Website review crystal-lang.org
The Crystal Programming Language
Generated on March 06 2026 23:16 PM
Old data? UPDATE !
The score is 57/100
SEO Content
Title
The Crystal Programming Language
Length : 32
Perfect, your title contains between 10 and 70 characters.
Description
Crystal is a general-purpose, object-oriented programming language. With syntax inspired by Ruby, it’s a compiled language with static type-checking. Types are resolved by an advanced type inference algorithm.
Length : 209
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Keywords
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Og Meta Properties
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| Property | Content |
|---|---|
| title | Crystal |
| locale | en_US |
| description | Crystal is a general-purpose, object-oriented programming language. With syntax inspired by Ruby, it’s a compiled language with static type-checking. Types are resolved by an advanced type inference algorithm. |
| url | https://crystal-lang.org/ |
| site_name | The Crystal Programming Language |
| type | website |
| image | /assets/banner.webp |
Headings
| H1 | H2 | H3 | H4 | H5 | H6 |
| 1 | 4 | 10 | 0 | 0 | 0 |
- [H1] Crystal
- [H2] Examples
- [H2] News
- [H2] Top Sponsors
- [H2] Success stories
- [H3]
- [H3] Batteries included
- [H3] Type system
- [H3] Flow typing
- [H3] Concurrency Model
- [H3] C-bindings
- [H3] Macros
- [H3] Dependencies
- [H3] Help
- [H3] News feeds
Images
We found 13 images on this web page.
12 alt attributes are empty or missing. Add alternative text so that search engines can better understand the content of your images.
Text/HTML Ratio
Ratio : 21%
Good, this page's ratio of text to HTML code is higher than 15, but lower than 25 percent.
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
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In-page links
We found a total of 68 links including 1 link(s) to files
| Anchor | Type | Juice |
|---|---|---|
| Blog | Internal | Passing Juice |
| Install | Internal | Passing Juice |
| Sponsors | Internal | Passing Juice |
| Community | Internal | Passing Juice |
| Docs | Internal | Passing Juice |
| Intro | Internal | Passing Juice |
| Rich stdlib | Internal | Passing Juice |
| Types | Internal | Passing Juice |
| Flow typing | Internal | Passing Juice |
| Concurrency | Internal | Passing Juice |
| C-bindings | Internal | Passing Juice |
| Macros | Internal | Passing Juice |
| Shards | Internal | Passing Juice |
| Language specification | Internal | Passing Juice |
| Check the API docs | Internal | Passing Juice |
| More about the type system | Internal | Passing Juice |
| CSP | External | Passing Juice |
| Read more about concurrency | Internal | Passing Juice |
| Learn how to bind to C libraries | Internal | Passing Juice |
| Read more about Macros | Internal | Passing Juice |
| Read more about Shards | Internal | Passing Juice |
| Crystal talk at FOSDEM 2026 | Internal | Passing Juice |
| Community | Internal | Passing Juice |
| #events | Internal | Passing Juice |
| #talk | Internal | Passing Juice |
| #community | Internal | Passing Juice |
| #foss | Internal | Passing Juice |
| #fosdem | Internal | Passing Juice |
| Wind of change (or maybe not) | Internal | Passing Juice |
| #people | Internal | Passing Juice |
| #team | Internal | Passing Juice |
| Crystal Compass | Internal | Passing Juice |
| #Crystal Compass | Internal | Passing Juice |
| #ecosystem | Internal | Passing Juice |
| #Manas.Tech | Internal | Passing Juice |
| Margret Riegert joins the Core Team | Internal | Passing Juice |
| Project | Internal | Passing Juice |
| #core-team | Internal | Passing Juice |
| nobodywasishere | External | Passing Juice |
| Crystal Core Team | Internal | Passing Juice |
| Feed | Internal | Passing Juice |
| Release notes | Internal | Passing Juice |
| LavinMQ: Understanding code to get the best performance | Internal | Passing Juice |
| Automating smart buildings with Crystal | Internal | Passing Juice |
| More success stories | Internal | Passing Juice |
| Used in production | Internal | Passing Juice |
| Crystal Compass | External | Passing Juice |
| Edit on GitHub | External | Passing Juice |
| file an issue | External | Passing Juice |
| Home | Internal | Passing Juice |
| Install | Internal | Passing Juice |
| Sitemap | Internal | Passing Juice |
| Documentation | Internal | Passing Juice |
| Getting Started | Internal | Passing Juice |
| Tutorials | Internal | Passing Juice |
| API Docs | Internal | Passing Juice |
| Specification | Internal | Passing Juice |
| Guides | Internal | Passing Juice |
| Media | Internal | Passing Juice |
| Community | Internal | Passing Juice |
| Team | Internal | Passing Juice |
| Events | Internal | Passing Juice |
| Governance | Internal | Passing Juice |
| web | External | Passing Juice |
| logs | Internal | Passing Juice |
| web | External | Passing Juice |
| newsletter | Internal | Passing Juice |
| Apache License, Version 2.0 | External | Passing Juice |
SEO Keywords
Keywords Cloud
puts language type crystal version name community more team end
Keywords Consistency
| Keyword | Content | Title | Keywords | Description | Headings |
|---|---|---|---|---|---|
| crystal | 22 |  |
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| end | 13 | |
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| language | 9 | |
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| name | 8 | |
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| more | 6 | |
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Usability
Url
Domain : crystal-lang.org
Length : 16
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
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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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Perfect, your website has few JavaScript files. |
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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
Missing
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Robots.txt
https://crystal-lang.org/robots.txt
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Analytics
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Google Analytics |
PageSpeed Insights
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