# What does Círculo te recomienda use?

Círculo te recomienda (circulo.es) shows public evidence of 10 tools, according to runsonwhat (last checked 2026-10-07).

- Industry: Publishing
- Size: 201–1,000 employees
- Based in: Barcelona, Spain
- Founded: 1962
- LinkedIn: https://www.linkedin.com/company/circulo-de-lectores

## Edge & Hosting

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

## 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 |
|---|---|---|---|
| [Google Ads](https://www.runsonwhat.com/reverse/google-ads) | Ads & Pixels | Website code |  |

## Company Ops

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Microsoft 365](https://www.runsonwhat.com/reverse/microsoft-365) | Workspace | DNS verification records |  |
| [OneTrust](https://www.runsonwhat.com/reverse/onetrust) | Security & Compliance | Website code |  |
| [KnowBe4](https://www.runsonwhat.com/reverse/knowbe4) | Security & Compliance | DNS verification records |  |

## FAQ

### What tools does Círculo te recomienda use?

As of October 2026, runsonwhat has found 10 tools at Círculo te recomienda (circulo.es) in public records. Edge & Hosting: Cloudflare. Application: jQuery, Google Fonts and Font Awesome. Data & Observability: Google Analytics and Google Tag Manager. Go-to-market: Google Ads. Company Ops: Microsoft 365, OneTrust and KnowBe4. Last checked October 7, 2026.

### What email provider does Círculo te recomienda use?

Círculo te recomienda 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. Microsoft 365 is used by 696,999 companies runsonwhat tracks.

### What analytics tools does Círculo te recomienda use?

Círculo te recomienda uses Google Analytics for analytics, alongside Google Tag Manager, according to runsonwhat (October 2026). runsonwhat found Google Analytics through Google Analytics code on circulo.es. Google Analytics is used by 844,827 companies runsonwhat tracks.

### Does Círculo te recomienda use jQuery?

Yes. runsonwhat found jQuery at Círculo te recomienda through jQuery code on circulo.es. jQuery is a Frontend tool used by 892,908 companies runsonwhat tracks.

### How does runsonwhat know what Círculo te recomienda uses?

runsonwhat reads public records only. Of the 10 tools at Círculo te recomienda, 8 were found through code on circulo.es, 2 through DNS records. A tool is listed only when a direct record backs it up; DNS is rechecked weekly and circulo.es about monthly.


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Source: runsonwhat, https://www.runsonwhat.com/company/circulo.es (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.