Website traffic
How much traffic does ck12.org get?
3.9M
+37.66%MoMEstimated monthly visits
4.21M2.81M1.4M0
Global rank
13,957
Country rank · United States
4,840
Category rank · Education
177
Average visit duration
03:52
Pages per visit
3.39
Bounce rate
56.49%
Domain age
20 years
Search share
42.8%
Sources
Where does ck12.org's traffic come from?
- Search42.8%
- Direct30.5%
- Referrals16.1%
- Social4.4%
- Email2.2%
- Paid search2.0%
- Display ads1.4%
- Generative AI0.7%
- Other0.0%
Regions
Which countries visit ck12.org?
- United States66.7%
- India4.3%
- Mexico2.5%
- Philippines2.1%
- Canada1.6%
See how ck12.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 ck12.org?
Keyword samples
Estimated visitsMonthly searchesVisits ÷ searches
- ck12BRAND16.65K16.76K99%
- ck 12BRAND8.29K9.58K87%
- ck-12BRAND6.76K6.9K98%
- flexi5.62K51.76K11%
- 6 feet in cm4.91K49.05K10%
Keyword rankings
Keyword rankings
86.4M
Search estimate
New 1 · Up 2
- Ranking keywords
- 12,400
- Landing pages
- 4
- Search competitors
- 4
- AI citations
- 2
PositionEstimated visits
- google#142M
- gmail#118.2M
- google maps#19.4M
- google drive#14.1M
Full keyword rankings are a Pro feature
Unlock ProSite profile
What does ck12.org show publicly?
- HTTP 200
- Email authentication
- Hosting ASN
- DNSSEC
- HTTP
- 200
- Page size
- 5.4 KiB
- Hosting
- AMAZON-02 · AS16509
- Email authentication
- SPF · DMARC reject
- TLS
- TLSv1.3 · 187 days
Page and SEOSchema 1
- Final URL
- https://www.ck12.org/student/
- Title
- CK12-Foundation
- Cross-origin redirect
- Yes
- Word count
- 0
- Internal / external links
- 0 / 0
- Language
- en
- H1 / H2
- 0 / 0
- Images missing alt
- 1 / 1
- Schema
- Organization
Technology and tracking1 tracking
- Tracking clues
- Google Tag Manager
- External script hosts
- static.ck12.org · accounts.google.com
- Server
- Apache/2.4.58 (Ubuntu)
- Security headers
- 4 / 6
- HSTS / CSP
- HSTS · CSP
- Alt-Svc
- Set
- Cookie
- 2（Secure 1）
Email and DNS securitySet
- SPF
- Set
- DMARC
- Set · reject
- DKIM selectors
- Mail stack
- Google Workspace
- IPv6
- AAAA present
- DNSSEC
- DNSKEY · AD
- CAA issuers
- amazon.com · godaddy.com
- Site verification TXT
- Apple · Facebook · Google · Microsoft
- SOA
- ns-161.awsdns-20.com
- NS
- ns-161.awsdns-20.com. · ns-977.awsdns-58.net. · ns-1136.awsdns-14.org. · 1 more
- MX
- 10 aspmx.l.google.com. · 30 alt1.aspmx.l.google.com. · 30 alt2.aspmx.l.google.com. · 4 more
Hosting and networkAS16509
- A
- 3.173.254.9 · 3.173.254.54 · 3.173.254.87 · 3.173.254.100
- AAAA
- 2600:9000:2957:2c00:19:965:db40:93a1 · 2600:9000:2957:4c00:19:965:db40:93a1 · 2600:9000:2957:6400:19:965:db40:93a1 · 2600:9000:2957:7400:19:965:db40:93a1 · 4 more
- Hosting ASN
- AS16509 · 3.173.254.0/24
- Hosting organization
- AMAZON-02 - Amazon.com, Inc.
- Hosting country
- US
- BGP announcement
- Yes
- Reverse DNS
- server-3-173-254-9.nrt12.r.cloudfront.net
- TLS
- TLSv1.3 · Verified
- Certificate issuer
- Amazon RSA 2048 M01
- Certificate remaining
- 187 days
- Certificate SAN
- DNS:ck12.org · DNS:*.ck12.org
robots and AI crawling1 disallowed
- Robots.txt
- 200
- Global Disallow /
- No
- Sitemap
- Index · 4
- AI explicitly disallowed
- 1
- AI explicitly allowed
- 15
- Disallow examples
- GPTBot
Well-known public paths
- Present / checked
- 0 / 5
Website information
When was ck12.org registered?
- Domain
- ck12.org
- Registration status
- Domain registered
- Registered
- 2006-12-16
- Registrar
- Amazon Registrar, Inc.
- Expires
- 2028-12-16
- Domain age
- 20 years
- DNSSEC
- Yes
- Registry status
- client transfer prohibited
Similar sites
What sites are similar to ck12.org?
Website reports in the same category, with nearby monthly visits.
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.