Tutorials, guides, and close looks from the team
that owns the infrastructure.
Undetectable is a state-of-the-art anti-detection browser designed to shield your online persona by modifying critical details about your device, such as IP address, browser fingerprint, language settings, fonts, and lots of other parameters.
Maricor Bunal
Published: July 31, 2024
Focusing on speed and security, Telegram is a messaging app that's fit for everyone! A great way to add extra security would be installing a proxy server and here's how to do it!
Carl Gamutan
Published: January 20, 2022
Discover the ultimate guide to scraping Immobiliare.it for real estate data. Learn the techniques, tools, and best practices to gather valuable property information effortlessly. Elevate your real estate analytics game today!
Maricor Bunal
Published: September 7, 2023
Discover the intricacies of Instagram's IP ban, its causes, and effective solutions. Gain insights into how you can keep yourself from getting IP-banned on most everyone's favorite social media platform, and what you can do if you did get IP banned.
Maricor Bunal
Published: August 30, 2023
Running several online stores is an operations problem, not a technical one. The platforms support it natively, and the difficulties are in inventory, catalogue and attention rather than in infrastructure. That matters because "multiple stores" is a phrase that attracts a particular kind of vendor pitch, and most of it is answering a question the platforms already answered. This guide covers the architectural decision, the operational work, and — briefly and honestly — where proxies do and do not come into it.
Geonode Team
Published: 2026-09-02
Proxies solve a narrow set of problems for an e-commerce business, and the marketing around them is considerably broader than the set. The genuine uses come down to two situations: you need to see what a customer in another country sees, or you need to collect public data at a volume one address cannot sustain. Everything else is somebody's sales page. This guide covers those uses in practical detail, what each costs, and the things proxies are frequently sold for and do not do.
Geonode Team
Published: 2026-09-02
Proxies and email automation get bundled together in e-commerce discussions, and the connection is much weaker than the pairing suggests. Email deliverability is governed by domain authentication, sending reputation and recipient engagement. None of those is an IP address you rent by the gigabyte, and sending marketing email through rotating proxies is a pattern that mailbox providers treat as abuse. This guide covers what actually determines whether your email arrives, and the separate set of jobs proxies genuinely do.
Geonode Team
Published: 2026-09-02
Searching for Foot Locker proxies usually means one thing, and we are not going to write that guide. What we can do is tell you what we found when we looked at the site, which is more useful than another listicle. Foot Locker's US storefront sits behind Cloudflare bot protection. Its UK `robots.txt` disallows exactly the transactional paths a purchasing tool would need. And the US domain has no `robots.txt` at all. Those three facts, verified in September 2026, shape everything below.
Geonode Team
Published: 2026-09-02
A screenshot API takes a URL and returns an image. The interesting question is not which one renders best — they all render with the same browser engine — but whether you should be paying for one at all. The answer turns on volume, on how much you value not operating browser infrastructure, and on a bandwidth cost that most comparisons omit entirely. This guide covers the main services with verified pricing, and the arithmetic for doing it yourself.
Geonode Team
Published: 2026-09-02
Public LLM training datasets are large, well documented and mostly permissively licensed. They are also more heterogeneous than "a big pile of web text" suggests, and the differences between them matter more than their sizes do. This guide covers the major corpora with verified figures, the licensing and provenance questions that determine whether you can use them, and what building your own actually involves. Including the honest observation that most people asking this question do not need to pretrain anything.
Geonode Team
Published: 2026-09-02
LangChain is the default choice in this space and the most frequently abandoned one. People adopt it for the abstractions and leave because of them. The alternatives divide into three groups: frameworks with a different philosophy, frameworks with a narrower scope, and the option of writing against the model provider's SDK directly. That last one deserves more consideration than it gets, and this guide covers it alongside the rest.
Geonode Team
Published: 2026-09-02
Most Pinecone alternatives lists compare managed vector databases against each other and skip the two options that suit more projects than any of them: an extension on the database you already run, and no vector database at all. This one covers all four categories, with pricing and licences verified from the vendors themselves. Because the honest answer for a large share of projects is that the retrieval problem is not a database problem.
Geonode Team
Published: 2026-09-02
Pinecone is a managed vector database — infrastructure for finding items similar to a query rather than items matching it exactly. The concept is simple; the operational details are where it gets interesting. Indexes, namespaces, hybrid scoring and a pricing model that bills reads and writes separately from storage all shape how you should design against it. This guide covers the concepts, the verified pricing, and the honest question of whether you need a managed service at all.
Geonode Team
Published: 2026-09-02
chromedp drives Chrome from Go using the DevTools Protocol, with no external dependencies — no driver binary, no Java, no separate server process. That design makes it pleasant to deploy and slightly unusual to learn, because everything hangs off Go's `context` package in ways that are not obvious at first. This guide covers the context model, the actions you will actually use, waiting properly, and the deployment and proxy configuration that trip people up.
Geonode Team
Published: 2026-09-02
`pip install scikit-learn` is the answer. The reason this question is asked so often is that the import name and the package name differ, and typing the import name deliberately fails. That failure is not a bug. There is a placeholder package on PyPI whose only job is to error and explain itself, and it exists for a security reason worth understanding. This guide covers every install route, the dependency requirements as of the current release, and the errors that come up afterwards.
Geonode Team
Published: 2026-09-02
SuperAgent has no built-in proxy option. You either add an extension or supply an HTTP agent, and both approaches are complicated by a naming collision: SuperAgent's `.agent()` already means something else entirely. That collision produces a specific confusion where people think they have configured a proxy and have configured a cookie jar. This guide covers both routes, the terminology, and the check that tells you which is actually in effect.
Geonode Team
Published: 2026-09-02
Axios supports proxies three different ways in Node, and they interact in ways that produce a specific and confusing failure: a request that succeeds while going directly, with no error to tell you. The `proxy` option, the environment variables and a custom agent all do overlapping jobs, and which one wins is not obvious. This guide covers all three, when each is right, and the one-line check that tells you which is actually in effect.
Geonode Team
Published: 2026-09-02
Cloudscraper is a Python library for getting past Cloudflare's interstitial challenge page. It was genuinely effective, it is widely recommended, and it has not had a functional release since 2023. That gap matters more than any usage guide, because Cloudflare's detection has changed substantially in the intervening years and the library's own README describes a threat model that no longer exists. This article covers what it does, why the approach stopped working, and what to do instead.
Geonode Team
Published: 2026-09-02
Postman has two features called "proxy" and they do opposite things. One sends your requests through someone else's proxy; the other turns Postman into a proxy that other applications send requests through. Searching for "Postman proxy" returns documentation for both, which is why this is more confusing than it should be. This guide covers each separately, plus the certificate step that HTTPS capture requires and the settings that break requests when they are wrong.
Geonode Team
Published: 2026-09-02
OkHttp is the HTTP client most JVM and Android projects end up using, and it has two design decisions that catch newcomers: the client is meant to be shared, and response bodies must be closed. Get those right and everything else is straightforward. Get them wrong and you leak connections until something falls over. This guide covers the basics, interceptors, timeouts and proxies — plus a note on where the project now lives, which has changed.
Geonode Team
Published: 2026-09-02
Node has had a built-in `fetch` since v18, which means most people searching for `node-fetch` no longer need the package at all. Setting headers is straightforward in either. What is less obvious is when `set` differs from `append`, which headers you are not permitted to set, and why a header you configured does not appear on the wire. This guide covers all of it, plus the proxy behaviour that differs from every other HTTP client in Node.
Geonode Team
Published: 2026-09-02
`pandas.read_html()` extracts HTML tables into DataFrames in one line. It is genuinely useful and it is also the function most likely to give a beginner a false sense of how easy web data extraction is. It returns a *list* of DataFrames, not one. It only finds `<table>` elements. And the documentation itself tells you to expect cleanup afterwards. This guide covers what it does, the parameters worth knowing, and the cases where a different tool is the right answer.
Geonode Team
Published: 2026-09-02
"Read a JSON file in JavaScript" means three different things depending on where the code runs, and the methods do not transfer between them. In Node you read from disk. In a browser you fetch over the network or accept a file the user chose. And in both, there is now a standard import syntax that most people have not adopted yet. This guide covers all of them, plus the error handling that turns a confusing failure into an obvious one.
Geonode Team
Published: 2026-09-02
Browsers have a built-in XML parser. Node.js does not. That single asymmetry explains most of the confusion around this topic. In a browser, `DOMParser` handles XML with no dependencies and a quirk worth knowing: it does not throw on malformed input. In Node, you choose a library, and the choice affects how you write everything downstream. This guide covers both, plus namespaces, XPath and the security issue that catches people.
Geonode Team
Published: 2026-09-02
A dataset is a collection of data organised so that it can be worked with as a unit. That definition is broad enough to include a spreadsheet, a database table, a directory of photographs and a hundred million web pages. What separates a useful dataset from a pile of files is not size or format. It is structure, documentation and knowing where it came from. This guide covers what a dataset is made of, how the common formats differ, and what to check before trusting one.
Geonode Team
Published: 2026-09-02
A website ripper downloads a site's pages and assets to your own disk and rewrites the links so it works offline. The category is old, the tools are mature, and most of them break on modern websites for the same reason. That reason is JavaScript, and understanding it tells you which tool to pick more reliably than any feature comparison. This guide covers the tools worth knowing, what each actually does, and the limits — technical, legal and courteous — that apply to all of them.
Geonode Team
Published: 2026-09-02
A crawl list is the set of URLs your crawler intends to visit, and managing it well is most of what separates a crawler that finishes from one that runs forever. The interesting problems are not fetching. They are deciding what to fetch next, recognising that two URLs are the same page, and knowing when to stop. This guide covers seeding, normalisation, the frontier, prioritisation and budgets — with the specification details that make normalisation correct rather than approximate.
Geonode Team
Published: 2026-09-02
Most crawlers get blocked for behaviour, not identity. They go too fast, they retry into errors, they ignore what the server told them, and they fetch the same unchanged page a thousand times. Which means most of the advice on this topic — rotate this, randomise that — addresses the wrong layer. The reliable fix is to be a crawler that a site operator has no reason to block. This guide covers what actually works, in the order that removes the most risk per unit of effort.
Geonode Team
Published: 2026-09-02
A honeypot trap is content placed on a page specifically so that only an automated client will interact with it. A human never sees it; a naive crawler follows it straight away. They range from an invisible link in a footer to an infinite maze of generated pages designed to waste a crawler's compute budget for days. This guide covers the six kinds you will actually meet, how to avoid them, and — since the same information serves both sides — how they are deployed.
Geonode Team
Published: 2026-09-02
`robots.txt` stopped being a convention in 2022. It is now a standard, [RFC 9309](https://www.rfc-editor.org/rfc/rfc9309.txt), with defined matching semantics and required behaviour. Most explanations of it are older than that and get two things wrong: they say rules are matched in order (they are not) and they say a missing file means the same as an unreachable one (it does not). Here is what the specification actually says, and how to read a real file correctly.
Geonode Team
Published: 2026-09-02
There is no way to obtain a complete list of every page on a website, and understanding why is the first useful step. A site knows its own pages; you do not. What you can build is a union of several partial views — the sitemap, the archive record, the search index, the crawl — each of which sees something the others miss. This guide covers the eight sources worth using, in the order that saves the most work.
Geonode Team
Published: 2026-09-02
The honest answer to "how many proxies do I need" is almost always "fewer than you think", and the useful answer comes from a measurement that takes about twenty minutes. Most people arrive at a number by reading a forum post or by assuming that more must be safer. Both approaches overshoot badly, and on per-gigabyte pricing the overshoot is not even the expensive mistake. Here is the method, with worked examples for the common workloads.
Geonode Team
Published: 2026-09-02
Proxy authentication is how a proxy server decides whether you are allowed to use it. It is a completely separate mechanism from authenticating to the website you are trying to reach. Confusing the two is the single most common source of proxy configuration problems, and the status codes are designed to tell them apart if you read them. This guide covers both methods providers offer, why one of them is safer than people assume, and where credentials leak.
Geonode Team
Published: 2026-09-02
CSS selectors are the shortest way to say which elements you mean. They are used for styling, for querying in JavaScript, and for extraction in every serious scraping library. This is a reference organised for practical use: the syntax tables first, then the pseudo-classes that actually earn their place, then specificity, then the patterns that come up repeatedly. It also covers what CSS still cannot do, which is a shorter list than it used to be.
Geonode Team
Published: 2026-09-02
Selecting by class is the most common thing anyone does with a selector, and it is the thing XPath does worst. The expression everyone writes first — `//div[@class='card']` — matches only elements whose class attribute is exactly that string, so it misses `class="card featured"`. The obvious fix, `contains(@class, 'card')`, matches `card-large` and `discard` too. Neither is right. Here is what is, plus when to use a CSS selector instead.
Geonode Team
Published: 2026-09-02
CSS selectors are shorter and more readable. XPath is more capable. That summary is accurate and useless on its own, because the capability gap is narrower than it was and the readability gap is not. What matters is which specific things each cannot do, and there are only about four of those on each side. This guide is that list, plus how the arrival of `:has()` changed the calculation and what it did not change.
Geonode Team
Published: 2026-09-02
XPath is a query language for navigating XML and HTML documents. It has a small core and a large number of ways to misuse it. This is a reference organised the way you actually need it: syntax first, then the functions worth knowing, then the patterns that come up repeatedly, then the traps. Everything here is XPath 1.0, which is what browsers, Selenium and most parsing libraries implement.
Geonode Team
Published: 2026-09-02
`curl -A "MyBot/1.0" https://example.com` sets the User-Agent header. That is the syntax, and the interesting question is what to put in it. The instinctive answer — copy a Chrome string — is frequently the wrong one, because it creates a contradiction between what you claim to be and what your connection demonstrably is. This guide covers the syntax, the removal case, and the more useful strategy of identifying yourself honestly.
Geonode Team
Published: 2026-09-02
`curl -u username:password https://example.com` sends basic authentication. That works, and it also puts your password somewhere you probably did not intend. curl's own manual is unusually blunt about it: sensitive data "should be retrieved from a file instead or similar and never used in clear text in a command line". This guide covers the syntax, the three safer alternatives, how basic auth differs from the other schemes, and what changes when a proxy is in the path.
Geonode Team
Published: 2026-09-02
`curl -d "key=value" https://example.com` sends a POST. That is the whole basic answer, and it is also the source of the most common error people hit next. `-d` sets a form-encoded content type. Send JSON with it and forget the header, and many APIs will reject you with a 415. This guide covers form data, JSON including the shortcut most people do not know about, file uploads, and how to tell which of the several data options you actually want.
Geonode Team
Published: 2026-09-02
"Clean proxies" is one of the most-used phrases in this industry and one of the least defined. Nobody agrees what it means, which makes it excellent marketing and poor information. Here is the version that survives contact with reality: cleanliness is not a property of an address. It is a relationship between an address and a specific target, and it changes over time. That reframing has consequences for what you should test and what you should refuse to believe.
Geonode Team
Published: 2026-09-02
curl fetches a URL and prints the result. Everything else is options, and there are over two hundred of them. You need about eight to be productive. This guide covers those eight, the mental model that makes the rest readable, and the handful of mistakes that catch everyone at the start. By the end you will be able to send requests, read responses, debug what actually went over the wire, and know which manual page to open next.
Geonode Team
Published: 2026-09-02
`await page.screenshot({ path: 'shot.png' })` takes a screenshot. That is the easy part, and it is also where most guides stop. The harder part is making screenshots that are the same twice — which matters enormously if you are comparing them, and matters not at all if you are just looking at one. This guide covers both, plus the options that control what gets captured and the case where screenshots are genuinely the right verification tool.
Geonode Team
Published: 2026-09-02
wget has no `--proxy` option. That surprises people coming from curl, and it is the first thing to know. Proxies are configured through environment variables, a configuration file, or exclusion flags — and the exclusion variable, `no_proxy`, matches in a way that is narrower than most people assume. This guide covers all three methods, the SOCKS limitation nobody mentions, and how to read wget's exit codes when something goes wrong.
Geonode Team
Published: 2026-09-02
A proxy is a machine you voluntarily route your traffic through. Whether that is safe depends almost entirely on who runs it and what your traffic looks like when it passes. The short version: a reputable paid proxy carrying HTTPS traffic is a modest, manageable risk. A free public proxy is a genuinely bad idea, and there is peer-reviewed research explaining why. Here is the full picture, including what proxies do not protect you from at all.
Geonode Team
Published: 2026-09-02
A proxy pool is a collection of IP addresses you can route requests through, usually behind a single endpoint that picks one for you. The number everyone advertises — how many addresses are in it — is close to the least useful thing about it. This guide covers what actually determines whether a pool works for your job, how to measure it before committing, and how many addresses you genuinely need, which is almost always fewer than you think.
Geonode Team
Published: 2026-09-02
A subnet ID is the part of an IP address that identifies the network rather than the individual machine on it. Split the address in two, and the left-hand part is the subnet. That is a networking fundamental with an unexpectedly practical consequence: sites that block addresses frequently block whole subnets, which is why a thousand proxies from one block can be worth less than fifty from fifty. This guide covers what a subnet ID is, how to work one out, and what it means when you are buying addresses.
Geonode Team
Published: 2026-09-02
`contains()` is the XPath function people reach for most and understand least. It looks like a substring test and behaves like one only when you give it a string. Given a node-set — which is what most expressions produce — it silently uses only the first node and ignores the rest. This guide covers that trap, the class-matching idiom nobody gets right first time, and the whitespace and case handling that XPath 1.0 makes harder than it should be.
Geonode Team
Published: 2026-09-02
"Timeout of 30000ms exceeded" is the most common Playwright error and the most commonly misdiagnosed. It rarely means your test is slow. It usually means an element never became actionable, and the timeout is simply where Playwright gave up waiting for a condition that was never going to be satisfied. This guide covers the six separate timeouts, which one you are actually hitting, and why raising the number is usually the wrong fix.
Geonode Team
Published: 2026-09-02
Proxy chaining routes your traffic through two or more proxies in sequence rather than one. The intuition is that more hops means more privacy. The arithmetic disagrees. Latency adds up, reliability multiplies downward, and the trust model improves less than you would think — because each operator in the chain still sees a hop. There is a design that does chaining properly, and it is not a stack of commercial proxies.
Geonode Team
Published: 2026-09-02
