resend.com
Resend · Email for developers
Last scanned Aug 1, 2026, 9:00 PM · 13 views
Overall score
Excellent
Summary
The best way to reach humans instead of spam folders. This website uses Next.js behind Vercel 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.
The best way to reach humans instead of spam folders. Deliver transactional and marketing emails at scale.
Top issues to fix
3 issues found
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
273 ms
Security
HTTPS & header checks
Accessibility
0 issue(s) found
Score history
+4 overall since Jul 25, 2026
- Overall
- 95
- SEO
- 90
- Security
- 100
- Performance
- 90
- Accessibility
- 100
Organization
Company details published in this site's own structured data.
The best way to reach humans instead of spam folders. Deliver transactional and marketing emails at scale.
Contact
Email, phone, and address published on this site's own pages.
Meta tags
- Title
- Resend · Email for developers
- Description
- The best way to reach humans instead of spam folders. Deliver transactional and marketing emails at scale.
- Canonical
- https://resend.com
- Language
- en
- Charset
- utf-8
- Viewport
- width=device-width, initial-scale=1
- Robots meta
- index, follow
- Manifest
Technologies
Detected frameworks, languages, and tools.
Hosting & CDN
- Hosting provider
- —
- CDN provider
- Vercel
- 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
- resend.com
- Valid from
- Jun 30, 2026
- Valid to
- Sep 28, 2026
- Days until expiry
- 57
- SAN domains
- resend.com
Security headers
- Strict-Transport-SecurityEnabled
- Content-Security-PolicyEnabled
- X-Frame-OptionsEnabled
- X-Content-Type-OptionsEnabled
- Referrer-PolicyEnabled
- Permissions-PolicyEnabled
Compression: gzip · 0 cookie(s) observed
Content & assets
Headings
H1 1 · H2 14 · H3 0
Links
39 internal · 7 external · 20 broken
Images
13 total · 0 missing alt
Scripts / Styles
84 scripts · 5 stylesheets
JS / CSS size
76.0 KB · 0 B
Page size
435 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://resend.com
- Final URL
- https://resend.com
- HTTP status
- 200
- HTTP version
- HTTP/2
- Response time
- 265 ms
- HTML size
- 435 KB
- Redirect chain
- https://resend.com
See something wrong on this report? Request a correction
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Frequently asked questions
- What technology does resend.com use?
- resend.com is built with Next.js.
- Is resend.com secure (HTTPS)?
- Yes. resend.com uses TLS 1.3 with a certificate issued by Let's Encrypt, valid until Sep 28, 2026.
- Who hosts resend.com?
- Hosting provider information for resend.com is not available yet.
- What is resend.com's SEO score?
- resend.com scored 90/100 for SEO in the latest analysis (excellent).
- What is resend.com's overall website score?
- resend.com has an overall SiteGraph score of 95/100, combining SEO, performance, security, and accessibility.
- Has resend.com's score changed over time?
- resend.com's overall score has improved by 4 points (from 91 to 95) since Jul 25, 2026.
OpenGraph & Twitter Card
OpenGraph
Twitter Card