Find out whether your site is being shrunk on a phone
Plenty of manufacturer sites look fine on a desktop and arrive on a phone as a shrunken copy of the desktop page. Enter your address and this tells you which one you have.
No signup, no payment · about 30 seconds · reads only public pages
Figures from our own scans, September 2026 · built while checking 940-odd manufacturer websites
A page nobody can read without pinching
When a site has no viewport instruction, the phone does the only thing it can: it shrinks the desktop layout to fit. Your company name, your specifications, all of it lands at a size nobody reads.
Think about where that happens. A buyer is in a meeting, searches your company name, opens the site on a phone to check a capacity figure. If the page arrives too small to read, they do not pinch and zoom. They close it and search for the next supplier on the list. You do not lose the enquiry because you have no website. You lose it because the one you have could not be read in ten seconds.
Manufacturing sites take the worst of this. Specifications usually live in a table, and a table is the first thing that breaks when the screen narrows. The right-hand columns fall off the edge, which means voltage, capacity or tolerance disappear entirely — the exact numbers the visitor came for.
It takes about a minute
- Open your site on a phone. If you can read the body text without zooming, you are fine.
- If you have to drag sideways to see the rest of the page, you are not.
- Go to a product page and check the specification table. Can you see the last column?
- Check whether the menu buttons are big enough to hit with a thumb.
The tool above does this by reading the source. It looks for a viewport declaration and counts how many breakpoints your stylesheet defines. No viewport means the page is definitely being shrunk. A viewport with almost no breakpoints usually means the site is responsive in name only.
It is not automatically a rebuild
Some sites are already built responsively and are simply missing the one line that tells the phone about it. That is half a day.
Older sites laid out with tables are a different matter. Adding the tag does not help, because the structure assumes a fixed width and nothing inside it can reflow. There a rebuild works out cheaper than fighting the markup. The result marks which of the two you are looking at, and says so plainly when the cheap fix is enough.
The person behind the tool
Eddy Hwang · Electrical & Electronics Engineering, Chung-Ang University · R&D at a manufacturer
I studied electronics engineering and I still work in manufacturing R&D, so I read a website from the specification side rather than the design side. This tool started as something I used to go through manufacturer websites one at a time. After 940-odd of them it got good enough to publish. The scoring is automatic, but when I build a concept I open the site myself and work from what is on it.
About this check
Could the result be wrong for my site?
The tool reads one screen. If your inner pages were built differently, your experience may not match the score. That is why the numbers behind the judgement are printed alongside it.
We have a separate mobile site. Does that count?
Not automatically. If your mobile version lives on a different address, entering only the desktop URL can come back as no mobile support.
What does it cost to fix?
Around $390 if it is a settings-level fix, and from $1,900 if the layout has to be rebuilt.
Want to see yours rebuilt first
I will build a concept of your homepage using your own name and your own products, so you can see what these findings look like once they are fixed. The concept is free — if you do not like it, close the tab.
Get a free conceptCompany name and URL is all it takes · nothing owed at the concept stage