# What does OK KLIENT a.s. use?

OK KLIENT a.s. (okklient.cz) shows public evidence of 9 tools, according to runsonwhat (last checked 2026-11-10).

- Industry: Financial Services
- Size: 201–1,000 employees
- Based in: Brno, Czechia
- Founded: 2009
- LinkedIn: https://www.linkedin.com/company/ok-klient

## Edge & Hosting

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Cloudflare](https://www.runsonwhat.com/reverse/cloudflare) | CDN & Edge | Website code |  |
| [Vercel](https://www.runsonwhat.com/reverse/vercel) | Hosting & Cloud | DNS records, Website code |  |

## Application

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [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 |  |
| [Mux](https://www.runsonwhat.com/reverse/mux) | Media & UI | Website code |  |

## Data & Observability

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Vercel Analytics](https://www.runsonwhat.com/reverse/vercel-analytics) | Analytics | Website code |  |

## Company Ops

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [SparkPost](https://www.runsonwhat.com/reverse/sparkpost) | Email Delivery | Custom domain, Email records, Website code |  |

## Recent changes at OK KLIENT a.s.

- 2026-11-10: stopped using [llms.txt](https://www.runsonwhat.com/reverse/llms-txt)

## FAQ

### What tools does OK KLIENT a.s. use?

As of November 2026, runsonwhat has found 9 tools at OK KLIENT a.s. (okklient.cz) in public records. Edge & Hosting: Cloudflare and Vercel. Application: React, Tailwind CSS and Next.js. Data & Observability: Vercel Analytics. Company Ops: SparkPost. Last checked November 10, 2026.

### What cloud does OK KLIENT a.s. run on?

OK KLIENT a.s. uses Vercel for hosting and cloud infrastructure, according to runsonwhat (November 2026). runsonwhat found Vercel through DNS records that point at Vercel and code on okklient.cz. Vercel is used by 53,525 companies runsonwhat tracks.

### What analytics tools does OK KLIENT a.s. use?

OK KLIENT a.s. uses Vercel Analytics for analytics, according to runsonwhat (November 2026). runsonwhat found Vercel Analytics through Vercel Analytics code on okklient.cz. Vercel Analytics is used by 8,324 companies runsonwhat tracks.

### Does OK KLIENT a.s. use Cloudflare?

Yes. runsonwhat found Cloudflare at OK KLIENT a.s. through Cloudflare code on okklient.cz. Cloudflare is a CDN & Edge tool used by 735,287 companies runsonwhat tracks.

### Has OK KLIENT a.s. changed tools recently?

Yes. On runsonwhat's rechecks, OK KLIENT a.s. stopped using llms.txt (latest on November 10, 2026). A change counts only between two checks of okklient.cz done the same way.

### Which companies have a tech stack similar to OK KLIENT a.s.'s?

The companies with the stacks most like OK KLIENT a.s.'s are Bill360, Columbus Park Trattoria, Daniel Boulud and Granger, according to runsonwhat (November 2026). Each shares 2 to 8 tools with OK KLIENT a.s., and rare tools count for more than common ones like Google Workspace, so the match reflects real stack choices.

### How does runsonwhat know what OK KLIENT a.s. uses?

runsonwhat reads public records only. Of the 9 tools at OK KLIENT a.s., 6 were found through code on okklient.cz, 2 through DNS 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 okklient.cz about monthly.


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Source: runsonwhat, https://www.runsonwhat.com/company/okklient.cz (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.