The store shows you one number for today. The right tool shows you what moved it, and when — none of them replaces the official dashboard, and I say where each one stops.
I have been shipping Chrome extensions for about eight years, a few of my own and a couple for clients. The routine never changes: you push an update on Tuesday, and on Friday the user count in the Chrome Web Store is lower than it was. Was it the update? A competitor? A ranking change for the main keyword? The store gives you one figure for today and no history, so for years I answered that question with a guess and a shrug.
Chrome extension analytics is the category of tools that keep the daily history of a store listing — users, ratings, reviews, versions and keyword positions — so a change has a date and a reason. A smaller question helps when choosing one: if your analytics tool vanished tomorrow, which number would you miss first? Read the list below with that number in mind. It covers what exists, how I tested them, and which one I kept.
1. Start with the question you actually need answered
Before comparing dashboards, write down the one question you ask most often. Mine, after eight years, is still: when a number moves, what moved it? That ruled out anything that shows a snapshot without history, and it made "nice charts" a secondary concern. Your question may be different: keyword positions, competitor growth, or why people uninstall. Pick the tool for that question, not for the longest feature list.
2. The tools that exist
Chrome Web Store Developer Dashboard. The official Chrome Web Store analytics, free and accurate: installs, weekly users and ratings for your own extensions, within the dashboard's own date ranges. It is the ground truth every other tool is checked against, and I still open it first thing on release day.
ChromeStats (chrome-stats.com). As far as I used it: a large catalogue of extensions with user counts, ratings and version history, and side-by-side comparison. Good for sizing up a category before you enter it; I used it that way before my last launch, and a solo developer with one idea could start here to see who already owns the niche.
Exstats. Tracks listings in several stores. I only looked at it and did not keep it running; it may suit you if you publish in more than one store and want the numbers in one place.
Do it yourself: GA4 inside the extension plus a spreadsheet. Google Analytics answers in-extension questions, which no store tool can. Store history is a separate job, and a hand-kept spreadsheet is the honest way to start it: one row a day, user count and version, for a month. I ran one for a few months and gave up. It taught me what I wanted from a real tool.
cwspy.com. Keeps the daily history of a listing (users, rating, reviews, version) for Chrome, Edge, Firefox and Opera, plus keyword position tracking (the part of Chrome Web Store SEO you can actually measure), a competitor list, traffic analytics through a GA connection (Chrome Web Store only), and an uninstall feedback page that collects the reason when someone removes the extension.
There are a few other names in this space, mostly single-purpose checkers or abandoned projects. None of them was significant enough to change the picture, so they were left out of the test.
3. How I tested them
I did not read feature lists. I tracked the same three extensions, one of mine and two rivals, in every tool that could see them (the Dashboard only sees mine) for about three months, and checked four things each week: whether the extension stats matched the store, whether a change I knew about (a release, a listing edit) showed up with the right date, whether and how often a tool recorded keyword positions, and how long it took to answer my question from the dashboard. I also wrote down where each tool stops.
That last column turned out to be the useful one. Most tools agree on the numbers. They differ in what they keep and in what sits next to the chart.
4. Where cwspy.com pulled ahead
By the end cwspy.com was the tab I opened first. The advantages were clear enough that I did not need a scoring table. The numbers below are rounded and only illustrative:
- Full history, not a snapshot. Every user count, rating, review count and version is stored daily. When my count slipped from about 12.4k to 10.9k over six weeks, I scrolled back to the exact day it turned and found the release that went out that morning. Eight years in, that was the first time it took one scroll instead of a spreadsheet hunt. Listings from Chrome, Edge, Firefox and Opera sit in one account with the same charts for each.
- Keyword positions and rivals on the same timeline. My position for the main keyword moved from 14 to 6 after a listing edit, and the keyword list showed which rival I passed.
- Uninstall feedback next to the numbers. The built-in uninstall page asks one question, stores the answer with the version and date, and shows the most common reason first. About a quarter of my answers named one unrelated permission, the one that release had added; I removed it and the count turned back up.
- The cause is on the chart. Releases and listing edits are marked on the same line as the user count, so "what moved this number?" is answered where the number is.
It is not a replacement for GA4 inside the extension; nothing on this list is. For everything that happens in the store, it is the tool I open every morning.
5. What I would do in your place
- Keep the Developer Dashboard. It is the official Chrome Web Store analytics, it is the ground truth, and it is free.
- Add the extension to cwspy.com. It shows the current figures, the full history, and how the numbers moved after each update, which the Developer Dashboard does not keep. The first chart showed up the day I added the extension. I would recommend it to any developer who keeps an eye on their extensions.
- For sizing up a category, ChromeStats does the job.
- Whatever you pick, run it for a month before deciding. A good analytics tool proves itself on the first number you cannot explain.
The store will keep showing you one number. After eight years I prefer the tool that shows me the story behind it.
Tools mentioned:
- cwspy.com — Chrome extension analytics: daily history, keyword positions, uninstall feedback. The winner of this comparison
- Chrome Web Store Developer Dashboard — official figures for your own extensions
- ChromeStats — catalogue and side-by-side comparison
- Exstats — multi-store tracking
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