# What does OPUSfidelis use?

OPUSfidelis (opusfidelis.com) shows public evidence of 18 tools, according to runsonwhat (last checked 2026-11-06).

- Industry: Online Media
- Size: 11–50 employees
- Based in: Reston, United States
- Founded: 2008
- LinkedIn: https://www.linkedin.com/company/opusfidelis

## Edge & Hosting

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

## Data & Observability

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

## Go-to-market

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [WordPress](https://www.runsonwhat.com/reverse/wordpress) | Website & CMS | Website code |  |
| [Meta Pixel](https://www.runsonwhat.com/reverse/meta-pixel) | Ads & Pixels | Website code |  |
| [Yoast SEO](https://www.runsonwhat.com/reverse/yoast) | Website & CMS | Website code |  |
| [Zendesk](https://www.runsonwhat.com/reverse/zendesk) | Support & Docs | Custom domain, Email records |  |
| [Campaign Monitor](https://www.runsonwhat.com/reverse/campaign-monitor) | Marketing | Custom domain, Email records |  |

## Company Ops

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Microsoft 365](https://www.runsonwhat.com/reverse/microsoft-365) | Workspace | Email records |  |
| [Mailgun](https://www.runsonwhat.com/reverse/mailgun) | Email Delivery | Email records |  |
| [Postmark](https://www.runsonwhat.com/reverse/postmark) | Email Delivery | Email records |  |

## FAQ

### What tools does OPUSfidelis use?

As of November 2026, runsonwhat has found 18 tools at OPUSfidelis (opusfidelis.com) in public records. Edge & Hosting: Cloudflare and Kinsta. Application: jQuery, Google Fonts and Font Awesome. Data & Observability: Google Analytics. Go-to-market: WordPress, Meta Pixel and Yoast SEO. Company Ops: Microsoft 365, Mailgun and Postmark. Last checked November 6, 2026.

### What cloud does OPUSfidelis run on?

OPUSfidelis uses Kinsta for hosting and cloud infrastructure, according to runsonwhat (November 2026). runsonwhat found Kinsta through Kinsta code on opusfidelis.com. Kinsta is used by 13,182 companies runsonwhat tracks.

### What email provider does OPUSfidelis use?

OPUSfidelis uses Microsoft 365 for email and office software, according to runsonwhat (November 2026). runsonwhat found Microsoft 365 through email records that authorize Microsoft 365. Microsoft 365 is used by 734,155 companies runsonwhat tracks.

### What does OPUSfidelis use for customer support?

OPUSfidelis uses Zendesk for customer support and documentation, according to runsonwhat (November 2026). runsonwhat found Zendesk through a subdomain that points at Zendesk and email records. Zendesk is used by 43,649 companies runsonwhat tracks.

### What analytics tools does OPUSfidelis use?

OPUSfidelis uses Google Analytics for analytics, according to runsonwhat (November 2026). runsonwhat found Google Analytics through Google Analytics code on opusfidelis.com. Google Analytics is used by 903,928 companies runsonwhat tracks.

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

OPUSfidelis uses WordPress for its website, alongside Yoast SEO, according to runsonwhat (November 2026). runsonwhat found WordPress through WordPress code on opusfidelis.com. WordPress is used by 606,786 companies runsonwhat tracks.

### Does OPUSfidelis use jQuery?

Yes. runsonwhat found jQuery at OPUSfidelis through jQuery code on opusfidelis.com. jQuery is a Frontend tool used by 927,223 companies runsonwhat tracks.

### How does runsonwhat know what OPUSfidelis uses?

runsonwhat reads public records only. Of the 18 tools at OPUSfidelis, 11 were found through code on opusfidelis.com, 3 through email records, 2 through DNS records and 2 through subdomains that point at the vendor. A tool is listed only when a direct record backs it up; DNS is rechecked weekly and opusfidelis.com about monthly.


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