ISBNdb's tech stack
What does ISBNdb use?
ISBNdb (isbndb.com) uses at least 14 tools we can see from public records, including Proton Mail for email and documents, Google Analytics for analytics, WordPress for its website and Cloudflare for content delivery. Last checked .
“ISBNdb is the world's largest book database and API with over 110+ million unique ISBNs and up to 19 data points per book.”
- Industry
- Internet
- Size
- 1–10 employees
- Based in
- United States
- Founded
- 2001
- Company page
- Tools found
- 14
- Categories
- 9
- Layers
- 5 of 5
- Last checked
- Oct 2026
ISBNdb's stack, layer by layer
Each tool links to the other companies we've found using it. The label says what kind of public trace gave it away.
Edge & Hosting
1 tool, where the bytes are served from
CDN & Edge
Application
1 tool, what the product is built with
Frontend
Data & Observability
4 tools, what they measure and store
Go-to-market
5 tools, how they find and keep customers
Website & CMS
Marketing
Company Ops
3 tools, what the team runs on day to day
Companies like ISBNdb also use
Tools common among companies with a similar stack that we haven't found at ISBNdb.
Companies with a stack like ISBNdb's
Ranked by shared tools, with rare tools counting more.
RossumInternet · 201–1,000 people12in common
長青資訊 Cc TechInternet · 201–1,000 people4in common
LurraPayCryptocurrency · 1–10 people2in common
turva.dev1–10 people3in common
ApplovinSoftware8in common
Arktos.comarktos.com5in common
YviaIT Systems and Software Consulting2in common
Ebiquityebiquity.com9in common
ISBNdb tech stack FAQ
What tools does ISBNdb use?
As of October 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 Microsoft Ads. Company Ops: CookieYes, Mailgun and Proton Mail. Last checked October 11, 2026.
What email provider does ISBNdb use?
ISBNdb uses Proton Mail for email and office software, according to runsonwhat (October 2026). runsonwhat found Proton Mail through a DNS verification record for Proton Mail and email records. Proton Mail is used by 2,435 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 (October 2026). runsonwhat found Google Analytics through Google Analytics code on isbndb.com. Google Analytics is used by 850,567 companies runsonwhat tracks.
What is ISBNdb's website built with?
ISBNdb uses WordPress for its website, according to runsonwhat (October 2026). runsonwhat found WordPress through WordPress code on isbndb.com. WordPress is used by 581,342 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 895,919 companies runsonwhat tracks.
Which companies have a tech stack similar to ISBNdb's?
The companies with the stacks most like ISBNdb's are Rossum, 長青資訊 Cc Tech, LurraPay and turva.dev, according to runsonwhat (October 2026). Each shares 2 to 12 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.
We read public traces only: DNS and email records, certificate logs, website code and published subprocessor lists. A tool is listed when a direct record backs it up, and dropped when a recheck no longer finds it. Is this your company? See how to opt out.