deque.com
Deque Systems: Web Accessibility Software, Services & Training
Last scanned Jul 26, 2026, 5:47 AM
Overall score
Great
Summary
Deque Systems provides web and mobile accessibility solutions so you can meet compliance goals and help make the web accessible to all users. This website uses WordPress hosted on Fastly behind Fastly CDN. SEO is excellent (95/100) and accessibility is excellent (100/100). Security scores good (75/100) and performance good (80/100). Top issue: Title longer than 60 characters.
Deque Systems provides web and mobile accessibility solutions so you can meet compliance goals and help make the web accessible to all users.
- United States
- Hosted on Fastly
Top issues to fix
4 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.
SEO
1 issue(s) found
Performance
365 ms
Security
HTTPS & header checks
Accessibility
0 issue(s) found
Organization
Company details published in this site's own structured data.
Contact
Email, phone, and address published on this site's own pages.
- Phone
- 1-703-225-0380
Meta tags
- Title
- Deque Systems: Web Accessibility Software, Services & Training
- Description
- Deque Systems provides web and mobile accessibility solutions so you can meet compliance goals and help make the web accessible to all users.
- Canonical
- https://www.deque.com/
- Language
- en-US
- Charset
- UTF-8
- Viewport
- width=device-width, initial-scale=1
- Robots meta
- index, follow, max-image-preview:large, max-snippet:-1, max-video-preview:-1
- Manifest
Technologies
Detected frameworks, languages, and tools.
Hosting & CDN
DNS records
| Type | Value |
|---|---|
| A |
|
| AAAA |
|
| MX | — |
| TXT | — |
| NS | — |
| CAA | — |
| CNAME | — |
| IPv6 support | Yes |
TLS / SSL certificate
- Version
- TLS 1.3
- Issuer
- Let's Encrypt
- Subject
- deque.com
- Valid from
- Jun 3, 2026
- Valid to
- Sep 1, 2026
- Days until expiry
- 36
- SAN domains
- audit.deque.com, deque.com, www.deque.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 10 · H3 20
Links
56 internal · 20 external · 0 broken
Images
25 total · 0 missing alt
Scripts / Styles
29 scripts · 16 stylesheets
JS / CSS size
561 KB · 963 KB
Page size
323 KB
Robots.txt & Sitemap
- robots.txt
- Found
- Disallow rules
- 4
- sitemap.xml
- Found
- URLs in sitemap
- -1
SEO issues
- Title longer than 60 characters
Accessibility issues
No accessibility issues detected.
Scan details
- Requested URL
- https://deque.com
- Final URL
- https://www.deque.com/
- HTTP status
- 200
- HTTP version
- HTTP/2
- Response time
- 359 ms
- HTML size
- 323 KB
- Redirect chain
- https://deque.com → https://www.deque.com/
See something wrong on this report? Request a correction
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Frequently asked questions
- What technology does deque.com use?
- deque.com is built with WordPress, jQuery, Nginx.
- Is deque.com secure (HTTPS)?
- Yes. deque.com uses TLS 1.3 with a certificate issued by Let's Encrypt, valid until Sep 1, 2026.
- Who hosts deque.com?
- deque.com is hosted on Fastly, behind Fastly CDN.
- What is deque.com's SEO score?
- deque.com scored 95/100 for SEO in the latest analysis (excellent).
- What is deque.com's overall website score?
- deque.com has an overall SiteGraph score of 87/100, combining SEO, performance, security, and accessibility.
OpenGraph & Twitter Card
OpenGraph
Twitter Card