# What does COS use?

COS (cos.com) shows public evidence of 19 tools, according to runsonwhat (last checked 2026-10-25).

- Industry: Fashion Retail
- Size: 51–200 employees
- Based in: Pahtum Wan, Germany
- Founded: 2007
- LinkedIn: https://www.linkedin.com/company/cos-thailand

## Edge & Hosting

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Akamai](https://www.runsonwhat.com/reverse/akamai) | CDN & Edge | Custom domain, DNS records, Website code |  |

## Application

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Google Fonts](https://www.runsonwhat.com/reverse/google-fonts) | Media & UI | Website code |  |
| [React](https://www.runsonwhat.com/reverse/react) | Frontend | Website code |  |
| [Tailwind CSS](https://www.runsonwhat.com/reverse/tailwind) | Frontend | Website code |  |
| [Next.js](https://www.runsonwhat.com/reverse/nextjs) | Frontend | Website code |  |
| [Anthropic](https://www.runsonwhat.com/reverse/anthropic) | AI | DNS verification records |  |

## Data & Observability

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Datadog](https://www.runsonwhat.com/reverse/datadog) | Monitoring | Website code |  |
| [Akamai mPulse](https://www.runsonwhat.com/reverse/akamai-mpulse) | Monitoring | Website code |  |
| [Tealium](https://www.runsonwhat.com/reverse/tealium) | Data Pipeline | Website code |  |

## Go-to-market

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Meta Pixel](https://www.runsonwhat.com/reverse/meta-pixel) | Ads & Pixels | DNS verification records |  |
| [Microsoft Ads](https://www.runsonwhat.com/reverse/bing-ads) | Ads & Pixels | Website code |  |
| [Pinterest](https://www.runsonwhat.com/reverse/pinterest) | Ads & Pixels | DNS verification records |  |
| [Attentive](https://www.runsonwhat.com/reverse/attentive) | Marketing | Custom domain, Website code |  |
| [SAP Emarsys](https://www.runsonwhat.com/reverse/emarsys) | Marketing | Custom domain |  |

## Company Ops

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Microsoft 365](https://www.runsonwhat.com/reverse/microsoft-365) | Workspace | DNS verification records, Email records, Website code |  |
| [SendGrid](https://www.runsonwhat.com/reverse/sendgrid) | Email Delivery | Email records |  |
| [Valimail](https://www.runsonwhat.com/reverse/valimail) | Security & Compliance | Email records |  |
| [Forter](https://www.runsonwhat.com/reverse/forter) | Security & Compliance | Website code |  |

## FAQ

### What tools does COS use?

As of October 2026, runsonwhat has found 19 tools at COS (cos.com) in public records. Edge & Hosting: Akamai. Application: Google Fonts, React and Tailwind CSS. Data & Observability: Datadog, Akamai mPulse and Tealium. Go-to-market: Meta Pixel, Microsoft Ads and Pinterest. Company Ops: Microsoft 365, SendGrid and Valimail. Last checked October 25, 2026.

### What email provider does COS use?

COS uses Microsoft 365 for email and office software, according to runsonwhat (October 2026). runsonwhat found Microsoft 365 through a DNS verification record for Microsoft 365 and email records. Microsoft 365 is used by 714,911 companies runsonwhat tracks.

### What marketing software does COS use?

COS uses Attentive for marketing, alongside SAP Emarsys, according to runsonwhat (October 2026). runsonwhat found Attentive through a subdomain that points at Attentive and code on cos.com. Attentive is used by 3,340 companies runsonwhat tracks.

### What monitoring tools does COS use?

COS uses Datadog for monitoring, alongside Akamai mPulse, according to runsonwhat (October 2026). runsonwhat found Datadog through Datadog code on cos.com. Datadog is used by 11,548 companies runsonwhat tracks.

### Does COS use Google Fonts?

Yes. runsonwhat found Google Fonts at COS through Google Fonts code on cos.com. Google Fonts is a Media & UI tool used by 814,729 companies runsonwhat tracks.

### Does COS use AI tools?

Yes. runsonwhat has found Anthropic at COS; Anthropic, for example, through a DNS verification record for Anthropic. AI services called only from servers leave no public trace, so COS may use more AI tools than these.

### Which companies have a tech stack similar to COS's?

The companies with the stacks most like COS' are Everlane, VIKTORIA & WOODS, nudelucy and Autopro, according to runsonwhat (October 2026). Each shares 7 to 11 tools with COS, and rare tools count for more than common ones like Google Workspace, so the match reflects real stack choices.

### How does runsonwhat know what COS uses?

runsonwhat reads public records only. Of the 19 tools at COS, 9 were found through code on cos.com, 5 through DNS records, 3 through subdomains that point at the vendor and 2 through email records. A tool is listed only when a direct record backs it up; DNS is rechecked weekly and cos.com about monthly.


---

Source: runsonwhat, https://www.runsonwhat.com/company/cos.com (updated October 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.