# What does Light use?

Light (poweredbylight.com) shows public evidence of 18 tools, according to runsonwhat (last checked 2026-10-31).

- Based in: Austin, United States
- LinkedIn: https://www.linkedin.com/company/poweredbylight

## Edge & Hosting

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Vercel](https://www.runsonwhat.com/reverse/vercel) | Hosting & Cloud | DNS records, Website code |  |

## Application

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Next.js](https://www.runsonwhat.com/reverse/nextjs) | Frontend | Website code |  |

## Data & Observability

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [web-vitals](https://www.runsonwhat.com/reverse/web-vitals) | Monitoring | Website code |  |
| [PostHog](https://www.runsonwhat.com/reverse/posthog) | Analytics | Website code |  |

## Go-to-market

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [LinkedIn](https://www.runsonwhat.com/reverse/linkedin) | Marketing | DNS verification 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 |  |
| [Let's Encrypt](https://www.runsonwhat.com/reverse/letsencrypt) | Security & Compliance | DNS records |  |
| [Sectigo](https://www.runsonwhat.com/reverse/sectigo) | Security & Compliance | DNS records |  |
| [Google Trust Services](https://www.runsonwhat.com/reverse/google-trust) | Security & Compliance | DNS records |  |
| [Postmark](https://www.runsonwhat.com/reverse/postmark) | Email Delivery | Email records |  |
| [Amazon Trust Services](https://www.runsonwhat.com/reverse/amazon-trust) | Security & Compliance | DNS records |  |
| [Slack](https://www.runsonwhat.com/reverse/slack) | Collaboration | DNS verification records |  |
| [Figma](https://www.runsonwhat.com/reverse/figma) | Collaboration | DNS verification records |  |
| [DMARC Digests](https://www.runsonwhat.com/reverse/dmarcdigests) | Security & Compliance | Email records |  |
| [Vanta](https://www.runsonwhat.com/reverse/vanta) | Security & Compliance | Custom domain |  |

## Recent changes at Light

- 2026-10-31: started using [Slack](https://www.runsonwhat.com/reverse/slack)

## FAQ

### What tools does Light use?

As of November 2026, runsonwhat has found 18 tools at Light (poweredbylight.com) in public records. Edge & Hosting: Vercel. Application: Next.js. Data & Observability: web-vitals and PostHog. Go-to-market: LinkedIn. Company Ops: Microsoft 365, Google Workspace and Let's Encrypt. Last checked October 31, 2026.

### What cloud does Light run on?

Light uses Vercel for hosting and cloud infrastructure, according to runsonwhat (November 2026). runsonwhat found Vercel through DNS records that point at Vercel and code on poweredbylight.com. Vercel is used by 51,366 companies runsonwhat tracks.

### What email provider does Light use?

Light 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 720,775 companies runsonwhat tracks.

### What analytics tools does Light use?

Light uses PostHog for analytics, according to runsonwhat (November 2026). runsonwhat found PostHog through PostHog code on poweredbylight.com. PostHog is used by 10,750 companies runsonwhat tracks.

### What marketing software does Light use?

Light uses LinkedIn for marketing, according to runsonwhat (November 2026). runsonwhat found LinkedIn through a DNS verification record for LinkedIn. LinkedIn is used by 14,817 companies runsonwhat tracks.

### What monitoring tools does Light use?

Light uses web-vitals for monitoring, according to runsonwhat (November 2026). runsonwhat found web-vitals through web-vitals code on poweredbylight.com. web-vitals is used by 30,104 companies runsonwhat tracks.

### Does Light use Next.js?

Yes. runsonwhat found Next.js at Light through Next.js code on poweredbylight.com. Next.js is a Frontend tool used by 69,161 companies runsonwhat tracks.

### Has Light changed tools recently?

Yes. On runsonwhat's rechecks, Light started using Slack (latest on October 31, 2026). A change counts only between two checks of poweredbylight.com done the same way.

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

The companies with the stacks most like Light's are Sparta Commodities, Sweetspot, Fathom and Circularise, according to runsonwhat (November 2026). Each shares 2 to 10 tools with Light, and rare tools count for more than common ones like Google Workspace, so the match reflects real stack choices.

### How does runsonwhat know what Light uses?

runsonwhat reads public records only. Of the 18 tools at Light, 10 were found through DNS records, 3 through email records, 3 through code on poweredbylight.com, 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 poweredbylight.com about monthly.


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