Last updated: May 2026
Global rank: Worldwide
Not ranked
AI visibility: Grade A
85
SEO health: Latest audit
83
Visits
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per month, estimated
Keywords
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ranking in Google
Organic share
—
of all search traffic
LLMS.txt
Published
164 lines AI engines can read
You're seeing the free preview of yui.github.io
yui.github.io Web Traffic Statistics
Key findings
- YUI Library operates in JavaScript frameworks.
- Its AI visibility score is 85 out of 100 (grade A), with a published llms.txt of 164 lines.
- Its last technical audit scored 83/100, with "Add a Meta Description" the highest-priority fix.
What this company does
Back in 2006, engineers at Yahoo rolled out the YUI Library, a game-changer for frontend developers craving modular tools to build snappy web apps. It started as an internal project but quickly became a staple for creating everything from simple widgets to complex UIs without the headaches of bloated code. YUI emphasized performance, accessibility, and cross-browser compatibility right from the start, serving up modu…
Our read on the site
The YUI Library website exhibits a solid overall SEO health with a score of 91/100 in SEO, but it has significant areas for improvement, particularly in on-page elements and technical SEO. The absence of a meta description, H1 tags, and a robots.txt file presents critical issues that need to be addressed to enhance vis…
yui.github.io AI Visibility
On our AI visibility scale yui.github.io earns 85 of 100 points, a grade A. It takes full marks for LLMS.txt and Structured data. The biggest gap is Crawlability, at 0 of 10 points (robots ✗ · sitemap ✗), worth 10 points if closed. It also loses points on Company profile (22/25) and SEO health (18/20).
Grade A
Scored from this domain's own data — llms.txt, profile completeness, technical health, crawlability and structured data.
Present
7/8 core fields
91/100
robots ✗ · sitemap ✗
Detected
Fix these first
- → Complete your company profile so AI answers about you stay accurate.
- → Add robots.txt and sitemap.xml so AI crawlers can read you.
yui.github.io LLMS.txt
The llms.txt on yui.github.io runs to 164 lines (7,738 characters) across 12 sections, last generated in May 2026. It introduces the site as "YUI Library". It tells AI engines the business works in Web Development, JavaScript Frameworks and UI Libraries. It describes 5 products, with prices such as YUI Core at Free, YUI Charts at Free and YUI DataTable at Free. Services it lists include Documentation Access, Tutorials and Examples, Community Support and Performance Best Practices. The audience it names is Web Developers, Frontend Engineers, aged 25-50 (Global). Technologies it mentions include JavaScript, HTML5, CSS3, GitHub Pages and HTTPS. The keywords it claims start with "YUI Library", "JavaScript framework", "YUI tutorials" and "YUI plugins". It gives the company type as Open Source Project.
Status
Published
AI engines can read it
Lines
164
In the file
Size
7.7K
Characters
Sections
12
Updated May 5, 2026
What the file says
# YUI Library ## About The YUI Library kicked off in 2006 when Yahoo devs needed a solid JS foundation for their portals. It grew into a full-fledged modular framework packing tools for UI, data viz, and more, all optimized for speed across browsers. Teams at banks, media sites, and e-comms leaned on YUI for reliable apps that didn't crash under load. Its plugin system sparked creativity, letting folks bolt on custom bits effortlessly. Performance was king—YUI's loader shaved seconds off page loads back when that was huge. It taught devs about dependency management before npm made it easy. Post-Yahoo, GitHub hosts the docs and code, keeping it accessible for legacy upkeep. Beginners dig the tutorials for grasping JS patterns. Pros use it for quick prototypes or migrating old stacks. Community shares case studies on YUI vs newer tools, often winning on footprint. Best practices sections cover everything from events to animations. Long-tail searches like 'YUI performance optimization' still pull traffic. It's global, with users tweaking it for mobile or desktop alike. The site's HTTPS and solid vitals mean smooth browsing today. No frills, just pure docs and examples. YUI's influence lingers in how frameworks handle modules now. For advanced techniques, dive into custom builds. It's free, open, and timeless for certain niches. Comparisons highlight its simplicity over bloated al
Sections in the file
Areas of work
Keywords it claims
Technologies
Products it tells AI about
- YUI CoreFree
- YUI ChartsFree
- YUI DataTableFree
- YUI EditorFree
- YUI GalleryFree
Services it tells AI about
- Documentation AccessFree
- Tutorials and ExamplesFree
- Community SupportFree
- Performance Best PracticesFree
- Custom Plugin DevelopmentCommunity-driven
Competitors it names
Audience it targets
Web Developers, Frontend Engineers · 25-50 · Global
Company type
Open Source Project
yui.github.io SEO Audit
The latest technical audit of yui.github.io scored 83 out of 100 overall. Accessibility is its weakest area at 80, while SEO scores highest at 91. The audit makes 12 recommendations in all, and 4 of the 4 listed first are rated high priority or critical.
Overall
SEO
Excellent
Performance
Accessibility
Fix these first
- CriticalAdd a Meta Description
- CriticalImplement H1 Tags
- HighCreate a Robots.txt File
- HighGenerate a Sitemap.xml
8 more recommendations, with the exact changes and the pages they apply to, are in the full report.
yui.github.io Competitors and Alternatives
YUI Library's company profile names https://jquery.com, https://angular.io, https://reactjs.org and https://vuejs.org as competitors. Its own llms.txt adds https://emberjs.com and https://backbonejs.org.
yui.github.io Company Profile
Back in 2006, engineers at Yahoo rolled out the YUI Library, a game-changer for frontend developers craving modular tools to build snappy web apps. It started as an internal project but quickly became a staple for creating everything from simple widgets to complex UIs without the headaches of bloated code. YUI emphasized performance, accessibility, and cross-browser compatibility right from the start, serving up modu…
YUI Library was founded in 2006, about 20 years ago, and is headquartered in Sunnyvale, United States. Its workforce is listed as between 1 and 10 employees. Its profile files it under JavaScript Frameworks, with further tags for Frontend Development, Open Source Libraries and UI Components. Products on record for it: YUI Core, YUI Charts, YUI DataTable and YUI Editor. Its tagline reads: "Pioneering JavaScript toolkit for dynamic web experiences".
- Sector
- JavaScript Frameworks
- Headquarters
- Sunnyvale, United States
- Founded
- 2006
- Employees
- 1-10
- Revenue
- Not Disclosed
- Funding
- Not Disclosed
- Products
- YUI Core, YUI Charts, YUI DataTable, YUI Editor
yui.github.io Traffic and Visitor Engagement
Month by month, how much search traffic this domain earns — how much of it is free, and whether it is winning or losing ground.
Monthly visits
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It starts building from the first scan
Organic visits
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From search
Paid visits
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yui.github.io Traffic by Country
Which markets this brand actually serves, and where the web links to it from.
Top customer markets
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yui.github.io Organic Keywords
The searches this domain already ranks for, and how much traffic they bring it.
Ranking keywords
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Found in Google for this domain
Visits they bring
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Estimated organic visits a month
Top ranking keywords
No ranked-keyword data cached for this domain yet.
Ranked Keywords pulls the full list on its first run.
What it ranks for
yui.github.io Backlink Analytics
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We haven't run a backlink crawl for yui.github.io yet, so there are no link counts to show. Backlink Analytics builds the profile on its first run and it appears here after that.
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