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happynumbers.com

Math Centers that Deliver — Differentiation Done Right | HappyNumbers.com

Last scanned Aug 5, 2026, 4:00 AM · 11 views

89

Overall score

Great

Summary

Math Centers that Deliver — Differentiation Done Right | HappyNumbers.com. SEO is fair (70/100) and accessibility is excellent (90/100). Security scores excellent (100/100) and performance excellent (100/100). Top issue: Title longer than 60 characters.

HappyNumbers.com

Math Centers that Deliver — Differentiation Done Right | HappyNumbers.com

Top issues to fix

7 issues found · 1 high priority

  • No H1 heading found

    SEO

    Add exactly one H1 describing the page's main topic — it anchors the document outline for search engines and screen readers.

  • 1 cookie without Secure/HttpOnly flags

    Security

    Set Secure and HttpOnly on session cookies so they can't leak over HTTP or be read by injected scripts.

  • Title longer than 60 characters

    SEO

    Shorten the title to under 60 characters so search results don't truncate it.

  • Missing canonical link

    SEO

    Add <link rel="canonical"> so search engines know which URL variant to index.

  • robots.txt not found

    SEO

    Publish /robots.txt with a Sitemap: directive to guide crawlers.

  • sitemap.xml not found

    SEO

    Publish an XML sitemap and reference it from robots.txt to speed up page discovery.

+1 more issue — details in the sections below.

70

SEO

5 issue(s) found

100

Performance

358 ms

100

Security

HTTPS & header checks

90

Accessibility

1 issue(s) found

Score history

-3 overall since Jul 27, 2026

Overall
89
SEO
70
Security
100
Performance
100
Accessibility
90

Organization

Company details published in this site's own structured data.

HappyNumbers.com

Math Centers that Deliver — Differentiation Done Right | HappyNumbers.com

Contact

Email, phone, and address published on this site's own pages.

Meta tags

Title
Math Centers that Deliver — Differentiation Done Right | HappyNumbers.com
Description
Math Centers that Deliver — Differentiation Done Right | HappyNumbers.com
Canonical
Language
en
Charset
utf-8
Viewport
width=device-width,initial-scale=1,user-scalable=no
Robots meta
Manifest

OpenGraph & Twitter Card

OpenGraph

og:title
Math Centers that Deliver — Differentiation Done Right | HappyNumbers.com
og:description
While you teach small groups, Happy Numbers serves as an independent math center, providing individualized instruction for the rest of the class.
og:type
og:url

Twitter Card

twitter:card
twitter:title
Math Centers that Deliver — Differentiation Done Right | HappyNumbers.com
twitter:description
While you teach small groups, Happy Numbers serves as an independent math center, providing individualized instruction for the rest of the class.

Technologies

Detected frameworks, languages, and tools.

No technologies detected.

Hosting & CDN

Hosting provider
CDN provider
IP address
35.202.229.92
ASN

DNS records

TypeValue
A
  • 35.202.229.92
  • 35.224.253.178
AAAA
MX
  • alt2.aspmx.l.google.com
  • aspmx.l.google.com
  • aspmx3.googlemail.com
  • alt1.aspmx.l.google.com
  • aspmx2.googlemail.com
TXT
  • google-site-verification=Z5591xDGmS6uzqQMVE_my82nlGIprWI2e8AW3I-SZLs
  • google-site-verification=_rPVFHk9FwTUtN6BFfgTmi9gQZ48QoVvm2S8_Y-Ubrw
  • google-site-verification=HTpPGsvfWftDM1pCfFlv_BZGBIrUd2l-qqO8dEFSq6k
  • 7CA5C595DC
  • google-site-verification=5eMDk5P4buMfpK49NXzjKu7-8jfBry19lDwaq35-Vpg
  • yandex-verification: e1a83146bb036de8
  • v=spf1 mx include:_u.happynumbers.com._spf.dmarcld.com ~all
NS
  • ns1.dnsimple.com
  • ns2.dnsimple.com
  • ns3.dnsimple.com
  • ns4.dnsimple.com
CAA
CNAME
IPv6 supportNo

TLS / SSL certificate

Version
TLS 1.3
Issuer
Sectigo Limited
Subject
*.happynumbers.com
Valid from
Oct 10, 2025
Valid to
Oct 25, 2026
Days until expiry
81
SAN domains
*.happynumbers.com, happynumbers.com

Security headers

  • Strict-Transport-SecurityEnabled
  • Content-Security-PolicyEnabled
  • X-Frame-OptionsEnabled
  • X-Content-Type-OptionsEnabled
  • Referrer-PolicyMissing
  • Permissions-PolicyMissing

Compression: gzip · 2 cookie(s) observed

Content & assets

Headings

H1 0 · H2 9 · H3 4

Links

22 internal · 9 external · 1 broken

Images

27 total · 0 missing alt

Scripts / Styles

11 scripts · 1 stylesheets

JS / CSS size

46.4 KB · 0 B

Page size

68.5 KB

Robots.txt & Sitemap

robots.txt
Not found
Disallow rules
0
sitemap.xml
Not found
URLs in sitemap
0

SEO issues

  • Title longer than 60 characters
  • Missing canonical link
  • No H1 heading found
  • robots.txt not found
  • sitemap.xml not found

Accessibility issues

  • No H1 heading found

Scan details

Requested URL
https://happynumbers.com
Final URL
https://happynumbers.com
HTTP status
200
HTTP version
HTTP/1.1
Response time
357 ms
HTML size
68.5 KB
Redirect chain
https://happynumbers.com

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Frequently asked questions

What technology does happynumbers.com use?
We did not detect any specific technologies for happynumbers.com in the latest scan.
Is happynumbers.com secure (HTTPS)?
Yes. happynumbers.com uses TLS 1.3 with a certificate issued by Sectigo Limited, valid until Oct 25, 2026.
Who hosts happynumbers.com?
Hosting provider information for happynumbers.com is not available yet.
What is happynumbers.com's SEO score?
happynumbers.com scored 70/100 for SEO in the latest analysis (fair).
What is happynumbers.com's overall website score?
happynumbers.com has an overall SiteGraph score of 89/100, combining SEO, performance, security, and accessibility.
What company operates happynumbers.com?
happynumbers.com is operated by HappyNumbers.com. Math Centers that Deliver — Differentiation Done Right | HappyNumbers.com
Has happynumbers.com's score changed over time?
happynumbers.com's overall score has declined by 3 points (from 92 to 89) since Jul 27, 2026.