astra-ai.co
Astra AI – Study & Exam Prep | AI Tutor for All Subjects
Last scanned Aug 2, 2026, 12:00 PM · 14 views
Overall score
Excellent
Summary
The most advanced AI tutor. This website uses Next.js behind Vercel CDN. SEO is excellent (90/100) and accessibility is excellent (100/100). Security scores good (85/100) and performance excellent (100/100). Top issue: robots.txt not found.
Astra AI
The most advanced AI tutor. More than 10 million satisfied students. Astra AI is your personal AI tutor for all subjects, guiding you step by step.
- SI
Top issues to fix
6 issues found
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.
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.
robots.txt not found
SEOPublish /robots.txt with a Sitemap: directive to guide crawlers.
sitemap.xml not found
SEOPublish an XML sitemap and reference it from robots.txt to speed up page discovery.
20 broken links on the page
SEOFix or remove broken links — they waste crawl budget and erode user trust.
SEO
2 issue(s) found
Performance
205 ms
Security
HTTPS & header checks
Accessibility
0 issue(s) found
Score history
0 overall since Jul 26, 2026
- Overall
- 93
- SEO
- 90
- Security
- 85
- Performance
- 100
- Accessibility
- 100
Organization
Company details published in this site's own structured data.
Astra AI
The most advanced AI tutor. More than 10 million satisfied students. Astra AI is your personal AI tutor for all subjects, guiding you step by step.
Contact
Email, phone, and address published on this site's own pages.
- Address
- SI
Meta tags
- Title
- Astra AI – Study & Exam Prep | AI Tutor for All Subjects
- Description
- The most advanced AI tutor. More than 10 million satisfied students. Astra AI is your personal AI tutor for all subjects, guiding you step by step.
- Canonical
- https://astra-ai.co/
- Language
- en
- Charset
- utf-8
- Viewport
- width=device-width, initial-scale=1
- Robots meta
- index, follow
- Manifest
Technologies
Detected frameworks, languages, and tools.
Hosting & CDN
- Hosting provider
- —
- CDN provider
- Vercel
- 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
- Let's Encrypt
- Subject
- astra-ai.co
- Valid from
- Jun 28, 2026
- Valid to
- Sep 26, 2026
- Days until expiry
- 54
- SAN domains
- astra-ai.co
Security headers
- Strict-Transport-SecurityEnabled
- Content-Security-PolicyEnabled
- X-Frame-OptionsMissing
- X-Content-Type-OptionsMissing
- Referrer-PolicyMissing
- Permissions-PolicyMissing
Compression: gzip · 1 cookie(s) observed
Content & assets
Headings
H1 1 · H2 15 · H3 26
Links
24 internal · 14 external · 20 broken
Images
82 total · 2 missing alt
Scripts / Styles
92 scripts · 2 stylesheets
JS / CSS size
161 KB · 1.2 KB
Page size
283 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://astra-ai.co
- Final URL
- https://astra-ai.co
- HTTP status
- 200
- HTTP version
- HTTP/2
- Response time
- 200 ms
- HTML size
- 283 KB
- Redirect chain
- https://astra-ai.co
See something wrong on this report? Request a correction
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Frequently asked questions
- What technology does astra-ai.co use?
- astra-ai.co is built with Next.js, Google Analytics.
- Is astra-ai.co secure (HTTPS)?
- Yes. astra-ai.co uses TLS 1.3 with a certificate issued by Let's Encrypt, valid until Sep 26, 2026.
- Who hosts astra-ai.co?
- Hosting provider information for astra-ai.co is not available yet.
- What is astra-ai.co's SEO score?
- astra-ai.co scored 90/100 for SEO in the latest analysis (excellent).
- What is astra-ai.co's overall website score?
- astra-ai.co has an overall SiteGraph score of 93/100, combining SEO, performance, security, and accessibility.
- What company operates astra-ai.co?
- astra-ai.co is operated by Astra AI. The most advanced AI tutor. More than 10 million satisfied students. Astra AI is your personal AI tutor for all subjects, guiding you step by step.
- Has astra-ai.co's score changed over time?
- astra-ai.co's overall score has stayed steady at 93/100 since Jul 26, 2026.
OpenGraph & Twitter Card
OpenGraph
Twitter Card