# What does Celab use?

Celab (celab.se) shows public evidence of 18 tools, according to runsonwhat (last checked 2026-11-10).

- Industry: Telecommunications
- Size: 51–200 employees
- Based in: Kungälv, Sweden
- Founded: 1978
- LinkedIn: https://www.linkedin.com/company/celab-communications-ab

## Application

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Tailwind CSS](https://www.runsonwhat.com/reverse/tailwind) | Frontend | Website code |  |
| [Vue.js](https://www.runsonwhat.com/reverse/vue) | Frontend | Website code |  |
| [Nuxt](https://www.runsonwhat.com/reverse/nuxt) | Frontend | Website code |  |

## Data & Observability

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Google Analytics](https://www.runsonwhat.com/reverse/ga) | Analytics | Website code |  |
| [Google Tag Manager](https://www.runsonwhat.com/reverse/gtm) | Analytics | Website code |  |
| [Sentry](https://www.runsonwhat.com/reverse/sentry) | Monitoring | Website code |  |

## Go-to-market

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Google Ads](https://www.runsonwhat.com/reverse/google-ads) | Ads & Pixels | Website code |  |
| [LinkedIn Insight Tag](https://www.runsonwhat.com/reverse/linkedin-insight) | Ads & Pixels | Website code |  |
| [Microsoft Ads](https://www.runsonwhat.com/reverse/bing-ads) | Ads & Pixels | Website code |  |
| [Mailchimp](https://www.runsonwhat.com/reverse/mailchimp) | Marketing | Email records |  |

## Company Ops

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Microsoft 365](https://www.runsonwhat.com/reverse/microsoft-365) | Workspace | DNS verification records, Email records |  |
| [SendGrid](https://www.runsonwhat.com/reverse/sendgrid) | Email Delivery | Email records |  |
| [Cookiebot](https://www.runsonwhat.com/reverse/cookiebot) | Security & Compliance | Website code |  |
| [Let's Encrypt](https://www.runsonwhat.com/reverse/letsencrypt) | Security & Compliance | DNS records |  |
| [Mailgun](https://www.runsonwhat.com/reverse/mailgun) | Email Delivery | Email records |  |
| [Sectigo](https://www.runsonwhat.com/reverse/sectigo) | Security & Compliance | DNS records |  |
| [DigiCert](https://www.runsonwhat.com/reverse/digicert) | Security & Compliance | DNS records |  |

## Recent changes at Celab

- 2026-11-10: started using [Mailgun](https://www.runsonwhat.com/reverse/mailgun)

## FAQ

### What tools does Celab use?

As of November 2026, runsonwhat has found 18 tools at Celab (celab.se) in public records. Application: Tailwind CSS, Vue.js and Nuxt. Data & Observability: Google Analytics, Google Tag Manager and Sentry. Go-to-market: Google Ads, LinkedIn Insight Tag and Microsoft Ads. Company Ops: Microsoft 365, SendGrid and Cookiebot. Last checked November 10, 2026.

### What email provider does Celab use?

Celab uses Microsoft 365 for email and office software, according to runsonwhat (November 2026). runsonwhat found Microsoft 365 through a DNS verification record for Microsoft 365 and email records. Microsoft 365 is used by 736,659 companies runsonwhat tracks.

### What analytics tools does Celab use?

Celab uses Google Analytics for analytics, alongside Google Tag Manager, according to runsonwhat (November 2026). runsonwhat found Google Analytics through Google Analytics code on celab.se. Google Analytics is used by 904,064 companies runsonwhat tracks.

### What marketing software does Celab use?

Celab uses Mailchimp for marketing, according to runsonwhat (November 2026). runsonwhat found Mailchimp through email records that authorize Mailchimp. Mailchimp is used by 119,260 companies runsonwhat tracks.

### What monitoring tools does Celab use?

Celab uses Sentry for monitoring, according to runsonwhat (November 2026). runsonwhat found Sentry through Sentry code on celab.se. Sentry is used by 80,133 companies runsonwhat tracks.

### Does Celab use Google Ads?

Yes. runsonwhat found Google Ads at Celab through Google Ads code on celab.se. Google Ads is a Ads & Pixels tool used by 540,359 companies runsonwhat tracks.

### Has Celab changed tools recently?

Yes. On runsonwhat's rechecks, Celab started using Mailgun (latest on November 10, 2026). A change counts only between two checks of celab.se done the same way.

### How does runsonwhat know what Celab uses?

runsonwhat reads public records only. Of the 18 tools at Celab, 10 were found through code on celab.se, 5 through DNS records and 3 through email records. A tool is listed only when a direct record backs it up; DNS is rechecked weekly and celab.se about monthly.


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Source: runsonwhat, https://www.runsonwhat.com/company/celab.se (updated November 2026). Counts are companies with direct public evidence of the tool (DNS records, certificates, website code, a real-browser crawl, subprocessor lists), so they are lower bounds. Methodology: https://www.runsonwhat.com/methodology.