The HProxy Blog
Guides, comparisons and honest explainers on proxies, scraping and staying unblocked, from the team that actually runs the network.
1284 articles
Guide
Valorant IP ban explained: what Riot bans and what a new IP does not fix
Riot documents no IP ban for VALORANT. Its real penalties, from queue timers to hardware bans for cheating (VAN 152), why a new IP does not help, and appeals.
October 11, 2026 · 7 min read
Explainer
WebSocket vs HTTP: the difference and what changes behind a proxy
How a WebSocket starts as HTTP and becomes a two-way channel, what one message costs on each, and why wss:// passed 8 of 12 free proxies while ws:// passed 3.
October 11, 2026 · 6 min read
Tutorial
XPath vs CSS selector: which to use for scraping
XPath vs CSS selectors, tested on one page in lxml, parsel, BeautifulSoup and Chrome: what each can find, the class trap that drops matches, and which is faster.
October 11, 2026 · 6 min read
Guide
415 Unsupported Media Type error: causes and fixes
A 415 means the server will not accept the body in the format you sent it. See which Content-Type your client really sends, and the one-line fix for requests, curl and fetch.
October 10, 2026 · 6 min read
Review
9Proxy.com: the company behind it, ConnectWise Limited, and its history
9Proxy's terms name ConnectWise Limited of Hong Kong. Its record: a 2023 launch, the BeeProxy merger of 2025, a price rise and a pause in 2026.
October 10, 2026 · 15 min read
Review
ABCProxy.com (ABC S5 Proxy): the company, its operators and its end
ABCProxy sold residential proxies from 2022 under Hong Kong firms named in its footer. Google tied it to IPIDEA in 2026; its domain now sits in a sinkhole.
October 10, 2026 · 17 min read
Guide
Amazon CAPTCHA explained: why Amazon asks and how to stop seeing it
Amazon shows three different checks: a text CAPTCHA, a continue-shopping robot check and an AWS WAF JavaScript challenge. What each reads and what fixes it.
October 10, 2026 · 8 min read
Review
Bright Data (brightdata.com), formerly Luminati: the company, its owners and its history
Bright Data is Hola's 2008 company, renamed Luminati in 2017 and Bright Data in 2021. EMK Capital controls it; revenue was $253m in 2025.
October 10, 2026 · 25 min read
Guide
Cloudflare error 520: what it means and how to fix it
Cloudflare error 520 means the site's own server answered Cloudflare badly. The causes Cloudflare lists, what a visitor can do, and what the owner must check.
October 10, 2026 · 7 min read
Explainer
Concurrency vs parallelism in web scraping: requests, threads and proxies
Concurrency overlaps waiting, parallelism runs work on several cores. We timed both on 100 pages in Python: threads and asyncio for fetching, processes for parsing.
October 10, 2026 · 7 min read
Tutorial
cURL download file: save files, resume downloads and use a proxy
How to download a file with curl: -o and -O, server file names, folders, redirect and error pages, resuming, retries, checking the file and proxies, all tested.
October 10, 2026 · 14 min read
Tutorial
cURL follow redirects: -L, limits and redirects through a proxy
How to make curl follow redirects with -L, see where a redirect goes, set a limit, keep a POST a POST, protect logins and cookies, and redirect through a proxy.
October 10, 2026 · 10 min read
Tutorial
cURL headers: send, show and debug HTTP headers
How to send, replace, remove and read HTTP headers with curl: -H, -I, -i, -D, -w and -v, headers meant for a proxy, and which headers survive a redirect.
October 10, 2026 · 10 min read
Tutorial
cURL ignore SSL: when -k is safe and how to fix the certificate instead
How to make curl ignore SSL errors with -k, what each certificate error means, and the fixes that keep the check on: --cacert, pinning, proxies and Windows.
October 10, 2026 · 10 min read
Tutorial
cURL POST request: form data, JSON and file uploads
How to send a POST with curl: form fields with -d, JSON with --json, uploads with -F, the @ and & traps, JSON quoting on Windows, and POSTs through a proxy.
October 10, 2026 · 9 min read
Review
DataImpulse.com: the company, its owners and its history
DataImpulse's terms name Softoria LLC of Florida, part of Ukraine's Softoria group. Bytemarket OU of Estonia came first. The record since 2003.
October 10, 2026 · 16 min read
Review
Decodo.com, formerly Smartproxy: the company, its owners and its history
Decodo is Smartproxy renamed. Run by Data troops, UAB in Vilnius, backed by Tesonet since 2024: the owners, old names and record since 2018.
October 10, 2026 · 19 min read
Guide
Discord IP ban explained: how it works, how long it lasts and what to do
Discord says server bans are based on IP addresses, while its own suspensions are tied to accounts. How each ban works, how long it lasts and what to do.
October 10, 2026 · 10 min read
Guide
Facebook session expired error: why it happens and how to fix it
Facebook says session expired when the login your browser or app used has ended. What ends it, from Meta's own pages and our test, and the fixes in order.
October 10, 2026 · 13 min read
Explainer
Fake IP address: what it means, what works and what does not
A site sees the address its connection comes from, so a made-up IP never gets a reply. The four things called a fake IP, which one works, and which addresses to use in examples.
October 10, 2026 · 6 min read
Guide
Instagram action block: causes, wait times and the proxy mistakes behind it
Why Instagram blocks a like, follow or comment, where it shows how long the block lasts, how to get the action back, and the proxy mistakes that add to it.
October 10, 2026 · 7 min read
Guide
Instagram challenge required error: what triggers it and how to clear it
Instagram's challenge_required error means it wants proof that a login is yours. What triggers it, how each tool reports it, and how to clear it safely.
October 10, 2026 · 10 min read
Guide
Instagram feedback required error: what it means and how to fix it
Instagram's feedback_required error reports a blocked action, the same block the app shows as Try again later. What triggers it and how to fix it.
October 10, 2026 · 8 min read
Guide
Instagram IP ban explained: how to tell, how long it lasts and what fixes it
Does Instagram ban IP addresses? What an address limit looks like, two tests to tell it from an account ban, how long it lasts and what fixes it.
October 10, 2026 · 8 min read
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Proxies that don't die mid-job
Residential, ISP, datacenter and mobile, verified by the same engine that runs tens of millions of checks. They read as a real device and hold up under load. Pay as you go, and your balance never expires. $0.23/GB is the 10,000 GB+ rate; a single gigabyte is $0.50/GB, with no minimum order.
129M+ proxy checks run · 100+ countries · HTTP / HTTPS / SOCKS · re-checked every few minutes · no signup
HProxy.
Honest guides and comparisons on proxies, scraping and staying unblocked, from the team that runs the network.