ada-url.com
Fast WHATWG Compliant URL parser - Ada URL
Last scanned Jul 27, 2026, 11:43 AM · 1 view
Overall score
Great
Summary
WHATWG Compliant URL parser written with focus on compliance, performance and security across multiple platforms and languages. This website uses Cloudflare Analytics hosted on Cloudflare behind Cloudflare CDN. SEO is good (80/100) and accessibility is excellent (100/100). Security scores fair (65/100) and performance excellent (100/100). Top issue: No structured data (JSON-LD) found.
WHATWG Compliant URL parser written with focus on compliance, performance and security across multiple platforms and languages.
- United States
- Hosted on Cloudflare
Top issues to fix
7 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.
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.
+1 more issue — details in the sections below.
SEO
3 issue(s) found
Performance
206 ms
Security
HTTPS & header checks
Accessibility
0 issue(s) found
Organization
Company details published in this site's own structured data.
WHATWG Compliant URL parser written with focus on compliance, performance and security across multiple platforms and languages.
Meta tags
- Title
- Fast WHATWG Compliant URL parser - Ada URL
- Description
- WHATWG Compliant URL parser written with focus on compliance, performance and security across multiple platforms and languages.
- Canonical
- https://www.ada-url.com/
- Language
- en
- Charset
- utf-8
- Viewport
- width=device-width, initial-scale=1
- Robots meta
- Manifest
Technologies
Detected frameworks, languages, and tools.
Hosting & CDN
- Hosting provider
- Cloudflare
- CDN provider
- Cloudflare
- IP address
- 104.26.15.84
- ASN
- AS13335 (CLOUDFLARENET - Cloudflare, Inc., US)
DNS records
| Type | Value |
|---|---|
| A |
|
| AAAA |
|
| MX |
|
| TXT |
|
| NS |
|
| CAA | — |
| CNAME | — |
| IPv6 support | Yes |
TLS / SSL certificate
- Version
- TLS 1.3
- Issuer
- Google Trust Services
- Subject
- ada-url.com
- Valid from
- Jul 22, 2026
- Valid to
- Oct 20, 2026
- Days until expiry
- 85
- SAN domains
- ada-url.com, *.ada-url.com
Security headers
- Strict-Transport-SecurityMissing
- 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 1 · H3 0
Links
5 internal · 3 external · 0 broken
Images
4 total · 0 missing alt
Scripts / Styles
10 scripts · 3 stylesheets
JS / CSS size
35.1 KB · 2.0 KB
Page size
18.8 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://ada-url.com
- Final URL
- https://ada-url.com
- HTTP status
- 200
- HTTP version
- HTTP/2
- Response time
- 206 ms
- HTML size
- 18.8 KB
- Redirect chain
- https://ada-url.com
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Frequently asked questions
- What technology does ada-url.com use?
- ada-url.com is built with Svelte, Cloudflare Analytics.
- Is ada-url.com secure (HTTPS)?
- Yes. ada-url.com uses TLS 1.3 with a certificate issued by Google Trust Services, valid until Oct 20, 2026.
- Who hosts ada-url.com?
- ada-url.com is hosted on Cloudflare, behind Cloudflare CDN.
- What is ada-url.com's SEO score?
- ada-url.com scored 80/100 for SEO in the latest analysis (great).
- What is ada-url.com's overall website score?
- ada-url.com has an overall SiteGraph score of 85/100, combining SEO, performance, security, and accessibility.
OpenGraph & Twitter Card
OpenGraph
Twitter Card