# What does Telefónica use?

Telefónica (telefonica.com) shows public evidence of 32 tools, according to runsonwhat (last checked 2026-11-09).

- Industry: Telecommunications
- Size: 10,000+ employees
- Based in: Spain
- Founded: 1924
- LinkedIn: https://www.linkedin.com/company/telef%C3%B3nica

## Edge & Hosting

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Cloudflare](https://www.runsonwhat.com/reverse/cloudflare) | CDN & Edge | Email records, Website code |  |
| [WordPress VIP](https://www.runsonwhat.com/reverse/wpvip) | Hosting & Cloud | Website code |  |

## Application

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [jQuery](https://www.runsonwhat.com/reverse/jquery) | Frontend | Website code |  |
| [Anthropic](https://www.runsonwhat.com/reverse/anthropic) | AI | DNS verification records |  |
| [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 |  |
| [VWO](https://www.runsonwhat.com/reverse/vwo) | Flags & Experiments | Website code |  |
| [Dynatrace](https://www.runsonwhat.com/reverse/dynatrace) | Monitoring | DNS verification records |  |

## 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 |  |
| [Meta Pixel](https://www.runsonwhat.com/reverse/meta-pixel) | Ads & Pixels | DNS verification records |  |
| [Yoast SEO](https://www.runsonwhat.com/reverse/yoast) | Website & CMS | 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 |  |
| [Acumbamail](https://www.runsonwhat.com/reverse/acumbamail) | Marketing | DNS verification records |  |

## Company Ops

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Microsoft 365](https://www.runsonwhat.com/reverse/microsoft-365) | Workspace | Email records, DNS verification records, Website code |  |
| [Apple Business](https://www.runsonwhat.com/reverse/apple) | Workspace | DNS verification records |  |
| [Atlassian](https://www.runsonwhat.com/reverse/atlassian) | Dev Tools | DNS verification records |  |
| [Mailchimp Transactional](https://www.runsonwhat.com/reverse/mandrill) | Email Delivery | Email records |  |
| [OneTrust](https://www.runsonwhat.com/reverse/onetrust) | Security & Compliance | Website code |  |
| [Adobe](https://www.runsonwhat.com/reverse/adobe) | Collaboration | DNS verification records |  |
| [DocuSign](https://www.runsonwhat.com/reverse/docusign) | Finance & Legal | DNS verification records, Website code |  |
| [Webex](https://www.runsonwhat.com/reverse/webex) | Collaboration | DNS verification records |  |
| [Miro](https://www.runsonwhat.com/reverse/miro) | Collaboration | DNS verification records |  |
| [Duo](https://www.runsonwhat.com/reverse/duo) | Security & Compliance | DNS verification records |  |
| [Autodesk](https://www.runsonwhat.com/reverse/autodesk) | Collaboration | DNS verification records |  |
| [Figma](https://www.runsonwhat.com/reverse/figma) | Collaboration | DNS verification records |  |
| [Airtable](https://www.runsonwhat.com/reverse/airtable) | Collaboration | DNS verification records |  |
| [SAP SuccessFactors](https://www.runsonwhat.com/reverse/sap-successfactors) | People & HR | Custom domain |  |
| [Euroland IR](https://www.runsonwhat.com/reverse/euroland) | Finance & Legal | Website code |  |

## FAQ

### What tools does Telefónica use?

As of November 2026, runsonwhat has found 32 tools at Telefónica (telefonica.com) in public records. Edge & Hosting: Cloudflare and WordPress VIP. Application: jQuery, Anthropic and OpenAI. Data & Observability: Google Analytics, Google Tag Manager and VWO. Go-to-market: WordPress, Google Ads and Meta Pixel. Company Ops: Microsoft 365, Apple Business and Atlassian. Last checked November 9, 2026.

### What cloud does Telefónica run on?

Telefónica uses WordPress VIP for hosting and cloud infrastructure, according to runsonwhat (November 2026). runsonwhat found WordPress VIP through WordPress VIP code on telefonica.com. WordPress VIP is used by 1,442 companies runsonwhat tracks.

### What CRM does Telefónica use?

Telefónica uses Salesforce for its CRM, according to runsonwhat (November 2026). runsonwhat found Salesforce through email records that authorize Salesforce and code on telefonica.com. Salesforce is used by 35,538 companies runsonwhat tracks.

### What email provider does Telefónica use?

Telefónica uses Microsoft 365 for email and office software, alongside Apple Business, 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 736,657 companies runsonwhat tracks.

### What analytics tools does Telefónica use?

Telefónica uses Google Analytics for analytics, alongside Google Tag Manager, according to runsonwhat (November 2026). runsonwhat found Google Analytics through Google Analytics code on telefonica.com. Google Analytics is used by 904,044 companies runsonwhat tracks.

### What is Telefónica's website built with?

Telefónica uses WordPress for its website, alongside Yoast SEO, according to runsonwhat (November 2026). runsonwhat found WordPress through WordPress code on telefonica.com. WordPress is used by 606,908 companies runsonwhat tracks.

### Does Telefónica use jQuery?

Yes. runsonwhat found jQuery at Telefónica through jQuery code on telefonica.com. jQuery is a Frontend tool used by 927,266 companies runsonwhat tracks.

### Does Telefónica use AI tools?

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

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

The companies with the stacks most like Telefónica's are Duro Felguera, Icontec, AD Ports Group and Telefónica, according to runsonwhat (November 2026). Each shares 8 to 14 tools with Telefónica, and rare tools count for more than common ones like Google Workspace, so the match reflects real stack choices.

### How does runsonwhat know what Telefónica uses?

runsonwhat reads public records only. Of the 32 tools at Telefónica, 16 were found through DNS records, 10 through code on telefonica.com, 5 through email records 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 telefonica.com about monthly.


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