81
/ 100
A
Great
Overall Domain Score
SEO 85 · LLM 82 · Perf 73
85
π SEO Score
11 / 13 checks passed
82
π€ LLM Readiness
9 / 11 checks passed
73
β‘ Performance
8 / 11 checks passed
π Extracted Page Tags
Title Tag
Resend Β· Email for developers
Meta Description
The best way to reach humans instead of spam folders. Deliver transactional and marketing emails at scale.
H1 Heading
Email fordevelopers
Canonical URL
https://resend.com
π SEO Audit
85/100β Title Tag
Length: 29 chars (Ideal: 30-60).
β
Meta Description
Length: 106 chars (Ideal: 50-160).
β
H1 Tag
Found 1 H1 tags. Exactly 1 is recommended.
β
Canonical URL
Canonical URL is set.
β Open Graph Tags
Found 3 OG properties (4+ recommended).
β
Indexability
Page allows indexing.
β
Mobile Viewport
Viewport meta tag present.
β
Image Alt Text
0 of 13 images missing alt.
β
Sitemap
Sitemap declared.
β
Heading Hierarchy
H1 and H2 structure detected.
β
Internal Links
Found 47 internal links.
β
HSTS Security
HSTS header present.
β
HTTPS
Loads securely over HTTPS.
π€ LLMO
82/100β
Structured Data (JSON-LD)
Found 1 JSON-LD blocks.
β
Schema Entities
Types: organization, website, softwareapplication, breadcrumblist
β FAQ Schema
Missing FAQ schema.
β
Contextual Summary
Description provides good AI context.
β
E-E-A-T (Author)
Author identity found.
β
Organisation Schema
Business entity defined.
β
Breadcrumb Schema
Site architecture is machine-readable.
β
AI Crawler Access
AI agents not blocked.
β
Language Declaration
Language set to 'en'.
β Semantic Structure
No semantic HTML5 wrappers.
β
Entity Verification Links
Social/publisher profiles linked.
β‘ Performance
73/100Network Waterfall (Total: 308ms)
- DNS: 124ms
- Connect: 125ms
- TTFB: 252ms
- Download: 56ms
β
Time to First Byte (TTFB)
TTFB: 252ms (Target: < 600ms).
β
HTML Payload Size
Raw HTML: 72.8KB (Target: < 150KB).
β
Text Compression
Compression enabled (gzip).
β
Cache Policies
Cache-Control headers set.
β CDN Usage
No CDN headers found.
β
Secure Delivery (HTTPS)
Served securely.
β Modern Protocol
Using HTTP/1.1.
β
Native Lazy Loading
Images use loading='lazy'.
β Minified Assets
No minified assets linked.
β
Preload / Preconnect Hints
Resource hints found.
β
Character Set
UTF-8 declared.
π‘οΈ Security & Blacklist
Cleanβ
Domain is clean.
β
Spamhaus DBLVerify β
Lookup inconclusive β use the Verify link to check manually.
β
SURBLVerify β
Not listed β no threats detected.
β
URIBLVerify β
Lookup inconclusive β use the Verify link to check manually.
β
Google Safe BrowsingVerify β
No unsafe content found per Google Safe Browsing.
βοΈ Technologies
JavaScript
Next.js
CSS Frameworks
Tailwind CSS
π WHOIS
Registrar
Amazon Registrar, Inc.
Registered
2002-08-23
Expires
2026-08-23
Last Updated
2025-07-19
Status
client delete prohibited, client transfer prohibited, client update prohibited
Name Servers
ns-1017.awsdns-63.net, ns-1047.awsdns-02.org, ns-1910.awsdns-46.co.uk, ns-399.awsdns-49.com
π DNS Records
| Type | Value |
|---|---|
| A | 76.76.21.22 |
| MX | alt3.aspmx.l.google.com |
| MX | alt4.aspmx.l.google.com |
| MX | alt1.aspmx.l.google.com |
| MX | alt2.aspmx.l.google.com |
| MX | aspmx.l.google.com |
| TXT | postman-domain-verification=82abfa6892faf4a9b4e83e0e1a1b3c5ead515575a566fbad5a27ad31bc72abedbf1b3f2a6dc82fe1a893a0915dfa4fe5648543a1ea757147f9466cc7bdd9db07 |
| TXT | v=spf1 include:_spf.google.com ~all |
| TXT | OSSRH-89476 |
| TXT | anthropic-domain-verification-eg6zmc=GUL1nibiemWkI0ed7xBdqCp2f |
| TXT | apple-domain-verification=jSjlmZKPbN4Y6q0RpeZlG9u91rnz7u0I3Sd7Md_PuKQ |
| TXT | google-site-verification=CUET3Yw2VhI0haxJZ1IfCqDGJyHQVngs3WhrYoFnths |
| TXT | google-site-verification=XKBn7AaBJgpvdcnqOK8y8HbZicAN-fK0qQVe7UuHDog |
| TXT | linear-domain-verification=6x2ex3xu3sby |
| TXT | notion-domain-verification=Z2gCKFyNMpCuoBrnJwskSbxzBRs7JU0FxCaaSEyLEp |
| NS | ns-1047.awsdns-02.org |
| NS | ns-1910.awsdns-46.co.uk |
| NS | ns-399.awsdns-49.com |
| NS | ns-1017.awsdns-63.net |