BotBrowser Knowledge Hub — Page 2
Browse page 2 of BotBrowser articles on browser fingerprint protection, privacy signals, proxy consistency, and deployment.
fingerprint
Chrome for Testing: Pinning a Build, Not a Fingerprint
The availability endpoint publishes four channels and three artefacts per platform at one version. Pinning that version still leaves fonts, GPU and clock outside the pin.
Read article →platform
Chrome Headless New vs Old: Shell, Mode and What Differs
Unified headless is Chrome with no window; the old shell is a separate binary. One measured run shows what actually changes, and what stays different from headed.
Read article →fingerprint
curl-impersonate and curl_cffi: TLS Parity Limits
Three clients, one listener: what a TLS-impersonating HTTP client matches, why it still differs by an extension, and the page layer it never reaches.
Read article →identity
Financial Data Scraping: Browser Requirements
Four requirements a regulated-data collection job needs beyond a general scrape: session binding, step-up as a state change, recorded TLS expectations and an audit record.
Read article →comparison
Flaky Tests: Four Causes and Their Artifacts
Attribute a flaky test to shared state, timing, network or environment drift using the artifact that separates them, and make retries record rather than hide.
Read article →getting-started
Playwright Init Scripts and Fingerprint Order
page.addInitScript and context.addInitScript have no defined evaluation order. See what that does to a patched fingerprint, and how to prove which write won.
Read article →getting-started
Headless Browser Selenium: Chrome Options and What Differs
Selenium headless Chrome differs from headed in ways a page can read. The ChromeOptions that matter, the default window size, and why headless is easier to single out.
Read article →getting-started
Web Scraping JavaScript: Rendering, Pagination, Scroll
Web scraping a JavaScript site returns no data: decide whether it is a selector bug, an XHR you could call directly, or a page that needs rendering, then page and scroll.
Read article →deployment
Job Board Scraping: Browser Boundaries
Plan public job-board listing collection around JobPosting markup, pagination, session state, and a clear stop at authenticated candidate data.
Read article →deployment
Job Posting Scraping: Titles, Reposts and Closure
Build a cross-board job ingestion record: keep raw and normalized fields, separate repost occurrences, and treat absence as an observation rather than a closure.
Read article →platform
Loading Extensions in Puppeteer and Playwright
An unpacked extension needs a persistent context and paired flags, and it can still fail to load. One measured run shows why loading has to be verified, not assumed.
Read article →network
Scraper Blocked? Diagnose DNS, TLS, HTTP and Page Errors
Locate a blocked scraper by the last established layer: DNS, TLS, HTTP or page execution. Preserve the response and leave unsupported anti-bot explanations unknown.
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