casper.com
The Best Bed for Better Sleep | Casper Online Mattress Store
Last scanned Aug 3, 2026, 10:00 AM · 12 views
Overall score
Excellent
Summary
Discover award-winning mattresses built for cooler, deeper sleep and lasting support. This website uses Shopify behind Cloudflare CDN. SEO is excellent (90/100) and accessibility is excellent (100/100). Security scores excellent (100/100) and performance excellent (90/100). Top issue: robots.txt not found.
Casper
Discover award-winning mattresses built for cooler, deeper sleep and lasting support. Shop Casper with free shipping & returns.
Top issues to fix
4 issues found
4 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
172 ms
Security
HTTPS & header checks
Accessibility
0 issue(s) found
Score history
-3 overall since Jul 26, 2026
- Overall
- 95
- SEO
- 90
- Security
- 100
- Performance
- 90
- Accessibility
- 100
Organization
Company details published in this site's own structured data.
Casper
Discover award-winning mattresses built for cooler, deeper sleep and lasting support. Shop Casper with free shipping & returns.
Contact
Email, phone, and address published on this site's own pages.
- support@casper.com
- Phone
- +1-888-498-0003
Meta tags
- Title
- The Best Bed for Better Sleep | Casper Online Mattress Store
- Description
- Discover award-winning mattresses built for cooler, deeper sleep and lasting support. Shop Casper with free shipping & returns.
- Canonical
- https://casper.com/
- Language
- en
- Charset
- utf-8
- Viewport
- width=device-width, initial-scale=1.0, height=device-height
- Robots meta
- Manifest
Technologies
Detected frameworks, languages, and tools.
Hosting & CDN
- Hosting provider
- —
- CDN provider
- Cloudflare
- 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
- casper.com
- Valid from
- Jun 9, 2026
- Valid to
- Sep 7, 2026
- Days until expiry
- 34
- SAN domains
- casper.com
Security headers
- Strict-Transport-SecurityEnabled
- Content-Security-PolicyEnabled
- X-Frame-OptionsEnabled
- X-Content-Type-OptionsEnabled
- Referrer-PolicyMissing
- Permissions-PolicyMissing
Compression: gzip · 7 cookie(s) observed
Content & assets
Headings
H1 1 · H2 25 · H3 34
Links
139 internal · 12 external · 20 broken
Images
101 total · 0 missing alt
Scripts / Styles
96 scripts · 3 stylesheets
JS / CSS size
268 KB · 73.1 KB
Page size
726 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://casper.com
- Final URL
- https://casper.com
- HTTP status
- 200
- HTTP version
- HTTP/2
- Response time
- 158 ms
- HTML size
- 726 KB
- Redirect chain
- https://casper.com
See something wrong on this report? Request a correction
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Frequently asked questions
- What technology does casper.com use?
- casper.com is built with Shopify.
- Is casper.com secure (HTTPS)?
- Yes. casper.com uses TLS 1.3 with a certificate issued by Let's Encrypt, valid until Sep 7, 2026.
- Who hosts casper.com?
- Hosting provider information for casper.com is not available yet.
- What is casper.com's SEO score?
- casper.com scored 90/100 for SEO in the latest analysis (excellent).
- What is casper.com's overall website score?
- casper.com has an overall SiteGraph score of 95/100, combining SEO, performance, security, and accessibility.
- What company operates casper.com?
- casper.com is operated by Casper. Discover award-winning mattresses built for cooler, deeper sleep and lasting support. Shop Casper with free shipping & returns.
- Has casper.com's score changed over time?
- casper.com's overall score has declined by 3 points (from 98 to 95) since Jul 26, 2026.
OpenGraph & Twitter Card
OpenGraph
Twitter Card