runsonwhat

Overlay's tech stack

What does Overlay use?

Overlay (overlay.es) uses at least 11 tools we can see from public records, including Microsoft 365 for email and documents, Google Tag Manager for analytics, WordPress for its website and Cookiebot for security. Last checked .

Industry
Software
Size
11–50 employees
Based in
Cartagena, Spain
Founded
1988
LinkedIn
Company page
Tools found
11
Categories
7
Layers
4 of 5
Last checked
Oct 2026

Overlay's stack, layer by layer

Each tool links to the other companies we've found using it. The label says what kind of public trace gave it away.

Application

4 tools, what the product is built with

Data & Observability

1 tool, what they measure and store

Go-to-market

4 tools, how they find and keep customers

Company Ops

2 tools, what the team runs on day to day

Security & Compliance

Overlay tech stack FAQ

What tools does Overlay use?

As of October 2026, runsonwhat has found 11 tools at Overlay (overlay.es) in public records. Application: jQuery, Google Fonts and Font Awesome. Data & Observability: Google Tag Manager. Go-to-market: WordPress, Yoast SEO and Elementor. Company Ops: Microsoft 365 and Cookiebot. Last checked October 23, 2026.

What email provider does Overlay use?

Overlay uses Microsoft 365 for email and office software, according to runsonwhat (October 2026). runsonwhat found Microsoft 365 through a DNS verification record for Microsoft 365 and email records. Microsoft 365 is used by 715,587 companies runsonwhat tracks.

What analytics tools does Overlay use?

Overlay uses Google Tag Manager for analytics, according to runsonwhat (October 2026). runsonwhat found Google Tag Manager through Google Tag Manager code on overlay.es. Google Tag Manager is used by 511,908 companies runsonwhat tracks.

What is Overlay's website built with?

Overlay uses WordPress for its website, alongside Yoast SEO and Elementor, according to runsonwhat (October 2026). runsonwhat found WordPress through WordPress code on overlay.es. WordPress is used by 603,422 companies runsonwhat tracks.

Does Overlay use jQuery?

Yes. runsonwhat found jQuery at Overlay through jQuery code on overlay.es. jQuery is a Frontend tool used by 925,302 companies runsonwhat tracks.

How does runsonwhat know what Overlay uses?

runsonwhat reads public records only. Of the 11 tools at Overlay, 9 were found through code on overlay.es, 2 through DNS records. A tool is listed only when a direct record backs it up; DNS is rechecked weekly and overlay.es about monthly.

We read public traces only: DNS and email records, certificate logs, website code and published subprocessor lists. A tool is listed when a direct record backs it up, and dropped when a recheck no longer finds it. Is this your company? See how to opt out.