How to track a price on any website, not just Amazon

$849 for that bike. Is that a good price? Was it $799 last week? Unless you wrote it down, you'll never know.

A product page with a price history chart added by Cuttlefox, showing the price has dropped €6 since the first visit
A price-history chart added to a product page. Each visit adds a data point, saved on your device.

What price trackers cover

Keepa and CamelCamelCamel

Upside: Years of history and price-drop alerts.

Downside: Amazon only.

Chrome’s “Track price”

Upside: Built in, with alerts.

Downside: Only for products Google recognizes. Some features are US-only.

A spreadsheet

Upside: Works anywhere.

Downside: You’ll stop updating it by next week.

Cuttlefox

Upside: Any product page, from a local shop to a classifieds listing. The history stays on your device.

Downside: Only records when you visit. No alerts.

Set it up with one sentence

Open the product page, open Cuttlefox, and type:

Prompt

Every time I open this page, save the price. Show how it changed since my last visit and draw a small chart of the history.

Save it for similar pages, like everything under /product/, and every product on that store gets its own tracker.

Bonus: see the price you'll actually pay

Cuttlefox started here. An auction site we used showed the bid, but not the 18% buyer's fee or the shipping, so every bid meant reaching for a calculator. The first Cuttlefox edit ever made put the real total right under the price.

An auction listing with a $320 bid, and a box added by Cuttlefox adding an 18% buyer’s fee and $15 shipping for a $392.60 total
Bid, fee and shipping added up under the price, on every listing.

The same idea works at the supermarket:

Prompt

Show the price per 100 g next to every product, and highlight the cheapest one.

That matters more than you'd think. When the consumer group Which? showed 2,000 UK adults real supermarket examples, 72% couldn't work out which item was cheapest.

Good to know

  • There are no background checks. The history only grows when you open the page.
  • The history stays in Chrome on this computer. It doesn't sync to your other devices.