varnish-cache.org
Varnish Cache - An open-source HTTP accelerator with native TLS, built for the cloud-native era
Last scanned Aug 6, 2026, 1:00 AM · 8 views
Overall score
Excellent
Summary
Varnish is a powerful, flexible HTTP accelerator that speeds up web applications by caching content and optimizing delivery. This website is hosted on DigitalOcean. SEO is excellent (95/100) and accessibility is excellent (100/100). Security scores fair (65/100) and performance excellent (100/100). Top issue: Title longer than 60 characters.
Varnish Cache
Varnish is a powerful, flexible HTTP accelerator that speeds up web applications by caching content and optimizing delivery.
- United States
- Hosted on DigitalOcean
Top issues to fix
6 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.
Title longer than 60 characters
SEOShorten the title to under 60 characters so search results don't truncate it.
2 broken links on the page
SEOFix or remove broken links — they waste crawl budget and erode user trust.
SEO
1 issue(s) found
Performance
248 ms
Security
HTTPS & header checks
Accessibility
0 issue(s) found
Score history
+3 overall since Jul 26, 2026
- Overall
- 90
- SEO
- 95
- Security
- 65
- Performance
- 100
- Accessibility
- 100
Organization
Company details published in this site's own structured data.
Varnish Cache
Varnish is a powerful, flexible HTTP accelerator that speeds up web applications by caching content and optimizing delivery.
Contact
Email, phone, and address published on this site's own pages.
Source: https://www.varnish.org/contact
Meta tags
- Title
- Varnish Cache - An open-source HTTP accelerator with native TLS, built for the cloud-native era
- Description
- Varnish is a powerful, flexible HTTP accelerator that speeds up web applications by caching content and optimizing delivery.
- Canonical
- https://www.varnish.org/
- Language
- en-us
- Charset
- utf-8
- Viewport
- width=device-width,initial-scale=1,shrink-to-fit=no
- Robots meta
- index, follow
- Manifest
- https://www.varnish.org/site.webmanifest
Technologies
Detected frameworks, languages, and tools.
No technologies detected.
Hosting & CDN
- Hosting provider
- DigitalOcean
- CDN provider
- Fastly
- IP address
- 178.62.197.229
- ASN
- AS14061 (DIGITALOCEAN-ASN - DigitalOcean, LLC, US)
DNS records
| Type | Value |
|---|---|
| A |
|
| AAAA |
|
| MX |
|
| TXT |
|
| NS |
|
| CAA | — |
| CNAME |
|
| IPv6 support | Yes |
TLS / SSL certificate
- Version
- TLS 1.3
- Issuer
- Sectigo Limited
- Subject
- *.varnish.org
- Valid from
- Nov 3, 2025
- Valid to
- Nov 3, 2026
- Days until expiry
- 89
- SAN domains
- *.varnish.org, varnish.org
Security headers
- Strict-Transport-SecurityMissing
- Content-Security-PolicyMissing
- X-Frame-OptionsMissing
- X-Content-Type-OptionsMissing
- Referrer-PolicyMissing
- Permissions-PolicyMissing
Compression: none · 0 cookie(s) observed
Content & assets
Headings
H1 1 · H2 6 · H3 0
Links
11 internal · 15 external · 2 broken
Images
20 total · 4 missing alt
Scripts / Styles
6 scripts · 2 stylesheets
JS / CSS size
94.3 KB · 84.4 KB
Page size
82.9 KB
Robots.txt & Sitemap
- robots.txt
- Found
- Disallow rules
- 0
- sitemap.xml
- Found
- URLs in sitemap
- 325
SEO issues
- Title longer than 60 characters
Accessibility issues
No accessibility issues detected.
Careers
This company has an active careers page, but individual openings weren't reliably parsed from it — visit the page above for current listings.
Scan details
- Requested URL
- https://varnish-cache.org
- Final URL
- https://www.varnish.org/
- HTTP status
- 200
- HTTP version
- HTTP/2
- Response time
- 247 ms
- HTML size
- 82.9 KB
- Redirect chain
- https://varnish-cache.org → https://www.varnish.org/
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Frequently asked questions
- What technology does varnish-cache.org use?
- We did not detect any specific technologies for varnish-cache.org in the latest scan.
- Is varnish-cache.org secure (HTTPS)?
- Yes. varnish-cache.org uses TLS 1.3 with a certificate issued by Sectigo Limited, valid until Nov 3, 2026.
- Who hosts varnish-cache.org?
- varnish-cache.org is hosted on DigitalOcean, behind Fastly CDN.
- What is varnish-cache.org's SEO score?
- varnish-cache.org scored 95/100 for SEO in the latest analysis (excellent).
- What is varnish-cache.org's overall website score?
- varnish-cache.org has an overall SiteGraph score of 90/100, combining SEO, performance, security, and accessibility.
- What company operates varnish-cache.org?
- varnish-cache.org is operated by Varnish Cache. Varnish is a powerful, flexible HTTP accelerator that speeds up web applications by caching content and optimizing delivery.
- Has varnish-cache.org's score changed over time?
- varnish-cache.org's overall score has improved by 3 points (from 87 to 90) since Jul 26, 2026.
- Is varnish-cache.org hiring?
- varnish-cache.org has a careers page; check it directly for current openings.
OpenGraph & Twitter Card
OpenGraph
Twitter Card