lichess.org
lichess.org • Free Online Chess
Last scanned Jul 18, 2026, 8:49 PM
Overall score
Great
Top issues to fix
8 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.
+2 more issues — details in the sections below.
Summary
Free online chess server. This website uses Nginx hosted on OVH - OVH SAS, FR. SEO is fair (65/100) and accessibility is good (75/100). Security scores good (85/100) and performance excellent (100/100). Top issue: Meta description longer than 160 characters.
SEO
5 issue(s) found
Performance
117 ms
Security
HTTPS & header checks
Accessibility
2 issue(s) found
Organization
Company details published in this site's own structured data.
Contact
Email, phone, and address published on this site's own pages.
Source: https://lichess.org/contact
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
- OVH - OVH SAS, FR
- CDN provider
- —
- IP address
- 37.187.205.99
- ASN
- AS16276 (OVH - OVH SAS, FR)
DNS records
| Type | Value |
|---|---|
| A |
|
| AAAA |
|
| MX |
|
| TXT |
|
| NS |
|
| CAA |
|
| CNAME | — |
| IPv6 support | Yes |
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
- 75
- 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 10 · H3 0
Links
85 internal · 8 external · 0 broken
Images
16 total · 6 missing alt
Scripts / Styles
42 scripts · 3 stylesheets
JS / CSS size
582 B · 999 B
Page size
35.3 KB
Robots.txt & Sitemap
- robots.txt
- Found
- Disallow rules
- 5
- 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
- sitemap.xml not found
Accessibility issues
- More than 20% of images are missing alt text
- No H1 heading found
Careers
This company has an active careers page, but individual openings weren't reliably parsed from it — visit the page above for current listings.
Scan details
- Requested URL
- https://lichess.org
- Final URL
- https://lichess.org
- HTTP status
- 200
- HTTP version
- HTTP/2
- Response time
- 117 ms
- HTML size
- 35.3 KB
- Redirect chain
- https://lichess.org
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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?
- lichess.org is hosted on OVH - OVH SAS, FR.
- What is lichess.org's SEO score?
- lichess.org scored 65/100 for SEO in the latest analysis (fair).
- What is lichess.org's overall website score?
- lichess.org has an overall SiteGraph score of 81/100, combining SEO, performance, security, and accessibility.
- Is lichess.org hiring?
- lichess.org has a careers page; check it directly for current openings.
OpenGraph & Twitter Card
OpenGraph
Twitter Card