What technology does sizzlejs.com use?

We did not detect any specific technologies for sizzlejs.com in the latest scan.

Is sizzlejs.com secure (HTTPS)?

Yes. sizzlejs.com uses TLS 1.3 with a certificate issued by Sectigo Limited, valid until Sep 30, 2026.

Who hosts sizzlejs.com?

Hosting provider information for sizzlejs.com is not available yet.

What is sizzlejs.com's SEO score?

sizzlejs.com scored 70/100 for SEO in the latest analysis (fair).

What is sizzlejs.com's overall website score?

sizzlejs.com has an overall SiteGraph score of 91/100, combining SEO, performance, security, and accessibility.

Has sizzlejs.com's score changed over time?

sizzlejs.com's overall score has improved by 1 point (from 90 to 91) since Jul 26, 2026.

sizzlejs.com

Home · jquery/sizzle Wiki · GitHub

Last scanned Aug 2, 2026, 1:00 AM · 7 views

Overall score

Excellent

Summary

A sizzlin' hot selector engine. SEO is fair (70/100) and accessibility is excellent (100/100). Security scores excellent (100/100) and performance excellent (100/100). Top issue: Missing canonical link.

A sizzlin' hot selector engine. Contribute to jquery/sizzle development by creating an account on GitHub.

Top issues to fix

7 issues found

1 cookie 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.
Missing canonical link
SEO
Add <link rel="canonical"> so search engines know which URL variant to index.
Multiple H1 headings found
SEO
Keep a single H1 per page and demote the others to H2/H3.
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.
sitemap.xml not found
SEO
Publish an XML sitemap and reference it from robots.txt to speed up page discovery.

+1 more issue — details in the sections below.

SEO

5 issue(s) found

100

Performance

460 ms

100

Security

HTTPS & header checks

100

Accessibility

0 issue(s) found

Score history

+1 overall since Jul 26, 2026

Overall: 91
SEO: 70
Security: 100
Performance: 100
Accessibility: 100

Organization

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

A sizzlin' hot selector engine. Contribute to jquery/sizzle development by creating an account on GitHub.

GitHub GitHub GitHub GitHub GitHub GitHub GitHub GitHub GitHub GitHub

Meta tags

Title: Home · jquery/sizzle Wiki · GitHub
Description: A sizzlin' hot selector engine. Contribute to jquery/sizzle development by creating an account on GitHub.
Canonical
Language: en
Charset: utf-8
Viewport: width=device-width
Robots meta
Manifest: https://github.com/manifest.json

Technologies

Detected frameworks, languages, and tools.

No technologies detected.

Hosting & CDN

Hosting provider: —
CDN provider: —
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: Sectigo Limited
Subject: github.com
Valid from: Jul 3, 2026
Valid to: Sep 30, 2026
Days until expiry: 59
SAN domains: github.com, www.github.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 8 · H2 11 · H3 10

Links

101 internal · 24 external · 20 broken

Images

0 total · 0 missing alt

Scripts / Styles

15 scripts · 23 stylesheets

JS / CSS size

7.5 KB · 409 B

Page size

270 KB

Robots.txt & Sitemap

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

SEO issues

Missing canonical link
Multiple H1 headings found
No structured data (JSON-LD) found
robots.txt not found
sitemap.xml not found

Scan details

Requested URL: https://sizzlejs.com
Final URL: https://github.com/jquery/sizzle/wiki
HTTP status: 200
HTTP version: HTTP/2
Response time: 455 ms
HTML size: 270 KB
Redirect chain: https://sizzlejs.com → https://github.com/jquery/sizzle/wiki

See something wrong on this report? Request a correction

Frequently asked questions

What technology does sizzlejs.com use?: We did not detect any specific technologies for sizzlejs.com in the latest scan.
Is sizzlejs.com secure (HTTPS)?: Yes. sizzlejs.com uses TLS 1.3 with a certificate issued by Sectigo Limited, valid until Sep 30, 2026.
Who hosts sizzlejs.com?: Hosting provider information for sizzlejs.com is not available yet.
What is sizzlejs.com's SEO score?: sizzlejs.com scored 70/100 for SEO in the latest analysis (fair).
What is sizzlejs.com's overall website score?: sizzlejs.com has an overall SiteGraph score of 91/100, combining SEO, performance, security, and accessibility.
Has sizzlejs.com's score changed over time?: sizzlejs.com's overall score has improved by 1 point (from 90 to 91) since Jul 26, 2026.