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openstax.org

openstax.org had about 9.87M visits in September 2026, up 67.19% from August; most traffic is direct.

OpenStax

Website traffic

How much traffic does openstax.org get?

9.87M

+67.19%MoMEstimated monthly visits
78910.66M7.1M3.55M0
Global rank

5,527

Country rank · United States

1,595

Category rank · Universities and Colleges

64

Average visit duration

05:18

Pages per visit

3.94

Bounce rate

39.84%

Domain age

15 years

Search share

14.3%

Sources

Where does openstax.org's traffic come from?

  • Direct
    66.2%
  • Search
    14.3%
  • Referrals
    12.9%
  • Social
    2.9%
  • Generative AI
    2.7%
  • Email
    0.8%
  • Display ads
    0.1%
  • Other
    0.0%
  • Paid search
    0.0%

Regions

Which countries visit openstax.org?

  • United States
    78.8%
  • Canada
    4.7%
  • Mexico
    2.1%
  • Philippines
    1.5%
  • India
    0.9%

See how openstax.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 openstax.org?

Keyword samples

Estimated visitsMonthly searchesVisits ÷ searches
  1. openstaxBRAND164.33K113.18K145%
  2. open staxBRAND17.14K13.9K123%
  3. free textbook websitesBRAND6.15K72.36K9%
  4. openstax physicsBRAND4.59K3.9K118%
  5. openstax anatomy and physiologyBRAND4.4K4.94K89%

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 openstax.org show publicly?

  • HTTP 200
  • Email authentication
  • Hosting ASN
HTTP
200
Page size
12.1 KiB
Hosting
AMAZON-02 · AS16509
Email authentication
SPF · DMARC none
TLS
TLSv1.3 · 170 days
Page and SEO
Title
OpenStax
Description
OpenStax offers free college textbooks for all types of students, making education accessible & affordable for everyone. Browse our list of available subjects!
Cross-origin redirect
No
Word count
0
Internal / external links
0 / 0
Language
en-US
H1 / H2
0 / 0
Images missing alt
0 / 0
OG / Twitter
OG · Twitter
Feed / Manifest / AMP
Manifest
Technology and tracking1 tracking
Technology clues
React
Tracking clues
Meta Pixel
External script hosts
script.crazyegg.com
Server
AmazonS3
Security headers
0 / 6
Email and DNS securitySet
SPF
Set
DMARC
Set · none
DKIM selectors
google
Mail stack
Google Workspace
IPv6
No AAAA
Site verification TXT
Atlassian · Facebook · Google · Microsoft
SOA
ns-2027.awsdns-61.co.uk
NS
ns-1195.awsdns-21.org. · ns-2027.awsdns-61.co.uk. · ns-358.awsdns-44.com. · 1 more
MX
10 aspmx.l.google.com. · 20 alt1.aspmx.l.google.com. · 20 alt2.aspmx.l.google.com. · 4 more
Hosting and networkAS16509
A
3.173.254.47 · 3.173.254.14 · 3.173.254.63 · 3.173.254.4
Hosting ASN
AS16509 · 3.173.254.0/24
Hosting organization
AMAZON-02 - Amazon.com, Inc.
Hosting country
US
BGP announcement
Yes
Reverse DNS
server-3-173-254-47.nrt12.r.cloudfront.net
TLS
TLSv1.3 · Verified
Certificate issuer
Amazon RSA 2048 M04
Certificate remaining
170 days
Certificate SAN
DNS:openstax.org · DNS:*.openstax.org
robots and AI crawlingHTTP 200
Robots.txt
200
Global Disallow /
No
Sitemap
URL set · 344
AI explicitly disallowed
0
AI explicitly allowed
0
Well-known public paths
Present / checked
0 / 5

Website information

When was openstax.org registered?

Domain
openstax.org
Registration status
Domain registered
Registered
2011-09-27
Registrar
GoDaddy.com, LLC
Expires
2032-09-27
Domain age
15 years
DNSSEC
No
Registry status
client delete prohibited · client renew prohibited · client transfer prohibited · client update prohibited

Similar sites

What sites are similar to openstax.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.