lmarena.ai
Arena AI: The Official AI Ranking & LLM Leaderboard
Last scanned Jul 26, 2026, 11:19 AM
Overall score
Great
Summary
Chat, compare, vote for the world's best AI models. This website uses Next.js hosted on Cloudflare behind Cloudflare CDN. SEO is good (75/100) and accessibility is excellent (100/100). Security scores excellent (100/100) and performance good (80/100). Top issue: Meta description longer than 160 characters.
Chat, compare, vote for the world's best AI models. Join the community shaping the public leaderboard for LLMs, image, and code models through real-world evaluation.
- United States
- Hosted on Cloudflare
Top issues to fix
5 issues found
1 cookie without Secure/HttpOnly flags
SecuritySet Secure and HttpOnly on session cookies so they can't leak over HTTP or be read by injected scripts.
Meta description longer than 160 characters
SEOTrim the meta description to under 160 characters to avoid truncation in search results.
Missing canonical link
SEOAdd <link rel="canonical"> so search engines know which URL variant to index.
Multiple H1 headings found
SEOKeep a single H1 per page and demote the others to H2/H3.
No structured data (JSON-LD) found
SEOAdd JSON-LD (Organization, Article, Product…) to become eligible for rich results.
SEO
4 issue(s) found
Performance
1.82 s
Security
HTTPS & header checks
Accessibility
0 issue(s) found
Organization
Company details published in this site's own structured data.
Chat, compare, vote for the world's best AI models. Join the community shaping the public leaderboard for LLMs, image, and code models through real-world evaluation.
Meta tags
- Title
- Arena AI: The Official AI Ranking & LLM Leaderboard
- Description
- Chat, compare, vote for the world's best AI models. Join the community shaping the public leaderboard for LLMs, image, and code models through real-world evaluation.
- Canonical
- Language
- en
- Charset
- utf-8
- Viewport
- width=device-width, initial-scale=1, viewport-fit=cover
- Robots meta
- index, follow
- Manifest
Technologies
Detected frameworks, languages, and tools.
Hosting & CDN
- Hosting provider
- Cloudflare
- CDN provider
- Cloudflare
- IP address
- 104.18.14.206
- ASN
- AS13335 (CLOUDFLARENET - Cloudflare, Inc., US)
DNS records
| Type | Value |
|---|---|
| A |
|
| AAAA |
|
| MX |
|
| TXT | — |
| NS |
|
| CAA | — |
| CNAME | — |
| IPv6 support | Yes |
TLS / SSL certificate
- Version
- TLS 1.3
- Issuer
- Google Trust Services
- Subject
- arena.ai
- Valid from
- Jul 1, 2026
- Valid to
- Sep 29, 2026
- Days until expiry
- 63
- SAN domains
- arena.ai, mta-sts.everify.arena.ai, *.mta-sts.everify.arena.ai
Security headers
- Strict-Transport-SecurityEnabled
- Content-Security-PolicyEnabled
- X-Frame-OptionsEnabled
- X-Content-Type-OptionsEnabled
- Referrer-PolicyEnabled
- Permissions-PolicyMissing
Compression: gzip · 3 cookie(s) observed
Content & assets
Headings
H1 2 · H2 0 · H3 0
Links
3 internal · 0 external · 0 broken
Images
0 total · 0 missing alt
Scripts / Styles
103 scripts · 6 stylesheets
JS / CSS size
372 KB · 121 B
Page size
447 KB
Robots.txt & Sitemap
- robots.txt
- Found
- Disallow rules
- 5
- sitemap.xml
- Found
- URLs in sitemap
- 32
SEO issues
- Meta description longer than 160 characters
- Missing canonical link
- Multiple H1 headings found
- No structured data (JSON-LD) found
Accessibility issues
No accessibility issues detected.
Scan details
- Requested URL
- https://lmarena.ai
- Final URL
- https://arena.ai/
- HTTP status
- 200
- HTTP version
- HTTP/2
- Response time
- 1.81 s
- HTML size
- 447 KB
- Redirect chain
- https://lmarena.ai → https://arena.ai/
See something wrong on this report? Request a correction
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Frequently asked questions
- What technology does lmarena.ai use?
- lmarena.ai is built with Next.js, Google Analytics, Cloudflare Analytics.
- Is lmarena.ai secure (HTTPS)?
- Yes. lmarena.ai uses TLS 1.3 with a certificate issued by Google Trust Services, valid until Sep 29, 2026.
- Who hosts lmarena.ai?
- lmarena.ai is hosted on Cloudflare, behind Cloudflare CDN.
- What is lmarena.ai's SEO score?
- lmarena.ai scored 75/100 for SEO in the latest analysis (fair).
- What is lmarena.ai's overall website score?
- lmarena.ai has an overall SiteGraph score of 88/100, combining SEO, performance, security, and accessibility.
OpenGraph & Twitter Card
OpenGraph
Twitter Card