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 157th among the JavaScript libraries we track.
It has 0.2% of the JavaScript library market share and is detected on 0.1% of all websites.
- 🏠 Website
- </> Source code
💸 Pricing
StyleX is available for free.
📊 Rankings and Market Share
- JavaScript Libraries
- Rank: 157
- Market share: 0.2%
🏆 StyleX Awards
- ⬆️ 79th most popular in Hungary in the JavaScript Libraries category.
- ⬆️ 82nd most popular in the Czech Republic in the JavaScript Libraries category.
- ⬆️ 89th most popular in Poland in the JavaScript Libraries category.
- ⬆️ 100th most popular in Vietnam in the JavaScript Libraries category.
- ⬆️ 105th most popular in Romania in the JavaScript Libraries category.
- ⬆️ 108th most popular in Denmark in the JavaScript Libraries category.
- ⬆️ 109th most popular in Sweden in the JavaScript Libraries category.
- ⬆️ 116th most popular in Belgium in the JavaScript Libraries category.
- ⬆️ 121st most popular in Austria in the JavaScript Libraries category.
- ⬆️ 122nd most popular in France in the JavaScript Libraries category.
⚡ Sites Built With StyleX
We have data on 4,289 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 | #26 | United States | English | |
| 4 | #56 | American English | ||
| 5 |  fastly.com |
#94 | United States | English |
| 6 | meta.com |
#203 | United States | English |
| 7 |  threads.com |
#386 | United States | English |
| 8 | m.facebook.com |
United States | English | |
| 9 | #1,798 | English | ||
| 10 | web.facebook.com |
United States | English | |
| 11 | #2,659 | Israel | English | |
| 12 | #3,496 | Finland | Finnish | |
| 13 | l.facebook.com |
United States | English | |
| 14 | #6,919 | Israel | Hebrew | |
| 15 | #11,740 | Israel | Hebrew | |
| 16 |  faq.whatsapp.com |
United States | English | |
| 17 | #19,094 | United States | American English | |
| 18 | #21,132 | Sweden | Swedish | |
| 19 | #22,975 | Iceland | Icelandic | |
| 20 | #23,539 | Australia | 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 France.
- United States 16.9%
- Germany 7.3%
- France 6.5%
- Poland 6.1%
- United Kingdom 5.1%
- Italy 4.2%
- Czech Republic 3.3%
- Canada 3.1%
- Hungary 2.4%
- Other 45.1%
Most StyleX users speak English, French, or German.
- English 40.1%
- French 8.5%
- German 8.1%
- Polish 5.6%
- Spanish 4.4%
- Italian 3.6%
- Czech 3%
- Dutch 2.6%
- Hungarian 2.3%
- Other 21.8%
The StyleX JavaScript library is especially popular on .com, .org, and .de top-level domains.
- .com 26.8%
- .org 11.1%
- .de 5.5%
- .pl 4.4%
- .fr 3.5%
- .cz 2.9%
- .it 2.6%
- .co.uk 2.1%
- .net 1.8%
- Other 39.3%
The primary market segments for websites utilizing StyleX include marketing and merchandising, business, and education and reference.
- Marketing/Merchandising 11.2%
- Business 10.9%
- Education/Reference 8.4%
- Blogs/Wiki 7.9%
- Non-Profit/Advocacy/NGO 7%
- Travel 6.7%
- Entertainment 6.4%
- Online Shopping 6%
- Public Information 4.8%
- Other 30.7%
🕵️ Similar Technologies
These are some of the best StyleX alternatives.
🆚 Compare Alternatives
Compare StyleX to…
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💬 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 theverge.com.
Is StyleX used on government websites?
In total, we found StyleX on 25 government sites in the United States.
Do academic institutions use StyleX?
Yes. In total, we know of 11 academic websites in the United States that use StyleX.
How does StyleX stack up against its competitors?
StyleX is a moderately popular JavaScript library, ranking ahead of 155 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 3,815,889 websites.
- Statistics were last calculated on .
- For more details, see our methodology and disclaimer.