datasheet4u.com
Datasheet4U - Datasheet Search for 900,000+ Electronic Components
Last scanned Aug 6, 2026, 3:00 AM · 9 views
Overall score
Great
Summary
Search over 900,000 electronic component datasheets from leading manufacturers. This website uses Google Analytics hosted on Cloudflare behind Cloudflare CDN. SEO is good (75/100) and accessibility is excellent (100/100). Security scores good (75/100) and performance excellent (100/100). Top issue: Title longer than 60 characters.
Search over 900,000 electronic component datasheets from leading manufacturers. Find technical specifications, electrical characteristics, package details, and PDF datasheet documents for semiconductors, ICs, MOSFETs, and more.
- United States
- Hosted on Cloudflare
Top issues to fix
7 issues found · 1 high priority
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.
Title longer than 60 characters
SEOShorten the title to under 60 characters so search results don't truncate it.
Meta description longer than 160 characters
SEOTrim the meta description to under 160 characters to avoid truncation in search results.
Missing canonical link
SEOAdd <link rel="canonical"> so search engines know which URL variant to index.
+1 more issue — details in the sections below.
SEO
4 issue(s) found
Performance
149 ms
Security
HTTPS & header checks
Accessibility
0 issue(s) found
Score history
+3 overall since Jul 26, 2026
- Overall
- 86
- SEO
- 75
- Security
- 75
- Performance
- 100
- Accessibility
- 100
Organization
Company details published in this site's own structured data.
Search over 900,000 electronic component datasheets from leading manufacturers. Find technical specifications, electrical characteristics, package details, and PDF datasheet documents for semiconductors, ICs, MOSFETs, and more.
Contact
Email, phone, and address published on this site's own pages.
- you@example.com
Meta tags
- Title
- Datasheet4U - Datasheet Search for 900,000+ Electronic Components
- Description
- Search over 900,000 electronic component datasheets from leading manufacturers. Find technical specifications, electrical characteristics, package details, and PDF datasheet documents for semiconductors, ICs, MOSFETs, and more.
- Canonical
- Language
- en
- Charset
- UTF-8
- Viewport
- width=device-width, initial-scale=1
- Robots meta
- Manifest
Technologies
Detected frameworks, languages, and tools.
Hosting & CDN
- Hosting provider
- Cloudflare
- CDN provider
- Cloudflare
- IP address
- 172.66.43.15
- 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
- datasheet4u.com
- Valid from
- Jul 28, 2026
- Valid to
- Oct 26, 2026
- Days until expiry
- 81
- SAN domains
- datasheet4u.com, *.datasheet4u.com
Security headers
- Strict-Transport-SecurityEnabled
- 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 1 · H3 0
Links
68 internal · 1 external · 0 broken
Images
15 total · 0 missing alt
Scripts / Styles
9 scripts · 1 stylesheets
JS / CSS size
41.6 KB · 13.1 KB
Page size
16.4 KB
Robots.txt & Sitemap
- robots.txt
- Found
- Disallow rules
- 0
- sitemap.xml
- Found
- URLs in sitemap
- -1
SEO issues
- Title longer than 60 characters
- Meta description longer than 160 characters
- Missing canonical link
- No structured data (JSON-LD) found
Accessibility issues
No accessibility issues detected.
Scan details
- Requested URL
- https://datasheet4u.com
- Final URL
- https://datasheet4u.com
- HTTP status
- 200
- HTTP version
- HTTP/2
- Response time
- 149 ms
- HTML size
- 16.4 KB
- Redirect chain
- https://datasheet4u.com
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Frequently asked questions
- What technology does datasheet4u.com use?
- datasheet4u.com is built with Google Analytics.
- Is datasheet4u.com secure (HTTPS)?
- Yes. datasheet4u.com uses TLS 1.3 with a certificate issued by Google Trust Services, valid until Oct 26, 2026.
- Who hosts datasheet4u.com?
- datasheet4u.com is hosted on Cloudflare, behind Cloudflare CDN.
- What is datasheet4u.com's SEO score?
- datasheet4u.com scored 75/100 for SEO in the latest analysis (fair).
- What is datasheet4u.com's overall website score?
- datasheet4u.com has an overall SiteGraph score of 86/100, combining SEO, performance, security, and accessibility.
- Has datasheet4u.com's score changed over time?
- datasheet4u.com's overall score has improved by 3 points (from 83 to 86) since Jul 26, 2026.
OpenGraph & Twitter Card
OpenGraph
Twitter Card