Get test account for 60 minutes
Register an account and get a proxy for the test. You do not need to fill payment data. Support most of popular tasks: search engines, marketplaces, bulletin boards, online services, etc. tasksSimple tool for complete proxy management - purchase, renewal, IP list update, binding change, upload lists. With easy integration into all popular programming languages, PapaProxy API is a great choice for developers looking to optimize their systems.
Quick and easy integration.
Full control and management of proxies via API.
Extensive documentation for a quick start.
Compatible with any programming language that supports HTTP requests.
Ready to improve your product? Explore our API and start integrating today!
And 500+ more programming tools and languages
It is necessary to go to "Settings", select "WiFi", then specify the network for which you want to disable the proxy. After that, tap on "Proxy settings" and check "Off". This option is valid for iOS version 10 and higher.
Distributing scraping correctly involves implementing techniques to handle rate limiting, avoid overloading servers, and ensuring your scraping activities are respectful and compliant with the website's terms of service. If you're encountering 503 errors (Service Unavailable), it likely indicates that the server is overwhelmed or intentionally blocking excessive requests. Here are some strategies to address this issue:
Add Delays Between Requests:
puppeteer
(for headless browser scraping) or p-queue
to manage the rate of your requests.Randomize Delays:
Use Proxies:
Implement User Agents:
Respect robots.txt
:
robots.txt
file of the website to understand which parts of the site are off-limits for scraping.robots.txt
.Session Management:
Handle Captchas:
Error Handling:
Reduce Concurrent Requests:
p-queue
to control concurrency.Monitor and Adjust:
Remember, it's essential to respect the website's terms of service and not engage in aggressive scraping practices that could negatively impact the site. If you continue to encounter issues, consider reaching out to the website's administrators to seek permission or explore alternative data sources or APIs if available.
To organize multi-threaded scraping through a proxy in C#, you can use the HttpClient class along with tasks and threads. Additionally, you may use proxy rotation to avoid rate limiting and bans. Here's a basic example to get you started:
using System;
using System.Collections.Generic;
using System.Net.Http;
using System.Threading.Tasks;
class Program
{
static async Task Main()
{
// List of proxy URLs
List proxyList = new List
{
"http://proxy1.com:8080",
"http://proxy2.com:8080",
// Add more proxies as needed
};
// Create HttpClient instances with a different proxy for each thread
List httpClients = CreateHttpClients(proxyList);
// List of URLs to scrape
List urlsToScrape = new List
{
"https://example.com/page1",
"https://example.com/page2",
// Add more URLs as needed
};
// Create tasks for each URL
List tasks = new List();
foreach (string url in urlsToScrape)
{
tasks.Add(Task.Run(() => ScrapeUrl(url, httpClients)));
}
// Wait for all tasks to complete
await Task.WhenAll(tasks);
// Dispose of HttpClient instances
foreach (HttpClient client in httpClients)
{
client.Dispose();
}
}
static List CreateHttpClients(List proxies)
{
List clients = new List();
foreach (string proxy in proxies)
{
var httpClientHandler = new HttpClientHandler
{
Proxy = new WebProxy(proxy),
UseProxy = true,
};
clients.Add(new HttpClient(httpClientHandler));
}
return clients;
}
static async Task ScrapeUrl(string url, List httpClients)
{
// Select a random proxy for this request
var random = new Random();
var httpClient = httpClients[random.Next(httpClients.Count)];
try
{
// Make the request using the selected proxy
HttpResponseMessage response = await httpClient.GetAsync(url);
// Check if the request was successful
if (response.IsSuccessStatusCode)
{
string content = await response.Content.ReadAsStringAsync();
// Process the content as needed
Console.WriteLine($"Scraped {url}: {content.Length} characters");
}
else
{
Console.WriteLine($"Failed to scrape {url}. Status code: {response.StatusCode}");
}
}
catch (Exception ex)
{
Console.WriteLine($"Error scraping {url}: {ex.Message}");
}
}
}
In this example:
The CreateHttpClients function creates a list of HttpClient instances, each configured with a different proxy from the provided list.
The ScrapeUrl function performs the actual scraping for a given URL using a randomly selected proxy.
The Main method creates tasks for each URL to be scraped and waits for all tasks to complete.
Getting a resident proxy for free can be challenging, as many free proxies are often unreliable, slow, or may pose security risks. However, you can try the following methods to find free resident proxies:
1. Proxy lists: Search for reputable proxy lists that provide a collection of free proxies. Be cautious when choosing a list, as some may contain malicious or unreliable proxies.
2. Online forums and communities: Look for online forums or communities where people share and discuss free proxies. Be cautious when using free proxies from these sources, as they may not be reliable or secure.
3. Social media: Some users may share their free resident proxies on social media platforms. However, be cautious when using proxies from social media, as they may not be reliable or secure.
4. Web scraping tools: Use web scraping tools to extract proxy information from websites that list free proxies. Be cautious when using this method, as it may be against the terms of service of some websites.
Please note that using free proxies can expose you to various risks, so it's essential to be cautious and aware of the potential dangers. If you're unsure about using a free proxy, it may be best to avoid them and opt for a paid proxy service instead. Paid proxy services typically offer better reliability, speed, and security.
This is a proxy server integrated into the app to redirect traffic. It allows you to protect yourself from being tracked or to use the program where it is blocked. For example, at one time, users used a proxy server to bypass Telegram blocking.
What else…