jsonlint.com
Registered
Page analyze update date:
2026/02/21 09:10:03
Last whois update date:
2026/03/27 16:31:34
Domain Status
Registered
Paid till
07.01.2027
Available from
06.02.2027
×
![Fullscreen website screenshot]()
jsonlint.com Website screenshot
SEO Score
71.23%
104
Score achieved
146
Maximum score
Main Information
Title: JSONLint - The JSON Validator
Description: JSONLint is the free online validator, json formatter, and json beautifier tool for JSON, a lightweight data-interchange format.
Keywords: empty
Page Encoding:
utf-8
Page Filesize: 199 KB
Server Information
IP: 104.26.12.81
Location: ,,,,,,
Http Server: cloudflare
Encoding: utf-8
Powered by: next.js
Meta Tags List
- charset: utf-8
- name: viewport content: width=device-width, initial-scale=1
- name: theme-color content: #0D0D0D
- name: description content: JSONLint is the free online validator, json formatter, and json beautifier tool for JSON, a lightweight data-interchange format.
- name: author content: JSONLint
- name: keywords content: JSON,validator,formatter,beautifier,lint,parser,online tool,JSON checker
- name: creator content: JSONLint
- name: publisher content: JSONLint
- name: robots content: index, follow
- name: googlebot content: index, follow, max-video-preview:-1, max-image-preview:large, max-snippet:-1
- property: og:title content: JSONLint - The JSON Validator
- property: og:description content: JSONLint is the free online validator, json formatter, and json beautifier tool for JSON, a lightweight data-interchange format.
- property: og:url content: https://jsonlint.com
- property: og:site_name content: JSONLint
- property: og:locale content: en_US
- property: og:type content: website
- name: twitter:card content: summary
- name: twitter:title content: JSONLint - The JSON Validator
- name: twitter:description content: JSONLint is the free online validator, json formatter, and json beautifier tool for JSON.
Internal Links
External Links
Whois Information
domain_name: jsonlint.com
update_date: 2025-12-08T07:49:31Z
update_time: 1765180171
creation_date: 2008-01-07T14:58:14Z
creation_time: 1199717894
expiration_date: 2027-01-07T14:58:14Z
Whois Raw Data
Domain Name: JSONLINT.COM
Registrar: NameCheap, Inc.
Domain Status: client transfer prohibited
Creation Date: 2008-01-07T14:58:14Z
Registry Expiry Date: 2027-01-07T14:58:14Z
Updated Date: 2025-12-08T07:49:31Z
Name Server: DINA.NS.CLOUDFLARE.COM
Name Server: ROAN.NS.CLOUDFLARE.COM
REGISTRAR Contact: NameCheap, Inc.
>>> Last update of RDAP database: 2026-03-27T16:31:34Z
Robots.txt
User-agent: *
Allow: /
Sitemap: https://jsonlint.com/sitemap.xml
SEO Audit
Technical SEO
✓
Response Code
200
Status 200 OK - page loads correctly.
✓
Character Encoding
Page: utf-8, Header: utf-8
Character encoding consistent between HTML and headers.
✓
Page Size
204052 bytes
Page size acceptable for fast loading.
✓
Resources
34 total
Moderate number of resources. Consider combining files.
✓
Hreflang Tags
0 hreflang tags
Add hreflang tags if you have multilingual content.
✓
Robots.txt
Exists
Robots.txt file found.
✓
Sitemap
Declared in robots.txt
Sitemap declared in robots.txt.
✓
HTTPS
Yes
Secure HTTPS connection enabled.
!
Compression
br
Enable gzip or zstd compression to reduce file sizes.
✓
Caching
s-maxage=31536000, stale-while-revalidate
Cache-control headers properly set.
✓
Page Speed
5.65 ms
Excellent loading speed.
On-Page SEO
!
Title
JSONLint - The JSON Validator
Title too short. Expand to 30-60 characters for better SEO.
✓
Meta Description
JSONLint is the free online validator, json formatter, and json beautifier tool for JSON, a lightweight data-interchange format. Lenght:128
Good meta description length (100-160 characters).
!
H1 Heading
0 found - ""
Add exactly one H1 heading with primary keywords.
✓
Word Count
876
Good content length (500-2000 words recommended).
!
Canonical Tag
Add canonical tag to prevent duplicate content issues.
✓
Duplicate Meta
[]
No duplicate meta tags found.
✓
Keywords
empty
Meta keywords set (note: not used by major search engines).
Content and UX
✓
Language
en
Language attribute properly set.
✓
Images
0 total, 0 missing ALT
All images have proper ALT text.
✓
Viewport
width=device-width, initial-scale=1
Viewport meta tag properly set for mobile devices.
!
Open Graph
Missing: og:image
Add missing OpenGraph tags for social media sharing: og:image
!
Structured Data
0 JSON-LD scripts
Add structured data (JSON-LD) for rich snippets and better SEO.
Positions in Google
Search Phrases - Google
| Position | Phrase | Page | Snippet |
|---|---|---|---|
| 10 | / |