Free Facebook Proxy That Work

FAQ

What is Postern?

Postern is a free and open-source command-line tool that allows you to access the internet through a proxy server. It is written in Python and is available for Windows, macOS, and Linux systems.

Postern is designed to be simple and lightweight, and does not require any configuration. You can use it to access the internet through a proxy by simply specifying the proxy server and port, and then using Postern as a socks5 proxy for your internet connection.

Postern includes features such as:

Support for SOCKS5 and HTTP proxies
Automatic proxy rotation
Built-in support for popular public proxies
Ability to chain multiple proxy servers

Postern can be used to bypass internet censorship, improve performance, or anonymize your web browsing. It is often used in countries with internet censorship, or in corporate or educational settings where network access is restricted.

In summary, Postern is a free and open-source command-line tool that allows you to access the internet through a proxy server. It is available for Windows, macOS, and Linux systems, and includes features such as support for SOCKS5 and HTTP proxies, automatic proxy rotation, built-in support for popular public proxies, and the ability to chain multiple proxy servers. It can be used to bypass internet censorship, improve performance, or anonymize your web browsing.

What is Fetch API?

The Fetch API is a JavaScript API for fetching resources (including across the network). It's an improvement over the XMLHttpRequest API and provides an easier and more powerful way to make network requests in the browser. The Fetch API uses promises, which makes it easier to handle errors and allows you to chain multiple requests together.

In this example, the fetch() function sends a GET request to the specified API endpoint, and the returned response is then passed to response.json() to parse the JSON data. The data can then be processed in the next then() block. If there's an error with the fetch operation, the error is caught in the catch() block.

The Fetch API is supported in modern browsers, including Google Chrome, Mozilla Firefox, Apple Safari, and Microsoft Edge.

What is a price tracker?

A price tracker is a tool or software that tracks the prices of products or services over time, and alerts users when the price changes. This can be useful for online shopping, as it allows users to keep an eye on the prices of products they're interested in and make informed purchasing decisions.

Price trackers can be implemented in various ways, including browser extensions, standalone desktop applications, and web-based services. Some price trackers are designed to track the prices of specific products on specific websites, while others can monitor prices across a wide range of online retailers and marketplaces.

Price trackers typically work by using web scraping or other techniques to extract price data from websites, and then analyzing the data to detect changes. When the price of a tracked item changes, the user is usually notified via email or in-app notification. Some price trackers also provide price history graphs and other data visualizations to help users understand price trends and make informed decisions.

How to Pull Data From Any Website?

There are several ways to extract data from a website:

1. Web scraping: This is a technique used to extract data from websites using a web scraper or a web crawling tool. A web scraper sends HTTP requests to a website, receives HTML responses, and extracts the desired data from the HTML code. The data can be stored in a structured format, such as a CSV file or a database.
2. APIs: Some websites provide APIs that allow you to retrieve data directly from their servers. An API (Application Programming Interface) is a set of rules that dictate how two software programs should interact with each other. You can use an API to send a request to the website's server and receive data in a standardized format, such as JSON.
3. Downloading data: Some websites allow you to download data in a structured format, such as CSV or Excel. You can download the data directly from the website and then use programming tools to process it as needed.

Each of these methods has its own advantages and disadvantages, and the best method for pulling data from a website depends on the specific requirements of your project.

The difference between dedicated datacenter and shared residential proxies

Dedicated datacenter proxies and shared residential proxies are two different types of proxy services with distinct characteristics.

Dedicated datacenter proxies are server-based proxies that are owned and managed by data centers. They are typically faster and more stable than residential proxies, but also more easily detected as proxies. Dedicated datacenter proxies are often used for web scraping and data extraction, where speed and reliability are critical.

Shared residential proxies, on the other hand, are IP addresses provided by internet service providers to their customers. They are typically less expensive and less stable than dedicated datacenter proxies, but also more difficult to detect as proxies because they look like normal residential IP addresses. Shared residential proxies are often used for tasks that require a high level of anonymity, such as bypassing geo-restrictions, scraping websites, and carrying out SEO tasks.

The choice between dedicated datacenter and shared residential proxies will depend on the specific requirements of the task and the level of speed, reliability, and anonymity required.