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BNবাংলা#Core Web Vitals
Core Web Vitals are the user experience metrics that Google uses to measure loading, responsiveness and visual stability. Articles tagged here explain Largest Contentful Paint, Interaction to Next Paint and Cumulative Layout Shift. They show the difference between field data from real users and lab data from test tools. Each guide lists the most common causes of poor scores and how to fix them. You will learn which changes usually give the biggest improvement for the least work. Good vitals make pages feel fast and stable for visitors.
2026/09/30 · 7分で読めますPop-Ups and Interstitials: Which Ones Hurt SEO?
Some pop-ups are harmless, others block the content searchers came for. Learn which interstitials cause problems and how to design pop-ups that do not…
2026/09/30 · 8分で読めますWebP and AVIF: Choosing Image Formats for Faster Pages
WebP and AVIF can make images much lighter than JPEG and PNG. Learn how they compare, how to serve them with fallbacks and where…
2026/09/30 · 7分で読めますThird-Party Scripts: How Tags and Widgets Slow Your Site
Chat widgets, trackers and tag managers often cost more speed than your own code. Learn how to measure third-party scripts and load them without…
2026/09/21 · 7分で読めますLazy Loading and SEO: What to Lazy-Load and What Not To
Lazy loading saves bytes but can hide content from crawlers and slow your main image. What to lazy-load, what not to, and how to…
2026/09/18 · 7分で読めますCDN and SEO: Setup Choices That Help or Hurt Search
A CDN can speed up every page or quietly block crawlers and serve stale content. The CDN settings that matter for SEO and how…
2026/09/16 · 7分で読めますServer Location, CDNs and Speed for International SEO
Does server location matter for international SEO? Why speed for distant visitors matters more, how CDNs help, and what to check for each market…
2026/08/26 · 7分で読めますRender-Blocking Resources: What They Are and How to Fix Them
Render-blocking CSS and JavaScript keep the screen blank while they load. How to find them, which to keep, and how to defer, inline or…
2026/08/25 · 7分で読めますPage Weight and Compression: How to Make Pages Lighter
Heavy pages load slowly on mobile. Learn what makes pages heavy, how gzip and Brotli compression work, and a practical order for cutting page…
2026/08/23 · 7分で読めますServer Response Time and TTFB: How to Speed Up Your Server
Time to first byte explained: what slows a server response, how to measure it on every page, and the caching, hosting and database fixes…
2026/08/22 · 8分で読めますInteraction to Next Paint (INP): How to Find and Fix Delays
What INP measures, why pages feel sluggish when you click or tap, how to find the slow interactions and the JavaScript fixes that bring…
2026/08/21 · 8分で読めますHow to Fix Cumulative Layout Shift (CLS) on Your Site
Why pages jump while loading, how CLS is calculated, how to find the elements that shift, and the fixes for images, ads, embeds, banners…
2026/08/20 · 8分で読めますHow to Fix a Slow Largest Contentful Paint (LCP)
A step-by-step way to fix slow LCP: find the LCP element, split the time into its four parts, and apply the fixes that make…