# What does DataBlur use?

DataBlur (datablur.app) shows public evidence of 10 tools, according to runsonwhat (last checked 2026-10-20).

## Edge & Hosting

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

## Application

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [React](https://www.runsonwhat.com/reverse/react) | Frontend | Website code |  |
| [Tailwind CSS](https://www.runsonwhat.com/reverse/tailwind) | Frontend | Website code |  |
| [Next.js](https://www.runsonwhat.com/reverse/nextjs) | Frontend | Website code |  |
| [Clerk](https://www.runsonwhat.com/reverse/clerk) | Auth & Identity | Custom domain |  |

## Data & Observability

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

## Company Ops

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Resend](https://www.runsonwhat.com/reverse/resend) | Email Delivery | Email records |  |
| [iCloud Mail](https://www.runsonwhat.com/reverse/icloud-mail) | Workspace | Email records |  |

## FAQ

### What tools does DataBlur use?

As of October 2026, runsonwhat has found 10 tools at DataBlur (datablur.app) in public records. Edge & Hosting: Cloudflare. Application: React, Tailwind CSS and Next.js. Data & Observability: Umami. Company Ops: Resend and iCloud Mail. Last checked October 20, 2026.

### What email provider does DataBlur use?

DataBlur uses iCloud Mail for email and office software, according to runsonwhat (October 2026). runsonwhat found iCloud Mail through email records that authorize iCloud Mail. iCloud Mail is used by 920 companies runsonwhat tracks.

### What analytics tools does DataBlur use?

DataBlur uses Umami for analytics, according to runsonwhat (October 2026). runsonwhat found Umami through Umami code on datablur.app. Umami is used by 2,243 companies runsonwhat tracks.

### What does DataBlur use for login and identity?

DataBlur uses Clerk for sign-in and identity, according to runsonwhat (October 2026). runsonwhat found Clerk through a subdomain that points at Clerk. Clerk is used by 1,167 companies runsonwhat tracks.

### Does DataBlur use Cloudflare?

Yes. runsonwhat found Cloudflare at DataBlur through DNS records that point at Cloudflare and code on datablur.app. Cloudflare is a CDN & Edge tool used by 695,681 companies runsonwhat tracks.

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

The companies with the stacks most like DataBlur's are The Calendar Wallpaper, Bacon, Seeker and Cordeiro, according to runsonwhat (October 2026). Each shares 3 to 7 tools with DataBlur, and rare tools count for more than common ones like Google Workspace, so the match reflects real stack choices.

### How does runsonwhat know what DataBlur uses?

runsonwhat reads public records only. Of the 10 tools at DataBlur, 4 were found through code on datablur.app, 2 through DNS records, 2 through email 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 datablur.app about monthly.


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Source: runsonwhat, https://www.runsonwhat.com/company/datablur.app (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.