# What does Efficient Engineering use?

Efficient Engineering (efficient.co.za) shows public evidence of 9 tools, according to runsonwhat (last checked 2026-10-31).

- Industry: Mining & Metals
- Size: 201–1,000 employees
- Based in: Bedfordview, South Africa
- Founded: 1968
- LinkedIn: https://www.linkedin.com/company/efficient-engineering-pty-ltd

## Application

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Google Fonts](https://www.runsonwhat.com/reverse/google-fonts) | Media & UI | Website code |  |
| [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 |  |

## 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 |  |

## Company Ops

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

## Recent changes at Efficient Engineering

- 2026-10-22: started using [Google Tag Manager](https://www.runsonwhat.com/reverse/gtm)

## FAQ

### What tools does Efficient Engineering use?

As of November 2026, runsonwhat has found 9 tools at Efficient Engineering (efficient.co.za) in public records. Application: Google Fonts, React and Tailwind CSS. Data & Observability: Google Analytics and Google Tag Manager. Company Ops: Microsoft 365, reCAPTCHA and Mimecast. Last checked October 31, 2026.

### What email provider does Efficient Engineering use?

Efficient Engineering 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 and email records. Microsoft 365 is used by 719,721 companies runsonwhat tracks.

### What analytics tools does Efficient Engineering use?

Efficient Engineering uses Google Analytics for analytics, alongside Google Tag Manager, according to runsonwhat (November 2026). runsonwhat found Google Analytics through Google Analytics code on efficient.co.za. Google Analytics is used by 906,289 companies runsonwhat tracks.

### Does Efficient Engineering use Google Fonts?

Yes. runsonwhat found Google Fonts at Efficient Engineering through Google Fonts code on efficient.co.za. Google Fonts is a Media & UI tool used by 825,894 companies runsonwhat tracks.

### Has Efficient Engineering changed tools recently?

Yes. On runsonwhat's rechecks, Efficient Engineering started using Google Tag Manager (latest on October 22, 2026). A change counts only between two checks of efficient.co.za done the same way.

### How does runsonwhat know what Efficient Engineering uses?

runsonwhat reads public records only. Of the 9 tools at Efficient Engineering, 7 were found through code on efficient.co.za, 1 through DNS records and 1 through email records. A tool is listed only when a direct record backs it up; DNS is rechecked weekly and efficient.co.za about monthly.


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Source: runsonwhat, https://www.runsonwhat.com/company/efficient.co.za (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.