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lean-lang.org

lean-lang.org had about 285.35K visits in September 2026, up 56.92% from August; most traffic is search.

Lean Programming Language

Website traffic

How much traffic does lean-lang.org get?

285.35K

+56.92%MoMEstimated monthly visits
789308.18K205.45K102.73K0
Global rank

102,682

Country rank · United States

111,652

Category rank · Math

185

Average visit duration

01:54

Pages per visit

7.13

Bounce rate

43.85%

Domain age

3.1 years

Search share

52.2%

Sources

Where does lean-lang.org's traffic come from?

  • Search
    52.2%
  • Direct
    28.3%
  • Referrals
    12.0%
  • Social
    4.3%
  • Generative AI
    2.4%
  • Email
    0.8%
  • Other
    0.0%
  • Paid search
    0.0%

Regions

Which countries visit lean-lang.org?

  • United States
    21.0%
  • India
    10.5%
  • Canada
    7.2%
  • United Kingdom
    5.0%
  • Germany
    4.8%

See how lean-lang.org compares with the most visited websites in the world, the fastest growing websites and sites gaining organic search traffic.

Search visibility

What keywords send traffic to lean-lang.org?

Keyword samples

Estimated visitsMonthly searchesVisits ÷ searches
  1. lean programming language6.38K14.82K43%
  2. lean math5.61K12.7K44%
  3. lean language4.01K8.01K50%
  4. leanBRAND3.47K169.99K2%
  5. lean 42.77K5.16K54%

Keyword rankings

Keyword rankings

Example · google.comUnited States · English

86.4M

Search estimate

New 1 · Up 2

Ranking keywords
12,400
Landing pages
4
Search competitors
4
AI citations
2
PositionEstimated visits
  1. google#142M
  2. gmail#118.2M
  3. google maps#19.4M
  4. google drive#14.1M

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Baidu rank

Site profile

What does lean-lang.org show publicly?

  • HTTP 200
  • Hosting ASN
  • DNSSEC
HTTP
200
Page size
214.6 KiB
Hosting
AMAZON-02 · AS16509
TLS
TLSv1.3 · 42 days
Page and SEO
Title
Lean Programming Language
Description
Lean is an open-source programming language and proof assistant that enables correct, maintainable, and formally verified code.
Cross-origin redirect
No
Word count
1,552
Internal / external links
28 / 17
Language
en
H1 / H2
4 / 11
Images missing alt
0 / 18
OG / Twitter
OG · Twitter
Technology and tracking1 tracking
Technology clues
Netlify
Tracking clues
Plausible
External script hosts
cdn.jsdelivr.net · plausible.io
Social links
github.com · bsky.app · linkedin.com · x.com · github.com
Server
Netlify
Security headers
1 / 6
HSTS / CSP
HSTS
Email and DNS security
SPF
Not found
DMARC
Not found
DKIM selectors
Not found
IPv6
No AAAA
DNSSEC
DNSKEY · AD
Site verification TXT
Google
SOA
ns-cloud-c1.googledomains.com
NS
ns-cloud-c1.googledomains.com. · ns-cloud-c2.googledomains.com. · ns-cloud-c3.googledomains.com. · 1 more
Hosting and networkAS16509
A
75.2.60.5
Hosting ASN
AS16509 · 75.2.60.0/24
Hosting organization
AMAZON-02 - Amazon.com, Inc.
Hosting country
US
BGP announcement
Yes
Reverse DNS
acd89244c803f7181.awsglobalaccelerator.com
TLS
TLSv1.3 · Verified
Certificate issuer
YE1
Certificate remaining
42 days
Certificate SAN
DNS:lean-lang.org · DNS:www.lean-lang.org
robots and AI crawlingHTTP 404
Robots.txt
404
Well-known public paths
Present / checked
0 / 5

Website information

When was lean-lang.org registered?

Domain
lean-lang.org
Registration status
Domain registered
Registered
2023-09-05
Registrar
Squarespace Domains II LLC
Expires
2027-09-05
Domain age
3.1 years
DNSSEC
Yes
Registry status
client delete prohibited · client transfer prohibited

Similar sites

What sites are similar to lean-lang.org?

What's in this report

The report starts with a whole-site monthly visit estimate. Search visibility and public site facts follow when they exist.

  • Website traffic is a modeled whole-site estimate, with a source, observation period and confidence.
  • Search visibility is ranking keywords and search traffic, listed separately from whole-site visits.
  • Missing or partial values stay marked in the report.