according to runsonwhat (October 2026). runsonwhat found Microsoft 365 through email records that authorize Microsoft 365 and code on defelsko.com. Microsoft 365 is used by 700,596 companies runsonwhat tracks.
What analytics tools does Defelsko use?
Defelsko uses Google Analytics for analytics, alongside Google Tag Manager, according to runsonwhat (October 2026). runsonwhat found Google Analytics through Google Analytics code on defelsko.com. Google Analytics is used by 850,248 companies runsonwhat tracks.
What is Defelsko's website built with?
Defelsko uses Webflow for its website, alongside Weglot, according to runsonwhat (October 2026). runsonwhat found Webflow through a subdomain that points at Webflow and code on defelsko.com. Webflow is used by 34,260 companies runsonwhat tracks.
What marketing software does Defelsko use?
Defelsko uses Constant Contact for marketing, according to runsonwhat (October 2026). runsonwhat found Constant Contact through email records that authorize Constant Contact. Constant Contact is used by 13,471 companies runsonwhat tracks.
Does Defelsko use jQuery?
Yes. runsonwhat found jQuery at Defelsko through jQuery code on defelsko.com. jQuery is a Frontend tool used by 895,811 companies runsonwhat tracks.
How does runsonwhat know what Defelsko uses?
runsonwhat reads public records only. Of the 14 tools at Defelsko, 10 were found through code on defelsko.com, 2 through email records, 1 through DNS 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 defelsko.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.