Website review jwt.io
JSON Web Tokens - jwt.io
Generated on December 29 2025 01:40 AM
Old data? UPDATE !
The score is 66/100
SEO Content
Title
JSON Web Tokens - jwt.io
Length : 24
Perfect, your title contains between 10 and 70 characters.
Description
JSON Web Token (JWT) is a compact URL-safe means of representing claims to be transferred between two parties. The claims in a JWT are encoded as a JSON object that is digitally signed using JSON Web Signature (JWS).
Length : 216
Ideally, your meta description should contain between 70 and 160 characters (spaces included). Use this free tool to calculate text length.
Keywords
jwt,jwt payload,jwt header,jwt signature,json web token,jwt debugger,jwt encoder,jwt decoder,jwt verification
Good, your page contains meta keywords.
Og Meta Properties
Good, your page take advantage of Og Properties.
| Property | Content |
|---|---|
| title | JSON Web Tokens - jwt.io |
| description | JSON Web Token (JWT) is a compact URL-safe means of representing claims to be transferred between two parties. The claims in a JWT are encoded as a JSON object that is digitally signed using JSON Web Signature (JWS). |
| url | https://jwt.io |
| site_name | JSON Web Tokens - jwt.io |
| locale | en_US |
| image | https://jwt.io/img/facebook-card.png |
| image:width | 1145 |
| image:height | 601 |
| type | website |
Headings
| H1 | H2 | H3 | H4 | H5 | H6 |
| 1 | 0 | 2 | 10 | 0 | 0 |
- [H1] JSON Web Token (JWT) Debugger
- [H3] JWT Signature Verification(Optional)
- [H3] Get Started with JSON Web Tokens
- [H4] JSON Web Token (JWT)
- [H4] JWT
- [H4] Decoded Header
- [H4] Decoded Payload
- [H4] Secret
- [H4] Secret
- [H4] Looking for a JWT library?
- [H4] Badges
- [H4] Logotype
- [H4] Your Privacy Choices
Images
We found 9 images on this web page.
Good, most or all of your images have alt attributes.
Text/HTML Ratio
Ratio : 4%
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
Good. Your links looks friendly!
Underscores in the URLs
Perfect! No underscores detected in your URLs.
In-page links
We found a total of 14 links including 0 link(s) to files
| Anchor | Type | Juice |
|---|---|---|
| Debugger | Internal | Passing Juice |
| Introduction | Internal | Passing Juice |
| Libraries | Internal | Passing Juice |
| Ask | External | Passing Juice |
| RFC 7519 | External | Passing Juice |
| Share feedback | External | Passing Juice |
| Report issue | External | Passing Juice |
| Passkeys Playground | External | Passing Juice |
| WebAuthn Playground | External | Passing Juice |
| OIDC Playground | External | Passing Juice |
| SAML Tool | External | Passing Juice |
| Privacy Policy | External | Passing Juice |
| Security | External | Passing Juice |
| this link | External | Passing Juice |
SEO Keywords
Keywords Cloud
jwt get claims copy json web debugger tokens libraries table
Keywords Consistency
| Keyword | Content | Title | Keywords | Description | Headings |
|---|---|---|---|---|---|
| jwt | 22 |  |
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| json | 12 | |
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| web | 9 | |
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| tokens | 6 | |
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| get | 6 | |
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Usability
Url
Domain : jwt.io
Length : 6
Favicon
Great, your website has a favicon.
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
Great no email address has been found in plain text!
Deprecated HTML
Great! We haven't found deprecated HTML tags in your HTML.
Speed Tips
|
Excellent, your website doesn't use nested tables. |
|
Too bad, your website is using inline styles. |
|
Too bad, your website has too many CSS files (more than 4). |
|
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
|
Apple Icon |
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Meta Viewport Tag |
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Flash content |
Optimization
XML Sitemap
Great, your website has an XML sitemap.
| https://jwt.io/sitemap.xml |
Robots.txt
https://jwt.io/robots.txt
Great, your website has a robots.txt file.
Analytics
Missing
We didn't detect an analytics tool installed on this website.
Web analytics let you measure visitor activity on your website. You should have at least one analytics tool installed, but It can also be good to install a second in order to cross-check the data.
PageSpeed Insights
Device
Categories
Free SEO Testing Tool
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