aapt.org
AAPT - American Association of Physics Teachers
Last scanned Aug 24, 2026, 1:23 PM
Overall score
Great
Summary
AAPT - American Association of Physics Teachers. This website uses Google Analytics. SEO is fair (70/100) and accessibility is excellent (100/100). Security scores good (85/100) and performance excellent (100/100). Top issue: Missing canonical link.
AAPT - American Association of Physics Teachers
Top issues to fix
10 issues found · 1 high priority
Missing Strict-Transport-Security header
SecurityAdd HSTS so browsers always use HTTPS — this closes the protocol-downgrade attack window.
TLS certificate expires in 28 days
SecurityRenew soon or enable auto-renewal to avoid a browser-warning outage.
Missing X-Content-Type-Options header
SecurityAdd X-Content-Type-Options: nosniff to stop MIME-sniffing attacks.
1 cookie without Secure/HttpOnly flags
SecuritySet Secure and HttpOnly on session cookies so they can't leak over HTTP or be read by injected scripts.
Missing canonical link
SEOAdd <link rel="canonical"> so search engines know which URL variant to index.
No structured data (JSON-LD) found
SEOAdd JSON-LD (Organization, Article, Product…) to become eligible for rich results.
+4 more issues — details in the sections below.
SEO
5 issue(s) found
Performance
606 ms
Security
HTTPS & header checks
Accessibility
0 issue(s) found
Organization
Company details published in this site's own structured data.
Meta tags
- Title
- AAPT - American Association of Physics Teachers
- Description
- AAPT - American Association of Physics Teachers
- Canonical
- Language
- en
- Charset
- UTF-8
- Viewport
- width=device-width, initial-scale=1, shrink-to-fit=no
- Robots meta
- Manifest
Technologies
Detected frameworks, languages, and tools.
Hosting & CDN
- Hosting provider
- —
- CDN provider
- —
- 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
- Sectigo Limited
- Subject
- *.aapt.org
- Valid from
- Oct 27, 2025
- Valid to
- Sep 22, 2026
- Days until expiry
- 28
- SAN domains
- *.aapt.org, aapt.org
Security headers
- Strict-Transport-SecurityMissing
- Content-Security-PolicyEnabled
- X-Frame-OptionsEnabled
- X-Content-Type-OptionsMissing
- Referrer-PolicyMissing
- Permissions-PolicyMissing
Compression: none · 3 cookie(s) observed
Content & assets
Headings
H1 1 · H2 13 · H3 4
Links
87 internal · 34 external · 20 broken
Images
7 total · 1 missing alt
Scripts / Styles
41 scripts · 18 stylesheets
JS / CSS size
3.8 KB · 196 B
Page size
54.8 KB
Robots.txt & Sitemap
- robots.txt
- Not found
- Disallow rules
- 0
- sitemap.xml
- Not found
- URLs in sitemap
- 0
SEO issues
- Missing canonical link
- No structured data (JSON-LD) found
- Missing OpenGraph tags
- robots.txt not found
- sitemap.xml not found
Accessibility issues
No accessibility issues detected.
Scan details
- Requested URL
- https://aapt.org
- Final URL
- https://aapt.org
- HTTP status
- 200
- HTTP version
- HTTP/2
- Response time
- 605 ms
- HTML size
- 54.8 KB
- Redirect chain
- https://aapt.org
See something wrong on this report? Request a correction
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Frequently asked questions
- What technology does aapt.org use?
- aapt.org is built with Django, Bootstrap, jQuery, Google Analytics.
- Is aapt.org secure (HTTPS)?
- Yes. aapt.org uses TLS 1.3 with a certificate issued by Sectigo Limited, valid until Sep 22, 2026.
- Who hosts aapt.org?
- Hosting provider information for aapt.org is not available yet.
- What is aapt.org's SEO score?
- aapt.org scored 70/100 for SEO in the latest analysis (fair).
- What is aapt.org's overall website score?
- aapt.org has an overall SiteGraph score of 87/100, combining SEO, performance, security, and accessibility.
OpenGraph & Twitter Card
OpenGraph
Twitter Card