Summary
- HTTP status
- 200
- IP address
- 45.60.11.203, 45.60.101.203
- ASN
- —
- Hosting provider
- Incapsula Inc
- Country
- US
- Title
- HMH: K-12 Learning Company
- Description
- A K–12 learning company, HMH delivers integrated curriculum, assessment, and professional learning to help educators create growth for every student.
- Language
- en
- Server
- nginx
- Generator
- —
- Certificate
- ValidGlobalSign nv-sa
- Sitemap
- Present
- Domain name
- hmhco.com
SSL/TLS certificate
The SSL/TLS certificate encrypts exchanges between visitors and the website (HTTPS) and proves its identity. It is issued by a certificate authority after a more or less thorough check: of the domain name only (DV), of the organization that owns it (OV), or extended validation (EV).
- Certificate authority
- GlobalSign nv-sa (GlobalSign Atlas R46 DV TLS CA 2026 Q3)
- Validation type
- Domain validation (DV)
- Status
- Valid
- Covered domains
- *.unitsofstudy.com, pre.channelone.com, *.gomathacademy.com, digital.fountasandpinnell.com, analytics.gogetwaggle.com, www.gogetwaggle.com, fpdms.heinemann.com, *.edr00.slkcut01.nwea.org, cert-staging.hmhco.com, heinemann.com and 82 others
- Valid from
- August 26, 2026
- Valid until
- November 24, 2026 (expires in 52 days)
- Protocol
- TLSv1.3
- Key
- RSA 2048 bits
Sitemap
A sitemap lists the pages of a website to help search engines discover them. It can have any name when it is declared in the robots.txt file.
The robots.txt file declares 1 sitemap.
| File | Content | Last modified |
|---|---|---|
| https://www.hmhco.com/sitemap.xml | Index of 4 sitemaps | — |
Redirects
- 301 https://hmhco.com/
- 200 https://www.hmhco.com/ — Final page
Outgoing links
The home page links to 8 other websites.