kupdf.net
KUPDF - Free document sharing platform - Upload and share
Last scanned Jul 26, 2026, 3:19 PM
Overall score
Fair
Summary
Open document sharing platform, share your knowledge and live with others. This website uses Google Analytics hosted on Cloudflare behind Cloudflare CDN. SEO is fair (70/100) and accessibility is fair (60/100). Security scores fair (65/100) and performance excellent (90/100). Top issue: Missing canonical link.
Open document sharing platform, share your knowledge and live with others
- United States
- Hosted on Cloudflare
Top issues to fix
10 issues found · 4 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.
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.
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.
+4 more issues — details in the sections below.
SEO
4 issue(s) found
Performance
1.27 s
Security
HTTPS & header checks
Accessibility
2 issue(s) found
Organization
Company details published in this site's own structured data.
Open document sharing platform, share your knowledge and live with others
Contact
Email, phone, and address published on this site's own pages.
Source: https://kupdf.net/contact
Meta tags
- Title
- KUPDF - Free document sharing platform - Upload and share
- Description
- Open document sharing platform, share your knowledge and live with others
- Canonical
- Language
- en
- Charset
- UTF-8
- Viewport
- width=device-width, initial-scale=1.0, shrink-to-fit=no
- Robots meta
- index, follow
- Manifest
- https://kupdf.net/theme/img/manifest.json
Technologies
Detected frameworks, languages, and tools.
Hosting & CDN
- Hosting provider
- Cloudflare
- CDN provider
- Cloudflare
- IP address
- 104.21.3.25
- 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
- kupdf.net
- Valid from
- Jun 12, 2026
- Valid to
- Sep 10, 2026
- Days until expiry
- 45
- SAN domains
- kupdf.net, *.kupdf.net
Security headers
- Strict-Transport-SecurityMissing
- Content-Security-PolicyMissing
- X-Frame-OptionsMissing
- X-Content-Type-OptionsMissing
- Referrer-PolicyMissing
- Permissions-PolicyMissing
Compression: gzip · 1 cookie(s) observed
Content & assets
Headings
H1 0 · H2 1 · H3 48
Links
59 internal · 0 external · 0 broken
Images
49 total · 49 missing alt
Scripts / Styles
8 scripts · 5 stylesheets
JS / CSS size
32.4 KB · 0 B
Page size
56.4 KB
Robots.txt & Sitemap
- robots.txt
- Found
- Disallow rules
- 18
- 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
- Over half of images are missing alt text
- No H1 heading found
Scan details
- Requested URL
- https://kupdf.net
- Final URL
- https://kupdf.net
- HTTP status
- 200
- HTTP version
- HTTP/2
- Response time
- 1.26 s
- HTML size
- 56.4 KB
- Redirect chain
- https://kupdf.net
See something wrong on this report? Request a correction
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Frequently asked questions
- What technology does kupdf.net use?
- kupdf.net is built with jQuery, Google Analytics, Cloudflare Analytics, Meta Pixel.
- Is kupdf.net secure (HTTPS)?
- Yes. kupdf.net uses TLS 1.3 with a certificate issued by Google Trust Services, valid until Sep 10, 2026.
- Who hosts kupdf.net?
- kupdf.net is hosted on Cloudflare, behind Cloudflare CDN.
- What is kupdf.net's SEO score?
- kupdf.net scored 70/100 for SEO in the latest analysis (fair).
- What is kupdf.net's overall website score?
- kupdf.net has an overall SiteGraph score of 72/100, combining SEO, performance, security, and accessibility.
OpenGraph & Twitter Card
OpenGraph
Twitter Card