# What does 1Check use?

1Check (1check.com) shows public evidence of 19 tools, according to runsonwhat (last checked 2026-11-01).

- Industry: IT Services
- Size: 11–50 employees
- Based in: Nice, France
- Founded: 2012
- LinkedIn: https://www.linkedin.com/company/1-check

## Edge & Hosting

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

## 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 |  |
| [GSAP](https://www.runsonwhat.com/reverse/gsap) | Media & UI | Website code |  |
| [Anthropic](https://www.runsonwhat.com/reverse/anthropic) | AI | DNS verification records |  |

## 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 |
|---|---|---|---|
| [WordPress](https://www.runsonwhat.com/reverse/wordpress) | Website & CMS | Website code |  |
| [Google Ads](https://www.runsonwhat.com/reverse/google-ads) | Ads & Pixels | 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 |  |
| [Poptin](https://www.runsonwhat.com/reverse/poptin) | Marketing | Website code |  |

## Company Ops

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Microsoft 365](https://www.runsonwhat.com/reverse/microsoft-365) | Workspace | Email records, Website code |  |
| [Let's Encrypt](https://www.runsonwhat.com/reverse/letsencrypt) | Security & Compliance | DNS records |  |

## FAQ

### What tools does 1Check use?

As of November 2026, runsonwhat has found 19 tools at 1Check (1check.com) in public records. Edge & Hosting: Cloudflare and Gandi. Application: jQuery, Google Fonts and Font Awesome. Data & Observability: Google Analytics and Google Tag Manager. Go-to-market: WordPress, Google Ads and Yoast SEO. Company Ops: Microsoft 365 and Let's Encrypt. Last checked November 1, 2026.

### What email provider does 1Check use?

1Check uses Microsoft 365 for email and office software, according to runsonwhat (November 2026). runsonwhat found Microsoft 365 through email records that authorize Microsoft 365 and code on 1check.com. Microsoft 365 is used by 728,059 companies runsonwhat tracks.

### What analytics tools does 1Check use?

1Check uses Google Analytics for analytics, alongside Google Tag Manager, according to runsonwhat (November 2026). runsonwhat found Google Analytics through Google Analytics code on 1check.com. Google Analytics is used by 904,753 companies runsonwhat tracks.

### What is 1Check's website built with?

1Check uses WordPress for its website, alongside Yoast SEO and Elementor, according to runsonwhat (November 2026). runsonwhat found WordPress through WordPress code on 1check.com. WordPress is used by 606,896 companies runsonwhat tracks.

### What marketing software does 1Check use?

1Check uses Poptin for marketing, according to runsonwhat (November 2026). runsonwhat found Poptin through Poptin code on 1check.com. Poptin is used by 2,287 companies runsonwhat tracks.

### Does 1Check use jQuery?

Yes. runsonwhat found jQuery at 1Check through jQuery code on 1check.com. jQuery is a Frontend tool used by 928,357 companies runsonwhat tracks.

### Does 1Check use AI tools?

Yes. runsonwhat has found Anthropic at 1Check; Anthropic, for example, through a DNS verification record for Anthropic. AI services called only from servers leave no public trace, so 1Check may use more AI tools than these.

### Which companies have a tech stack similar to 1Check's?

The companies with the stacks most like 1Check's are Bynet Data Centers, ProCTTH, عطارة روح الطبيعة وصفات طبيعية زيوت عسل بهارات اعشاب مكسرات and WoddleBaby, according to runsonwhat (November 2026). Each shares 7 to 11 tools with 1Check, and rare tools count for more than common ones like Google Workspace, so the match reflects real stack choices.

### How does runsonwhat know what 1Check uses?

runsonwhat reads public records only. Of the 19 tools at 1Check, 13 were found through code on 1check.com, 3 through DNS records, 1 through email records, 1 through website configuration files 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 1check.com about monthly.


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Source: runsonwhat, https://www.runsonwhat.com/company/1check.com (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.