# What does Yesim use?

Yesim (yesim.app) shows public evidence of 24 tools, according to runsonwhat (last checked 2026-11-12).

- Industry: Telecommunications
- Based in: Switzerland
- Founded: 2019

## Edge & Hosting

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Cloudflare](https://www.runsonwhat.com/reverse/cloudflare) | CDN & Edge | Website code |  |
| [Amazon Web Services](https://www.runsonwhat.com/reverse/aws) | Hosting & Cloud | Website code |  |
| [Amazon Route 53](https://www.runsonwhat.com/reverse/route53) | DNS | DNS records |  |
| [Amazon CloudFront](https://www.runsonwhat.com/reverse/cloudfront) | CDN & Edge | Website code |  |
| [Bunny.net](https://www.runsonwhat.com/reverse/bunny) | CDN & Edge | Custom domain |  |

## Application

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [React](https://www.runsonwhat.com/reverse/react) | Frontend | Website code |  |
| [Next.js](https://www.runsonwhat.com/reverse/nextjs) | Frontend | Website code |  |
| [PayPal](https://www.runsonwhat.com/reverse/paypal) | Payments & Billing | 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 |  |

## Go-to-market

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Meta Pixel](https://www.runsonwhat.com/reverse/meta-pixel) | Ads & Pixels | Website code |  |
| [Microsoft Ads](https://www.runsonwhat.com/reverse/bing-ads) | Ads & Pixels | Website code |  |
| [TikTok Pixel](https://www.runsonwhat.com/reverse/tiktok-pixel) | Ads & Pixels | Website code |  |
| [Zendesk](https://www.runsonwhat.com/reverse/zendesk) | Support & Docs | Email records, Website code |  |
| [X Ads](https://www.runsonwhat.com/reverse/x-ads) | Ads & Pixels | Website code |  |
| [Reddit Ads](https://www.runsonwhat.com/reverse/reddit-ads) | Ads & Pixels | Website code |  |
| [Trustpilot](https://www.runsonwhat.com/reverse/trustpilot) | Marketing | Email records |  |
| [Amazon Advertising](https://www.runsonwhat.com/reverse/amazon-advertising) | Ads & Pixels | Website code |  |
| [Snap Pixel](https://www.runsonwhat.com/reverse/snap-pixel) | Ads & Pixels | Website code |  |

## Company Ops

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Microsoft 365](https://www.runsonwhat.com/reverse/microsoft-365) | Workspace | DNS verification records |  |
| [Google Workspace](https://www.runsonwhat.com/reverse/google-workspace) | Workspace | Email records, Website code |  |
| [SendGrid](https://www.runsonwhat.com/reverse/sendgrid) | Email Delivery | Email records, Website code |  |
| [Atlassian](https://www.runsonwhat.com/reverse/atlassian) | Dev Tools | DNS verification records |  |

## FAQ

### What tools does Yesim use?

As of November 2026, runsonwhat has found 24 tools at Yesim (yesim.app) in public records. Edge & Hosting: Cloudflare, Amazon Web Services and Amazon Route 53. Application: React, Next.js and PayPal. Data & Observability: Google Analytics and Google Tag Manager. Go-to-market: Meta Pixel, Microsoft Ads and TikTok Pixel. Company Ops: Microsoft 365, Google Workspace and SendGrid. Last checked November 12, 2026.

### What cloud does Yesim run on?

Yesim uses Amazon Web Services for hosting and cloud infrastructure, according to runsonwhat (November 2026). runsonwhat found Amazon Web Services through Amazon Web Services code on yesim.app. Amazon Web Services is used by 147,595 companies runsonwhat tracks.

### What email provider does Yesim use?

Yesim uses Microsoft 365 for email and office software, alongside Google Workspace, according to runsonwhat (November 2026). runsonwhat found Microsoft 365 through a DNS verification record for Microsoft 365. Microsoft 365 is used by 735,958 companies runsonwhat tracks.

### What does Yesim use for customer support?

Yesim uses Zendesk for customer support and documentation, according to runsonwhat (November 2026). runsonwhat found Zendesk through email records that authorize Zendesk and code on yesim.app. Zendesk is used by 43,742 companies runsonwhat tracks.

### What payment provider does Yesim use?

Yesim uses PayPal for payments and billing, according to runsonwhat (November 2026). runsonwhat found PayPal through PayPal code on yesim.app. PayPal is used by 35,157 companies runsonwhat tracks.

### What analytics tools does Yesim use?

Yesim uses Google Analytics for analytics, alongside Google Tag Manager, according to runsonwhat (November 2026). runsonwhat found Google Analytics through Google Analytics code on yesim.app. Google Analytics is used by 904,009 companies runsonwhat tracks.

### Does Yesim use Cloudflare?

Yes. runsonwhat found Cloudflare at Yesim through Cloudflare code on yesim.app. Cloudflare is a CDN & Edge tool used by 734,854 companies runsonwhat tracks.

### How does runsonwhat know what Yesim uses?

runsonwhat reads public records only. Of the 24 tools at Yesim, 15 were found through code on yesim.app, 4 through DNS records, 4 through email records and 1 through subdomains that point at the vendor. A tool is listed only when a direct record backs it up; DNS is rechecked weekly and yesim.app about monthly.


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Source: runsonwhat, https://www.runsonwhat.com/company/yesim.app (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.