exrx.net
ExRx.net : Home
Last scanned Jul 26, 2026, 1:19 PM
Overall score
Great
Summary
ExRx.net is a resource for the exercise professional, coach, or fitness enthusiast. This website uses Google Analytics behind Cloudflare CDN. SEO is fair (65/100) and accessibility is excellent (90/100). Security scores good (75/100) and performance excellent (100/100). Top issue: Meta description longer than 160 characters.
ExRx.net is a resource for the exercise professional, coach, or fitness enthusiast. It offers evidence based exercise prescription tools and resources including reference articles, comprehensive exercise libraries, and fitness calculators. ExRx.net is a recommended resource in ACSM's Resource Manual for Guidelines for Exercise Testing and Prescription (5th 6th, and 7th Editions). ExRx.net has also been an NSCA authorized CEU provider since 2008.
Top issues to fix
9 issues found · 3 high priority
Missing Strict-Transport-Security header
SecurityAdd HSTS so browsers always use HTTPS — this closes the protocol-downgrade attack window.
Missing Content-Security-Policy header
SecurityAdd a CSP to control which sources can run scripts — the strongest single defense against XSS.
No H1 heading found
SEOAdd exactly one H1 describing the page's main topic — it anchors the document outline for search engines and screen readers.
Missing X-Content-Type-Options header
SecurityAdd X-Content-Type-Options: nosniff to stop MIME-sniffing attacks.
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.
+3 more issues — details in the sections below.
SEO
5 issue(s) found
Performance
23 ms
Security
HTTPS & header checks
Accessibility
1 issue(s) found
Organization
Company details published in this site's own structured data.
ExRx.net is a resource for the exercise professional, coach, or fitness enthusiast. It offers evidence based exercise prescription tools and resources including reference articles, comprehensive exercise libraries, and fitness calculators. ExRx.net is a recommended resource in ACSM's Resource Manual for Guidelines for Exercise Testing and Prescription (5th 6th, and 7th Editions). ExRx.net has also been an NSCA authorized CEU provider since 2008.
Meta tags
- Title
- ExRx.net : Home
- Description
- ExRx.net is a resource for the exercise professional, coach, or fitness enthusiast. It offers evidence based exercise prescription tools and resources including reference articles, comprehensive exercise libraries, and fitness calculators. ExRx.net is a recommended resource in ACSM's Resource Manual for Guidelines for Exercise Testing and Prescription (5th 6th, and 7th Editions). ExRx.net has also been an NSCA authorized CEU provider since 2008.
- Canonical
- https://exrx.net/
- Language
- en
- Charset
- UTF-8
- Viewport
- width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=no
- 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
- exrx.net
- Valid from
- Jun 23, 2026
- Valid to
- Sep 21, 2026
- Days until expiry
- 54
- SAN domains
- exrx.net, *.exrx.net
Security headers
- Strict-Transport-SecurityMissing
- Content-Security-PolicyMissing
- X-Frame-OptionsEnabled
- X-Content-Type-OptionsMissing
- Referrer-PolicyMissing
- Permissions-PolicyMissing
Compression: gzip · 0 cookie(s) observed
Content & assets
Headings
H1 0 · H2 0 · H3 25
Links
44 internal · 3 external · 20 broken
Images
25 total · 0 missing alt
Scripts / Styles
26 scripts · 3 stylesheets
JS / CSS size
10.1 KB · 5.3 KB
Page size
63.8 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 H1 heading found
- No structured data (JSON-LD) found
- robots.txt not found
- sitemap.xml not found
Accessibility issues
- No H1 heading found
Scan details
- Requested URL
- https://exrx.net
- Final URL
- https://exrx.net
- HTTP status
- 200
- HTTP version
- HTTP/2
- Response time
- 22 ms
- HTML size
- 63.8 KB
- Redirect chain
- https://exrx.net
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Frequently asked questions
- What technology does exrx.net use?
- exrx.net is built with jQuery, Google Analytics, Cloudflare Analytics, Google Ads.
- Is exrx.net secure (HTTPS)?
- Yes. exrx.net uses TLS 1.3 with a certificate issued by Google Trust Services, valid until Sep 21, 2026.
- Who hosts exrx.net?
- Hosting provider information for exrx.net is not available yet.
- What is exrx.net's SEO score?
- exrx.net scored 65/100 for SEO in the latest analysis (fair).
- What is exrx.net's overall website score?
- exrx.net has an overall SiteGraph score of 81/100, combining SEO, performance, security, and accessibility.
OpenGraph & Twitter Card
OpenGraph
Twitter Card