squoosh.app
Squoosh
Last scanned Jul 26, 2026, 5:17 AM · 2 views
Overall score
Great
Summary
Squoosh is the ultimate image optimizer that allows you to compress and compare images with different codecs in your browser. This website uses Google Analytics hosted on AWS behind Netlify CDN. SEO is good (80/100) and accessibility is excellent (100/100). Security scores good (75/100) and performance excellent (100/100). Top issue: No structured data (JSON-LD) found.
Squoosh is the ultimate image optimizer that allows you to compress and compare images with different codecs in your browser.
- United States
- Hosted on AWS
Top issues to fix
7 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.
No structured data (JSON-LD) found
SEOAdd JSON-LD (Organization, Article, Product…) to become eligible for rich results.
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.
+1 more issue — details in the sections below.
SEO
3 issue(s) found
Performance
298 ms
Security
HTTPS & header checks
Accessibility
0 issue(s) found
Organization
Company details published in this site's own structured data.
Squoosh is the ultimate image optimizer that allows you to compress and compare images with different codecs in your browser.
Meta tags
- Title
- Squoosh
- Description
- Squoosh is the ultimate image optimizer that allows you to compress and compare images with different codecs in your browser.
- Canonical
- https://squoosh.app
- Language
- en
- Charset
- Viewport
- width=device-width, initial-scale=1, maximum-scale=1, user-scalable=no
- Robots meta
- Manifest
- https://squoosh.app/manifest.json
Technologies
Detected frameworks, languages, and tools.
Hosting & CDN
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
- squoosh.app
- Valid from
- Jun 2, 2026
- Valid to
- Aug 31, 2026
- Days until expiry
- 35
- SAN domains
- *.squoosh.app, squoosh.app
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 3 · H3 0
Links
0 internal · 2 external · 2 broken
Images
9 total · 0 missing alt
Scripts / Styles
1 scripts · 0 stylesheets
JS / CSS size
43.9 KB · 6.3 KB
Page size
73.5 KB
Robots.txt & Sitemap
- robots.txt
- Not found
- Disallow rules
- 0
- sitemap.xml
- Not found
- URLs in sitemap
- 0
SEO issues
- No structured data (JSON-LD) found
- robots.txt not found
- sitemap.xml not found
Accessibility issues
No accessibility issues detected.
Scan details
- Requested URL
- https://squoosh.app
- Final URL
- https://squoosh.app
- HTTP status
- 200
- HTTP version
- HTTP/2
- Response time
- 297 ms
- HTML size
- 73.5 KB
- Redirect chain
- https://squoosh.app
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Frequently asked questions
- What technology does squoosh.app use?
- squoosh.app is built with Google Analytics.
- Is squoosh.app secure (HTTPS)?
- Yes. squoosh.app uses TLS 1.3 with a certificate issued by Let's Encrypt, valid until Aug 31, 2026.
- Who hosts squoosh.app?
- squoosh.app is hosted on AWS, behind Netlify CDN.
- What is squoosh.app's SEO score?
- squoosh.app scored 80/100 for SEO in the latest analysis (great).
- What is squoosh.app's overall website score?
- squoosh.app has an overall SiteGraph score of 88/100, combining SEO, performance, security, and accessibility.
OpenGraph & Twitter Card
OpenGraph
Twitter Card