Guides / Due diligence checklist
Website due diligence checklist
Check the money, the traffic, the risks and the handover before you pay. Here are 25 checks, and the problems we see most often in real listings.
The most common red flags
Share of 4,863 listings where our AI flagged each problem.
Priced too high for the profit
50%
Numbers nobody has checked
37%
Risky or falling traffic
32%
A profit margin that looks too good
23%
Too much from one source
22%
Depends on one platform's rules
9%
Falling revenue or profit
8%
Our AI reads every new listing on 5 marketplaces. One listing can have several flags.
1. Money
- Get 12 to 24 months of profit and loss, month by month.
- Match income to bank, Stripe, PayPal or payout statements.
- List every cost: hosting, tools, writers, ads, apps.
- Check the margin makes sense for the type of business.
- Find out where each dollar comes from. One source over half is a risk.
- Look for one-off spikes that inflate the average.
2. Traffic and customers
- Get view access to Google Analytics and Search Console, or a live screen share.
- Look at 2 years, not 3 months. Note any drop after a Google update.
- See how many pages bring most of the traffic.
- Check which countries visitors come from.
- For SaaS and stores: churn, repeat buyers and refund rates.
- Check backlinks for spam or paid links.
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3. Risks
- How many hours a week does the owner work on it?
- Who does the work: writers, developers, suppliers? Will they stay?
- Does it depend on one platform: Google, Amazon, YouTube, an API?
- Look up the domain on the Wayback Machine for its past.
- Check for copied content, trademark issues or policy strikes.
- Ask why the owner is selling. Does the answer make sense?
5. Handover
- Use escrow. Never pay a seller directly.
- Write a list of every asset and login that moves to you.
- Agree how long the seller will help after the sale.
- Release the money only when everything is in your name.
Questions
What is website due diligence?
Checking that a website's traffic, income and risks are what the seller says, before you pay.
What are the most common red flags?
In listings our AI read: Priced too high for the profit (50%). Numbers nobody has checked (37%). Risky or falling traffic (32%).
How long does due diligence take?
For a small site, a few days. For a business over $100k, 2 to 4 weeks is normal.
Do I need a professional?
For small sites, this checklist is enough. For big deals, pay an accountant or a due diligence service.