Website review jsonlint.com
JSONLint - The JSON Validator
Generated on March 04 2026 11:25 AM
Old data? UPDATE !
The score is 68/100
SEO Content
Title
JSONLint - The JSON Validator
Length : 29
Perfect, your title contains between 10 and 70 characters.
Description
JSONLint is the free online validator, json formatter, and json beautifier tool for JSON, a lightweight data-interchange format.
Length : 128
Great, your meta description contains between 70 and 160 characters.
Keywords
JSON,validator,formatter,beautifier,lint,parser,online tool,JSON checker
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Og Meta Properties
Good, your page take advantage of Og Properties.
| Property | Content |
|---|---|
| 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. |
| url | https://jsonlint.com |
| site_name | JSONLint |
| locale | en_US |
| type | website |
Headings
| H1 | H2 | H3 | H4 | H5 | H6 |
| 0 | 10 | 7 | 0 | 0 | 0 |
- [H2] About the JSONLint Editor
- [H2] What Is JSON?
- [H2] Why Use JSON?
- [H2] Proper JSON Format
- [H2] Why Use JSONLint Validator and Formatter?
- [H2] How Does A JSONLint Validator Work?
- [H2] Tips & Tricks
- [H2] Common Errors
- [H2] Different Results
- [H2] Credits
- [H3] More tools from JSONLint
- [H3] Learn more about JSON
- [H3] Tools
- [H3] Converters
- [H3] Learn
- [H3] Datasets
- [H3] Friends
Images
We found 0 images on this web page.
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Text/HTML Ratio
Ratio : 8%
This page's ratio of text to HTML code is below 15 percent, this means that your website probably needs more text content.
Flash
Perfect, no Flash content has been detected on this page.
Iframe
Great, there are no Iframes detected on this page.
SEO Links
URL Rewrite
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Underscores in the URLs
Perfect! No underscores detected in your URLs.
In-page links
We found a total of 53 links including 0 link(s) to files
| Anchor | Type | Juice |
|---|---|---|
| Learn | Internal | Passing Juice |
| Datasets | Internal | Passing Juice |
| JSON's syntax | External | Passing Juice |
| Douglas Crockford | External | Passing Juice |
| Zach Carter | External | Passing Juice |
| pure JavaScript implementation | External | Passing Juice |
| JSONLint source code on GitHub | External | Passing Juice |
| XML to JSON | Internal | Passing Juice |
| JSON Stringify | Internal | Passing Juice |
| JSON Diff | Internal | Passing Juice |
| JSON Schema Validator | Internal | Passing Juice |
| JSON Path Query | Internal | Passing Juice |
| Mastering JSON Format: Advantages, Best Practices and Comparison with Other Data Formats | Internal | Passing Juice |
| Common JSON Mistakes and How to Avoid Them | Internal | Passing Juice |
| Mastering JSON in JavaScript: Comprehensive Examples and Techniques | Internal | Passing Juice |
| Understanding the Benefits of Using a JSON Beautifier | Internal | Passing Juice |
| How to open JSON files | Internal | Passing Juice |
| JSON Validator | Internal | Passing Juice |
| Pretty Print | Internal | Passing Juice |
| JSON Minify | Internal | Passing Juice |
| Tree Viewer | Internal | Passing Juice |
| Schema Generator | Internal | Passing Juice |
| JSON to CSV | Internal | Passing Juice |
| JSON to Excel | Internal | Passing Juice |
| JSON to SQL | Internal | Passing Juice |
| SQL to JSON | Internal | Passing Juice |
| JSON to YAML | Internal | Passing Juice |
| JSON to XML | Internal | Passing Juice |
| JSON to Java | Internal | Passing Juice |
| JSON to Python | Internal | Passing Juice |
| Python JSON Guide | Internal | Passing Juice |
| Fix Parse Errors | Internal | Passing Juice |
| Fix Syntax Errors | Internal | Passing Juice |
| JSON vs XML | Internal | Passing Juice |
| JSON Comments | Internal | Passing Juice |
| HTTP Status Codes | Internal | Passing Juice |
| Programming Languages | Internal | Passing Juice |
| File Extensions | Internal | Passing Juice |
| package.json Template | Internal | Passing Juice |
| tsconfig.json Template | Internal | Passing Juice |
| Fullres | External | Passing Juice |
| ChartKit | External | Passing Juice |
| Markdown Editor | External | Passing Juice |
| JSCompress | External | Passing Juice |
| RandomKeygen | External | Passing Juice |
| JSONCompare | External | Passing Juice |
| ValidateJavaScript | External | Passing Juice |
| ready.dev | External | Passing Juice |
| About | Internal | Passing Juice |
| Privacy | Internal | Passing Juice |
| Chrome Extension | Internal | Passing Juice |
| Mac App | External | Passing Juice |
| GitHub | External | Passing Juice |
SEO Keywords
Keywords Cloud
all programming data format tools jsonlint validate json javascript validator
Keywords Consistency
| Keyword | Content | Title | Keywords | Description | Headings |
|---|---|---|---|---|---|
| json | 37 |  |
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| data | 10 |  |
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| jsonlint | 7 | |
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| format | 7 | |
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| all | 7 | |
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Usability
Url
Domain : jsonlint.com
Length : 12
Favicon
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Printability
We could not find a Print-Friendly CSS.
Language
Good. Your declared language is en.
Dublin Core
This page does not take advantage of Dublin Core.
Document
Doctype
HTML 5
Encoding
Perfect. Your declared charset is UTF-8.
W3C Validity
Errors : 0
Warnings : 0
Email Privacy
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Deprecated HTML
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Speed Tips
|
Excellent, your website doesn't use nested tables. |
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Too bad, your website is using inline styles. |
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Great, your website has few CSS files. |
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Too bad, your website has too many JS files (more than 6). |
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Perfect, your website takes advantage of gzip. |
Mobile
Mobile Optimization
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Apple Icon |
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Meta Viewport Tag |
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Flash content |
Optimization
XML Sitemap
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| https://jsonlint.com/sitemap.xml |
Robots.txt
https://jsonlint.com/robots.txt
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Analytics
Missing
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PageSpeed Insights
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