lichess.org
lichess.org • Free Online Chess
Last scanned Jul 29, 2026, 12:00 PM · 11 views
Overall score
Fair
Summary
Free online chess server. This website uses Nginx. SEO is fair (60/100) and accessibility is good (75/100). Security scores good (85/100) and performance excellent (100/100). Top issue: Meta description longer than 160 characters.
Free online chess server. Play chess in a clean interface. No registration, no ads, no plugin required. Play chess with the computer, friends or random opponents.
Top issues to fix
10 issues found · 2 high priority
Missing Content-Security-Policy header
SecurityAdd a CSP to control which sources can run scripts — the strongest single defense against XSS.
No H1 heading found
SEOAdd exactly one H1 describing the page's main topic — it anchors the document outline for search engines and screen readers.
Missing X-Content-Type-Options header
SecurityAdd X-Content-Type-Options: nosniff to stop MIME-sniffing attacks.
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.
No structured data (JSON-LD) found
SEOAdd JSON-LD (Organization, Article, Product…) to become eligible for rich results.
+4 more issues — details in the sections below.
SEO
6 issue(s) found
Performance
119 ms
Security
HTTPS & header checks
Accessibility
2 issue(s) found
Score history
-2 overall since Jul 18, 2026
- Overall
- 79
- SEO
- 60
- Security
- 85
- Performance
- 100
- Accessibility
- 75
Organization
Company details published in this site's own structured data.
Meta tags
- Title
- lichess.org • Free Online Chess
- Description
- Free online chess server. Play chess in a clean interface. No registration, no ads, no plugin required. Play chess with the computer, friends or random opponents.
- Canonical
- Language
- en-US
- Charset
- utf-8
- Viewport
- width=device-width,initial-scale=1,minimum-scale=1,viewport-fit=cover
- Robots meta
- Manifest
- https://lichess.org/manifest.json
Technologies
Detected frameworks, languages, and tools.
Hosting & CDN
- Hosting provider
- —
- CDN provider
- —
- IP address
- —
- ASN
- —
DNS records
| Type | Value |
|---|---|
| A | — |
| AAAA | — |
| MX | — |
| TXT | — |
| NS | — |
| CAA | — |
| CNAME | — |
| IPv6 support | No |
TLS / SSL certificate
- Version
- TLS 1.3
- Issuer
- Let's Encrypt
- Subject
- mta-sts.lichess.org
- Valid from
- Jul 4, 2026
- Valid to
- Oct 2, 2026
- Days until expiry
- 64
- SAN domains
- af.lichess.org, ar.lichess.org, as.lichess.org, az.lichess.org, be.lichess.org, bg.lichess.org, bn.lichess.org, bs.lichess.org, ca.lichess.org, cs.lichess.org, cv.lichess.org, cy.lichess.org, da.lichess.org, de.lichess.org, el.lichess.org, en.lichess.org, eo.lichess.org, es.lichess.org, et.lichess.org, eu.lichess.org, fa.lichess.org, fi.lichess.org, fo.lichess.org, fp.lichess.org, fr.lichess.org, fy.lichess.org, ga.lichess.org, gd.lichess.org, gl.lichess.org, gu.lichess.org, he.lichess.org, hi.lichess.org, hr.lichess.org, hu.lichess.org, hy.lichess.org, ia.lichess.org, id.lichess.org, io.lichess.org, is.lichess.org, it.lichess.org, ja.lichess.org, jb.lichess.org, jv.lichess.org, ka.lichess.org, kb.lichess.org, kk.lichess.org, kn.lichess.org, ko.lichess.org, ky.lichess.org, la.lichess.org, le.lichess.org, lichess.org, lt.lichess.org, lv.lichess.org, mg.lichess.org, mk.lichess.org, ml.lichess.org, mn.lichess.org, mr.lichess.org, mta-sts.lichess.org, nb.lichess.org, nl.lichess.org, nn.lichess.org, oauth.lichess.org, pi.lichess.org, pl.lichess.org, ps.lichess.org, pt.lichess.org, ro.lichess.org, ru.lichess.org, sa.lichess.org, sk.lichess.org, sl.lichess.org, sq.lichess.org, sr.lichess.org, sv.lichess.org, sw.lichess.org, ta.lichess.org, tc.lichess.org, tg.lichess.org, th.lichess.org, tl.lichess.org, tp.lichess.org, tr.lichess.org, uk.lichess.org, ur.lichess.org, vi.lichess.org, www.lichess.org, yo.lichess.org, zh.lichess.org, zu.lichess.org
Security headers
- Strict-Transport-SecurityEnabled
- Content-Security-PolicyMissing
- X-Frame-OptionsEnabled
- X-Content-Type-OptionsMissing
- Referrer-PolicyMissing
- Permissions-PolicyEnabled
Compression: gzip · 1 cookie(s) observed
Content & assets
Headings
H1 0 · H2 12 · H3 0
Links
87 internal · 7 external · 20 broken
Images
17 total · 8 missing alt
Scripts / Styles
42 scripts · 3 stylesheets
JS / CSS size
701 B · 999 B
Page size
34.4 KB
Robots.txt & Sitemap
- robots.txt
- Not found
- Disallow rules
- 0
- sitemap.xml
- Not found
- URLs in sitemap
- 0
SEO issues
- Meta description longer than 160 characters
- Missing canonical link
- No H1 heading found
- No structured data (JSON-LD) found
- robots.txt not found
- sitemap.xml not found
Accessibility issues
- More than 20% of images are missing alt text
- No H1 heading found
Scan details
- Requested URL
- https://lichess.org
- Final URL
- https://lichess.org
- HTTP status
- 200
- HTTP version
- HTTP/2
- Response time
- 119 ms
- HTML size
- 34.4 KB
- Redirect chain
- https://lichess.org
See something wrong on this report? Request a correction
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Frequently asked questions
- What technology does lichess.org use?
- lichess.org is built with Nginx.
- Is lichess.org secure (HTTPS)?
- Yes. lichess.org uses TLS 1.3 with a certificate issued by Let's Encrypt, valid until Oct 2, 2026.
- Who hosts lichess.org?
- Hosting provider information for lichess.org is not available yet.
- What is lichess.org's SEO score?
- lichess.org scored 60/100 for SEO in the latest analysis (fair).
- What is lichess.org's overall website score?
- lichess.org has an overall SiteGraph score of 79/100, combining SEO, performance, security, and accessibility.
- Has lichess.org's score changed over time?
- lichess.org's overall score has declined by 2 points (from 81 to 79) since Jul 18, 2026.
OpenGraph & Twitter Card
OpenGraph
Twitter Card