videolectures.net
Videolectures - Online Learning Platform
Last scanned Jul 27, 2026, 10:43 AM · 1 view
Overall score
Great
Summary
Videolectures is an online learning platform with thousands of free video lectures from the world's top lecturers. This website uses Angular hosted on Cloudflare behind Cloudflare CDN. SEO is fair (70/100) and accessibility is excellent (90/100). Security scores good (80/100) and performance excellent (100/100). Top issue: Missing canonical link.
Videolectures is an online learning platform with thousands of free video lectures from the world's top lecturers. Join us and start learning today!
- United States
- Hosted on Cloudflare
Top issues to fix
7 issues found · 2 high priority
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-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.
Missing canonical link
SEOAdd <link rel="canonical"> so search engines know which URL variant to index.
No structured data (JSON-LD) found
SEOAdd JSON-LD (Organization, Article, Product…) to become eligible for rich results.
+1 more issue — details in the sections below.
SEO
4 issue(s) found
Performance
123 ms
Security
HTTPS & header checks
Accessibility
1 issue(s) found
Organization
Company details published in this site's own structured data.
Videolectures is an online learning platform with thousands of free video lectures from the world's top lecturers. Join us and start learning today!
Contact
Email, phone, and address published on this site's own pages.
Meta tags
- Title
- Videolectures - Online Learning Platform
- Description
- Videolectures is an online learning platform with thousands of free video lectures from the world's top lecturers. Join us and start learning today!
- Canonical
- 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
- Cloudflare
- CDN provider
- Cloudflare
- IP address
- 172.67.223.196
- 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
- videolectures.net
- Valid from
- Jun 24, 2026
- Valid to
- Sep 22, 2026
- Days until expiry
- 57
- SAN domains
- videolectures.net, *.videolectures.net
Security headers
- Strict-Transport-SecurityEnabled
- Content-Security-PolicyMissing
- X-Frame-OptionsMissing
- X-Content-Type-OptionsEnabled
- Referrer-PolicyEnabled
- Permissions-PolicyMissing
Compression: gzip · 2 cookie(s) observed
Content & assets
Headings
H1 0 · H2 6 · H3 11
Links
48 internal · 6 external · 0 broken
Images
35 total · 0 missing alt
Scripts / Styles
5 scripts · 1 stylesheets
JS / CSS size
135 KB · 103 KB
Page size
5.6 KB
Robots.txt & Sitemap
- robots.txt
- Found
- Disallow rules
- 9
- sitemap.xml
- Not found
- URLs in sitemap
- 0
SEO issues
- Missing canonical link
- No H1 heading found
- No structured data (JSON-LD) found
- sitemap.xml not found
Accessibility issues
- No H1 heading found
Careers
This company has an active careers page, but individual openings weren't reliably parsed from it — visit the page above for current listings.
Scan details
- Requested URL
- https://videolectures.net
- Final URL
- https://videolectures.net
- HTTP status
- 200
- HTTP version
- HTTP/2
- Response time
- 123 ms
- HTML size
- 5.6 KB
- Redirect chain
- https://videolectures.net
See something wrong on this report? Request a correction
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Frequently asked questions
- What technology does videolectures.net use?
- videolectures.net is built with Angular, Cloudflare Analytics.
- Is videolectures.net secure (HTTPS)?
- Yes. videolectures.net uses TLS 1.3 with a certificate issued by Google Trust Services, valid until Sep 22, 2026.
- Who hosts videolectures.net?
- videolectures.net is hosted on Cloudflare, behind Cloudflare CDN.
- What is videolectures.net's SEO score?
- videolectures.net scored 70/100 for SEO in the latest analysis (fair).
- What is videolectures.net's overall website score?
- videolectures.net has an overall SiteGraph score of 84/100, combining SEO, performance, security, and accessibility.
- Is videolectures.net hiring?
- videolectures.net has a careers page; check it directly for current openings.
OpenGraph & Twitter Card
OpenGraph
Twitter Card