StyleX
Meta, Menlo Park, California, United StatesStyleX is an open-source styling system and 
CSS-in-JS library developed by Meta for building and maintaining large-scale web applications.
It compiles styles to static, collision-free atomic CSS rules at build time, supports type-safe style definitions, media queries, pseudo-classes, theming through shared variables, and is designed to eliminate runtime style injection overhead.
According to our data, StyleX ranks 183th among the JavaScript libraries we track.
It has 0.1% of the JavaScript library market share and is detected on 0.07% of all websites.
- 🏠 Website
- </> Source code
💸 Pricing
StyleX is available for free.
📊 Rankings and Market Share
- JavaScript Libraries
- Rank: 183
- Market share: 0.1%
🏆 StyleX Awards
- ⬆️ 100th most popular in Poland in the JavaScript Libraries category.
- ⬆️ 101st most popular in the Czech Republic in the JavaScript Libraries category.
- ⬆️ 111st most popular in Lithuania in the JavaScript Libraries category.
- ⬆️ 112nd most popular in Hungary in the JavaScript Libraries category.
- ⬆️ 115th most popular in Malaysia in the JavaScript Libraries category.
- ⬆️ 121st most popular in Thailand in the JavaScript Libraries category.
- ⬆️ 123rd most popular in Sweden in the JavaScript Libraries category.
- ⬆️ 125th most popular in Vietnam in the JavaScript Libraries category.
- ⬆️ 132nd most popular in Romania in the JavaScript Libraries category.
- ⬆️ 136th most popular in Finland in the JavaScript Libraries category.
⚡ Sites Built With StyleX
We have data on 2,539 websites that use the StyleX JavaScript library. Here is a list of some of the top ranked ones.
The highest rated site using StyleX is 
facebook.com.
| # | Website | Rank | Country | Language |
|---|---|---|---|---|
| 1 | facebook.com |
#2 | United States | English |
| 2 |  instagram.com |
#5 | United States | English |
| 3 |  fastly.com |
#94 | United States | English |
| 4 | meta.com |
#203 | United States | English |
| 5 |  threads.com |
#386 | United States | English |
| 6 | m.facebook.com |
United States | English | |
| 7 | #1,798 | English | ||
| 8 | web.facebook.com |
United States | English | |
| 9 | #2,659 | Israel | English | |
| 10 | #3,496 | Finland | Finnish | |
| 11 | #6,919 | Israel | Hebrew | |
| 12 | #11,740 | Israel | Hebrew | |
| 13 | #19,094 | American English | ||
| 14 | #21,132 | Sweden | Swedish | |
| 15 | #22,975 | Iceland | Icelandic | |
| 16 | #23,720 | United Kingdom | British English | |
| 17 | #24,609 | United States | English | |
| 18 | #28,487 | United States | English | |
| 19 | #30,574 | Argentina | European Spanish | |
| 20 | #35,455 | India | English |
📈 Usage Statistics
Most of the sites that use StyleX:
- are located in the United States
- have content in English
- use the .com domain extension
- fall into the Marketing/Merchandising category.
Most of the sites using StyleX are from the United States, Germany, and Poland.
- United States 15.8%
- Germany 8.3%
- Poland 6.3%
- France 6.2%
- United Kingdom 5.4%
- Italy 4%
- Czech Republic 3.3%
- Canada 2.9%
- Netherlands 2.7%
- Other 45.1%
Most StyleX users speak English, German, or French.
- English 38.9%
- German 9%
- French 7.7%
- Polish 5.8%
- Spanish 5.5%
- Italian 3.4%
- Czech 3%
- Dutch 2.7%
- Hungarian 1.8%
- Other 22.2%
The StyleX JavaScript library is especially popular on .com, .org, and .de top-level domains.
- .com 25.6%
- .org 10.8%
- .de 6%
- .pl 4.6%
- .cz 2.9%
- .fr 2.8%
- .it 2.6%
- .net 2%
- .co.uk 1.9%
- Other 40.8%
The primary market segments for websites utilizing StyleX include marketing and merchandising, blogs and wiki, and business.
- Marketing/Merchandising 11.7%
- Blogs/Wiki 9.6%
- Business 8.5%
- Education/Reference 8.3%
- Entertainment 7%
- Non-Profit/Advocacy/NGO 6.5%
- Online Shopping 6.2%
- Travel 6.2%
- Public Information 6%
- Other 30%
🕵️ Similar Technologies
These are some of the best StyleX alternatives.
🆚 Compare Alternatives
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Polyfill💬 Frequently Asked Questions
What is the company behind StyleX?
StyleX is owned by Meta Platforms, Inc., headquartered in Menlo Park, California, United States.
Can I use StyleX for free?
Yes, it is a free JavaScript library.
It is also open source, and its code is available on 
GitHub.
Which country uses StyleX the most?
The majority of StyleX users are from the United States.
Who uses StyleX?
According to our data, StyleX is used on thousands of sites, including facebook.com, instagram.com, and fastly.com.
Is StyleX used on government websites?
In total, we found StyleX on 12 government sites in the United States.
Do academic institutions use StyleX?
Yes. The most prominent of these is unam.edu.ar. In total, we know of 10 academic websites in the United States that use StyleX.
How does StyleX compare to its competitors?
StyleX is a moderately popular JavaScript library, ranking ahead of 129 other JavaScript libraries we track.
What are the alternatives to StyleX?
Alternatives and possible competitors to StyleX may include 
Styled Components, 
Emotion, and 
Tailwind CSS.
👉 See Also
🗃️ About This Data
- We evaluate the popularity of technologies based on the number of websites where we detect their usage.
- Technologies without a detectable web footprint, and those we do not track, are not reflected in the calculated market share.
- This report is based on the analysis of 3,580,200 websites.
- Statistics were last calculated on .
- For more details, see our methodology and disclaimer.