cengage.com

.com toplist crawl

First seen 2026-04-11 · Last seen 2026-05-19 · ok HTTP/1.1 200 1582 ms crawled 2026-05-18

US · 69.32.208.75 · AS27365 Cengage Learning, Inc.

Reputation 100/100

Classifying

HTML metadata

Title
The Leading Provider of Higher Education Course Materials – Cengage
Description
Cengage helps higher education instructors, learners and institutions thrive with Cengage's Learning Platforms and course materials built around their needs.
Language
en
Canonical
https://www.cengage.com/
Translations
  • en-au
  • en-ca
  • en-gb
  • en-nz
  • en-us

Open Graph

title
Cengage - The Leading Provider of Higher Education Course Materials
description
Cengage helps higher education instructors, learners and institutions thrive with course materials built around their needs. At Cengage, we’re here for you.

Technology

CDN
Cloudflare
Analytics
  • Google Analytics
  • Google Tag Manager
  • Hotjar
Fonts
  • Google Fonts
Third-party hosts loaded (25)
  • embed.widencdn.net×17
  • fonts.googleapis.com×5
  • cdn.optimizely.com×4
  • play.vidyard.com×4
  • bat.bing.com×3
  • cdn3.optimizely.com×3
  • client-eventing-production01.cengage.info×3
  • d3v27wwd40f0xu.cloudfront.net×3
  • facebook.com×3
  • google-analytics.com×3
  • google.com×3
  • gstatic.com×3
  • img.en25.com×3
  • logx.optimizely.com×3
  • px.ads.linkedin×3
  • s.btstatic.com×3
  • s.salecycle.com×3
  • s.thebrighttag.com×3
  • vars.hotjar.com×3
  • cdn.evgnet.com×1
  • cengage.widen.net×1
  • instant.page×1
  • www.cengage.ca×1
  • www.cengage.uk×1
  • www.googletagmanager.com×1

Social

Registration

Registrar
Key-Systems GmbH
Created
2007-06-15
Expires
2027-06-15 391 days left
Updated
2026-05-15
Name servers
  • a1-49.akam.net
  • a13-64.akam.net
  • a14-65.akam.net
  • a20-66.akam.net
  • a6-67.akam.net
  • a9-64.akam.net

DNS records live

NS
  • a20-66.akam.net
  • a6-67.akam.net
  • a9-64.akam.net
MX
  • 10 mxa-0012df01.gslb.pphosted.com
  • 10 mxb-0012df01.gslb.pphosted.com
TXT
Show 35 TXT records
  • nx1g6jw40mf9kk91kk9fhp097qgzjfgw
  • atlassian-domain-verification=nlYxrfHVHOx6xAROWhYkj0qlqsuD8icY76/zzexHo7ltLc37TR65PX4JXnfKTKsk
  • jetbrains-domain-verification=a0y0wvbxlf5cjmzp5xxeue5s1
  • pendo-domain-verification=b29152b5-8c0a-4ca9-bcb7-cd4a9f3167be
  • amazonses:9gG9U0Lq8dN2UmomYK8l3KdOlkgMa+mnI2rykI6k5OE=
  • hlg77cp9rqkrvmw1gcdk85rzr0mlwpz2
  • google-site-verification=81nfnsdzn7AkMec_CFlzwpc-74eEYPewLRbTHz4PQ68
  • ca3-010c96dc70424fcf926cbbcc328895b9
  • canva-site-verification=i-clypBOQ_EIkPkiTrsj5Q
  • jamf-site-verification=lbpt07mBT7VIXextB7Z2iw
  • -aVVLZih6eW_hJI8U15kTukhjMoJ
  • ca3-77af619fc9f94842ac5b06c656c09de1
  • ca3-08347303430347caa5efdc0f16011f86
  • amazonses:ZM4eVRk97YUcHxkUC86AVem6V2IpdP6OnnY1W5LGrho=
  • lqyrmnh95ytdfl4t33jvdg9n8xf61cwq
  • openai-domain-verification=dv-ElVgkGuW38ITDqs3vQ3OilBu
  • e259XBTIajsWpP7xjZXeBs8g+Hx9cAxlKHEs5yE49eti2FFCEmmZeumJ79QU7Xf2h7rjJrKMCxDJp8VCIfgRbw==
  • onetrust-domain-verification=8992c9ef19b14ccf84bc7c93bdd68372
  • Dynatrace-site-verification=8846c63b-5bc7-4933-a1e3-ba5d266f31cf__dkc7snecm1tqgv92msaufmv1a0
  • extensis-domain-verification=521ba37c-0621-4e5a-bffc-aac3658c82e6
  • google-site-verification=tCSYUitMiwJtbVb_9zj0h0KgQ2dg7UtcGArBd0nPjAM
  • facebook-domain-verification=94xv76rrwldjw6bter1pd09lebpvzp
  • Dynatrace-site-verification=ae835581-28a2-4c27-806a-a296df18563f__k74n86q9sk62ojhtv9s2cchdm0
  • google-site-verification=rMegLmxTlbTTydYNGH-cOiN9WcOFsuaXx9gpR2RMwx8
  • tvmd0p25vpf6p8qj6bqkfx4cwpnb3f7p
  • 6kg49tjr73tbbphlx3g5tyy3v5kfyscf
  • docusign=3b8ea700-ffcd-4502-85ec-47cee340dcc8
  • ca3-72aa42386d5f4267986bf164aef3b924
  • _89073x4a4jxl8bo4acft6lvx4sij4nf
  • m7g/5gjTgLDClq+067EKbbxE2fKjHuuo3yJz2/q+JcHmqgoiLrouEtb4aaYusUBl+gXCxnsPwBIk+gsJtxWZng==
  • cl_verification=5ee9438f-89f0-4e9b-8509-45a7d55c8fd2
  • slack-domain-verification=kVF5zo1TjQzg8muoanv1ET8v6hVwMhCwdvJeTUlE
  • wrike-verification=MjcxNDk5NTozZmFhMWNjN2FjMWE5ZjBhMjNiMjlkOGRlYjc2OGNiNzUxNGE4NDM1M2Y2ZWFiMGM3MzJlMDBjMmQzMzhiYjU2
  • google-site-verification=L_XIohOodP_pkkG1LWK5fgTNPu5zY992G2p9vzxnpT0
  • pardot964913=ebff28138cab9f5156f2232eedce4d4d9d0b347c567e7355bf45717b5cfdee5d

Email authentication strong

SPF
v=spf1 include:%{ir}.%{v}.%{d}.spf.has.pphosted.com -all
strict (-all)
DMARC
v=DMARC1; p=reject; fo=1; rua=mailto:dmarc_rua@emaildefense.proofpoint.com; ruf=mailto:dmarc_ruf@emaildefense.proofpoint.com
policy: reject (enforced)
DKIM
Show 4 DKIM selectors
  • google: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAmO01S9FJj3ClQQHUE7WoAl1pUxm/Do3g8ANlsy5v4XtI7ohXezVMHfmimmTghWzJziR82nl7lIat2X…
  • k2: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAv2aC2KjGKLOwTweBY5A9RpjsxaBXR9r7OAU6U8/zn92ivImI75naUujWbItRI/QmL1jy5PWGqLwoUA…
  • s1: k=rsa; t=s; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAu5M5vf8S6kfU0xoXAW8EWge1KPW+SRd4bxehiEI1Hrq4n+9si+OA1s1IYUV9enc0QNHFPZiKIe8C5wy26W…
  • s2: k=rsa; t=s; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAtR2t8BH/v9xdCjeF7k4sJraw95Cb2Z3MIbkk+j1LMOq+SMHyRUir2WGwqIBgmEkLkCUopUCNvjmY/O3FC3…
selectors probed

Certificate (current)

Sectigo Public Server Authentication CA OV R36
from 2026-02-11 to 2027-03-13
Expires in 297 days

HTTP security headers

Header hygiene 85/100 Checked live page: https://www.cengage.com/

present
  • strict-transport-security
  • content-security-policy
  • x-frame-options
  • x-content-type-options
  • referrer-policy
findings
  • CSP allows unsafe inline scripts/styles
  • CSP uses wildcard sources
  • missing Permissions Policy
Header values
referrer-policy
no-referrer-when-downgrade
x-frame-options
SAMEORIGIN
x-content-type-options
nosniff
content-security-policy
default-src https: blob: 'self' 'unsafe-inline' 'unsafe-eval' http://ngl.cengage.com https://embed.widencdn.net https://cengage.widen.net https://ngl.cengage.com https://*.cengage.com/; connect-src https://*.redditstatic.com https://*.reddit.com http://ngl.cengage.com https://ixfd2-api.bc0a.com https://ngl.cengage.com https://cengage630.outgrow.us https://44.238.122.172 https://100.20.58.101 https://35.85.84.151 https://44.228.85.26 https://34.215.155.61 https://35.160.46.251 https://52.71.121.170 https://18.210.229.244 https://44.212.189.233 https://3.212.39.155 https://52.22.50.55 https://54.156.2.105 https://px.ads.linkedin.com https://*.survicate.com wss://*.zopim.com https://*.company-target.com https://*.demandbase.com https://*.zendesk.com https://*.zdassets.com https://*.cengage.com https://*.cengage.ca https://analytics.pangle-ads.com/api/v2/pangle_pixel https://*.cengage.info https://*.googleapis.com https://*.optimizely.com https://stats.g.doubleclick.net https://*.googleap
strict-transport-security
max-age=31536000; includeSubDomains

Links to (6)

Linked from (11)