CCSD21's tech stack
What does CCSD21 use?
CCSD21 (ccsd21.org) uses at least 16 tools we can see from public records, including Postmark for email delivery, KnowBe4 for security, Anthropic for AI and Google Workspace for email and documents. Last checked .
- Industry
- Primary/secondary Education
- Size
- 201–1,000 employees
- Based in
- Wheeling, United States
- Founded
- 1948
- Company page
- Tools found
- 16
- Categories
- 11
- Layers
- 5 of 5
- Last checked
- Nov 2026
CCSD21's stack, layer by layer
Of 16 tools, 7 came from website code, 4 from DNS verification records, 4 from email records and 1 from other records. 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
5 tools, what the product is built with
Data & Observability
1 tool, what they measure and store
Analytics
Go-to-market
4 tools, how they find and keep customers
Website & CMS
Company Ops
5 tools, what the team runs on day to day
Email Delivery
Collaboration
Security & Compliance
CCSD21 tech stack FAQ
What tools does CCSD21 use?
As of November 2026, runsonwhat has found 16 tools at CCSD21 (ccsd21.org) in public records. Edge & Hosting: Cloudflare. Application: jQuery, Google Fonts and Font Awesome. Data & Observability: Google Analytics. Go-to-market: WordPress, Yoast SEO and Mailchimp. Company Ops: Google Workspace, Apple Business and KnowBe4. Last checked November 3, 2026.
What email provider does CCSD21 use?
CCSD21 uses Google Workspace for email and office software, alongside Apple Business, according to runsonwhat (November 2026). runsonwhat found Google Workspace through email records that authorize Google Workspace and code on ccsd21.org. Google Workspace is used by 417,519 companies runsonwhat tracks.
What analytics tools does CCSD21 use?
CCSD21 uses Google Analytics for analytics, according to runsonwhat (November 2026). runsonwhat found Google Analytics through Google Analytics code on ccsd21.org. Google Analytics is used by 904,478 companies runsonwhat tracks.
What is CCSD21's website built with?
CCSD21 uses WordPress for its website, alongside Yoast SEO, according to runsonwhat (November 2026). runsonwhat found WordPress through WordPress code on ccsd21.org. WordPress is used by 606,855 companies runsonwhat tracks.
What marketing software does CCSD21 use?
CCSD21 uses Mailchimp for marketing, according to runsonwhat (November 2026). runsonwhat found Mailchimp through email records that authorize Mailchimp. Mailchimp is used by 118,529 companies runsonwhat tracks.
Does CCSD21 use jQuery?
Yes. runsonwhat found jQuery at CCSD21 through jQuery code on ccsd21.org. jQuery is a Frontend tool used by 928,054 companies runsonwhat tracks.
Does CCSD21 use AI tools?
Yes. runsonwhat has found Anthropic at CCSD21; Anthropic, for example, through a DNS verification record for Anthropic. AI services called only from servers leave no public trace, so CCSD21 may use more AI tools than these.
How does runsonwhat know what CCSD21 uses?
runsonwhat reads public records only. Of the 16 tools at CCSD21, 7 were found through code on ccsd21.org, 5 through DNS records and 4 through email records. A tool is listed only when a direct record backs it up; DNS is rechecked weekly and ccsd21.org 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.