Web scraping tutorials for Python, PHP, Java, C#, Go, Rust, Ruby, and JavaScript.
Six WebDriver habits that separate a scraper you babysit from one you schedule: outline highlighting, safer presence checks, tight explicit waits, JavaScript click fallbacks, download preferences that still work, and the limits of a user-agent override.
Async scraping with asyncio and aiohttp, rechecked 10 August 2026 against aiohttp 3.14.3: measured throughput, the default 100-connection cap, parser benchmarks and the Retry-After bug.
Python web scraping libraries with verified August 2026 versions and release dates, a measured parser comparison, the packages that have gone quiet, and equivalents for JavaScript, PHP, Go, C#, Java, Ruby and Rust.
Web scraping in C++ with libcurl, cpr, lexbor and libxml2: TLS, proxies, encodings and curl_multi concurrency. Library versions read from upstream on 10 August 2026, plus measured parse and fetch numbers.
Build a REST API on Spring Boot 4.1.0 and Java 25: Initializr setup, JPA entity, DTOs, RFC 9457 error bodies, keyset pagination and API versioning, checked against Spring sources on 10 August 2026.
C# web scraping rechecked in August 2026: HttpClient reuse, HtmlAgilityPack 1.12.4 against AngleSharp 1.7.1, encodings, SOCKS proxies, a Channels crawler that does not deadlock, and what rendering actually costs.
Run scrapers inside a Django project: models that survive real price strings, management commands, Celery 5.6.3, and the django.tasks framework added in Django 6.0. Pins, defaults and versions read from the projects themselves on 10 August 2026.
C# Selenium web scraping rechecked in August 2026 against Selenium 4.47.0, .NET 10 and Chrome 151: one NuGet package instead of two, waits that survive a redirect, and what breaks between one page and ten thousand.
A working PHP scraper with try-catch, retries and logging, rechecked August 2026. Guzzle 8 moved response access off RequestException, DomCrawler 8 dropped the non-HTML5 parser, and Retry-After can be a date.