# What does Questax AG use?

Questax AG (questax.com) shows public evidence of 18 tools, according to runsonwhat (last checked 2026-10-09).

- Industry: Staffing and Recruiting
- Size: 201–1,000 employees
- Based in: Heidelberg, Germany
- Founded: 2002
- LinkedIn: https://www.linkedin.com/company/questax

## Edge & Hosting

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

## Application

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [jQuery](https://www.runsonwhat.com/reverse/jquery) | Frontend | Website code |  |
| [Google Fonts](https://www.runsonwhat.com/reverse/google-fonts) | Media & UI | Website code |  |
| [Font Awesome](https://www.runsonwhat.com/reverse/fontawesome) | Media & UI | Website code |  |
| [Vimeo](https://www.runsonwhat.com/reverse/vimeo) | Media & UI | Website code |  |
| [YouTube](https://www.runsonwhat.com/reverse/youtube) | Media & UI | Website code |  |
| [GSAP](https://www.runsonwhat.com/reverse/gsap) | Media & UI | Website code |  |
| [Tailwind CSS](https://www.runsonwhat.com/reverse/tailwind) | Frontend | Website code |  |
| [Anthropic](https://www.runsonwhat.com/reverse/anthropic) | AI | DNS verification records |  |
| [Perplexity](https://www.runsonwhat.com/reverse/perplexity) | AI | DNS verification records |  |

## Go-to-market

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [WordPress](https://www.runsonwhat.com/reverse/wordpress) | Website & CMS | Website code |  |
| [Yoast SEO](https://www.runsonwhat.com/reverse/yoast) | Website & CMS | Website code |  |
| [Elementor](https://www.runsonwhat.com/reverse/elementor) | Website & CMS | Website code |  |

## Company Ops

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Microsoft 365](https://www.runsonwhat.com/reverse/microsoft-365) | Workspace | Email records, Website code |  |
| [reCAPTCHA](https://www.runsonwhat.com/reverse/recaptcha) | Security & Compliance | Website code |  |
| [Apple Business](https://www.runsonwhat.com/reverse/apple) | Workspace | DNS verification records |  |
| [Exclaimer](https://www.runsonwhat.com/reverse/exclaimer) | Workspace | Email records |  |

## Recent changes at Questax AG

- 2026-10-09: started using [Exclaimer](https://www.runsonwhat.com/reverse/exclaimer)

## FAQ

### What tools does Questax use?

As of October 2026, runsonwhat has found 18 tools at Questax (questax.com) in public records. Edge & Hosting: Cloudflare. Application: jQuery, Google Fonts and Font Awesome. Go-to-market: WordPress, Yoast SEO and Elementor. Company Ops: Microsoft 365, reCAPTCHA and Apple Business. Last checked October 9, 2026.

### What email provider does Questax use?

Questax uses Microsoft 365 for email and office software, alongside Apple Business and Exclaimer, according to runsonwhat (October 2026). runsonwhat found Microsoft 365 through email records that authorize Microsoft 365 and code on questax.com. Microsoft 365 is used by 701,710 companies runsonwhat tracks.

### What is Questax's website built with?

Questax uses WordPress for its website, alongside Yoast SEO and Elementor, according to runsonwhat (October 2026). runsonwhat found WordPress through WordPress code on questax.com. WordPress is used by 582,767 companies runsonwhat tracks.

### Does Questax use jQuery?

Yes. runsonwhat found jQuery at Questax through jQuery code on questax.com. jQuery is a Frontend tool used by 897,845 companies runsonwhat tracks.

### Does Questax use AI tools?

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

### Has Questax changed tools recently?

Yes. On runsonwhat's rechecks, Questax started using Exclaimer (latest on October 9, 2026). A change counts only between two checks of questax.com done the same way.

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

The companies with the stacks most like Questax's are Consensys - Building the Era of Decentralized Finance, Immatics, DigitalBridge and Softeq Development, according to runsonwhat (October 2026). Each shares 5 to 8 tools with Questax, and rare tools count for more than common ones like Google Workspace, so the match reflects real stack choices.

### How does runsonwhat know what Questax uses?

runsonwhat reads public records only. Of the 18 tools at Questax, 11 were found through code on questax.com, 5 through DNS records and 2 through email records. A tool is listed only when a direct record backs it up; DNS is rechecked weekly and questax.com about monthly.


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Source: runsonwhat, https://www.runsonwhat.com/company/questax.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.