What technology does js.org use?

We did not detect any specific technologies for js.org in the latest scan.

Is js.org secure (HTTPS)?

Yes. js.org uses TLS 1.3 with a certificate issued by Let's Encrypt, valid until Sep 29, 2026.

Hosting provider information for js.org is not available yet.

What is js.org's SEO score?

js.org scored 70/100 for SEO in the latest analysis (fair).

What is js.org's overall website score?

js.org has an overall SiteGraph score of 75/100, combining SEO, performance, security, and accessibility.

js.org

JS.ORG - the JavaScript organization

Last scanned Jul 21, 2026, 11:40 AM · 1 view

Overall score

Fair

Top issues to fix

10 issues found · 4 high priority

Missing Strict-Transport-Security header
Security
Add HSTS so browsers always use HTTPS — this closes the protocol-downgrade attack window.
Missing Content-Security-Policy header
Security
Add a CSP to control which sources can run scripts — the strongest single defense against XSS.
No H1 heading found
SEO
Add exactly one H1 describing the page's main topic — it anchors the document outline for search engines and screen readers.
Slow estimated load (5.6s)
Performance
Use a CDN, enable caching/compression, and cut render-blocking assets — every extra second costs conversions.
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.

+4 more issues — details in the sections below.

Summary

Dedicated to JavaScript and its awesome community since 2015. SEO is fair (70/100) and accessibility is excellent (90/100). Security scores fair (65/100) and performance good (80/100). Top issue: No H1 heading found.

SEO

4 issue(s) found

Performance

5.64 s

Security

HTTPS & header checks

Accessibility

1 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.

X (Twitter)X (Twitter)

Meta tags

Title: JS.ORG - the JavaScript organization
Description: Dedicated to JavaScript and its awesome community since 2015
Canonical: https://js.org/index.html
Language: en
Charset: utf-8
Viewport: width=device-width,initial-scale=1
Robots meta
Manifest: https://js.org/manifest.webmanifest

Technologies

Detected frameworks, languages, and tools.

No technologies detected.

Hosting & CDN

Hosting provider: —
CDN provider: Cloudflare
IP address: 104.26.8.84
ASN: —

DNS records

Type	Value
A	104.26.8.84 104.26.9.84 172.67.73.64
AAAA	2606:4700:20::681a:854 2606:4700:20::681a:954 2606:4700:20::ac43:4940
MX	mx2.improvmx.com mx1.improvmx.com
TXT	github-verification=Co5XEGjgZ54phI90tdeEbcXBt0LErl0nKNUpqPmR v=spf1 -all
NS	miles.ns.cloudflare.com pam.ns.cloudflare.com
CAA	—
CNAME	—
IPv6 support	Yes

TLS / SSL certificate

Version: TLS 1.3
Issuer: Let's Encrypt
Subject: js.org
Valid from: Jul 1, 2026
Valid to: Sep 29, 2026
Days until expiry: 70
SAN domains: *.js.org, js.org

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 0 · H2 0 · H3 4

Links

3 internal · 10 external · 3 broken

Images

0 total · 0 missing alt

Scripts / Styles

4 scripts · 0 stylesheets

JS / CSS size

59.6 KB · 8.0 KB

Page size

17.1 KB

Robots.txt & Sitemap

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

SEO issues

No H1 heading found
No structured data (JSON-LD) found
robots.txt not found
sitemap.xml not found

Scan details

Requested URL: https://js.org
Final URL: https://js.org
HTTP status: 200
HTTP version: HTTP/2
Response time: 5.64 s
HTML size: 17.1 KB
Redirect chain: https://js.org

Frequently asked questions

What technology does js.org use?: We did not detect any specific technologies for js.org in the latest scan.
Is js.org secure (HTTPS)?: Yes. js.org uses TLS 1.3 with a certificate issued by Let's Encrypt, valid until Sep 29, 2026.
Who hosts js.org?: Hosting provider information for js.org is not available yet.
What is js.org's SEO score?: js.org scored 70/100 for SEO in the latest analysis (fair).
What is js.org's overall website score?: js.org has an overall SiteGraph score of 75/100, combining SEO, performance, security, and accessibility.