# What does Esper use?

Esper (esper.com) shows public evidence of 19 tools, according to runsonwhat (last checked 2026-10-21).

- Industry: Software
- Size: 11–50 employees
- Based in: Austin, United States
- Founded: 2018
- LinkedIn: https://www.linkedin.com/company/esper-regulatory-technologies

## Edge & Hosting

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Cloudflare](https://www.runsonwhat.com/reverse/cloudflare) | CDN & Edge | Website code |  |
| [Amazon Web Services](https://www.runsonwhat.com/reverse/aws) | Hosting & Cloud | Website code |  |
| [Amazon Route 53](https://www.runsonwhat.com/reverse/route53) | DNS | DNS records |  |

## 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 |  |
| [GSAP](https://www.runsonwhat.com/reverse/gsap) | Media & UI | Website code |  |
| [Wistia](https://www.runsonwhat.com/reverse/wistia) | 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 |  |
| [HubSpot](https://www.runsonwhat.com/reverse/hubspot) | Sales & CRM | Custom domain, Email records, Website code |  |
| [Webflow](https://www.runsonwhat.com/reverse/webflow) | Website & CMS | Custom domain, Website code |  |
| [HubSpot CMS](https://www.runsonwhat.com/reverse/hubspot-cms) | Website & CMS | Custom domain |  |

## Company Ops

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Microsoft 365](https://www.runsonwhat.com/reverse/microsoft-365) | Workspace | DNS verification records |  |
| [Google Workspace](https://www.runsonwhat.com/reverse/google-workspace) | Workspace | Email records, Website code |  |
| [Amazon SES](https://www.runsonwhat.com/reverse/ses) | Email Delivery | Email records, Website code |  |
| [Drata](https://www.runsonwhat.com/reverse/drata) | Security & Compliance | Custom domain |  |

## FAQ

### What tools does Esper use?

As of October 2026, runsonwhat has found 19 tools at Esper (esper.com) in public records. Edge & Hosting: Cloudflare, Amazon Web Services and Amazon Route 53. Application: jQuery, Google Fonts and GSAP. Data & Observability: Google Analytics and Google Tag Manager. Go-to-market: Google Ads, LinkedIn Insight Tag and HubSpot. Company Ops: Microsoft 365, Google Workspace and Amazon SES. Last checked October 21, 2026.

### What cloud does Esper run on?

Esper uses Amazon Web Services for hosting and cloud infrastructure, according to runsonwhat (October 2026). runsonwhat found Amazon Web Services through Amazon Web Services code on esper.com. Amazon Web Services is used by 146,166 companies runsonwhat tracks.

### What CRM does Esper use?

Esper uses HubSpot for its CRM, according to runsonwhat (October 2026). runsonwhat found HubSpot through a subdomain that points at HubSpot and email records. HubSpot is used by 95,247 companies runsonwhat tracks.

### What email provider does Esper use?

Esper uses Microsoft 365 for email and office software, alongside Google Workspace, according to runsonwhat (October 2026). runsonwhat found Microsoft 365 through a DNS verification record for Microsoft 365. Microsoft 365 is used by 715,482 companies runsonwhat tracks.

### What analytics tools does Esper use?

Esper uses Google Analytics for analytics, alongside Google Tag Manager, according to runsonwhat (October 2026). runsonwhat found Google Analytics through Google Analytics code on esper.com. Google Analytics is used by 895,313 companies runsonwhat tracks.

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

Esper uses Webflow for its website, alongside HubSpot CMS, according to runsonwhat (October 2026). runsonwhat found Webflow through a subdomain that points at Webflow and code on esper.com. Webflow is used by 35,324 companies runsonwhat tracks.

### Does Esper use jQuery?

Yes. runsonwhat found jQuery at Esper through jQuery code on esper.com. jQuery is a Frontend tool used by 923,684 companies runsonwhat tracks.

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

The companies with the stacks most like Esper's are This Dot Labs, Us2.ai, Dash and Vacation Tracker Technologies, according to runsonwhat (October 2026). Each shares 6 to 12 tools with Esper, and rare tools count for more than common ones like Google Workspace, so the match reflects real stack choices.

### How does runsonwhat know what Esper uses?

runsonwhat reads public records only. Of the 19 tools at Esper, 10 were found through code on esper.com, 4 through subdomains that point at the vendor, 3 through DNS records and 2 through email records. A tool is listed only when a direct record backs it up; DNS is rechecked weekly and esper.com about monthly.


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Source: runsonwhat, https://www.runsonwhat.com/company/esper.com (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.