intervals.icu
Free Cycling, Running, Triathlon Training Platform
Last scanned Jul 26, 2026, 5:47 AM
Overall score
Great
Summary
Free online training platform for cyclists, runners, triathletes and other athletes. This website uses Astro hosted on Cloudflare behind Cloudflare CDN. SEO is excellent (95/100) and accessibility is excellent (100/100). Security scores fair (65/100) and performance fair (70/100). Top issue: Meta description longer than 160 characters.
Free online training platform for cyclists, runners, triathletes and other athletes. Track fitness, analyze activities and wellness data, plan workouts. Coach other athletes. Integrated with Garmin, Polar, Suunto, Coros, Wahoo, Strava, Zwift, MyWhoosh, Rouvy, Amazfit, HUAWEI Health, Oura, WHOOP and others.
- United States
- Hosted on Cloudflare
Top issues to fix
6 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.
Slow estimated load (6.8s)
PerformanceUse a CDN, enable caching/compression, and cut render-blocking assets — every extra second costs conversions.
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.
SEO
1 issue(s) found
Performance
6.78 s
Security
HTTPS & header checks
Accessibility
0 issue(s) found
Organization
Company details published in this site's own structured data.
Free online training platform for cyclists, runners, triathletes and other athletes. Track fitness, analyze activities and wellness data, plan workouts. Coach other athletes. Integrated with Garmin, Polar, Suunto, Coros, Wahoo, Strava, Zwift, MyWhoosh, Rouvy, Amazfit, HUAWEI Health, Oura, WHOOP and others.
Meta tags
- Title
- Free Cycling, Running, Triathlon Training Platform
- Description
- Free online training platform for cyclists, runners, triathletes and other athletes. Track fitness, analyze activities and wellness data, plan workouts. Coach other athletes. Integrated with Garmin, Polar, Suunto, Coros, Wahoo, Strava, Zwift, MyWhoosh, Rouvy, Amazfit, HUAWEI Health, Oura, WHOOP and others.
- Canonical
- https://www.intervals.icu/
- Language
- en
- Charset
- UTF-8
- Viewport
- width=device-width, initial-scale=1.0
- Robots meta
- Manifest
Technologies
Detected frameworks, languages, and tools.
Hosting & CDN
- Hosting provider
- Cloudflare
- CDN provider
- Cloudflare
- IP address
- 172.67.73.247
- ASN
- AS13335 (CLOUDFLARENET - Cloudflare, Inc., US)
DNS records
| Type | Value |
|---|---|
| A |
|
| AAAA |
|
| MX | — |
| TXT | — |
| NS | — |
| CAA | — |
| CNAME | — |
| IPv6 support | Yes |
TLS / SSL certificate
- Version
- TLS 1.3
- Issuer
- Let's Encrypt
- Subject
- intervals.icu
- Valid from
- Jun 22, 2026
- Valid to
- Sep 20, 2026
- Days until expiry
- 56
- SAN domains
- *.intervals.icu, intervals.icu
Security headers
- Strict-Transport-SecurityMissing
- 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 10 · H3 17
Links
31 internal · 6 external · 0 broken
Images
39 total · 0 missing alt
Scripts / Styles
6 scripts · 2 stylesheets
JS / CSS size
2.3 KB · 570 KB
Page size
60.8 KB
Robots.txt & Sitemap
- robots.txt
- Found
- Disallow rules
- 0
- sitemap.xml
- Found
- URLs in sitemap
- -1
SEO issues
- Meta description longer than 160 characters
Accessibility issues
No accessibility issues detected.
Scan details
- Requested URL
- https://intervals.icu
- Final URL
- https://www.intervals.icu/
- HTTP status
- 200
- HTTP version
- HTTP/2
- Response time
- 6.78 s
- HTML size
- 60.8 KB
- Redirect chain
- https://intervals.icu → https://www.intervals.icu/
See something wrong on this report? Request a correction
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Frequently asked questions
- What technology does intervals.icu use?
- intervals.icu is built with Astro, Umami.
- Is intervals.icu secure (HTTPS)?
- Yes. intervals.icu uses TLS 1.3 with a certificate issued by Let's Encrypt, valid until Sep 20, 2026.
- Who hosts intervals.icu?
- intervals.icu is hosted on Cloudflare, behind Cloudflare CDN.
- What is intervals.icu's SEO score?
- intervals.icu scored 95/100 for SEO in the latest analysis (excellent).
- What is intervals.icu's overall website score?
- intervals.icu has an overall SiteGraph score of 82/100, combining SEO, performance, security, and accessibility.
OpenGraph & Twitter Card
OpenGraph
Twitter Card