In this guide
- A CRM stores people and companies you deal with, plus deals and notes. Sales and support teams use it every day.
- A CDP (customer data platform) collects events from many sources, stitches them into one profile and sends audiences to other tools.
- Many small businesses need a CRM and a good tracking server, not a CDP. A CDP pays off at larger scale with many sources and channels.
The two names get used as if they overlap, and some products are sold as both. They solve different jobs. This page defines each, compares them on the things that matter and explains how a tracking server sits between them. It also covers a common small-business case: you have a CRM, you do not have a CDP, and you still want leads and sales to flow back to your ad platforms. See offline conversions for that.
What a CRM is
A customer relationship management system keeps a record of each person or company you talk to: contact details, the deals in progress, the stage of each deal, the emails and calls, the notes. Salespeople, support staff and account managers work in it. Examples include HubSpot, Salesforce, Pipedrive and Zoho. The data is mostly entered by people or by forms, and it is organised around contacts, companies and deals.
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What a CDP is
A customer data platform collects behavioural events (page views, product views, purchases, app opens) from websites, apps, shops and tools. It matches events from the same person across sources, resolves identity into one profile and makes that profile available to other systems, for example an e-mail tool or an ad platform. Examples include Segment, mParticle, RudderStack and Hightouch. The data is mostly collected by code and organised around people and events.
Side by side
| CRM | CDP | |
|---|---|---|
| Main job | Manage relationships and deals | Unify behavioural data and activate it |
| Typical users | Sales, support, account managers | Data, marketing and engineering teams |
| Main data | Contacts, companies, deals, notes, emails | Events, traits, identifiers from many sources |
| Who enters data | People and forms | Code and integrations |
| Identity | One record per contact, often keyed on e-mail | Stitches anonymous and known visits into a profile |
| Output | Pipelines, tasks, reports, follow-ups | Audiences and events sent to other tools |
| Typical cost | Per user, per month | Per volume of events or profiles, often higher |
Works with your stack
Grab a logo and throw it. These are the tools Open Tracked already talks to.
Where they overlap
- Both can hold a person's e-mail and phone.
- Both can trigger an action in another tool.
- Some CRMs have marketing features that look like a small CDP, and some CDPs add simple profiles that look like a CRM.
The difference is the centre of gravity. If most of the value comes from what people at your company do (calls, follow-ups, stages), you want a CRM. If most of the value comes from what visitors do (events, purchases, signals) and where you need to send them, you want CDP-like features.
When you need only a CRM
If you have a few hundred leads a month, a single website and two or three ad platforms, a CRM plus a server-side tracking container is usually enough. The container collects the visitor's click ID, hashed e-mail and cookie at the moment of the lead. The CRM keeps the lead and its stage. When the stage changes, you send the stage back to Meta or Google Ads. That is the "offline conversion" loop, and it needs no CDP.
When you start to need a CDP
- You have many sources: several websites, apps, a shop, a call centre, a loyalty system.
- You need one profile across them, for personalisation or audiences.
- Several teams want the same data in different tools and keep building one-off exports.
- You have engineers who can maintain the pipelines.
How a tracking server fits
A server container is not a CDP, but it covers a useful part of the same ground at a small scale. It receives events from your site, can enrich them, and forwards them to many destinations. Open Tracked adds a Data Store that remembers hashed e-mail, phone and click IDs for up to 400 days and an Enricher that adds them back into later events. It also ships a CRM pipeline with lead stages and offline conversions to Meta and Google Ads. For many small and mid-size businesses this is the lighter-weight version of what they hoped a CDP would do. It is not a replacement for a full CDP with identity graphs and a large destination catalogue.
How to decide
- List the systems that hold customer data today.
- List what you need to send, and where: audiences, conversions, e-mail segments.
- Count how many of those flows already work through the tracking server and the CRM.
- If the remaining gaps are many and recurring, price a CDP. If they are few, fix them with the server and the CRM.
Terms you will see
- Identity resolution
- Matching events from the same person across devices and sources into one profile.
- Activation
- Sending audiences or events from your data to an ad, e-mail or analytics tool.
- System of record
- The one place a fact is stored and treated as the truth, for example a deal stage.
- Reverse ETL
- Copying data from a warehouse back into operational tools such as a CRM or ad platform.
- Offline conversion
- A sale or lead stage that happens outside the website, reported back to an ad platform.
- Lead stage
- The step a lead has reached in your pipeline, such as new, qualified or won.
Checklist: do we need a CDP yet?
Runs on your domain, anywhere
Your tracking runs on your own domain, so a visit from any country is handled the same way.
Frequently asked questions
Is a CDP the same as a CRM?
No. A CRM manages relationships and deals that people enter. A CDP collects events from many sources and builds unified profiles to send to other tools.
Can a CRM replace a CDP?
For small businesses with few sources, often yes. It is not designed for large-scale event collection and identity resolution.
Do I need a CDP for server-side tracking?
No. A server container sends events without one.
How do CRM leads get back to ad platforms?
By sending offline conversions: the CRM stage change is sent to Meta or Google Ads with the matching identifiers saved at the time of the lead.
Does Open Tracked replace my CRM?
It has a CRM pipeline for lead stages and offline conversions, but if you already use a full CRM you can keep it and connect the stages through webhooks.
Do I need spreadsheets to read my results?
No. Once tracking is live, the Open Tracked analytics shows spend, revenue, ROAS and profit, and you can ask Ari, the built-in AI assistant, questions about your own numbers in plain words. Ari's allowance depends on your analytics plan.
Is Open Tracked different from Open Track or Open Space Track?
No. Open Tracked is the official name of our server-side tracking platform, and the website is opentracked.io. Many people search for it as Open Track, OpenTrack or Open Space Track. All of them lead to the same product: server-side Google Tag Manager hosting, first-party analytics and a CRM pipeline.
Fix your tracking at the source
Open Tracked hosts your server-side Tag Manager, keeps first-party cookies alive and shows what each ad is really worth.
The Open Tracked team
We build Open Tracked: server-side tracking hosting, analytics and the tools around them, for stores that spend on ads. Questions about this guide, or an idea for the next one?
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