# What does CertFirst use?

CertFirst (certfirst.com) shows public evidence of 19 tools, according to runsonwhat (last checked 2026-10-23).

- Industry: IT Services
- Size: 11–50 employees
- Based in: Westmont, United States
- Founded: 2003
- LinkedIn: https://www.linkedin.com/company/certfirst

## Edge & Hosting

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

## 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 |  |
| [Font Awesome](https://www.runsonwhat.com/reverse/fontawesome) | Media & UI | Website code |  |
| [Vimeo](https://www.runsonwhat.com/reverse/vimeo) | Media & UI | Website code |  |
| [YouTube](https://www.runsonwhat.com/reverse/youtube) | Media & UI | Website code |  |
| [GSAP](https://www.runsonwhat.com/reverse/gsap) | Media & UI | Website code |  |
| [Affirm](https://www.runsonwhat.com/reverse/affirm) | Payments & Billing | Website code |  |

## Data & Observability

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Sentry](https://www.runsonwhat.com/reverse/sentry) | Monitoring | Website code |  |

## Go-to-market

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [WordPress](https://www.runsonwhat.com/reverse/wordpress) | Website & CMS | Website code |  |
| [Yoast SEO](https://www.runsonwhat.com/reverse/yoast) | Website & CMS | Website code |  |
| [Elementor](https://www.runsonwhat.com/reverse/elementor) | Website & CMS | Website code |  |
| [Mailchimp](https://www.runsonwhat.com/reverse/mailchimp) | Marketing | Website code |  |
| [WooCommerce](https://www.runsonwhat.com/reverse/woocommerce) | Website & CMS | Website code |  |

## Company Ops

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

## FAQ

### What tools does CertFirst use?

As of October 2026, runsonwhat has found 19 tools at CertFirst (certfirst.com) in public records. Edge & Hosting: Cloudflare and GoDaddy. Application: jQuery, Google Fonts and Font Awesome. Data & Observability: Sentry. Go-to-market: WordPress, Yoast SEO and Elementor. Company Ops: Microsoft 365 and reCAPTCHA. Last checked October 23, 2026.

### What email provider does CertFirst use?

CertFirst uses Microsoft 365 for email and office software, according to runsonwhat (October 2026). runsonwhat found Microsoft 365 through email records that authorize Microsoft 365 and code on certfirst.com. Microsoft 365 is used by 714,842 companies runsonwhat tracks.

### What payment provider does CertFirst use?

CertFirst uses Affirm for payments and billing, according to runsonwhat (October 2026). runsonwhat found Affirm through Affirm code on certfirst.com. Affirm is used by 1,243 companies runsonwhat tracks.

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

CertFirst uses WordPress for its website, alongside Yoast SEO, Elementor and WooCommerce, according to runsonwhat (October 2026). runsonwhat found WordPress through WordPress code on certfirst.com. WordPress is used by 600,202 companies runsonwhat tracks.

### What marketing software does CertFirst use?

CertFirst uses Mailchimp for marketing, according to runsonwhat (October 2026). runsonwhat found Mailchimp through Mailchimp code on certfirst.com. Mailchimp is used by 116,063 companies runsonwhat tracks.

### What monitoring tools does CertFirst use?

CertFirst uses Sentry for monitoring, according to runsonwhat (October 2026). runsonwhat found Sentry through Sentry code on certfirst.com. Sentry is used by 79,026 companies runsonwhat tracks.

### Does CertFirst use jQuery?

Yes. runsonwhat found jQuery at CertFirst through jQuery code on certfirst.com. jQuery is a Frontend tool used by 920,186 companies runsonwhat tracks.

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

The companies with the stacks most like CertFirst's are My Green Mattress, BodyKore, Soil Food Web School and Strictly Bicycles, according to runsonwhat (October 2026). Each shares 6 to 13 tools with CertFirst, and rare tools count for more than common ones like Google Workspace, so the match reflects real stack choices.

### How does runsonwhat know what CertFirst uses?

runsonwhat reads public records only. Of the 19 tools at CertFirst, 17 were found through code on certfirst.com, 1 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 certfirst.com about monthly.


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