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Page 6 of 154 posts

What is DNS Caching?

Zeid AbughazalehZeid Abughazaleh on Dec 5, 2025

DNS caching is the process of temporarily storing the results of DNS lookups in a local memory on devices, browsers, or servers. This makes future visits to the same site load faster by avoiding repeated lookups, reducing network traffic, and improving performance. We will explain what DNS caching is, what Time to Live (TTL) is, and how you can clear your cache.

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Firecrawl Self Host Guide: 2 Easy Ways to Integrate Proxies

Yazan SharawiYazan Sharawi on Nov 28, 2025

Should I go with a cloud or self-hosted solution? The question of convenience vs control is a topic of discussion in every Slack channel out there. As developers, we love to have control over stuff we build, but sometimes the associated cost and overhead you add to your team is not worth it. One side argues that you should pay the cloud to save time; the other side claims that open-source self hosting is the only way to scale without going bankrupt.

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Proxy Switcher for Chrome: Is It Worth Using in 2026?

Eyad ElkhatibEyad Elkhatib on Nov 21, 2025

Managing proxies in Chrome has never been pleasant. Google keeps burying the settings deeper, system-level proxy changes can break other tools running on the same machine, and nobody wants to dig through network menus every time they need a different IP. That’s the gap Proxy Switcher fills.

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Python vs JavaScript: Full Comparison (Tested)

Yazan SharawiYazan Sharawi on Nov 20, 2025

JavaScript or Python, which is superior? This seems to be the ultimate question for software developers from around the world. The question of Python vs JavaScript has been debated for years, which you’ll know if you’ve been in the development community for long enough. One side argues that Python is cleaner and easier to learn for people who deal with data; on the other hand some people claim that JavaScript runs the entire internet with its ecosystem.

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6 Solutions to Fix 401 Error

Zeid AbughazalehZeid Abughazaleh on Nov 18, 2025

Being met with an error page is never fun, especially when it doesn’t give you any additional information. That’s unfortunately the case with 401 error code. While error codes alone are frustrating, most of them will at least tell you what happened and what you can do to fix it. Not so with 401 error code.

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Proxy SwitchyOmega in 2026: The ZeroOmega Guide

Eyad ElkhatibEyad Elkhatib on Nov 14, 2025

There used to be a long list of “solid” Chrome extensions that promised to make proxy management easier that disappeared faster than a free VPN trial. Proxy SwitchyOmega is one of those that managed to stick around (well, that’s both true and false). A popular proxy manager for devs, scrapers, and network testers — essentially anyone who actually needs control or just doesn’t like digging through Chrome’s settings every time they switch IPs.

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What is Error Code 504?

Zeid AbughazalehZeid Abughazaleh on Nov 5, 2025

One of the most common error codes is error code 504. It is an issue that affects both website owners and website visitors. Knowing how to fix error code 504 is critical to keeping customers from going to your competitors instead.

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Twitter Scraper: How to Scrape Twitter for Free

Yazan SharawiYazan Sharawi on Oct 30, 2025

Let’s say you want to know people’s opinions on a specific topic, maybe you want to do sentiment analysis for them for research purposes, or you’re a software engineer who has been tasked with scraping (this is me). There’s no better place to do it than Twitter/X. Millions of people use it every day to tweet and talk about every possible topic under the sun. However in order to accomplish this at any meaningful scale (or efficiency), you must scrape, i.e. use code that collects data for you while you drink coffee or browse the internet.

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How to Fix Error Code 400

Zeid AbughazalehZeid Abughazaleh on Oct 24, 2025

There are so many error codes that you might stumble upon while trying to access a web page. They can range from 1XX to 5XX. Not all the error codes come with details explaining what exactly happened, and those that do might not offer a solution.

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