deque.com
Deque Systems: Web Accessibility Software, Services & Training
Last scanned Aug 3, 2026, 2:00 PM · 6 views
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 behind Fastly CDN. SEO is excellent (90/100) 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.
Top issues to fix
5 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.
sitemap.xml not found
SEOPublish an XML sitemap and reference it from robots.txt to speed up page discovery.
SEO
2 issue(s) found
Performance
18 ms
Security
HTTPS & header checks
Accessibility
0 issue(s) found
Score history
-1 overall since Jul 26, 2026
- Overall
- 86
- SEO
- 90
- Security
- 75
- Performance
- 80
- Accessibility
- 100
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
- Hosting provider
- —
- CDN provider
- Fastly
- IP address
- 23.185.0.1
- ASN
- —
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
- Aug 2, 2026
- Valid to
- Oct 31, 2026
- Days until expiry
- 88
- 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 18 · H3 22
Links
56 internal · 20 external · 0 broken
Images
28 total · 0 missing alt
Scripts / Styles
35 scripts · 10 stylesheets
JS / CSS size
979 KB · 939 KB
Page size
321 KB
Robots.txt & Sitemap
- robots.txt
- Found
- Disallow rules
- 4
- sitemap.xml
- Not found
- URLs in sitemap
- 0
SEO issues
- Title longer than 60 characters
- sitemap.xml not found
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
- 12 ms
- HTML size
- 321 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, Google Analytics, Nginx.
- Is deque.com secure (HTTPS)?
- Yes. deque.com uses TLS 1.3 with a certificate issued by Let's Encrypt, valid until Oct 31, 2026.
- Who hosts deque.com?
- Hosting provider information for deque.com is not available yet.
- What is deque.com's SEO score?
- deque.com scored 90/100 for SEO in the latest analysis (excellent).
- What is deque.com's overall website score?
- deque.com has an overall SiteGraph score of 86/100, combining SEO, performance, security, and accessibility.
- Has deque.com's score changed over time?
- deque.com's overall score has declined by 1 point (from 87 to 86) since Jul 26, 2026.
OpenGraph & Twitter Card
OpenGraph
Twitter Card