Sept 2024 top-1M origins missing from Chrome UX data in Jul to Sept 2026, by 2024 rank
| 2024 Chrome rank | Origins | Gone from CrUX | % gone |
|---|---|---|---|
| Top 1K | 1,000 | 71 | 7.1% |
| 1K to 10K | 9,000 | 1,235 | 13.7% |
| 10K to 100K | 90,000 | 17,706 | 19.7% |
| 100K to 500K | 400,000 | 89,110 | 22.3% |
| 500K to 1M | 500,000 | 112,428 | 22.5% |
| All top 1M | 1,000,000 | 220,550 | 22.1% |
Source: PageSpeed Matters, Oct 2026. Gone means absent from all of the Jul, Aug and Sept 2026 CrUX releases.
Summary
How many popular websites are still around two years later? Every site that disappears takes its pages, its backlinks and its search visibility with it, and every link pointing at it from other sites turns into a dead end.
We took the 1,000,000 origins in Chrome's top 1M in September 2024 and checked which ones still show up in Chrome UX data in July to September 2026. 22.1% have dropped out, more than one in five of the sites that were popular enough to make the list two years ago. In a sample of those dropouts, 48.2% are unreachable, which puts up to 10.6% of 2024's top 1M offline altogether. Most of the unreachable group are hosts our check got no answer from, so treat that figure as an upper estimate.
What we measured
We used the public Chrome UX Report (CrUX) dataset. We took every origin ranked in the top 1M in September 2024 and checked whether it appears in any of the July, August or September 2026 releases. An origin that is absent from all three counts as a dropout.
Dropping out of Chrome UX data does not always mean a site is dead. It can also mean its traffic fell below the threshold Chrome uses to publish data for an origin. To see what actually happened, we probed a 2,822-site random sample of the dropouts and sorted each one into a class: unreachable, HTTP error, redirect to a different domain, near-empty or parked, or still live.
We got a result for 1,605 of the 2,822 sample hosts. The other 1,217 returned no result and are counted as unreachable, so the 48.2% unreachable figure, and the 10.6% estimate built on it, should be read as estimates. Percentages for the 1,605 reached hosts use a different base from the full sample, and we report them separately.
More than one in five of 2024's top sites dropped out
220,550 of the 1,000,000 origins in Chrome's top 1M in September 2024, or 22.1%, are absent from Chrome UX data in all of July, August and September 2026. More than one in five popular origins no longer has enough real Chrome traffic to appear at all.
Some of these sites shut down, some moved to a new domain and some simply lost visitors. The probe below separates those outcomes.
About half of the dropouts no longer load
In the 2,822-site sample of dropouts, 48.2% are unreachable, 10.5% return an HTTP error, 12.3% redirect to a different domain, 6.2% are near-empty or parked and 22.8% are still live with lower traffic. Applied to the 22.1% that dropped out, that puts an estimated 10.6% of 2024's top 1M offline.
The redirect group is a reminder that not every dropout is a loss. Those sites likely moved to a new domain, merged into another brand or were acquired. The still-live group stayed online but lost enough traffic to fall out of Chrome's published data.
Looking only at the 1,605 dropouts the probe reached, the outcome differs by how popular the site was. Those ranked in the top 100K in 2024 more often redirect to a different domain, at 27.2% of 151, than those ranked 500K to 1M, at 20.5% of 850.
The less popular group is more often still live: 42.0%, against 34.4% for the top 100K. Bigger sites that vanish likely tend to be folded into another domain, while smaller ones more often linger with fewer visitors.
10.6%
Upper estimate of the share of Chrome's September 2024 top 1M that no longer load at all. Most hosts counted as unreachable gave no answer to our check.
Less popular sites disappear more often
Dropout rises steadily as popularity falls. Only 7.1% of the top 1K origins of 2024 are gone, against 13.7% of the 9,000 ranked 1K to 10K, 19.7% of the 90,000 ranked 10K to 100K and 22.4% of the 900,000 ranked 100K to 1M.
The full breakdown in the chart shows the curve flattening near the bottom of the list: 22.3% of origins ranked 100K to 500K are gone, and 22.5% of those ranked 500K to 1M. Below the top 100K, the dropout rate is close to the same wherever a site sat.
Survivors slipped down the rankings
Staying in Chrome UX data is not the same as staying in the top 1M. Of the 779,450 origins from 2024's top 1M that are still in the data, 194,946, or 25.0%, now rank below the top 1M.
Put together, only 58.5% of 2024's top 1M is still in it two years later. A spot on the list is not a fixed position; a large share of sites lose ground even when they stay online.
What this means for your site
A large share of popular sites disappear within two years, and that has practical effects for site owners.
- Check your outbound links. Pages that cite or link to other sites will collect dead links over time. Crawl your site for external links that return errors, redirect to unrelated domains or land on parked pages, and replace or remove them.
- Protect your own domain. Keep it on auto-renew and keep contact details current, so it cannot lapse by accident.
- If you retire or rebrand a site, redirect it. Map old URLs to their closest pages on the new domain rather than letting the old one go dark, so the links it earned keep their value.
- Watch your traffic trend, not only your uptime. A site can stay online and still lose enough visitors to drop down or out of the rankings.
Sources
- Chrome UX Report (CrUX) public dataset, September 2024 and July to September 2026
- PageSpeed Matters check of a random sample of dropped-out origins, October 2026
- Chrome UX Report documentation: https://developer.chrome.com/docs/crux
- Google Search Central, site moves with URL changes: https://developers.google.com/search/docs/crawling-indexing/site-move-with-url-changes
Embed this research
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<iframe id="psm-website-death-rate" src="https://www.pagespeedmatters.com/embed/data-studies/website-death-rate" width="100%" height="600" style="width:100%;border:1px solid #E2E3E1;border-radius:12px" loading="lazy" title="Website Death Rate: 1 in 5 of 2024's Top 1M Sites Have Vanished From Chrome's Data - PageSpeed Matters"></iframe>
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<p style="font:14px/1.5 system-ui,sans-serif">Source: <a href="https://www.pagespeedmatters.com/resources/data-studies/website-death-rate">Website Death Rate: 1 in 5 of 2024's Top 1M Sites Have Vanished From Chrome's Data - PageSpeed Matters</a></p>
Frequently asked questions
What percentage of websites disappear within two years?
Of the sites in Chrome's top 1M in September 2024, 22.1% have dropped out of Chrome UX data by July to September 2026. Based on a probe of a sample, up to 10.6% no longer load at all; most of the hosts counted as unreachable gave no answer to the check.
Does dropping out of Chrome UX data mean a site is dead?
Not always. In a 2,822-site sample of dropouts, 48.2% were unreachable, 12.3% redirected to a different domain and 22.8% were still live with lower traffic.
Are less popular websites more likely to disappear?
Yes. 7.1% of 2024's top 1K origins are gone from Chrome UX data, against 22.4% of the 900,000 origins ranked 100K to 1M.
When a site is retired, rebranded or moved, a planned redirect keeps its links and search visibility from disappearing with it. Need help with this? See our SEO migration services.