runsonwhat

o2's tech stack

What does o2 use?

o2 (o2online.de) uses at least 11 tools we can see from public records, including Gainsight for sales, Google Analytics for analytics, Trustpilot for marketing and web-vitals for monitoring. Last checked .

Industry
Telecommunications
Based in
United Kingdom
Founded
2001
LinkedIn
Company page
Re-check liveVisit o2online.de
Tools found
11
Categories
8
Layers
5 of 5
Last checked
Oct 2026

o2'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

1 tool, what the product is built with

Media & UI

Data & Observability

2 tools, what they measure and store

Monitoring

Analytics

Go-to-market

6 tools, how they find and keep customers

Marketing

Ads & Pixels

Sales & CRM

Company Ops

1 tool, what the team runs on day to day

Email Delivery

Companies like o2 also use

Tools common among companies with a similar stack that we haven't found at o2.

Companies with a stack like o2's

Ranked by shared tools, with rare tools counting more.

More Telecommunications companies

Other Telecommunications companies we've checked.

o2 tech stack FAQ

What tools does o2 use?

We've found 11 tools at o2 (o2online.de). Edge & Hosting: Cloudflare. Application: Lottie. Data & Observability: Google Analytics and web-vitals. Go-to-market: Meta Pixel, Google Ads and Microsoft Ads. Company Ops: Mailjet. Last checked October 2, 2026.

What CRM does o2 use?

o2 uses Gainsight for sales and CRM. We found Gainsight through custom domain.

What analytics tools does o2 use?

o2 uses Google Analytics for analytics. We found Google Analytics through website code.

What marketing software does o2 use?

o2 uses Trustpilot for marketing. We found Trustpilot through DNS verification records.

Does o2 use Cloudflare?

Yes. We found Cloudflare at o2 through custom domain and website code. Cloudflare is used by 147,753 companies we track.

How does runsonwhat know what o2 uses?

We read public traces only: o2's DNS and email records, certificate logs, the code its website loads, and published subprocessor lists. A tool is listed only when a direct record backs it up. DNS is rechecked weekly and the website 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.