Core's tech stack
What does Core use?
Core (onecore.ie) uses at least 18 tools we can see from public records, including Microsoft 365 for email and documents, Google Analytics for analytics, Squarespace for its website and Sentry for monitoring. Last checked .
- Industry
- Marketing and Advertising
- Size
- 201–1,000 employees
- Based in
- Dublin, Ireland
- Company page
- Tools found
- 18
- Categories
- 12
- Layers
- 5 of 5
- Last checked
- Oct 2026
Core'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
Data & Observability
3 tools, what they measure and store
Monitoring
Go-to-market
4 tools, how they find and keep customers
Website & CMS
Marketing
Ads & Pixels
Company Ops
7 tools, what the team runs on day to day
Collaboration
Security & Compliance
Core tech stack FAQ
What tools does Core use?
As of October 2026, runsonwhat has found 18 tools at Core (onecore.ie) in public records. Edge & Hosting: Cloudflare. Application: jQuery, Google Fonts and OpenAI. Data & Observability: Google Analytics, Google Tag Manager and Sentry. Go-to-market: Google Ads, LinkedIn Insight Tag and Squarespace. Company Ops: Microsoft 365, reCAPTCHA and Apple Business. Last checked October 27, 2026.
What email provider does Core use?
Core uses Microsoft 365 for email and office software, alongside Apple Business and Exclaimer, according to runsonwhat (October 2026). runsonwhat found Microsoft 365 through email records that authorize Microsoft 365 and code on onecore.ie. Microsoft 365 is used by 715,964 companies runsonwhat tracks.
What analytics tools does Core use?
Core uses Google Analytics for analytics, alongside Google Tag Manager, according to runsonwhat (October 2026). runsonwhat found Google Analytics through Google Analytics code on onecore.ie. Google Analytics is used by 889,539 companies runsonwhat tracks.
What is Core's website built with?
Core uses Squarespace for its website, according to runsonwhat (October 2026). runsonwhat found Squarespace through DNS records that point at Squarespace and code on onecore.ie. Squarespace is used by 33,803 companies runsonwhat tracks.
What monitoring tools does Core use?
Core uses Sentry for monitoring, according to runsonwhat (October 2026). runsonwhat found Sentry through Sentry code on onecore.ie. Sentry is used by 79,125 companies runsonwhat tracks.
Does Core use jQuery?
Yes. runsonwhat found jQuery at Core through jQuery code on onecore.ie. jQuery is a Frontend tool used by 921,279 companies runsonwhat tracks.
Does Core use AI tools?
Yes. runsonwhat has found OpenAI at Core; OpenAI, for example, through a DNS verification record for OpenAI. AI services called only from servers leave no public trace, so Core may use more AI tools than these.
How does runsonwhat know what Core uses?
runsonwhat reads public records only. Of the 18 tools at Core, 11 were found through code on onecore.ie, 5 through DNS records and 2 through email records. A tool is listed only when a direct record backs it up; DNS is rechecked weekly and onecore.ie 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.