Website review lean.io
LEAN Algorithmic Trading Engine - QuantConnect.com
Generated on February 19 2026 20:47 PM
Old data? UPDATE !
The score is 68/100
SEO Content
Title
LEAN Algorithmic Trading Engine - QuantConnect.com
Length : 50
Perfect, your title contains between 10 and 70 characters.
Description
QuantConnect is a multi-asset algorithmic trading platform chosen by more than 275,000 quants and engineers.
Length : 108
Great, your meta description contains between 70 and 160 characters.
Keywords
, algorithmic model creation platform, linked, algorithmic trading, strategy design
Good, your page contains meta keywords.
Og Meta Properties
Good, your page take advantage of Og Properties.
| Property | Content |
|---|---|
| description | LEAN Algorithmic Trading Engine - QuantConnect.com |
| image | https://cdn.quantconnect.com/i/tu/lean-io-meta.png |
| image:width | 1200 |
| image:height | 630 |
| url | https://www.lean.io/ |
| title | LEAN Algorithmic Trading Engine - QuantConnect.com |
| type | website |
| site_name | LEAN Algorithmic Trading Engine - QuantConnect.com |
Headings
| H1 | H2 | H3 | H4 | H5 | H6 |
| 1 | 9 | 32 | 0 | 0 | 0 |
- [H1] Radically Open-Source Algorithmic Trading Engine
- [H2] Core Feature Set
- [H2] Rich, Extensible Modular Architecture
- [H2] Global Open-Source Community
- [H2] Powered by LEAN
- [H2] The Algorithm Framework
- [H2] Truly Open Engine
- [H2] Powerful Data Integrations and Toolbox
- [H2] How Does LEAN Work?
- [H2] Get Started with LEAN Today Open GitHub
- [H3] Survivorship Bias Free
- [H3] Universe Selection
- [H3] Portfolio Management
- [H3] Scheduled Events
- [H3] Import Custom Data
- [H3] Powerful Modeling
- [H3] Slippage and Impact
- [H3] Technical Indicators
- [H3] Brokerage Models
- [H3] Fee Models
- [H3] Cash Accounts, Settlement, and Margin Models
- [H3] Load Proprietary Datasets
- [H3] 180+ Engineers
- [H3] 100+ Code Samples
- [H3] 3,300 Forks
- [H3] 375,000 Live Algorithms
- [H3] 1,200 Algorithms
- [H3] $45B/mo Notional Volume
- [H3] $45B/mo
- [H3] 300+
- [H3] Universe Selection
- [H3] Alpha Creation
- [H3] Portfolio Construction
- [H3] Execution Models
- [H3] Risk Management
- [H3] Cross Asset
- [H3] Cross Platform
- [H3] Cross Language
- [H3] VSCode Integration
- [H3] Jupyter Lab Integration
- [H3] Live Stream Data Sources
- [H3] Historical Data Repository
Images
We found 35 images on this web page.
30 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 : 34%
Ideal! This page's ratio of text to HTML code is between 25 and 70 percent.
Flash
Perfect, no Flash content has been detected on this page.
Iframe
Too Bad, you have Iframes on the web pages, this mean that content in an Iframe cannot be indexed.
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 24 links including 0 link(s) to files
| Anchor | Type | Juice |
|---|---|---|
| - | Internal | Passing Juice |
| CLI | Internal | Passing Juice |
| Terminal Link | Internal | Passing Juice |
| Blog | Internal | Passing Juice |
| Research | Internal | Passing Juice |
| Plugins | Internal | Passing Juice |
| DOWNLOAD LEAN | External | Passing Juice |
| DOCUMENTATION | Internal | Passing Juice |
| Download Now | Internal | Passing Juice |
| drumbeat | External | Passing Juice |
| no vendor lock-in | External | Passing Juice |
| Algorithm Lab | Internal | Passing Juice |
| Documentation | Internal | Passing Juice |
| Build vs. Buy | Internal | Passing Juice |
| Tutorials | Internal | Passing Juice |
| Data Library | Internal | Passing Juice |
| Learning Articles | Internal | Passing Juice |
| System Status | External | Passing Juice |
| About | Internal | Passing Juice |
| Announcements | Internal | Passing Juice |
| Contact | Internal | Passing Juice |
| Pricing | Internal | Passing Juice |
| Terms & Conditions | Internal | Passing Juice |
| Privacy Policy | Internal | Passing Juice |
SEO Keywords
Keywords Cloud
trading open-source download data live portfolio lean community models assets
Keywords Consistency
| Keyword | Content | Title | Keywords | Description | Headings |
|---|---|---|---|---|---|
| lean | 29 |  |
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| models | 16 | |
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| data | 14 | |
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| trading | 9 | |
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| assets | 8 | |
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Usability
Url
Domain : lean.io
Length : 7
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. |
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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
|
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://www.lean.io/sitemap.xml |
Robots.txt
https://lean.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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