Research Archive

Pages

• Mobile performance

  Accessibility and Performance

  Where accessibility and speed support each other on casino sites: pausable motion, reduced motion, lean controls, stable layouts and WCAG 2.2.

• Core Web Vitals

  CLS Remediation Guide

  Step by step fixes for layout shift on casino and sportsbook pages: sized media, reserved slots for widgets and frames, font fallbacks and stable banners.

• Mobile performance

  Caching and Delivery

  How CDN caching, cache keys for markets and logins, Cache-Control headers, immutable assets, the back/forward cache and prefetching affect casino page speed.

• Section hub

  Casino Interface Anatomy

  A component by component map of a casino lobby page, from hero banner to sticky footer, showing which Core Web Vital each part puts at risk and why.

• Interface anatomy

  Casino Lobby Performance

  How to keep a casino lobby fast: what loads first, how to handle hero banners and carousels, and how to render a large game grid without slowing taps.

• Section hub

  Core Web Vitals for Casino Websites

  What LCP, INP and CLS measure, the thresholds Google uses at the 75th percentile, and where casino lobbies and sportsbook pages usually fall short.

• Core Web Vitals

  Cumulative Layout Shift (CLS)

  How CLS is scored with session windows, what counts as an unexpected shift, and which casino components cause it, from banners to consent prompts.

• Core Web Vitals

  Field vs Lab Data

  Why Chrome field data and Lighthouse lab tests disagree on casino pages, who CrUX includes and excludes, and how to use each one without misreading it.

• Interface anatomy

  Image Optimization for Game Thumbnails

  How to serve casino game thumbnails and banners efficiently: modern formats, srcset and sizes, compression, dimensions, lazy loading and fetch priority.

• Core Web Vitals

  Interaction to Next Paint (INP)

  How INP measures responsiveness, its three phases, and why lobby filters, game launchers, chat and tags on casino sites slow the response to a tap.

• Interface anatomy

  JavaScript Weight in Casino Websites

  Why JavaScript size and evaluation slow casino lobbies and sportsbooks, how long tasks hurt INP, and how code splitting and yielding reduce the cost.

• Core Web Vitals

  Largest Contentful Paint (LCP)

  How LCP works, its four parts, why banners and thumbnails decide it on casino lobbies, and the fixes Google documents for each part of the delay.

• Interface anatomy

  Live Video and Web Performance

  How live dealer streams and video previews affect casino page speed: posters, preload settings, starting streams on demand and keeping the player UI responsive.

• Research archive

  Measurement Methodology

  A repeatable protocol for measuring casino page performance: what to record, how to run lab tests, how to collect field data and how to state limits.

• Mobile performance

  Mobile Audit Checklist for Casino Sites

  A practical mobile performance checklist for casino and sportsbook pages, grouped by loading, responsiveness, stability and delivery.

• Section hub

  Mobile Performance for Casino Sites

  Why mobile visits decide Core Web Vitals for most casino sites, how lab throttling and real devices differ, and where mobile lobbies lose time and stability.

• Interface anatomy

  Payment Widget Performance

  How hosted payment frames and cashier scripts affect casino page speed and stability, and how to load them on the cashier step only, in a fixed-size slot.

• Tool

  Performance Budget Calculator

  Free calculator for casino and sportsbook page weight budgets: set kilobytes by resource type, see each share and raw transfer time, and export a CSV.

• Interface anatomy

  Rendering Path Analysis

  How the browser turns casino page HTML, CSS and scripts into pixels, which resources block rendering, and how DOM size and content-visibility change the cost.

• Research archive

  Sample Anatomy Analysis

  A worked example of splitting a casino lobby into components with a metric, budget and owner for each. Every number on this page is invented.

• Mobile performance

  Setting Performance Budgets

  How to set size and timing budgets for casino and sportsbook templates from field data, which limits to track, and how to enforce them before each release.

• Interface anatomy

  The Cost of Third-Party Scripts

  How to audit tags, chat, affiliate tracking, consent tools and embeds on a casino site: what each costs, when to load it and how tag managers help or hurt.