runsonwhat

Harper Collins Publishers Limited's tech stack

What does Harper Collins Publishers Limited use?

Harper Collins Publishers Limited (collinsdictionary.com) uses at least 48 tools we can see from public records, including Microsoft 365 for email and documents, Demandbase for sales, Google Analytics for analytics and Auth0 for sign-in. Last checked .

Size
1–10 employees
Based in
United Kingdom
LinkedIn
Company page
Re-check liveVisit collinsdictionary.com
Tools found
48
Categories
10
Layers
5 of 5
Last checked
Oct 2026

Harper Collins Publishers Limited'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

3 tools, what the product is built with

Auth & Identity

AI

Media & UI

Data & Observability

3 tools, what they measure and store

Analytics

Go-to-market

32 tools, how they find and keep customers

Ads & Pixels

Sales & CRM

Company Ops

9 tools, what the team runs on day to day

Email Delivery

Workspace

Security & Compliance

Harper Collins Publishers Limited tech stack FAQ

What tools does Harper Collins Publishers use?

As of October 2026, runsonwhat has found 48 tools at Harper Collins Publishers (collinsdictionary.com) in public records. Edge & Hosting: Cloudflare. Application: Google Fonts, OpenAI and Auth0. Data & Observability: Google Analytics, Google Tag Manager and comScore. Go-to-market: Google Ads, LinkedIn Insight Tag and Google Ad Manager. Company Ops: Microsoft 365, reCAPTCHA and Amazon SES. Last checked October 20, 2026.

What sales tools does Harper Collins Publishers use?

The sales tools runsonwhat has found at Harper Collins Publishers are Demandbase, Bombora and Clickagy (October 2026); no CRM shows up in Harper Collins Publishers' public records. runsonwhat found Demandbase through Demandbase code on collinsdictionary.com.

What email provider does Harper Collins Publishers use?

Harper Collins Publishers uses Microsoft 365 for email and office software, according to runsonwhat (October 2026). runsonwhat found Microsoft 365 through a DNS verification record for Microsoft 365 and email records. Microsoft 365 is used by 716,411 companies runsonwhat tracks.

What analytics tools does Harper Collins Publishers use?

Harper Collins Publishers uses Google Analytics for analytics, alongside Google Tag Manager and comScore, according to runsonwhat (October 2026). runsonwhat found Google Analytics through Google Analytics code on collinsdictionary.com. Google Analytics is used by 893,006 companies runsonwhat tracks.

What does Harper Collins Publishers use for login and identity?

Harper Collins Publishers uses Auth0 for sign-in and identity, according to runsonwhat (October 2026). runsonwhat found Auth0 through a subdomain that points at Auth0. Auth0 is used by 5,807 companies runsonwhat tracks.

Does Harper Collins Publishers use Google Fonts?

Yes. runsonwhat found Google Fonts at Harper Collins Publishers through Google Fonts code on collinsdictionary.com. Google Fonts is a Media & UI tool used by 817,737 companies runsonwhat tracks.

Does Harper Collins Publishers use AI tools?

Yes. runsonwhat has found OpenAI at Harper Collins Publishers; OpenAI, for example, through a DNS verification record for OpenAI. AI services called only from servers leave no public trace, so Harper Collins Publishers may use more AI tools than these.

How does runsonwhat know what Harper Collins Publishers uses?

runsonwhat reads public records only. Of the 48 tools at Harper Collins Publishers, 25 were found through code on collinsdictionary.com, 13 through website configuration files, 8 through DNS records, 1 through email records 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 collinsdictionary.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.