Summary
A Concise Overview of the scan result of url https://www.bootstrapcdn.com/
- Document
- HTML
- 8
- StyleSheets
- 3
- Scripts
- 8
- Font
- 1
- Images
- 4
- Links
- 20
- JavaScript Variables
- 20
- Console log messages
- 0
- Network
- Requests
- 26
- Bytes Transferred
- 418.4KB
- Bytes Total
- 656.05KB
- DNS Record
- CNAME Record
- 4
- A Record
- 2
- Technology
- UI frameworks
- 1
- PaaS
- 1
- Widgets
- 1
- CDN
- 2
- JavaScript libraries
- 1
- Security
- 1
- Miscellaneous
- 1
Document
Links
The outgoing links identified from the page.
Link | Text |
---|---|
https://github.com/jsdelivr/bootstrapcdn | GitHub Project |
https://fontawesome.com/ | Font Awesome |
https://bootswatch.com/ | Bootswatch |
https://icons.getbootstrap.com/ | Bootstrap Icons |
https://github.com/twbs/bootlint | Bootlint |
https://www.jsdelivr.com | CDN |
https://getbootstrap.com/ | Bootstrap |
https://twitter.com/jsdelivr | |
https://www.w3.org/html/ | HTML |
https://pugjs.org/ | Pug |
http://haml.info/ | Haml |
https://www.jsdelivr.com/network/infographic | LEARN MORE |
https://www.jsdelivr.com/ | jsDelivr |
https://globalping.io/ | Globalping network testing platform |
https://www.cloudflare.com/ | Cloudflare |
https://www.fastly.com/ | Fastly |
https://ns1.com/ | NS1 |
https://bunny.net/ | BunnyCDN |
https://dakulov.com/ | Dmitriy Akulov |
https://www.jsdelivr.com/terms/privacy-policy-jsdelivr-net | Privacy Policy |
JavaScript Variables
Global JavaScript variables are variables that are defined outside of any function or block scope in JavaScript.
Technology
The technologies identified are present on the scanned URL.
Name | Description | Detected patterns |
---|---|---|
Widgets | ||
Twitter | Twitter is a 'microblogging' system that allows you to send and receive short posts called tweets. | Type: scriptSrc Regex: \/\/platform\.twitter\.com\/widgets\.js |
Security | ||
HTTP Strict Transport Security (HSTS) informs browsers that the site should only be accessed using HTTPS. | Type: headers Name: strict-transport-security Regex: (?:) | |
Miscellaneous | ||
HTTP/3 | HTTP/3 is the third major version of the Hypertext Transfer Protocol used to exchange information on the World Wide Web. | Type: headers Name: alt-svc Regex: h3 |
CDN | ||
jsDelivr | JSDelivr is a free public CDN for open-source projects. It can serve web files directly from the npm registry and GitHub repositories without any configuration. | Type: scriptSrc Regex: cdn\.jsdelivr\.net |
Cloudflare | Cloudflare is a web-infrastructure and website-security company, providing content-delivery-network services, DDoS mitigation, Internet security, and distributed domain-name-server services. | Type: headers Name: cf-ray Regex: ^cloudflare$ |
JavaScript libraries | ||
jQuery | jQuery is a JavaScript library which is a free, open-source software designed to simplify HTML DOM tree traversal and manipulation, as well as event handling, CSS animation, and Ajax. | Type: scriptSrc Regex: jquery |
PaaS | ||
Render | Render is a cloud computing platform that provides a wide range of services, including web hosting, cloud computing, and application development. Render offers several hosting options, including static site hosting, web application hosting, and managed databases. | Type: headers Name: x-render-origin-server Regex: Render |
UI frameworks | ||
Bootstrap | Bootstrap is a free and open-source CSS framework directed at responsive, mobile-first front-end web development. It contains CSS and JavaScript-based design templates for typography, forms, buttons, navigation, and other interface components. | Type: html Regex: <link[^>]{0,250} href=[^>]{0,250}?bootstrap(?:[^>]{0,250}?([0-9a-fA-F]{7,40}|[\d]{1,250}(?:.[\d]{1,250}(?:.[\d]{1,250})?)?)|)[^>-]{0,250}?(?:\.min)?\.css |
Performance
The speed and efficiency of the scanned URL loads and displays its content.
- dns
- 1 msGood
- tcp
- 38 msGood
- requestTime
- 43 msGood
- dom
- 715 msPoor
DNS Record
A DNS record maps a domain name to an IP address or other resource information.
Type | Name | Content | DNSSEC |
---|---|---|---|
CNAME | www.bootstrapcdn.com | www-bootstrapcdn-com.onrender.com. | no |
CNAME | www-bootstrapcdn-com.onrender.com | www-bootstrapcdn-com.onrender.com.cdn.cloudflare.net. | no |
A | www-bootstrapcdn-com.onrender.com.cdn.cloudflare.net | 216.24.57.252 | no |
A | www-bootstrapcdn-com.onrender.com.cdn.cloudflare.net | 216.24.57.4 | no |
CNAME | www.bootstrapcdn.com | www-bootstrapcdn-com.onrender.com. | no |
CNAME | www-bootstrapcdn-com.onrender.com | www-bootstrapcdn-com.onrender.com.cdn.cloudflare.net. | no |
SSL Certificate
An SSL certificate is a digital certificate that verifies the authenticity and encrypts the communication between a website and its visitors.
Subject | Issue date | Expiry date | Valid |
---|---|---|---|
bootstrapcdn.com WE1 | 1/16/2025 | 4/16/2025 | 3 months |
www.bootstrapcdn.com E5 | 12/28/2024 | 3/28/2025 | 2 months 29 days |
upload.video.google.com WR2 | 1/20/2025 | 4/14/2025 | 2 months 23 days |
jsdelivr.net GlobalSign Atlas R3 DV TLS CA 2024 Q3 | 7/30/2024 | 8/31/2025 | 1 year 1 month 1 day |
github.com Sectigo ECC Domain Validation Secure Server CA | 3/7/2024 | 3/7/2025 | 1 year |
*.twimg.com DigiCert Global G2 TLS RSA SHA256 2020 CA1 | 6/24/2024 | 7/25/2025 | 1 year 1 month 1 day |
jsdelivr.com WE1 | 2/2/2025 | 5/3/2025 | 3 months |
*.gstatic.com WR2 | 1/20/2025 | 4/14/2025 | 2 months 23 days |
*.github.com Sectigo ECC Domain Validation Secure Server CA | 3/7/2024 | 3/7/2025 | 1 year |
syndication.twitter.com R11 | 1/9/2025 | 4/9/2025 | 2 months 29 days |
HTTP Headers
HTTP Header
An HTTP header is a component of an HTTP request or response that contains additional information about the message being sent or received.
Name | Value |
---|---|
alt-svc | h3=":443"; ma=86400 |
cache-control | public, max-age=300 |
cf-cache-status | DYNAMIC |
cf-ray | 90c453044f926675-MAD |
content-encoding | gzip |
content-security-policy | default-src 'self';base-uri 'self';form-action platform.twitter.com syndication.twitter.com;frame-ancestors 'none';script-src 'self' 'unsafe-inline' stackpath.bootstrapcdn.com code.jquery.com platform.twitter.com api.github.com https://cdn.jsdelivr.net https://datum.jsdelivr.com 'nonce-ZTFlMWQ4MTgtMWI0Ny00NWMxLWI2MjItOTNlNDVjYTYyNTU0';style-src 'self' 'unsafe-inline' stackpath.bootstrapcdn.com fonts.googleapis.com platform.twitter.com https://cdn.jsdelivr.net;img-src 'self' data: bootswatch.com syndication.twitter.com stats.g.doubleclick.net ad.doubleclick.net *.convertro.com *.c3tag.com *.2mdn.net launchbit.com www.launchbit.com https://cdn.jsdelivr.net;font-src 'self' stackpath.bootstrapcdn.com fonts.gstatic.com https://cdn.jsdelivr.net;frame-src 'self' img.shields.io platform.twitter.com syndication.twitter.com https://cdn.jsdelivr.net https://github.com/sponsors/jsdelivr/button;child-src 'self' img.shields.io platform.twitter.com syndication.twitter.com https://cdn.jsdelivr.net;connect-src syndication.twitter.com https://api.github.com/repos/jsdelivr/bootstrapcdn https://stats.g.doubleclick.net https://datum.jsdelivr.com/api/event;object-src img.shields.io;manifest-src 'self' |
content-type | text/html; charset=utf-8 |
date | Mon, 03 Feb 2025 18:01:06 GMT |
expect-ct | max-age=0 |
referrer-policy | strict-origin-when-cross-origin |
rndr-id | 94fe8471-3593-4cc0 |
server | cloudflare |
strict-transport-security | max-age=63072000; includeSubDomains; preload |
vary | Accept-Encoding |
x-content-type-options | nosniff |
x-download-options | noopen |
x-frame-options | DENY |
x-permitted-cross-domain-policies | none |
x-render-origin-server | Render |
x-xss-protection | 0 |
Content Security Policy
Content Security Policy (CSP) is a security mechanism that helps prevent cross-site scripting (XSS) and other code injection attacks by specifying which content sources are allowed to be loaded on a web page.
Name | Value |
---|---|
default-src | 'self';base-uri'self';form-actionplatform.twitter.comsyndication.twitter.com;frame-ancestors'none';script-src'self''unsafe-inline'stackpath.bootstrapcdn.comcode.jquery.complatform.twitter.comapi.github.comhttps://cdn.jsdelivr.nethttps://datum.jsdelivr.com'nonce-ZTFlMWQ4MTgtMWI0Ny00NWMxLWI2MjItOTNlNDVjYTYyNTU0';style-src'self''unsafe-inline'stackpath.bootstrapcdn.comfonts.googleapis.complatform.twitter.comhttps://cdn.jsdelivr.net;img-src'self'data:bootswatch.comsyndication.twitter.comstats.g.doubleclick.netad.doubleclick.net*.convertro.com*.c3tag.com*.2mdn.netlaunchbit.comwww.launchbit.comhttps://cdn.jsdelivr.net;font-src'self'stackpath.bootstrapcdn.comfonts.gstatic.comhttps://cdn.jsdelivr.net;frame-src'self'img.shields.ioplatform.twitter.comsyndication.twitter.comhttps://cdn.jsdelivr.nethttps://github.com/sponsors/jsdelivr/button;child-src'self'img.shields.ioplatform.twitter.comsyndication.twitter.comhttps://cdn.jsdelivr.net;connect-srcsyndication.twitter.comhttps://api.github.com/repos/jsdelivr/bootstrapcdnhttps://stats.g.doubleclick.nethttps://datum.jsdelivr.com/api/event;object-srcimg.shields.io;manifest-src'self |
Cookies
Cookies are small pieces of data stored on a user's web browser to track and remember information about their browsing activity on a website.
Name | Value | Domain/Path | Expires | Secure | HTTP Only |
---|