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Appen

Appen delivers high-quality AI training data, data annotation and model evaluation for the world's leading AI teams. Explore our solutions.

Monthly visits (est.)

1.2M

SEO score

95/100

Visits over time

Estimated from popularity rank
0500K1M1.5M2MOct 25: 1.3MOct 25Nov 25: 754.2KDec 25: 914.7KDec 25Jan 26: 1MFeb 26: 1MFeb 26Mar 26: 1.1MApr 26: 1.3MApr 26May 26: 966.9KJun 26: 765.6KJun 26Jul 26: 1.2MAug 26: 1.1MAug 26Sep 26: 1.7MOct 26: 1.2MOct 26

Whois information

Domainappen.com
RegistrarGoDaddy.com, LLC
Registrar ID146
Created10/08/1997
Expires10/07/2027
Updated10/07/2026
Domain statusclient delete prohibitedclient renew prohibitedclient transfer prohibitedclient update prohibited
DNSSECUnsigned
Registrant countryRedacted
Name serversns-1484.awsdns-57.orgns-1765.awsdns-28.co.ukns-312.awsdns-39.comns-628.awsdns-14.net

Raw whois

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SEO audit

15 of 16 checks passed

95

SEO score

Response 358 ms · 197 KB

  • Served over HTTPS
  • Title tag present
  • Title length 30 to 60 characters
  • Meta description present
  • Description length 70 to 160 characters
  • Exactly one H1 heading
  • Uses H2 sub-headings
  • Canonical URL set
  • Mobile viewport tag
  • Language declared
  • Open Graph tags
  • Twitter card tags
  • Structured data (JSON-LD)
  • Images have alt textAdd alt text to 2 images.
  • At least 300 words of content
  • Responds in under 1.5 seconds
Title (51 characters)
AI Training Data & Human Data for AI Models | Appen
Description (139 characters)
Appen delivers high-quality AI training data, data annotation and model evaluation for the world's leading AI teams. Explore our solutions.
Headings
1 H1, 5 H2, 6 H3
Words on page
646
Links
49 internal, 9 external
Structured data
Organization

On-page keywords

PhraseTypeMentions
training dataTwo words4
synthetic dataTwo words3
data productsTwo words2
frontier alignment cotThree words2
alignment cot reasoningThree words2
sme rlhf sftThree words2
dataWord21
modelsWord11

Tech stack and pricing

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About Appen

What is Appen?

Appen delivers high-quality AI training data, data annotation and model evaluation for the world's leading AI teams. Explore our solutions.

How popular is Appen?

Appen gets an estimated 1.2M visits a month.

What are the best Appen alternatives?

Popular alternatives in October 2026 include Search - Microsoft Bing, ChatGPT, OpenAI, HubSpot.