# What does Lesterius use?

Lesterius (lasource.fr) shows public evidence of 10 tools, according to runsonwhat (last checked 2026-10-20).

- Industry: IT Services
- Size: 11–50 employees
- Based in: Paris, France
- Founded: 1998
- LinkedIn: https://www.linkedin.com/company/lesterius

## Edge & Hosting

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Gandi](https://www.runsonwhat.com/reverse/gandi) | DNS | Custom domain, Email records, DNS records |  |

## Application

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [jQuery](https://www.runsonwhat.com/reverse/jquery) | Frontend | Website code |  |
| [Vimeo](https://www.runsonwhat.com/reverse/vimeo) | Media & UI | Website code |  |
| [YouTube](https://www.runsonwhat.com/reverse/youtube) | 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 |  |
| [Squarespace](https://www.runsonwhat.com/reverse/squarespace) | Website & CMS | Website code |  |

## Company Ops

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Loom](https://www.runsonwhat.com/reverse/loom) | Collaboration | Website code |  |

## FAQ

### What tools does Lesterius use?

As of October 2026, runsonwhat has found 10 tools at Lesterius (lasource.fr) in public records. Edge & Hosting: Gandi. Application: jQuery, Vimeo and YouTube. Data & Observability: Google Analytics and Google Tag Manager. Go-to-market: Google Ads and Squarespace. Company Ops: Loom. Last checked October 20, 2026.

### What analytics tools does Lesterius use?

Lesterius uses Google Analytics for analytics, alongside Google Tag Manager, according to runsonwhat (October 2026). runsonwhat found Google Analytics through Google Analytics code on lasource.fr. Google Analytics is used by 888,161 companies runsonwhat tracks.

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

Lesterius uses Squarespace for its website, according to runsonwhat (October 2026). runsonwhat found Squarespace through Squarespace code on lasource.fr. Squarespace is used by 33,760 companies runsonwhat tracks.

### Does Lesterius use jQuery?

Yes. runsonwhat found jQuery at Lesterius through jQuery code on lasource.fr. jQuery is a Frontend tool used by 920,396 companies runsonwhat tracks.

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

The companies with the stacks most like Lesterius' are AQUILA STUDIO THAILAND, AHM Insights, Lesterius and Pingboard, according to runsonwhat (October 2026). Each shares 1 to 9 tools with Lesterius, and rare tools count for more than common ones like Google Workspace, so the match reflects real stack choices.

### How does runsonwhat know what Lesterius uses?

runsonwhat reads public records only. Of the 10 tools at Lesterius, 9 were found through code on lasource.fr, 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 lasource.fr about monthly.


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Source: runsonwhat, https://www.runsonwhat.com/company/lasource.fr (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.