# What does Zight use?

Zight (cl.ly) shows public evidence of 18 tools, according to runsonwhat (last checked 2026-11-07).

- LinkedIn: https://www.linkedin.com/company/zight

## Edge & Hosting

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Cloudflare](https://www.runsonwhat.com/reverse/cloudflare) | CDN & Edge | Website code |  |
| [Amazon Route 53](https://www.runsonwhat.com/reverse/route53) | DNS | DNS records |  |
| [Amazon CloudFront](https://www.runsonwhat.com/reverse/cloudfront) | CDN & Edge | Website code |  |

## Application

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Astro](https://www.runsonwhat.com/reverse/astro) | Frontend | 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 |  |
| [Meta Pixel](https://www.runsonwhat.com/reverse/meta-pixel) | Ads & Pixels | Website code |  |
| [LinkedIn Insight Tag](https://www.runsonwhat.com/reverse/linkedin-insight) | Ads & Pixels | Website code |  |
| [Zendesk](https://www.runsonwhat.com/reverse/zendesk) | Support & Docs | Email records |  |
| [Customer.io](https://www.runsonwhat.com/reverse/customerio) | Marketing | Custom domain, Email records |  |

## Company Ops

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Microsoft 365](https://www.runsonwhat.com/reverse/microsoft-365) | Workspace | DNS verification records |  |
| [Google Workspace](https://www.runsonwhat.com/reverse/google-workspace) | Workspace | Email records |  |
| [SendGrid](https://www.runsonwhat.com/reverse/sendgrid) | Email Delivery | 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 Zight use?

As of November 2026, runsonwhat has found 18 tools at Zight (cl.ly) in public records. Edge & Hosting: Cloudflare, Amazon Route 53 and Amazon CloudFront. Application: Astro. Data & Observability: Google Analytics and Google Tag Manager. Go-to-market: Google Ads, Meta Pixel and LinkedIn Insight Tag. Company Ops: Microsoft 365, Google Workspace and SendGrid. Last checked November 7, 2026.

### What email provider does Zight use?

Zight uses Microsoft 365 for email and office software, alongside Google Workspace, according to runsonwhat (November 2026). runsonwhat found Microsoft 365 through a DNS verification record for Microsoft 365. Microsoft 365 is used by 730,434 companies runsonwhat tracks.

### What does Zight use for customer support?

Zight uses Zendesk for customer support and documentation, according to runsonwhat (November 2026). runsonwhat found Zendesk through email records that authorize Zendesk. Zendesk is used by 43,481 companies runsonwhat tracks.

### What analytics tools does Zight use?

Zight uses Google Analytics for analytics, alongside Google Tag Manager, according to runsonwhat (November 2026). runsonwhat found Google Analytics through Google Analytics code on cl.ly. Google Analytics is used by 903,756 companies runsonwhat tracks.

### What marketing software does Zight use?

Zight uses Customer.io for marketing, according to runsonwhat (November 2026). runsonwhat found Customer.io through a subdomain that points at Customer.io and email records. Customer.io is used by 1,948 companies runsonwhat tracks.

### Does Zight use Cloudflare?

Yes. runsonwhat found Cloudflare at Zight through Cloudflare code on cl.ly. Cloudflare is a CDN & Edge tool used by 731,170 companies runsonwhat tracks.

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

The companies with the stacks most like Zight's are Threefold Group, Mos - Scholarships & Financial Aid, Howz and Autolab, according to runsonwhat (November 2026). Each shares 7 to 11 tools with Zight, and rare tools count for more than common ones like Google Workspace, so the match reflects real stack choices.

### How does runsonwhat know what Zight uses?

runsonwhat reads public records only. Of the 18 tools at Zight, 8 were found through code on cl.ly, 5 through email records, 3 through DNS records, 1 through website configuration files 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 cl.ly about monthly.


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Source: runsonwhat, https://www.runsonwhat.com/company/cl.ly (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.