[Blog](https://scrapfly.io/blog) / [Mostafa](https://scrapfly.io/blog/author/mostafa) M # @ Mostafa 20 articles published [ai](https://scrapfly.io/blog/tag/ai) [api](https://scrapfly.io/blog/tag/api) [automation](https://scrapfly.io/blog/tag/automation) [beautifulsoup](https://scrapfly.io/blog/tag/beautifulsoup) [blocking](https://scrapfly.io/blog/tag/blocking) [cloud-browser](https://scrapfly.io/blog/tag/cloud-browser) [crawling](https://scrapfly.io/blog/tag/crawling) [css-selectors](https://scrapfly.io/blog/tag/css-selectors) [curl](https://scrapfly.io/blog/tag/curl) [data-parsing](https://scrapfly.io/blog/tag/data-parsing) [ecommerce](https://scrapfly.io/blog/tag/ecommerce) [fashion](https://scrapfly.io/blog/tag/fashion) [frameworks](https://scrapfly.io/blog/tag/frameworks) [golang](https://scrapfly.io/blog/tag/golang) [graphql](https://scrapfly.io/blog/tag/graphql) [headless-browser](https://scrapfly.io/blog/tag/headless-browser) [hidden-api](https://scrapfly.io/blog/tag/hidden-api) [http](https://scrapfly.io/blog/tag/http) [httpx](https://scrapfly.io/blog/tag/httpx) [java](https://scrapfly.io/blog/tag/java) [javascript](https://scrapfly.io/blog/tag/javascript) [jupyter](https://scrapfly.io/blog/tag/jupyter) [nodejs](https://scrapfly.io/blog/tag/nodejs) [parsel](https://scrapfly.io/blog/tag/parsel) [php](https://scrapfly.io/blog/tag/php) [playwright](https://scrapfly.io/blog/tag/playwright) [project](https://scrapfly.io/blog/tag/project) [proxies](https://scrapfly.io/blog/tag/proxies) [puppeteer](https://scrapfly.io/blog/tag/puppeteer) [python](https://scrapfly.io/blog/tag/python) [r](https://scrapfly.io/blog/tag/r) [real-estate](https://scrapfly.io/blog/tag/real-estate) [requests](https://scrapfly.io/blog/tag/requests) [ruby](https://scrapfly.io/blog/tag/ruby) [scaling](https://scrapfly.io/blog/tag/scaling) [scrapeguide](https://scrapfly.io/blog/tag/scrapeguide) [scrapy](https://scrapfly.io/blog/tag/scrapy) [screenshots](https://scrapfly.io/blog/tag/screenshots) [selenium](https://scrapfly.io/blog/tag/selenium) [seo](https://scrapfly.io/blog/tag/seo) [tools](https://scrapfly.io/blog/tag/tools) [typescript](https://scrapfly.io/blog/tag/typescript) [web-scraping](https://scrapfly.io/blog/tag/web-scraping) [xpath](https://scrapfly.io/blog/tag/xpath) ## // Articles by Mostafa Search articles [ ai ### Guide to Local LLMs Discover the benefits of deploying Local LLMs, from enhanced privacy and reduced latency to tailored AI solutions. Dec 16, 2024 16 min read ](https://scrapfly.io/blog/posts/guide-to-local-llm) [ data-parsing java ### Web Scraping and HTML Parsing with Jsoup and Java Learn how to harness the power of jsoup, a lightweight and efficient Java library for web scraping and HTML parsing. Dec 11, 2024 10 min read ](https://scrapfly.io/blog/posts/web-scraping-java-jsoup-html-parsing) [ http tools ### Comprehensive Guide to OkHttp for Java and Kotlin Learn how to simplify network communication in Java and Android applications using OkHttp. Dec 05, 2024 12 min read ](https://scrapfly.io/blog/posts/guide-to-okhttp-java-kotlin) [ tools ### Instant Data Scraper Guide - Web Scraping with No Code Web scraping has become an essential tool for accessing and organizing data from the web, but coding skills are often seen as a ba... Mar 22, 2025 11 min read ](https://scrapfly.io/blog/posts/how-to-make-instant-data-scraper) [ http ### What is HTTP 499 Status Code and How to Fix it? Imagine this: You’re surfing the web or managing your server when, suddenly, you’re greeted with an error you’ve never encountered... Mar 22, 2025 10 min read ](https://scrapfly.io/blog/posts/what-is-499-status-code-client-closed-request) [ http blocking ### What is Error 1015 (Cloudflare) and How to Fix it? Discover why you're seeing Cloudflare Error 1015 and learn effective ways to resolve and prevent it. Nov 20, 2024 8 min read ](https://scrapfly.io/blog/posts/what-is-cloudflare-1015-error-and-how-to-fix-it) [ http api ### What HTTP Error 412 Precondition Failed and How to Fix it? Quick look at HTTP status code 412 - what does it mean, its common causes, and how it can be prevented. Nov 15, 2024 7 min read ](https://scrapfly.io/blog/posts/what-is-http-412-error-precondition-failed) [ data-parsing ### JSON vs XML: Key Differences and Modern Uses JSON and XML are two major data formats encountered in web development — here's how they differ and which is one better for your u... Nov 13, 2024 18 min read ](https://scrapfly.io/blog/posts/json-vs-xml) [ http blocking api ### HTTP Error 503 Service Unavailable and How to Fix it? Understand what causes HTTP 503 errors, when they might indicate blocking, and how to effectively mitigate them. Nov 07, 2024 5 min read ](https://scrapfly.io/blog/posts/what-is-http-error-503-service-unavailable) [ proxies tools ### What is Charles Proxy and How to Use it? Learn about of the most popular web debugging proxies — Charles Proxy and what it's capable. Nov 06, 2024 10 min read ](https://scrapfly.io/blog/posts/what-is-charles-proxy-and-how-to-use-it) [ http nodejs api ### Axios vs Fetch: Which HTTP Client to Choose in JS? Explore the differences between Fetch and Axios - two essential HTTP clients in JavaScript - and discover which is best suited for... Oct 29, 2024 13 min read ](https://scrapfly.io/blog/posts/axios-vs-fetch) [ http ### What is HTTP 415 Error? (Unsupported Media Type) Quick look at HTTP status code 415 — what does it mean and how can it be prevented and bypassed in scraping? Oct 24, 2024 4 min read ](https://scrapfly.io/blog/posts/what-is-http-415-error-unsupported-media-type) 1 [2](https://scrapfly.io/blog/author/mostafa?page=2) [ ](https://scrapfly.io/blog/author/mostafa?page=2) Page 1 of 2 · 20 articles