By industry

Self storage website design: unit size guesses

A visitor clearing a family home wants one unit for a few months and cannot tell which size fits the furniture. Mimiq sends simulated visitors through your size picker and shows the step where each one stopped.

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Why do storage visitors stop at the unit size choice?

Storage visitors stop at the unit size choice because the picker lists measurements, and they shop by room: a bed frame, a sofa and twenty boxes. Empty unit photos give no sense of scale, and a climate option that changes the price with no explanation adds doubt. The visitor leaves to call or to try a site that describes what each size holds. A simulated test tries to reserve a unit with a real load, and shows the screen where the choice stopped.

What this looks like in a report

Who
Petra, clearing her late father's house while it goes on the market
How they arrived
Clicked a Google result for storage units near me on her phone
Where they stopped
Unit size picker, with five sizes and no list of what fits

“I have a bed frame, a sofa, a dresser and twenty boxes. The unit photos show empty rooms, so I can't tell what fits. I'll try a place with a size guide.”

The fix. List what fits in each unit size in plain words, such as a one-bedroom flat's contents, and show a photo of that unit with furniture in it. Put the size choice and the what fits line on the same screen, and let the visitor describe their things by room.

An illustration. Run a test to see your own.See a real sample report

Unit sizes are measurements, and visitors shop by room

A storage visitor rarely thinks in square feet. They think in rooms: the contents of a one-bedroom flat, a garage of tools, a spare room of boxes. The site lists unit sizes as measurements and shows empty units in the photos, so the visitor cannot match their things to a size. A unit that would fit everything looks too small on paper, and a bigger one looks like wasted money. The visitor picks the cheaper one, asks in an email, or leaves for a site that describes what each size holds.

  • Does each unit size have a plain list of what fits, such as a one-bedroom flat's contents?
  • Do the unit photos show furniture, or only empty walls with the door open?
  • Can a visitor describe their things by room, or must they pick a size from measurements alone?
  • Is the climate-controlled option explained before the price changes on the size screen?

Five sizes with no line about what goes in them

A size picker that lists dimensions asks the visitor to do a conversion they cannot do. A ten-by-ten unit sounds exact, but a visitor does not know whether a sofa and a double bed fill half of it or all of it. On a phone, a picker of tiles with numbers and prices gives the visitor no way to compare a tile with the room they are clearing. Check your own picker the same way: look at the first screen and ask whether any tile says what it holds. If none does, the visitor is choosing from numbers alone.

Photos of empty units hide how much will fit

Storage sites often photograph units while they are empty. An empty unit gives a visitor no scale. A space ten feet wide with nothing in it looks roomy, and the same space with a bed frame, a dresser and boxes looks full. Replace at least one photo per size with a unit holding a common load, labeled by room: the contents of a one-bedroom flat, or a garage of tools. The visitor can then match their own pile to a picture, which no measurement does.

Climate control is the second place a visitor gets stuck. A toggle that changes the price on the same screen, with no line about why anyone would choose it, makes a careful person stop and wonder whether they need it. Explain it in one sentence that names the kinds of things it suits, and say whether the choice can be changed later.

Testing the size choice with an invented move

Give a simulated visitor a plain task: reserve a unit for the contents of a one-bedroom flat, for a few months, starting next week. Use an invented name, an email inbox and a made-up list of items. Read the report in order: whether the visitor chose a size from the page, whether they found a what fits line, and the step where they stopped. Then open the unit photos on a phone and ask whether a visitor could match their own pile to one of them. If the visitor reached the size picker and stopped there, look first at the room-level guidance, before the price.

What you get with Mimiq

  1. 01

    Run it by hand, or on every pull request

    Paste a link and a task in the app and watch the visitors work. Or run them on every preview deploy: the GitHub Action comments on the pull request, any other CI can call the MCP endpoint, and your coding agent can run it too.

  2. 02

    Bugs and usability problems in one report

    The browser records errors and failed or slow requests on the step they happened. The visitors say where the wording or the steps confused them, and where they left.

  3. 03

    Visitors that behave like your audience

    Each visitor is a different profile with a reason to be there, matched to who the page is for, described by you, or built from your own customers.

  4. 04

    A prompt to fix each problem

    Every problem comes with a fix to paste into Cursor, Claude Code, Lovable or any coding agent, and one prompt hands over the top problems at once. Then send the same visitors through again.

  5. 05

    Follow every visitor

    See each visitor's whole path, step by step with screenshots, and what it was thinking at every step. Ask any visitor a question.

The browser records relevant JavaScript errors and failed or slow app requests encountered during the run, attached to the step where they occurred. The visitors are simulated: they find problems, they do not predict how many real people will convert.

A new unit size can leave the room guide out of date

Storage sites add sizes, move units between buildings and swap photos when a unit is refit. Each change can leave the room guide describing a size you no longer rent, or put a climate option on a unit that does not have one. After any change, check every size against its list and rerun the room-level visitor. Then run a visitor with a small load, since the fix for large loads can bury the small unit.

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See a sample report

Questions

Can a simulated test show how many visitors will reserve a unit?

No. The test does not predict how many visitors will reserve, and it cannot say how many would have called or picked a bigger unit instead. It shows where a simulated visitor stopped, such as the size picker, the photos or the climate option. Reservations come from your management software and your lease records.

Does the test know whether a unit will hold a particular load?

No. The test reads your site as a visitor sees it. It cannot measure your units, check the access doors or confirm that a bed frame fits through a corridor. Those answers come from a walk through the site with a tape, before you publish the sizes.

Can a simulated visitor sign the rental agreement?

No. The test does not sign agreements or process cards. A run can reach a signing or payment step, and the report stops there and names it. Check the agreement and the payment flow with a real person before you rely on the page.

Should I put a real tenant's details into a test?

No. Use an invented name, an invented move date and a test inbox. Keep tenant names, unit numbers and access codes out of the run and out of any notes you attach to it. A run needs only what a stranger would type.

Do I need to run it again when I add a unit size?

Yes. A new size, a new photo set or a different climate option changes the picker, and the room guidance has to change with it. Run the same visitor after each change, then one with a small load, since a size added for large loads can push the small unit out of view.

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