# What does ISBNdb use?

ISBNdb (isbndb.com) shows public evidence of 14 tools, according to runsonwhat (last checked 2026-11-11).

- Industry: E-commerce
- Size: 1–10 employees
- Based in: United States
- Founded: 2001
- LinkedIn: https://www.linkedin.com/company/isbndb

## Edge & Hosting

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

## Application

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [jQuery](https://www.runsonwhat.com/reverse/jquery) | 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 |  |
| [Microsoft Clarity](https://www.runsonwhat.com/reverse/clarity) | Analytics | Website code |  |
| [Hotjar](https://www.runsonwhat.com/reverse/hotjar) | Analytics | Website code |  |

## Go-to-market

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [WordPress](https://www.runsonwhat.com/reverse/wordpress) | Website & CMS | Website code |  |
| [Google Ads](https://www.runsonwhat.com/reverse/google-ads) | Ads & Pixels | Website code |  |
| [LinkedIn Insight Tag](https://www.runsonwhat.com/reverse/linkedin-insight) | Ads & Pixels | Website code |  |
| [Microsoft Ads](https://www.runsonwhat.com/reverse/bing-ads) | Ads & Pixels | Website code |  |

## Company Ops

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [CookieYes](https://www.runsonwhat.com/reverse/cookieyes) | Security & Compliance | Website code |  |
| [Mailgun](https://www.runsonwhat.com/reverse/mailgun) | Email Delivery | Email records, Website code |  |
| [Proton Mail](https://www.runsonwhat.com/reverse/proton) | Workspace | DNS verification records, Email records, Website code |  |

## FAQ

### What tools does ISBNdb use?

As of November 2026, runsonwhat has found 14 tools at ISBNdb (isbndb.com) in public records. Edge & Hosting: Cloudflare. Application: jQuery. Data & Observability: Google Analytics, Google Tag Manager and Microsoft Clarity. Go-to-market: WordPress, Google Ads and LinkedIn Insight Tag. Company Ops: CookieYes, Mailgun and Proton Mail. Last checked November 11, 2026.

### What email provider does ISBNdb use?

ISBNdb uses Proton Mail for email and office software, according to runsonwhat (November 2026). runsonwhat found Proton Mail through a DNS verification record for Proton Mail and email records. Proton Mail is used by 2,632 companies runsonwhat tracks.

### What analytics tools does ISBNdb use?

ISBNdb uses Google Analytics for analytics, alongside Google Tag Manager, Microsoft Clarity and Hotjar, according to runsonwhat (November 2026). runsonwhat found Google Analytics through Google Analytics code on isbndb.com. Google Analytics is used by 904,044 companies runsonwhat tracks.

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

ISBNdb uses WordPress for its website, according to runsonwhat (November 2026). runsonwhat found WordPress through WordPress code on isbndb.com. WordPress is used by 606,908 companies runsonwhat tracks.

### Does ISBNdb use jQuery?

Yes. runsonwhat found jQuery at ISBNdb through jQuery code on isbndb.com. jQuery is a Frontend tool used by 927,266 companies runsonwhat tracks.

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

The companies with the stacks most like ISBNdb's are Umarise, 長青資訊 Cc Tech, ETH Cali and LurraPay, according to runsonwhat (November 2026). Each shares 1 to 4 tools with ISBNdb, and rare tools count for more than common ones like Google Workspace, so the match reflects real stack choices.

### How does runsonwhat know what ISBNdb uses?

runsonwhat reads public records only. Of the 14 tools at ISBNdb, 10 were found through code on isbndb.com, 3 through DNS records and 1 through email records. A tool is listed only when a direct record backs it up; DNS is rechecked weekly and isbndb.com about monthly.


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