Checklist Lead Magnets: Quick Wins That Build Lists
The format with the best effort-to-conversion ratio, and the two rules that separate a useful checklist from a list of nouns.
On this page
The short version
- The best return per hour of any format, because it is short by definition and gets used immediately.
- Two rules separate a usable checklist from a list of nouns: every item is an action with a pass condition, and the order is the order you actually do them in.
- Design it to be printed and ticked, even if nobody prints it. That constraint produces the right length and the right density.
A checklist is the format with the best ratio of effort to result. It takes an afternoon at most, it converts well because the promise is concrete, and — unlike almost every other lead magnet — it gets opened within minutes of arriving, because it exists to be used during a task.
It is also the format most often done badly, in a specific and fixable way.
The difference between a checklist and a list
A list names things. A checklist names actions with a condition that tells you when each is done. "Authentication" is a list item. "SPF resolves in under ten DNS lookups — checked with a validator" is a checklist item, because you can tell whether you have done it.
Rule one: every item has a pass condition
The test is whether two people could disagree about whether an item is complete. If they could, the item is a topic rather than a task.
This is what makes a checklist useful rather than merely reassuring. A list of subject areas tells someone what to think about; a list of pass conditions tells them what to do and lets them stop.
The same six items, both ways
Topics
Nobody can tell when they are done
- Email authentication
- List quality
- Mobile rendering
- Subject line
- Links
- Unsubscribe
Actions with a condition
Each one can be ticked or not
- SPF resolves under ten lookups — run a validator
- Hard bounces from the last send are suppressed
- Opened on a real phone, in dark mode
- Point survives the first 35 characters
- Every link clicked from the test send
- Unsubscribe works in one click, no login
Rule two: the order is the working order
Group items by when you do them, not by category. A checklist organised into Technical, Content and Legal forces the user to jump around; one organised into Before writing, Before building, Before sending reads straight down.
This sounds cosmetic and changes whether the thing gets used. A checklist you can work down without re-reading is a checklist; one you have to navigate is a reference document.
Length and layout
One page, or two if the task genuinely has two phases. Fifteen to twenty-five items is the range where it stays scannable; past thirty it becomes a document and stops being ticked.
Design for printing even though most people will not print it. A single page, in a size that survives being read at arm's length, with tick boxes and enough space between lines to write a note. Those constraints are what keep it short, and they make the on-screen version better too.
The shape that works
15-25
Items
Past thirty it stops being ticked
1-2
Pages
Printable, at a readable size
3-5
Groups
By when you do them, not by category
The version that beats it
If you already have a checklist and want the next step, the upgrade is not a longer checklist. It is the same checklist with one line under each item explaining what goes wrong when it is skipped.
That turns a reference into something that teaches, roughly doubles the length while keeping the structure, and gives you a second lead magnet from the same afternoon's work.
Checking your checklist
- Every item is an action, not a topic
- Every item has a condition that says when it is done
- The order is the order you do them in
- Fifteen to twenty-five items
- Fits on one page at a readable size
- Has tick boxes and room to write
- You used it yourself on a real task before shipping it
Frequently asked questions
How do I make a checklist feel substantial enough to trade an email for?
Specificity, not length. "Twenty-two things to check before a send, with the pass condition for each" reads as substantial; "Email marketing checklist" does not, at any length.
Should it be interactive?
A web version with working tick boxes is nice and is not worth delaying the launch for. Ship the document, add the interactive version if the numbers justify it.
Can one checklist serve several pages?
If they are genuinely about the same task. More often the right move is two narrower checklists, each matched to its page, which will together out-convert one general one.