# What does Caddy Web Server use?

Caddy Web Server (caddyserver.com) shows public evidence of 13 tools, according to runsonwhat (last checked 2026-10-20).

- Industry: Internet
- Size: 11–50 employees
- Based in: Vienna, Austria
- LinkedIn: https://www.linkedin.com/company/zerossl

## Edge & Hosting

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

## Application

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

## Data & Observability

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Google Analytics](https://www.runsonwhat.com/reverse/ga) | Analytics | Website code |  |
| [Fathom](https://www.runsonwhat.com/reverse/fathom) | Analytics | Website code |  |

## Go-to-market

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Mailchimp](https://www.runsonwhat.com/reverse/mailchimp) | Marketing | Email records |  |
| [Zoho](https://www.runsonwhat.com/reverse/zoho) | Sales & CRM | DNS verification records, Email records, Website code |  |
| [SendPulse](https://www.runsonwhat.com/reverse/sendpulse) | Marketing | Email records |  |

## Company Ops

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [SendGrid](https://www.runsonwhat.com/reverse/sendgrid) | Email Delivery | Custom domain, Email records |  |
| [Let's Encrypt](https://www.runsonwhat.com/reverse/letsencrypt) | Security & Compliance | DNS records |  |
| [Sectigo](https://www.runsonwhat.com/reverse/sectigo) | Security & Compliance | DNS records |  |
| [DigiCert](https://www.runsonwhat.com/reverse/digicert) | Security & Compliance | DNS records |  |
| [Google Trust Services](https://www.runsonwhat.com/reverse/google-trust) | Security & Compliance | DNS records |  |

## FAQ

### What tools does Caddy Web Server use?

As of October 2026, runsonwhat has found 13 tools at Caddy Web Server (caddyserver.com) in public records. Edge & Hosting: Cloudflare. Application: Google Fonts and Algolia. Data & Observability: Google Analytics and Fathom. Go-to-market: Mailchimp, Zoho and SendPulse. Company Ops: SendGrid, Let's Encrypt and Sectigo. Last checked October 20, 2026.

### What CRM does Caddy Web Server use?

Caddy Web Server uses Zoho for its CRM, according to runsonwhat (October 2026). runsonwhat found Zoho through a DNS verification record for Zoho and email records. Zoho is used by 61,998 companies runsonwhat tracks.

### What analytics tools does Caddy Web Server use?

Caddy Web Server uses Google Analytics for analytics, alongside Fathom, according to runsonwhat (October 2026). runsonwhat found Google Analytics through Google Analytics code on caddyserver.com. Google Analytics is used by 863,790 companies runsonwhat tracks.

### What marketing software does Caddy Web Server use?

Caddy Web Server uses Mailchimp for marketing, alongside SendPulse, according to runsonwhat (October 2026). runsonwhat found Mailchimp through email records that authorize Mailchimp. Mailchimp is used by 113,903 companies runsonwhat tracks.

### Does Caddy Web Server use Google Fonts?

Yes. runsonwhat found Google Fonts at Caddy Web Server through Google Fonts code on caddyserver.com. Google Fonts is a Media & UI tool used by 798,895 companies runsonwhat tracks.

### Which companies have a tech stack similar to Caddy Web Server's?

The companies with the stacks most like Caddy Web Server's are WPZOOM, AHM Insights, Redocly and CALOG Transportes is under maintenance - We are doing some work on our site. Please come back later. We'll be up and running in no time., according to runsonwhat (October 2026). Each shares 3 to 5 tools with Caddy Web Server, and rare tools count for more than common ones like Google Workspace, so the match reflects real stack choices.

### How does runsonwhat know what Caddy Web Server uses?

runsonwhat reads public records only. Of the 13 tools at Caddy Web Server, 6 were found through DNS records, 4 through code on caddyserver.com, 2 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 caddyserver.com about monthly.


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