Available Reports
Last Update
April, 2024
Security Profile
- Live site
- Secure connection (HTTPS)
- Certificate valid
- No outdated techologies detected
butterfly.js.org
website information and technology stack| Web technologies detected on this domain | 31 technologies |
| Web technologies detected across all js.org subdomains | 681 technologies |
| Advertisers detected on this domain | 1 technology |
| Website rank | 910,865 |
| Website Location |  United States |
| Language | Chinese (中文) |
| Last technology update | April, 2024 |
| Total js.org subdomain count | 1007 subdomains |
| Top ranking subdomain | |
| IP Address | 76.76.21.142 |
| IP Lookup | 5,885 websites share 76.76.21.142 IP address. |
| Autonomous System Number (ASN) | AS16509 (AMAZON-02) |
| Total linking domains | 42 domains |
| Total linking IP | 27 IPs |
| Certificate Issuer | Let's Encrypt |
| Certificate Expiration Date | June, 2024 (Valid ) |
Technology Stack
List of 10 detected technologies used on the website (out of 31 total).| Technology | Technology Type | Version | First detected | |
|---|---|---|---|---|
 Amazon Hosting | Web Hosting | December, 2023 | ||
 Baidu Site Verification | Domain Verification | December, 2023 | ||
 Bing Domain Verification | Domain Verification | December, 2023 | ||
| | JavaScript Libraries | 2.3 | December, 2023 | |
| | Miscellaneous | 1.1.3 | January, 2024 | |
 Description Meta | Document Standards | December, 2023 | ||
| | JavaScript Libraries | 4.11.1 | March, 2024 | |
| | JavaScript Libraries | 5.0.33 | March, 2024 | |
 Font Awesome | Font Scripts | 6.5.1 | April, 2024 | |
| | Miscellaneous | December, 2023 |
Change History
List of 6 detected changes in the website technology stack within the last 3 months (out of 7 total).| Technology | Technology Type | Version | Change | Date |
|---|---|---|---|---|
| Font Awesome | Font Scripts | 6.5.1 | Upgrade from 'unknown' to 6.5.1 | Apr, 2024 |
| JavaScript Libraries | 4.11.1 | Upgrade from 4.11 to 4.11.1 | Mar, 2024 | |
| JavaScript Libraries | 5.0.33 | Upgrade from 5.0.32 to 5.0.33 | Mar, 2024 | |
| Font Awesome | Font Scripts | Upgrade from 6.5.1 to 'unknown' | Mar, 2024 | |
| UI Frameworks | 4.13 | Upgrade from 4.12 to 4.13 | Mar, 2024 | |
| mermaid | Charting | 10.8 | Upgrade from 10.6.1 to 10.8 | Mar, 2024 |
Advertisers
List of detected advertisers used on the website.| Technology | Technology Type | Version | First detected | |
|---|---|---|---|---|
| | Ads.txt | December, 2023 |
Uncommon response headers
List of uncommon response headers that were used by the website.| Header | Value |
|---|---|
| Content-Disposition | inline; filename="更新日誌" |
| Refresh | 0;url=https://butterfly.js.org/ |
| Server | Vercel |
| X-Vercel-Cache | HIT |
| X-Vercel-Id | sfo1::zmdcv-1712303281823-b247e57d608f |