boot.dev
Learn to Code | Boot.dev
Last scanned Aug 4, 2026, 2:00 PM · 10 views
Overall score
Great
Summary
Learn to code from scratch with hands-on lessons, a structured curriculum, and real projects. This website uses Nuxt behind Cloudflare CDN. SEO is excellent (90/100) and accessibility is excellent (100/100). Security scores fair (65/100) and performance excellent (90/100). Top issue: robots.txt not found.
Boot.dev
Learn to code from scratch with hands-on lessons, a structured curriculum, and real projects. Stop watching tutorials, start writing code for free now.
Top issues to fix
8 issues found · 2 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.
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.
2 cookies without Secure/HttpOnly flags
SecuritySet Secure and HttpOnly on session cookies so they can't leak over HTTP or be read by injected scripts.
robots.txt not found
SEOPublish /robots.txt with a Sitemap: directive to guide crawlers.
+2 more issues — details in the sections below.
SEO
2 issue(s) found
Performance
1.45 s
Security
HTTPS & header checks
Accessibility
0 issue(s) found
Score history
-3 overall since Jul 27, 2026
- Overall
- 86
- SEO
- 90
- Security
- 65
- Performance
- 90
- Accessibility
- 100
Organization
Company details published in this site's own structured data.
Boot.dev
Learn to code from scratch with hands-on lessons, a structured curriculum, and real projects. Stop watching tutorials, start writing code for free now.
- Founded
- Jan 1, 2022
Meta tags
- Title
- Learn to Code | Boot.dev
- Description
- Learn to code from scratch with hands-on lessons, a structured curriculum, and real projects. Stop watching tutorials, start writing code for free now.
- Canonical
- https://www.boot.dev/
- Language
- en
- Charset
- utf-8
- Viewport
- width=device-width,initial-scale=1.0
- Robots meta
- Manifest
- https://www.boot.dev/site.webmanifest
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
- www.boot.dev
- Valid from
- Jul 2, 2026
- Valid to
- Sep 30, 2026
- Days until expiry
- 57
- SAN domains
- www.boot.dev
Security headers
- Strict-Transport-SecurityMissing
- Content-Security-PolicyMissing
- X-Frame-OptionsMissing
- X-Content-Type-OptionsMissing
- Referrer-PolicyMissing
- Permissions-PolicyMissing
Compression: gzip · 2 cookie(s) observed
Content & assets
Headings
H1 1 · H2 11 · H3 18
Links
59 internal · 8 external · 8 broken
Images
41 total · 0 missing alt
Scripts / Styles
12 scripts · 23 stylesheets
JS / CSS size
15.0 KB · 8.4 KB
Page size
235 KB
Robots.txt & Sitemap
- robots.txt
- Not found
- Disallow rules
- 0
- sitemap.xml
- Not found
- URLs in sitemap
- 0
SEO issues
- robots.txt not found
- sitemap.xml not found
Accessibility issues
No accessibility issues detected.
Scan details
- Requested URL
- https://boot.dev
- Final URL
- https://www.boot.dev/
- HTTP status
- 200
- HTTP version
- HTTP/2
- Response time
- 1.45 s
- HTML size
- 235 KB
- Redirect chain
- https://boot.dev → https://www.boot.dev/
See something wrong on this report? Request a correction
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Frequently asked questions
- What technology does boot.dev use?
- boot.dev is built with Vue.js, Nuxt, Google Analytics, Google Ads.
- Is boot.dev secure (HTTPS)?
- Yes. boot.dev uses TLS 1.3 with a certificate issued by Google Trust Services, valid until Sep 30, 2026.
- Who hosts boot.dev?
- Hosting provider information for boot.dev is not available yet.
- What is boot.dev's SEO score?
- boot.dev scored 90/100 for SEO in the latest analysis (excellent).
- What is boot.dev's overall website score?
- boot.dev has an overall SiteGraph score of 86/100, combining SEO, performance, security, and accessibility.
- What company operates boot.dev?
- boot.dev is operated by Boot.dev. Learn to code from scratch with hands-on lessons, a structured curriculum, and real projects. Stop watching tutorials, start writing code for free now.
- Has boot.dev's score changed over time?
- boot.dev's overall score has declined by 3 points (from 89 to 86) since Jul 27, 2026.
OpenGraph & Twitter Card
OpenGraph
Twitter Card