viewsonic.com
ViewSonic – Monitors, Projectors & Displays
Last scanned Jul 29, 2026, 10:00 PM · 15 views
Overall score
Great
Summary
Shop ViewSonic monitors, projectors, and displays for home, office, gaming, and creative work. This website uses PHP behind CloudFront CDN. SEO is good (75/100) and accessibility is excellent (90/100). Security scores good (80/100) and performance excellent (90/100). Top issue: No H1 heading found.
Shop ViewSonic monitors, projectors, and displays for home, office, gaming, and creative work. Trusted by millions worldwide. Find your perfect screen and shop
Top issues to fix
8 issues found · 3 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.
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 OpenGraph tags
SEOAdd og:title/og:description/og:image so shared links render a proper preview card.
robots.txt not found
SEOPublish /robots.txt with a Sitemap: directive to guide crawlers.
+2 more issues — details in the sections below.
SEO
4 issue(s) found
Performance
16 ms
Security
HTTPS & header checks
Accessibility
1 issue(s) found
Score history
-6 overall since Jul 22, 2026
- Overall
- 83
- SEO
- 75
- Security
- 80
- Performance
- 90
- Accessibility
- 90
Organization
Company details published in this site's own structured data.
Shop ViewSonic monitors, projectors, and displays for home, office, gaming, and creative work. Trusted by millions worldwide. Find your perfect screen and shop
Contact
Email, phone, and address published on this site's own pages.
Meta tags
- Title
- ViewSonic – Monitors, Projectors & Displays
- Description
- Shop ViewSonic monitors, projectors, and displays for home, office, gaming, and creative work. Trusted by millions worldwide. Find your perfect screen and shop
- Canonical
- https://www.viewsonic.com/us/
- 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
- —
- CDN provider
- CloudFront
- 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
- Amazon
- Subject
- viewsonic.com
- Valid from
- Apr 3, 2026
- Valid to
- Oct 17, 2026
- Days until expiry
- 80
- SAN domains
- viewsonic.com, *.viewsonic.com
Security headers
- Strict-Transport-SecurityMissing
- Content-Security-PolicyMissing
- X-Frame-OptionsEnabled
- X-Content-Type-OptionsEnabled
- Referrer-PolicyMissing
- Permissions-PolicyMissing
Compression: gzip · 2 cookie(s) observed
Content & assets
Headings
H1 0 · H2 17 · H3 7
Links
238 internal · 10 external · 20 broken
Images
70 total · 0 missing alt
Scripts / Styles
78 scripts · 12 stylesheets
JS / CSS size
111 KB · 41.5 KB
Page size
327 KB
Robots.txt & Sitemap
- robots.txt
- Not found
- Disallow rules
- 0
- sitemap.xml
- Not found
- URLs in sitemap
- 0
SEO issues
- No H1 heading found
- Missing OpenGraph tags
- robots.txt not found
- sitemap.xml not found
Accessibility issues
- No H1 heading found
Scan details
- Requested URL
- https://viewsonic.com
- Final URL
- https://www.viewsonic.com/
- HTTP status
- 200
- HTTP version
- HTTP/2
- Response time
- 10 ms
- HTML size
- 327 KB
- Redirect chain
- https://viewsonic.com → https://www.viewsonic.com/
See something wrong on this report? Request a correction
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Frequently asked questions
- What technology does viewsonic.com use?
- viewsonic.com is built with PHP, Magento, Google Analytics, Nginx.
- Is viewsonic.com secure (HTTPS)?
- Yes. viewsonic.com uses TLS 1.3 with a certificate issued by Amazon, valid until Oct 17, 2026.
- Who hosts viewsonic.com?
- Hosting provider information for viewsonic.com is not available yet.
- What is viewsonic.com's SEO score?
- viewsonic.com scored 75/100 for SEO in the latest analysis (fair).
- What is viewsonic.com's overall website score?
- viewsonic.com has an overall SiteGraph score of 83/100, combining SEO, performance, security, and accessibility.
- Has viewsonic.com's score changed over time?
- viewsonic.com's overall score has declined by 6 points (from 89 to 83) since Jul 22, 2026.
OpenGraph & Twitter Card
OpenGraph
Twitter Card