URL Scan Results for the page [](https://estudosonlinebr.online/lander)

Document

Links

The outgoing links identified from the page.

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
Security
HSTS https://www.rfc-editor.org/rfc/rfc6797#section-6.1	HTTP Strict Transport Security (HSTS) informs browsers that the site should only be accessed using HTTPS.	Type: headers Name: strict-transport-security Regex: (?:)
Web frameworks
Express https://expressjs.com	Express is a web application framework for Node.js, released as free and open-source software under the MIT License. It is designed for building web applications and APIs.	Type: headers Name: x-powered-by Regex: ^Express(?:$|,)
Web servers
Nginx https://nginx.org/en	Nginx is a web server that can also be used as a reverse proxy, load balancer, mail proxy and HTTP cache.	Dependent on OpenResty
OpenResty https://openresty.org	OpenResty is a web platform based on nginx which can run Lua scripts using its LuaJIT engine.	Type: headers Name: server Regex: openresty(?:\/([\d.]{1,250}))?
Express https://expressjs.com	Express is a web application framework for Node.js, released as free and open-source software under the MIT License. It is designed for building web applications and APIs.	Type: headers Name: x-powered-by Regex: ^Express(?:$|,)
Apache Traffic Server https://trafficserver.apache.org/	Apache Traffic Server is an open-source caching and proxying server that serves as an HTTP/1.1 and HTTP/2 reverse proxy with caching capabilities, load balancing, request routing, SSL termination, and support for advanced HTTP features.	Type: headers Name: server Regex: ATS\/?([\d.]{1,250})?
Programming languages
Node.js https://nodejs.org	Node.js is an open-source, cross-platform, JavaScript runtime environment that executes JavaScript code outside a web browser.	Dependent on Express
Reverse proxies
Envoy https://www.envoyproxy.io/	Envoy is an open-source edge and service proxy, designed for cloud-native applications.	Type: headers Name: x-envoy-upstream-service-time Regex: (?:)
Nginx https://nginx.org/en	Nginx is a web server that can also be used as a reverse proxy, load balancer, mail proxy and HTTP cache.	Dependent on OpenResty
UI frameworks
Bootstrap https://getbootstrap.com	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: scriptSrc Regex: bootstrap(?:[^>]{0,250}?([0-9a-fA-F]{7,40}|[\d]{1,250}(?:.[\d]{1,250}(?:.[\d]{1,250})?)?)|)[^>]{0,250}?(?:\.min)?\.js
Reviews
Trustpilot https://business.trustpilot.com	Trustpilot is a Danish consumer review website which provide embed stand-alone applications in your website to show your most recent reviews, TrustScore, and star ratings.	Type: scriptSrc Regex: \.trustpilot\.com

Performance

The speed and efficiency of the scanned URL loads and displays its content.

dns

1 ms

Good

tcp

1 ms

Good

requestTime

2 ms

Good

dom

383 ms

Poor

DNS Record

A DNS record maps a domain name to an IP address or other resource information.

SSL Certificate

An SSL certificate is a digital certificate that verifies the authenticity and encrypts the communication between a website and its visitors.

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.

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.

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.