seasonic.com
Seasonic Power Supplies | Modular, Silent, ATX 3.1 PSUs
Last scanned Jul 22, 2026, 8:14 PM · 1 view
Overall score
Great
Summary
Welcome to Seasonic, your source for premium Power Supplies and PC components. This website uses WordPress hosted on Cloudflare behind Cloudflare CDN. SEO is excellent (95/100) and accessibility is excellent (100/100). Security scores fair (65/100) and performance excellent (90/100). Top issue: sitemap.xml not found.
Welcome to Seasonic, your source for premium Power Supplies and PC components. Explore high-performance products and innovative solutions.
- United States
- Hosted on Cloudflare
Top issues to fix
5 issues found · 2 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.
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.
sitemap.xml not found
SEOPublish an XML sitemap and reference it from robots.txt to speed up page discovery.
SEO
1 issue(s) found
Performance
29 ms
Security
HTTPS & header checks
Accessibility
0 issue(s) found
Organization
Company details published in this site's own structured data.
Welcome to Seasonic, your source for premium Power Supplies and PC components. Explore high-performance products and innovative solutions.
Contact
Email, phone, and address published on this site's own pages.
Source: https://seasonic.com/support/
Meta tags
- Title
- Seasonic Power Supplies | Modular, Silent, ATX 3.1 PSUs
- Description
- Welcome to Seasonic, your source for premium Power Supplies and PC components. Explore high-performance products and innovative solutions.
- Canonical
- https://seasonic.com/
- Language
- en-US
- Charset
- UTF-8
- Viewport
- width=device-width, initial-scale=1, viewport-fit=cover
- Robots meta
- index, follow, max-image-preview:large, max-snippet:-1, max-video-preview:-1
- Manifest
Technologies
Detected frameworks, languages, and tools.
Hosting & CDN
- Hosting provider
- Cloudflare
- CDN provider
- Cloudflare
- IP address
- 104.26.2.185
- 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
- seasonic.com
- Valid from
- Jul 5, 2026
- Valid to
- Oct 3, 2026
- Days until expiry
- 72
- SAN domains
- seasonic.com, *.seasonic.com
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 3 · H3 3
Links
78 internal · 26 external · 0 broken
Images
102 total · 0 missing alt
Scripts / Styles
106 scripts · 43 stylesheets
JS / CSS size
65.8 KB · 18.7 KB
Page size
378 KB
Robots.txt & Sitemap
- robots.txt
- Found
- Disallow rules
- 13
- sitemap.xml
- Not found
- URLs in sitemap
- 0
SEO issues
- sitemap.xml not found
Accessibility issues
No accessibility issues detected.
Scan details
- Requested URL
- https://seasonic.com
- Final URL
- https://seasonic.com
- HTTP status
- 200
- HTTP version
- HTTP/2
- Response time
- 22 ms
- HTML size
- 378 KB
- Redirect chain
- https://seasonic.com
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Frequently asked questions
- What technology does seasonic.com use?
- seasonic.com is built with PHP, WordPress, WooCommerce, jQuery, Cloudflare Analytics.
- Is seasonic.com secure (HTTPS)?
- Yes. seasonic.com uses TLS 1.3 with a certificate issued by Google Trust Services, valid until Oct 3, 2026.
- Who hosts seasonic.com?
- seasonic.com is hosted on Cloudflare, behind Cloudflare CDN.
- What is seasonic.com's SEO score?
- seasonic.com scored 95/100 for SEO in the latest analysis (excellent).
- What is seasonic.com's overall website score?
- seasonic.com has an overall SiteGraph score of 87/100, combining SEO, performance, security, and accessibility.
OpenGraph & Twitter Card
OpenGraph
Twitter Card