vlab.co.in
Virtual Labs
Last scanned Aug 7, 2026, 2:00 AM · 5 views
Overall score
Fair
Summary
Virtual Labs by IIT Delhi. This website uses Google Analytics hosted on Cloudflare behind Cloudflare CDN. SEO is good (75/100) and accessibility is fair (70/100). Security scores fair (65/100) and performance excellent (100/100). Top issue: Missing canonical link.
Virtual Labs by IIT Delhi. Remote access to simulation based Labs in various disciplines of Science and Engineering.
- United States
- Hosted on Cloudflare
Top issues to fix
10 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.
Over half of images are missing alt text
AccessibilityAdd alt attributes to images — screen readers depend on them, and they help image SEO.
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.
Missing canonical link
SEOAdd <link rel="canonical"> so search engines know which URL variant to index.
+4 more issues — details in the sections below.
SEO
4 issue(s) found
Performance
640 ms
Security
HTTPS & header checks
Accessibility
1 issue(s) found
Score history
+2 overall since Jul 26, 2026
- Overall
- 78
- SEO
- 75
- Security
- 65
- Performance
- 100
- Accessibility
- 70
Organization
Company details published in this site's own structured data.
Virtual Labs by IIT Delhi. Remote access to simulation based Labs in various disciplines of Science and Engineering.
Contact
Email, phone, and address published on this site's own pages.
- support@vlab.co.in
Meta tags
- Title
- Virtual Labs
- Description
- Virtual Labs by IIT Delhi. Remote access to simulation based Labs in various disciplines of Science and Engineering.
- Canonical
- 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
- 104.21.69.2
- 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
- Google Trust Services
- Subject
- vlab.co.in
- Valid from
- Jun 9, 2026
- Valid to
- Sep 7, 2026
- Days until expiry
- 31
- SAN domains
- vlab.co.in, *.vlab.co.in
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 0 · H3 0
Links
26 internal · 9 external · 1 broken
Images
50 total · 49 missing alt
Scripts / Styles
14 scripts · 9 stylesheets
JS / CSS size
34.1 KB · 0 B
Page size
29.1 KB
Robots.txt & Sitemap
- robots.txt
- 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
- sitemap.xml not found
Accessibility issues
- Over half of images are missing alt text
Scan details
- Requested URL
- https://vlab.co.in
- Final URL
- https://www.vlab.co.in/
- HTTP status
- 200
- HTTP version
- HTTP/2
- Response time
- 640 ms
- HTML size
- 29.1 KB
- Redirect chain
- https://vlab.co.in → https://www.vlab.co.in/
See something wrong on this report? Request a correction
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Frequently asked questions
- What technology does vlab.co.in use?
- vlab.co.in is built with jQuery, Google Analytics, Cloudflare Analytics.
- Is vlab.co.in secure (HTTPS)?
- Yes. vlab.co.in uses TLS 1.3 with a certificate issued by Google Trust Services, valid until Sep 7, 2026.
- Who hosts vlab.co.in?
- vlab.co.in is hosted on Cloudflare, behind Cloudflare CDN.
- What is vlab.co.in's SEO score?
- vlab.co.in scored 75/100 for SEO in the latest analysis (fair).
- What is vlab.co.in's overall website score?
- vlab.co.in has an overall SiteGraph score of 78/100, combining SEO, performance, security, and accessibility.
- Has vlab.co.in's score changed over time?
- vlab.co.in's overall score has improved by 2 points (from 76 to 78) since Jul 26, 2026.
OpenGraph & Twitter Card
OpenGraph
Twitter Card