# What does E3 use?

E3 (e3.si) shows public evidence of 13 tools, according to runsonwhat (last checked 2026-11-06).

- Industry: Utilities
- Size: 11–50 employees
- Based in: Nova Gorica-Dostava, Slovenia
- LinkedIn: https://www.linkedin.com/company/e3-d-o-o

## 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 |  |
| [OpenAI](https://www.runsonwhat.com/reverse/openai) | 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 |
|---|---|---|---|
| [Google Ads](https://www.runsonwhat.com/reverse/google-ads) | Ads & Pixels | Website code |  |
| [Mailchimp](https://www.runsonwhat.com/reverse/mailchimp) | Marketing | Email records |  |
| [Salesforce](https://www.runsonwhat.com/reverse/salesforce) | Sales & CRM | Email records, Website code |  |

## Company Ops

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Microsoft 365](https://www.runsonwhat.com/reverse/microsoft-365) | Workspace | Email records, DNS verification records, Website code |  |
| [Atlassian](https://www.runsonwhat.com/reverse/atlassian) | Dev Tools | DNS verification records |  |
| [Valimail](https://www.runsonwhat.com/reverse/valimail) | Security & Compliance | Email records |  |

## FAQ

### What tools does E3 use?

As of November 2026, runsonwhat has found 13 tools at E3 (e3.si) in public records. Application: jQuery, Font Awesome and YouTube. Data & Observability: Google Analytics and Google Tag Manager. Go-to-market: Google Ads, Mailchimp and Salesforce. Company Ops: Microsoft 365, Atlassian and Valimail. Last checked November 6, 2026.

### What CRM does E3 use?

E3 uses Salesforce for its CRM, according to runsonwhat (November 2026). runsonwhat found Salesforce through email records that authorize Salesforce and code on e3.si. Salesforce is used by 34,889 companies runsonwhat tracks.

### What email provider does E3 use?

E3 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 a DNS verification record. Microsoft 365 is used by 725,804 companies runsonwhat tracks.

### What analytics tools does E3 use?

E3 uses Google Analytics for analytics, alongside Google Tag Manager, according to runsonwhat (November 2026). runsonwhat found Google Analytics through Google Analytics code on e3.si. Google Analytics is used by 905,914 companies runsonwhat tracks.

### What marketing software does E3 use?

E3 uses Mailchimp for marketing, according to runsonwhat (November 2026). runsonwhat found Mailchimp through email records that authorize Mailchimp. Mailchimp is used by 118,209 companies runsonwhat tracks.

### Does E3 use jQuery?

Yes. runsonwhat found jQuery at E3 through jQuery code on e3.si. jQuery is a Frontend tool used by 929,867 companies runsonwhat tracks.

### Does E3 use AI tools?

Yes. runsonwhat has found OpenAI at E3; OpenAI, for example, through a DNS verification record for OpenAI. AI services called only from servers leave no public trace, so E3 may use more AI tools than these.

### How does runsonwhat know what E3 uses?

runsonwhat reads public records only. Of the 13 tools at E3, 6 were found through code on e3.si, 4 through email records and 3 through DNS records. A tool is listed only when a direct record backs it up; DNS is rechecked weekly and e3.si about monthly.


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Source: runsonwhat, https://www.runsonwhat.com/company/e3.si (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.