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ai21.com

AI Systems Built for the Enterprise | AI21

Last scanned Aug 24, 2026, 1:23 PM

92

Overall score

Excellent

Summary

AI21 builds Foundation Models and AI Systems for the enterprise. This website uses WordPress behind Cloudflare CDN. SEO is good (80/100) and accessibility is excellent (90/100). Security scores excellent (100/100) and performance excellent (100/100). Top issue: No H1 heading found.

AI21 builds Foundation Models and AI Systems for the enterprise. Power your most critical enterprise workflows with accurate, reliable, and scalable AI.

Top issues to fix

4 issues found · 1 high priority

  • No H1 heading found

    SEO

    Add exactly one H1 describing the page's main topic — it anchors the document outline for search engines and screen readers.

  • robots.txt not found

    SEO

    Publish /robots.txt with a Sitemap: directive to guide crawlers.

  • sitemap.xml not found

    SEO

    Publish an XML sitemap and reference it from robots.txt to speed up page discovery.

  • 20 broken links on the page

    SEO

    Fix or remove broken links — they waste crawl budget and erode user trust.

80

SEO

3 issue(s) found

100

Performance

365 ms

100

Security

HTTPS & header checks

90

Accessibility

1 issue(s) found

Not enough scan history yet to show a trend — check back after this site has been re-scanned a few more times.

Organization

Company details published in this site's own structured data.

AI21 builds Foundation Models and AI Systems for the enterprise. Power your most critical enterprise workflows with accurate, reliable, and scalable AI.

Meta tags

Title
AI Systems Built for the Enterprise | AI21
Description
AI21 builds Foundation Models and AI Systems for the enterprise. Power your most critical enterprise workflows with accurate, reliable, and scalable AI.
Canonical
https://www.ai21.com/
Language
en-US
Charset
UTF-8
Viewport
width=device-width, initial-scale=1
Robots meta
index, follow, max-image-preview:large, max-snippet:-1, max-video-preview:-1
Manifest

OpenGraph & Twitter Card

OpenGraph

og:title
Homepage | AI21
og:description
AI21 builds Foundation Models and AI Systems for the enterprise. Power your most critical enterprise workflows with accurate, reliable, and scalable AI.
og:type
website
og:url
https://www.ai21.com/

Twitter Card

twitter:card
summary_large_image
twitter:title
twitter:description

Technologies

Detected frameworks, languages, and tools.

Hosting & CDN

Hosting provider
CDN provider
Cloudflare
IP address
ASN

DNS records

TypeValue
A
AAAA
MX
TXT
NS
CAA
CNAME
IPv6 supportNo

TLS / SSL certificate

Version
TLS 1.3
Issuer
Let's Encrypt
Subject
www.ai21.com
Valid from
Aug 7, 2026
Valid to
Nov 5, 2026
Days until expiry
71
SAN domains
www.ai21.com

Security headers

  • Strict-Transport-SecurityEnabled
  • Content-Security-PolicyEnabled
  • X-Frame-OptionsEnabled
  • X-Content-Type-OptionsEnabled
  • Referrer-PolicyEnabled
  • Permissions-PolicyEnabled

Compression: gzip · 1 cookie(s) observed

Content & assets

Headings

H1 0 · H2 15 · H3 14

Links

25 internal · 7 external · 20 broken

Images

26 total · 2 missing alt

Scripts / Styles

69 scripts · 6 stylesheets

JS / CSS size

20.3 KB · 119 KB

Page size

64.5 KB

Robots.txt & Sitemap

robots.txt
Not found
Disallow rules
0
sitemap.xml
Not found
URLs in sitemap
0

SEO issues

  • No H1 heading found
  • robots.txt not found
  • sitemap.xml not found

Accessibility issues

  • No H1 heading found

Scan details

Requested URL
https://ai21.com
Final URL
https://www.ai21.com/
HTTP status
200
HTTP version
HTTP/2
Response time
364 ms
HTML size
64.5 KB
Redirect chain
https://ai21.com → https://www.ai21.com/

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Frequently asked questions

What technology does ai21.com use?
ai21.com is built with WordPress, jQuery, Google Analytics, Google Ads, Meta Pixel.
Is ai21.com secure (HTTPS)?
Yes. ai21.com uses TLS 1.3 with a certificate issued by Let's Encrypt, valid until Nov 5, 2026.
Who hosts ai21.com?
Hosting provider information for ai21.com is not available yet.
What is ai21.com's SEO score?
ai21.com scored 80/100 for SEO in the latest analysis (great).
What is ai21.com's overall website score?
ai21.com has an overall SiteGraph score of 92/100, combining SEO, performance, security, and accessibility.