Peakhour.IO - Browser Fingerprinting

Fingerprints Are Evidence, Not Identity

AC — Fri, 19 Jun 2026 00:00:00 +1000

Browser and network fingerprints are useful security evidence, but they should not be treated as proof of a person's identity.

The Invisibility Cloak

AC — Mon, 01 Sep 2025 00:00:00 +1000

Learn how attackers combine residential proxies and anti-detect browsers to evade detection and how modern security tools can fight back.

Anti-Detect Browsers

AC — Wed, 15 Jan 2025 10:00:00 +1100

Anti-detect browsers represent one of the most sophisticated threats facing modern web applications and APIs. Learn how these tools work, why they pose a significant threat to application security, and how modern security platforms can detect and mitigate their use.

JA4 and JA4+ Network Fingerprinting

AC — Wed, 25 Oct 2023 13:00:00 +1100

How JA4 constructs a TLS client fingerprint, what JA4+ names, and which details sorting and hashing discard.

Web scraping another Business' website

Legalvision — Wed, 11 Oct 2023 13:00:00 +1100

Scraping competitor websites is a common practice, but is it legal? Read on to find out.

Interaction to Next Paint (INP)

Dan — Mon, 11 Sep 2023 13:00:00 +1000

Google is introducing a new Core Web Vital to replace First Input Delay, read on to learn all about it.

Down But Not Out - JXL Will Return on Safari

AC — Sun, 04 Jun 2023 00:00:00 +1000

What Apple's announcement of JPEG-XL support means for the web ecosystem.

Chrome's TLS Extension Randomisation Experiment

AC — Thu, 02 Feb 2023 13:00:00 +1100

Does TLS extension randomisation assist in hiding Chrome?

TLS Fingerprinting

AC — Thu, 02 Feb 2023 13:00:00 +1100

What is fingerprinting, and in particular TLS fingerprinting?

What is the Chrome UX Report (CrUX), and why should you care?

Dan — Fri, 26 Feb 2021 13:00:00 +1100

Learn what the Chrome UX Report is, how CrUX field data feeds Core Web Vitals reporting, and how to use it alongside lab tools.

Test Your Website Performance With Google Lighthouse

Dan — Mon, 14 Sep 2020 13:00:00 +1000

This installment on website performance introduces Google Lighthouse as a measuring tool. Read on to see how we use it here at Peakhour.