# What does CallFasst use?

CallFasst (callfasst.com) shows public evidence of 11 tools, according to runsonwhat (last checked 2026-11-10).

- Industry: Telecommunications
- Size: 1,001–5,000 employees
- Based in: Querétaro, Mexico
- Founded: 1999
- LinkedIn: https://www.linkedin.com/company/callfasst-s.a-de-c.v

## Edge & Hosting

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

## Application

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [jQuery](https://www.runsonwhat.com/reverse/jquery) | Frontend | Website code |  |
| [Font Awesome](https://www.runsonwhat.com/reverse/fontawesome) | 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 |  |

## 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 |  |
| [LinkedIn Insight Tag](https://www.runsonwhat.com/reverse/linkedin-insight) | Ads & Pixels | Website code |  |

## Company Ops

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Microsoft 365](https://www.runsonwhat.com/reverse/microsoft-365) | Workspace | DNS verification records |  |

## FAQ

### What tools does CallFasst use?

As of November 2026, runsonwhat has found 11 tools at CallFasst (callfasst.com) in public records. Edge & Hosting: Cloudflare and GoDaddy. Application: jQuery, Font Awesome and YouTube. Data & Observability: Google Analytics and Google Tag Manager. Go-to-market: Google Ads and LinkedIn Insight Tag. Company Ops: Microsoft 365. Last checked November 10, 2026.

### What email provider does CallFasst use?

CallFasst uses Microsoft 365 for email and office software, according to runsonwhat (November 2026). runsonwhat found Microsoft 365 through a DNS verification record for Microsoft 365. Microsoft 365 is used by 739,099 companies runsonwhat tracks.

### What analytics tools does CallFasst use?

CallFasst uses Google Analytics for analytics, alongside Google Tag Manager, according to runsonwhat (November 2026). runsonwhat found Google Analytics through Google Analytics code on callfasst.com. Google Analytics is used by 904,976 companies runsonwhat tracks.

### Does CallFasst use jQuery?

Yes. runsonwhat found jQuery at CallFasst through jQuery code on callfasst.com. jQuery is a Frontend tool used by 927,898 companies runsonwhat tracks.

### How does runsonwhat know what CallFasst uses?

runsonwhat reads public records only. Of the 11 tools at CallFasst, 9 were found through code on callfasst.com, 2 through DNS records. A tool is listed only when a direct record backs it up; DNS is rechecked weekly and callfasst.com about monthly.


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