hmhco.com favicon

hmhco.com

https://hmhco.com· First analyzed 20 Feb 2026· Updated 20 Feb 2026
Export
hmhco.com

Sponsored

Hosting Provider

IP Address

45.60.101.203

Server Location

🇺🇸 San Mateo, United States

ASN

AS19551

Organization

Incapsula Inc

Server

Nginx

CDN

CloudFront

Nameservers

ns-1900.awsdns-45.co.uk.ns-341.awsdns-42.com.ns-951.awsdns-54.net.ns-1193.awsdns-21.org.

Performance

Page Speed

603 KB
59 requests

Image Optimization

Lazy Load
0–49
50–89
90–100

Architecture Stack

Monolithic
⚙️ SSR
Craft CMS

Technology Stack

8 Technologies Detected

Libraries

1

Other

1

CSS Frameworks

1

Tag Managers

1

Other

1

Web Servers

1

SEO Analysis

A+94/100
13
1
0
H
hmhco.comhmhco.com

HMH: K-12 Adaptive Learning Company

An adaptive learning company, HMH creates K-12 integrated curriculum, assessment and professional learning solutions that power students’ growth.

Title Length35 chars

Recommended: 50-60 chars

Description Length145 chars

Recommended: 120-160 chars

Issues (0)

    Crawlability

    Sitemap

    Type: index

    4 URLs

    robots.txt

    52 rules

    Sitemap reference found

    Sponsored

    Sponsored

    D

    Security Score

    46%Poor
    Interactive

    HTTPS

    WAF

    150d

    Certificate Details

    Type

    Domain Validated (DV)

    Certificate Authority

    GlobalSign nv-sa

    Key Algorithm

    RSA (2048 bit)

    Signature

    SHA-256 with RSA

    TLS Version

    TLSv1.3

    HTTP Protocol

    HTTP/2

    Valid From

    21.01.2026

    Valid Until

    20.07.2026

    OCSP Stapling

    Enabled

    Subject Alternative Names (20)

    *.unitsofstudy.compre.channelone.com*.gomathacademy.comdigital.fountasandpinnell.comanalytics.gogetwaggle.comwww.gogetwaggle.comfpdms.heinemann.com*.edr00.slkcut01.nwea.org+12 more

    SHA-256 Fingerprint

    02:FB:83:95:90:B2:B0:78:D8:FD:86:69:F5:02:CA:1E:6B:5E:0B:DB...

    Top Recommendations

    Security recommendation preview

    HTTP Headers

    Developer Console

    cache-control
    🟡 0s(max-age=0)
    content-encoding
    📦 Gzip(gzip)
    content-type
    text/html; charset=utf-8
    date
    Fri, 20 Feb 2026 01:45:16 GMT
    etag
    W/"67770-WkT9DPPoMLRzFNcoDnMtk/a6sN4"
    expires
    Fri, 20 Feb 2026 01:45:16 GMT
    Good Warning Issue

    Email Infrastructure

    Mimecast

    Score

    70

    SPF
    DKIM
    DMARC

    MX Records (2)

    us-smtp-inbound-2.mimecast.com
    us-smtp-inbound-1.mimecast.com

    Domain Information

    hmhco.com

    Domain Age
    19 years

    Created

    18.02.2007

    Expires

    18.02.2027

    Last Updated

    03.02.2026

    Registrar

    Network Solutions, LLC

    DNSSEC
    Not Enabled

    Privacy & Compliance

    OneTrust

    Cookie Consent Banner
    OneTrust
    Privacy Policy
    Terms of Service

    GDPR Indicators

    Cookie consent banner detected
    CMP: OneTrust
    Privacy policy page linked
    Data Protection Officer mentioned

    Typography & Readability

    HMHMicro-Medium + ProximaNova

    86/100
    Readability
    /30
    40/40

    24px · LH 1.50

    Hierarchy
    /20
    25/25

    3.33x ratio

    WCAG
    /25
    15/15

    Contrast: undefined

    Performance
    /25
    13/20

    2 fonts

    Heading Font

    HMHMicro-Medium

    Sans80px

    Body Font

    ProximaNova

    Sans24px

    Contrast Ratio

    --

    Reading Comfort

    ~33 CPL

    Needs attention
    80px
    h1
    36px
    h2
    28px
    h3
    24px
    h4
    24px
    p

    ✅ Excellent readability: 24px body text is ideal for all devices.

    ✅ Optimal line spacing: 1.50 ratio ensures comfortable reading.

    ✅ Strong hierarchy: Headlines are 3.3x larger than body text.

    ✅ Good performance: Using 2 font families keeps load times fast.

    ✅ Smart font loading: Using font-display: swap prevents invisible text during load.

    ✅ Protected text on images: Using gradient for readability.

    Business & Marketing Stack

    5 Tools Detected

    Enterprise

    Behavior Analytics

    3

    User behavior and product analytics

    Privacy & Cookies

    1

    Cookie consent and privacy compliance tools

    A/B Testing & Optimization

    1

    Experimentation and conversion optimization

    3

    Categories

    5

    Total Tools

    1

    Enterprise

    1

    Mid-Market

    Assessment: Sophisticated marketing and sales technology infrastructure

    Sponsored

    Scripts & Styles

    15 Resources

    14
    Scripts
    1
    Styles
    10
    Async
    5
    Defer

    Top Script Sources

    d.oracleinfinity.io(4)googletagmanager.com(2)local(2)scripts.clarity.ms(1)clarity.ms(1)

    Sponsored

    Last analyzed: 20 Feb 2026 at 01:45

    Historical Analysis & Change Tracking