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SGSiteGraph

socket.io

Socket.IO

Last scanned Jul 26, 2026, 4:25 AM · 1 view

86

Overall score

Great

Summary

This website is hosted on AWS. SEO is good (75/100) and accessibility is excellent (100/100). Security scores good (75/100) and performance excellent (100/100). Top issue: Missing meta description.

United States
Hosted on AWS

Top issues to fix

7 issues found · 2 high priority

  • Missing Content-Security-Policy header

    Security

    Add a CSP to control which sources can run scripts — the strongest single defense against XSS.

  • Missing meta description

    SEO

    Add a ~150-character meta description to control your search-result snippet and lift click-through rate.

  • Missing X-Content-Type-Options header

    Security

    Add X-Content-Type-Options: nosniff to stop MIME-sniffing attacks.

  • Missing X-Frame-Options header

    Security

    Add X-Frame-Options (or a CSP frame-ancestors rule) to prevent clickjacking via hidden iframes.

  • No structured data (JSON-LD) found

    SEO

    Add JSON-LD (Organization, Article, Product…) to become eligible for rich results.

  • robots.txt not found

    SEO

    Publish /robots.txt with a Sitemap: directive to guide crawlers.

+1 more issue — details in the sections below.

75

SEO

3 issue(s) found

100

Performance

21 ms

75

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.

Meta tags

Title
Socket.IO
Description
Canonical
https://socket.io/
Language
en
Charset
UTF-8
Viewport
width=device-width,initial-scale=1
Robots meta
Manifest

OpenGraph & Twitter Card

OpenGraph

og:title
Socket.IO
og:description
og:type
og:url
https://socket.io/

Twitter Card

twitter:card
summary_large_image
twitter:title
twitter:description

Technologies

Detected frameworks, languages, and tools.

No technologies detected.

Hosting & CDN

Hosting provider
AWS
CDN provider
Vercel
IP address
76.76.21.22
ASN
AS16509 (AMAZON-02 - Amazon.com, Inc., US)

DNS records

TypeValue
A
  • 76.76.21.22
  • 76.76.21.241
AAAA
MX
TXT
NS
  • ns2.automattic.com
  • ns3.automattic.com
  • ns1.automattic.com
  • ns4.automattic.com
CAA
CNAME
IPv6 supportNo

TLS / SSL certificate

Version
TLS 1.3
Issuer
Let's Encrypt
Subject
socket.io
Valid from
Jul 23, 2026
Valid to
Oct 21, 2026
Days until expiry
87
SAN domains
socket.io

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 0 · H3 6

Links

24 internal · 131 external · 2 broken

Images

125 total · 0 missing alt

Scripts / Styles

4 scripts · 1 stylesheets

JS / CSS size

464 KB · 84.9 KB

Page size

59.4 KB

Robots.txt & Sitemap

robots.txt
Not found
Disallow rules
0
sitemap.xml
Found
URLs in sitemap
218

SEO issues

  • Missing meta description
  • No structured data (JSON-LD) found
  • robots.txt not found

Accessibility issues

No accessibility issues detected.

Scan details

Requested URL
https://socket.io
Final URL
https://socket.io
HTTP status
200
HTTP version
HTTP/2
Response time
20 ms
HTML size
59.4 KB
Redirect chain
https://socket.io

See something wrong on this report? Request a correction

Frequently asked questions

What technology does socket.io use?
We did not detect any specific technologies for socket.io in the latest scan.
Is socket.io secure (HTTPS)?
Yes. socket.io uses TLS 1.3 with a certificate issued by Let's Encrypt, valid until Oct 21, 2026.
Who hosts socket.io?
socket.io is hosted on AWS, behind Vercel CDN.
What is socket.io's SEO score?
socket.io scored 75/100 for SEO in the latest analysis (fair).
What is socket.io's overall website score?
socket.io has an overall SiteGraph score of 86/100, combining SEO, performance, security, and accessibility.