onsemi.com
Intelligent Power and Sensing Technologies | onsemi
Last scanned Aug 1, 2026, 10:00 PM · 6 views
Overall score
Excellent
Summary
The leader in intelligent power and image sensing technologies that build a better future for the automotive, industrial, cloud, medical, and IoT markets. This website uses Apache. 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.
The leader in intelligent power and image sensing technologies that build a better future for the automotive, industrial, cloud, medical, and IoT markets
Top issues to fix
5 issues found · 1 high priority
TLS certificate expires in 7 days
SecurityRenew now (or enable auto-renewal) — an expired certificate blocks visitors with a full-page browser warning.
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.
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
576 ms
Security
HTTPS & header checks
Accessibility
0 issue(s) found
Score history
-3 overall since Jul 25, 2026
- Overall
- 93
- SEO
- 90
- Security
- 85
- Performance
- 100
- Accessibility
- 100
Organization
Company details published in this site's own structured data.
The leader in intelligent power and image sensing technologies that build a better future for the automotive, industrial, cloud, medical, and IoT markets
Meta tags
- Title
- Intelligent Power and Sensing Technologies | onsemi
- Description
- The leader in intelligent power and image sensing technologies that build a better future for the automotive, industrial, cloud, medical, and IoT markets
- Canonical
- https://www.onsemi.com/
- 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
- —
- CDN provider
- —
- 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
- www.onsemi.com
- Valid from
- May 11, 2026
- Valid to
- Aug 9, 2026
- Days until expiry
- 7
- SAN domains
- contact.onsemi.com, goldmine.onsemi.com, learn.onsemi.com, learningplus.onsemi.com, m.onsemi.cn, m.onsemi.com, m.onsemi.jp, maps.onsemi.com, my.onsemi.com, think.onsemi.cn, think.onsemi.com, think.onsemi.jp, www.onsemi.cn, www.onsemi.com, www.onsemi.jp
Security headers
- Strict-Transport-SecurityEnabled
- Content-Security-PolicyEnabled
- X-Frame-OptionsEnabled
- X-Content-Type-OptionsEnabled
- Referrer-PolicyMissing
- Permissions-PolicyMissing
Compression: gzip · 2 cookie(s) observed
Content & assets
Headings
H1 1 · H2 24 · H3 13
Links
171 internal · 20 external · 20 broken
Images
17 total · 1 missing alt
Scripts / Styles
11 scripts · 3 stylesheets
JS / CSS size
795 B · 14.5 KB
Page size
183 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://onsemi.com
- Final URL
- https://www.onsemi.com/
- HTTP status
- 200
- HTTP version
- HTTP/1.1
- Response time
- 573 ms
- HTML size
- 183 KB
- Redirect chain
- https://onsemi.com → https://www.onsemi.com/
See something wrong on this report? Request a correction
Related websites
Same technology stack
lucerna-chem.ch
Lucerna-Chem AG
safaribooksonline.com
O'Reilly Media - Technology and Business Training
buderus.com
Buderus - the system expert for HVAC
boschtt.net
Home | Bosch Home Comfort Group
repsol.es
Repsol: soluciones de energía, luz, gas, movilidad y solar
steep.de
STEEP - THIS WAY UP
Frequently asked questions
- What technology does onsemi.com use?
- onsemi.com is built with jQuery, Apache.
- Is onsemi.com secure (HTTPS)?
- Yes. onsemi.com uses TLS 1.3 with a certificate issued by Let's Encrypt, valid until Aug 9, 2026.
- Who hosts onsemi.com?
- Hosting provider information for onsemi.com is not available yet.
- What is onsemi.com's SEO score?
- onsemi.com scored 90/100 for SEO in the latest analysis (excellent).
- What is onsemi.com's overall website score?
- onsemi.com has an overall SiteGraph score of 93/100, combining SEO, performance, security, and accessibility.
- Has onsemi.com's score changed over time?
- onsemi.com's overall score has declined by 3 points (from 96 to 93) since Jul 25, 2026.
OpenGraph & Twitter Card
OpenGraph
Twitter Card