Topics & Niches

Top 404 Websites

Browse live examples related to 404, then open the strongest domains to inspect traffic, SEO, business posture, and trust signals in more detail.

Cluster total

1,833

Use the full cluster to move from a broad theme into a smaller report shortlist.

Cluster coverage

24 with traffic data

Traffic coverage tells you how many sites in view already support stronger prioritization work.

Fastest analyst move

Open adzilla1.name

Then compare it with 1c.ai to tell whether the first result is representative.

Sort:

Has traffic dataMin score:

#609.7K rank35/100 trust

adzilla1.name

Live site data

adzilla1.name

404error-pageparked-domain

adzilla1.name

63K/mo

#614.3K rank56/100 trust

1c.ai

Live site data

404 Not Found

404nginxerror page

1c.ai

59K/mo

#659.4K rank64/100 trust

auto.nl

Live site data

Verboden in te rijden - auto.nl

automotivecar marketplacenetherlands

auto.nl

55K/mo

#661.4K rank43/100 trust

123movies.link

Live site data

404 Not Found

404nginxerror page

123movies.link

32K/mo

#666.1K rank35/100 trust

1winds.info

Live site data

404 Not Found

404nginxerror page

1winds.info

57K/mo

#672.6K rank41/100 trust

a-site.cn

Live site data

a-site.cn

404not-foundempty-page

a-site.cn

60K/mo

#688.9K rank38/100 trust

1xtraff.biz

Live site data

404 Not Found

404nginxerror page

1xtraff.biz

57K/mo

#696.8K rank54/100 trust

ars-grin.gov

Live site data

Not Found

governmentUSDAagriculture

ars-grin.gov

40K/mo

#697.9K rank59/100 trust

autoform.com

Live site data

Page Not Found

error page404broken link

autoform.com

39K/mo

#703.3K rank30/100 trust

apretailer.com.br

Live site data

apretailer.com.br

error-page404placeholder

apretailer.com.br

59K/mo

#735.3K rank15/100 trust

app-essentials-24.xyz

Live site data

app-essentials-24.xyz

error-page404placeholder

app-essentials-24.xyz

60K/mo

#735.6K rank44/100 trust

2waky.com

Live site data

404 Not Found

404not foundempty page

2waky.com

24K/mo

#755.5K rank20/100 trust

adsmeasurement.com

Live site data

adsmeasurement.com

error-page404domain-parking

adsmeasurement.com

55K/mo

#759.0K rank15/100 trust

1ctr.io

Live site data

1ctr.io

404not foundempty page

1ctr.io

48K/mo

#762.3K rank20/100 trust

apps-za.top

Live site data

Not Found

404error-pagecloudflare

apps-za.top

30K/mo

#796.9K rank43/100 trust

123movies.gallery

Live site data

404 Not Found

404nginxinactive-site

123movies.gallery

32K/mo

#816.4K rank46/100 trust

ambevdevs.com.br

Live site data

Microsoft Azure Web App - Error 404

azuremicrosofterror-page

ambevdevs.com.br

35K/mo

#844.4K rank41/100 trust

a9avip6.com

Live site data

404 Not Found

404nginxerror page

a9avip6.com

24K/mo

#845.0K rank54/100 trust

aok-systems.de

Live site data

An Error Occurred: Not Found

error-page404server-error

aok-systems.de

12K/mo

#847.3K rank59/100 trust

6parkbbs.com

Live site data

404 Not Found

404nginxerror page

6parkbbs.com

40K/mo

#856.1K rank43/100 trust

aoncover.com

Live site data

404 Not Found

404error-pagedead-site

aoncover.com

42K/mo

#866.7K rank46/100 trust

a4cdn.org

Live site data

404 Not Found

404nginxerror page

a4cdn.org

31K/mo

#888.3K rank41/100 trust

a9avip5.com

Live site data

404 Not Found

404nginxerror page

a9avip5.com

19K/mo

#888.4K rank54/100 trust

appointmaster.com

Live site data

Not Found

error-page404placeholder

appointmaster.com

31K/mo

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Cluster takeaways

What stands out in 404

Fastest representative example

adzilla1.name and 1c.ai are the quickest live reports to open when you need to understand the 404 cluster.

Trust baseline

The average legitimacy score is 42/100, which suggests a weaker quality posture across this cluster before you open individual reports.

Traffic coverage

100% of indexed sites in this cluster already have traffic data, which gives you broad coverage for cluster-level prioritization instead of pure guesswork.

Dominant technology signal

Unknown shows a dominant recurring technology signal in this cluster, so treat it as a useful pivot rather than a universal pattern.

Audience/topic signal

404 shows a dominant recurring topical signal here, which helps explain where adjacent niche pages and compare opportunities should go next.

Aggregate stats

24indexed sites

24 with traffic data — broad coverage for prioritization.

Avg legitimacy score

42/ 100

weaker quality posture across currently indexed sites.

Traffic rank distribution

Top 1M: 24

Top technologies

Detected technology signals in this filtered cluster, not universal market share.

Unknown21Cloudflare3

Use 404 as a decision shortcut

A directory page reduces the time it takes to move from a broad idea into a shortlist of real domains you can inspect. Treat it as the shortlist layer, not the final answer.

Keep exploring

Where to go after 404

Use these links to jump from the directory into live reports, comparisons, and adjacent browse paths without losing context.

Browse path

Questions about 404

These pages should help visitors understand both the list itself and the next best navigation move.

What can I learn from the 404 topic page?

Use this page to scan websites connected to 404, open the strongest candidates, and compare their detailed report modules before making a decision.

What is the difference between a topic page and a category page?

A topic page is more editorial and audience oriented. It is useful when you care about niche intent and content themes more than formal business classification.

How should I use topic pages in a research workflow?

Start with the topic, identify standout domains, then use the report modules to judge authority, monetization posture, and technical sophistication.