physicsclassroom.com
The Physics Classroom
Last scanned Jul 26, 2026, 5:47 AM
Overall score
Great
Summary
The Physics Classroom serves students, teachers and classrooms by providing classroom-ready resources that utilize an easy-to-understand language that makes learning interactive and multi-dimensional. This website uses Google Analytics behind Cloudflare CDN. SEO is good (75/100) and accessibility is excellent (100/100). Security scores good (75/100) and performance good (80/100). Top issue: Meta description longer than 160 characters.
The Physics Classroom serves students, teachers and classrooms by providing classroom-ready resources that utilize an easy-to-understand language that makes learning interactive and multi-dimensional. Written by teachers for teachers and students, The Physics Classroom provides a wealth of resources that meets the varied needs of both students and teachers.
Top issues to fix
8 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.
Meta description longer than 160 characters
SEOTrim the meta description to under 160 characters to avoid truncation in search results.
No structured data (JSON-LD) found
SEOAdd JSON-LD (Organization, Article, Product…) to become eligible for rich results.
robots.txt not found
SEOPublish /robots.txt with a Sitemap: directive to guide crawlers.
+2 more issues — details in the sections below.
SEO
4 issue(s) found
Performance
1.35 s
Security
HTTPS & header checks
Accessibility
0 issue(s) found
Organization
Company details published in this site's own structured data.
The Physics Classroom serves students, teachers and classrooms by providing classroom-ready resources that utilize an easy-to-understand language that makes learning interactive and multi-dimensional. Written by teachers for teachers and students, The Physics Classroom provides a wealth of resources that meets the varied needs of both students and teachers.
Meta tags
- Title
- The Physics Classroom
- Description
- The Physics Classroom serves students, teachers and classrooms by providing classroom-ready resources that utilize an easy-to-understand language that makes learning interactive and multi-dimensional. Written by teachers for teachers and students, The Physics Classroom provides a wealth of resources that meets the varied needs of both students and teachers.
- Canonical
- https://www.physicsclassroom.com/
- Language
- en
- Charset
- utf-8
- Viewport
- width=device-width, initial-scale=1
- Robots meta
- Manifest
Technologies
Detected frameworks, languages, and tools.
Hosting & CDN
- Hosting provider
- —
- CDN provider
- Cloudflare
- IP address
- —
- ASN
- —
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
- physicsclassroom.com
- Valid from
- Jul 3, 2026
- Valid to
- Oct 1, 2026
- Days until expiry
- 64
- SAN domains
- physicsclassroom.com, *.physicsclassroom.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 8 · H3 0
Links
317 internal · 0 external · 20 broken
Images
7 total · 0 missing alt
Scripts / Styles
17 scripts · 1 stylesheets
JS / CSS size
10.4 KB · 1.5 KB
Page size
713 KB
Robots.txt & Sitemap
- robots.txt
- Not found
- Disallow rules
- 0
- sitemap.xml
- Not found
- URLs in sitemap
- 0
SEO issues
- Meta description longer than 160 characters
- No structured data (JSON-LD) found
- robots.txt not found
- sitemap.xml not found
Accessibility issues
No accessibility issues detected.
Scan details
- Requested URL
- https://physicsclassroom.com
- Final URL
- https://www.physicsclassroom.com/
- HTTP status
- 200
- HTTP version
- HTTP/2
- Response time
- 1.33 s
- HTML size
- 713 KB
- Redirect chain
- https://physicsclassroom.com → https://www.physicsclassroom.com/
See something wrong on this report? Request a correction
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Frequently asked questions
- What technology does physicsclassroom.com use?
- physicsclassroom.com is built with Google Analytics.
- Is physicsclassroom.com secure (HTTPS)?
- Yes. physicsclassroom.com uses TLS 1.3 with a certificate issued by Google Trust Services, valid until Oct 1, 2026.
- Who hosts physicsclassroom.com?
- Hosting provider information for physicsclassroom.com is not available yet.
- What is physicsclassroom.com's SEO score?
- physicsclassroom.com scored 75/100 for SEO in the latest analysis (fair).
- What is physicsclassroom.com's overall website score?
- physicsclassroom.com has an overall SiteGraph score of 81/100, combining SEO, performance, security, and accessibility.
OpenGraph & Twitter Card
OpenGraph
Twitter Card