corbettmaths.com
Corbettmaths – Videos, worksheets, 5-a-day and much more
Last scanned Jul 26, 2026, 11:19 AM
Overall score
Great
Summary
Welcome to Corbettmaths! Home to 1000's of maths resources: Videos, Worksheets, 5-a-day, Revision Cards and much more. This website uses WordPress hosted on AUTOMATTIC - Automattic, Inc, US. SEO is good (85/100) and accessibility is excellent (100/100). Security scores good (75/100) and performance excellent (100/100). Top issue: No structured data (JSON-LD) found.
Welcome to Corbettmaths! Home to 1000's of maths resources: Videos, Worksheets, 5-a-day, Revision Cards and much more.
- United States
- Hosted on AUTOMATTIC - Automattic, Inc, US
Top issues to fix
5 issues found · 1 high priority
Missing Content-Security-Policy header
SecurityAdd a CSP to control which sources can run scripts — the strongest single defense against XSS.
Missing X-Content-Type-Options header
SecurityAdd X-Content-Type-Options: nosniff to stop MIME-sniffing attacks.
Missing X-Frame-Options header
SecurityAdd X-Frame-Options (or a CSP frame-ancestors rule) to prevent clickjacking via hidden iframes.
No structured data (JSON-LD) found
SEOAdd JSON-LD (Organization, Article, Product…) to become eligible for rich results.
Missing OpenGraph tags
SEOAdd og:title/og:description/og:image so shared links render a proper preview card.
SEO
2 issue(s) found
Performance
6 ms
Security
HTTPS & header checks
Accessibility
0 issue(s) found
Organization
Company details published in this site's own structured data.
Welcome to Corbettmaths! Home to 1000's of maths resources: Videos, Worksheets, 5-a-day, Revision Cards and much more.
Contact
Email, phone, and address published on this site's own pages.
Meta tags
- Title
- Corbettmaths – Videos, worksheets, 5-a-day and much more
- Description
- Welcome to Corbettmaths! Home to 1000's of maths resources: Videos, Worksheets, 5-a-day, Revision Cards and much more.
- Canonical
- https://corbettmaths.com/
- Language
- en-GB
- Charset
- UTF-8
- Viewport
- width=device-width, initial-scale=1
- Robots meta
- max-image-preview:large
- Manifest
Technologies
Detected frameworks, languages, and tools.
Hosting & CDN
- Hosting provider
- AUTOMATTIC - Automattic, Inc, US
- CDN provider
- —
- IP address
- 192.0.78.128
- ASN
- AS2635 (AUTOMATTIC - Automattic, Inc, US)
DNS records
| Type | Value |
|---|---|
| A |
|
| AAAA | — |
| MX |
|
| TXT |
|
| NS |
|
| CAA | — |
| CNAME | — |
| IPv6 support | No |
TLS / SSL certificate
- Version
- TLS 1.3
- Issuer
- Google Trust Services
- Subject
- tls.automattic.com
- Valid from
- Jun 5, 2026
- Valid to
- Sep 3, 2026
- Days until expiry
- 36
- SAN domains
- tls.automattic.com, 4stepsconnect.com, academiemaisondelacolline.com, accessallareased.co.uk, axispaulstew.com, boring-soap.com, coplataforma.org, coralvinedesign.com, corbettmaths.com, coreartscenter.com, cornerofthecabinet.com, cornerstonechurchag.com, cornerstonechurchne.com, cornwallmusictuition.com, corvusltd.ca, cosmael.com, crime.scot, daisydoesweddings.com, doctoradamelisha.bio, findommegrace.net, gardentoapothecary.com, integraladvice.com.au, interno.mottu.com.br, jamespflynn.com, kakexpresslogistics.link, kantoreikc.com, www.4stepsconnect.com, www.academiemaisondelacolline.com, www.altrinchamdyslexiasupport.co.uk, www.axispaulstew.com, www.boring-soap.com, www.coplataforma.org, www.coralvinedesign.com, www.corbettmaths.com, www.coreartscenter.com, www.cornerofthecabinet.com, www.cornerstonechurchag.com, www.cornerstonechurchne.com, www.cornwallmusictuition.com, www.corvusltd.ca, www.cosmael.com, www.daisydoesweddings.com, www.doctoradamelisha.bio, www.gardentoapothecary.com, www.integraladvice.com.au, www.jamespflynn.com, www.kakexpresslogistics.link, www.kantoreikc.com
Security headers
- Strict-Transport-SecurityEnabled
- Content-Security-PolicyMissing
- X-Frame-OptionsMissing
- X-Content-Type-OptionsMissing
- Referrer-PolicyMissing
- Permissions-PolicyMissing
Compression: gzip · 0 cookie(s) observed
Content & assets
Headings
H1 1 · H2 4 · H3 0
Links
21 internal · 1 external · 0 broken
Images
20 total · 0 missing alt
Scripts / Styles
14 scripts · 5 stylesheets
JS / CSS size
51.8 KB · 117 KB
Page size
123 KB
Robots.txt & Sitemap
- robots.txt
- Found
- Disallow rules
- 1
- sitemap.xml
- Found
- URLs in sitemap
- -1
SEO issues
- No structured data (JSON-LD) found
- Missing OpenGraph tags
Accessibility issues
No accessibility issues detected.
Scan details
- Requested URL
- https://corbettmaths.com
- Final URL
- https://corbettmaths.com
- HTTP status
- 200
- HTTP version
- HTTP/2
- Response time
- 4 ms
- HTML size
- 123 KB
- Redirect chain
- https://corbettmaths.com
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Frequently asked questions
- What technology does corbettmaths.com use?
- corbettmaths.com is built with WordPress, WooCommerce, Nginx.
- Is corbettmaths.com secure (HTTPS)?
- Yes. corbettmaths.com uses TLS 1.3 with a certificate issued by Google Trust Services, valid until Sep 3, 2026.
- Who hosts corbettmaths.com?
- corbettmaths.com is hosted on AUTOMATTIC - Automattic, Inc, US.
- What is corbettmaths.com's SEO score?
- corbettmaths.com scored 85/100 for SEO in the latest analysis (great).
- What is corbettmaths.com's overall website score?
- corbettmaths.com has an overall SiteGraph score of 89/100, combining SEO, performance, security, and accessibility.
OpenGraph & Twitter Card
OpenGraph
Twitter Card