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 apacatapult.com

Then compare it with abkk.com to tell whether the first result is representative.

Sort:

Has traffic dataMin score:

#8.6M rank59/100 trust

apacatapult.com

Live site data

Simple 404 Error Page Design

404error-pageplaceholder

apacatapult.com

2K/mo

#8.7M rank41/100 trust

abkk.com

Live site data

404 Not Found

404nginxerror page

abkk.com

#8.8M rank35/100 trust

agle1.cc

Live site data

Error 404 (Not Found)!!1

error-page404google-error

agle1.cc

1K/mo

#9.2M rank54/100 trust

aigenerations.net

Live site data

404: NOT_FOUND

error-pagedeployment-errorvercel

aigenerations.net

2K/mo

#9.7M rank15/100 trust

appjourney-2023.xyz

Live site data

appjourney-2023.xyz

error-page404not-found

appjourney-2023.xyz

2K/mo

#10.1M rank36/100 trust

adito.cloud

Live site data

adito.cloud

error-page404default-backend

adito.cloud

2K/mo

#10.2M rank64/100 trust

acl.com

Live site data

Site Not Configured | 404 Not Found

404site not configuredWP Engine

acl.com

2K/mo

#10.4M rank41/100 trust

91guzhi.com

Live site data

404

404file not foundinactive website

91guzhi.com

#10.5M rank46/100 trust

1costadelsol.com

Live site data

404 Not Found

404nginxerror page

1costadelsol.com

#10.5M rank41/100 trust

addpotion.com

Live site data

404: NOT_FOUND

error-page404deployment-error

addpotion.com

2K/mo

#10.6M rank36/100 trust

13400.com

Live site data

13400.com

404not-foundplaceholder

13400.com

498/mo

#11.2M rank59/100 trust

advertisingstuff.co.uk

Live site data

404 Not Found

404error-pagenginx

advertisingstuff.co.uk

899/mo

#11.3M rank61/100 trust

awardspace.biz

Live site data

Page not found - AwardSpace.com

web hostingerror page404

awardspace.biz

1K/mo

#12.0M rank46/100 trust

0898bus.com

Live site data

404 Not Found

404nginxerror page

0898bus.com

2K/mo

#12.1M rank46/100 trust

824d.com

Live site data

404

404not foundempty page

824d.com

2K/mo

#12.2M rank59/100 trust

4sedan.com

Live site data

404 Not Found

404not founderror page

4sedan.com

949/mo

#12.2M rank61/100 trust

ahs2.org

Live site data

The owner of this domain has not yet uploaded their website.

web hostingdreamhosterror page

ahs2.org

2K/mo

#12.2M rank41/100 trust

360yao.com

Live site data

Not Found

404not founderror page

360yao.com

2K/mo

#12.3M rank44/100 trust

assist.com

Live site data

404: NOT_FOUND

error-pagedeploymenthosting

assist.com

1K/mo

#12.5M rank41/100 trust

ashes.wiki

Live site data

404 — Not Found

error-page404wiki

ashes.wiki

1K/mo

#12.6M rank54/100 trust

acteurfse.net

Live site data

Not Found

404not founderror page

acteurfse.net

810/mo

#13.1M rank25/100 trust

avengetech.net

Live site data

404 Not Found

error404domain-parking

avengetech.net

411/mo

#13.3M rank41/100 trust

adlion.jp

Live site data

404 Not Found

404error-pagejapanese

adlion.jp

1K/mo

#13.7M rank46/100 trust

51barcode.com

Live site data

404 Not Found

Cluster takeaways

What stands out in 404

Fastest representative example

apacatapult.com and abkk.com are the quickest live reports to open when you need to understand the 404 cluster.

Trust baseline

The average legitimacy score is 46/100, which suggests a mixed 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

46/ 100

mixed quality posture across currently indexed sites.

Traffic rank distribution

Top technologies

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

Unknown21Cloudflare2WordPress1

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.