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zeit.co

Agentic Infrastructure - Vercel

Last scanned Aug 24, 2026, 1:23 PM

94

Overall score

Excellent

Summary

Vercel provides the developer tools and cloud infrastructure to build, scale, and secure a faster, more personalized web. This website uses Next.js behind Vercel CDN. SEO is excellent (95/100) and accessibility is excellent (100/100). Security scores excellent (100/100) and performance good (80/100). Top issue: sitemap.xml not found.

Vercel Inc.

Vercel provides the developer tools and cloud infrastructure to build, scale, and secure a faster, more personalized web.

440 N Barranca Ave #4133, Covina, CA, 91723, US

Top issues to fix

2 issues found

  • 3 cookies without Secure/HttpOnly flags

    Security

    Set Secure and HttpOnly on session cookies so they can't leak over HTTP or be read by injected scripts.

  • sitemap.xml not found

    SEO

    Publish an XML sitemap and reference it from robots.txt to speed up page discovery.

95

SEO

1 issue(s) found

80

Performance

48 ms

100

Security

HTTPS & header checks

100

Accessibility

0 issue(s) found

Not enough scan history yet to show a trend — check back after this site has been re-scanned a few more times.

Organization

Company details published in this site's own structured data.

Vercel Inc.

Vercel provides the developer tools and cloud infrastructure to build, scale, and secure a faster, more personalized web.

Founded
Nov 4, 2015
FacebookX (Twitter)LinkedInGitHuben.wikipedia.orgwikidata.orgYouTubenpmjs.combsky.appreddit.com

Contact

Email, phone, and address published on this site's own pages.

Address
440 N Barranca Ave #4133, Covina, CA, 91723, US

Meta tags

Title
Agentic Infrastructure - Vercel
Description
The autonomous stack for every app and agent.
Canonical
https://vercel.com
Language
en
Charset
utf-8
Viewport
width=device-width, initial-scale=1, maximum-scale=1
Robots meta
index, max-image-preview:large
Manifest
https://vercel.com/manifest.webmanifest

OpenGraph & Twitter Card

OpenGraph

og:title
Agentic Infrastructure - Vercel
og:description
The autonomous stack for every app and agent.
og:type
website
og:url
https://vercel.com

Twitter Card

twitter:card
summary_large_image
twitter:title
Agentic Infrastructure - Vercel
twitter:description
The autonomous stack for every app and agent.

Technologies

Detected frameworks, languages, and tools.

Next.js

Hosting & CDN

Hosting provider
—
CDN provider
Vercel
IP address
64.239.123.1
ASN
—

DNS records

TypeValue
A
  • 64.239.123.1
  • 64.239.109.65
AAAA—
MX
  • aspmx.l.google.com
  • alt1.aspmx.l.google.com
  • aspmx3.googlemail.com
  • alt2.aspmx.l.google.com
  • aspmx2.googlemail.com
TXT—
NS
  • ns2.vercel-dns.com
  • ns1.vercel-dns.com
CAA
  • 0 issue "pki.goog"
  • 0 issue "globalsign.com"
  • 0 issue "sectigo.com"
  • 0 issue "letsencrypt.org"
CNAME—
IPv6 supportNo

TLS / SSL certificate

Version
TLS 1.3
Issuer
Let's Encrypt
Subject
*.vercel.com
Valid from
Jul 24, 2026
Valid to
Oct 22, 2026
Days until expiry
57
SAN domains
*.vercel.com, vercel.com

Security headers

  • Strict-Transport-SecurityEnabled
  • Content-Security-PolicyEnabled
  • X-Frame-OptionsEnabled
  • X-Content-Type-OptionsEnabled
  • Referrer-PolicyEnabled
  • Permissions-PolicyMissing

Compression: gzip · 3 cookie(s) observed

Content & assets

Headings

H1 1 · H2 17 · H3 6

Links

76 internal · 14 external · 0 broken

Images

17 total · 0 missing alt

Scripts / Styles

77 scripts · 4 stylesheets

JS / CSS size

961 KB · 913 KB

Page size

588 KB

Robots.txt & Sitemap

robots.txt
Found
Disallow rules
8
sitemap.xml
Not found
URLs in sitemap
0

SEO issues

  • sitemap.xml not found

Accessibility issues

No accessibility issues detected.

Scan details

Requested URL
https://zeit.co
Final URL
https://vercel.com/
HTTP status
200
HTTP version
HTTP/2
Response time
36 ms
HTML size
588 KB
Redirect chain
https://zeit.co → https://vercel.com/

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Frequently asked questions

What technology does zeit.co use?
zeit.co is built with Next.js.
Is zeit.co secure (HTTPS)?
Yes. zeit.co uses TLS 1.3 with a certificate issued by Let's Encrypt, valid until Oct 22, 2026.
Who hosts zeit.co?
Hosting provider information for zeit.co is not available yet.
What is zeit.co's SEO score?
zeit.co scored 95/100 for SEO in the latest analysis (excellent).
What is zeit.co's overall website score?
zeit.co has an overall SiteGraph score of 94/100, combining SEO, performance, security, and accessibility.
What company operates zeit.co?
zeit.co is operated by Vercel Inc.. Vercel provides the developer tools and cloud infrastructure to build, scale, and secure a faster, more personalized web.