Observed Signal · Jul 14, 2026 · Technical Implementation · Source: DEV Community · Impact: 2/5 · Sentiment: Positive
Kapital.kz Improved Core Web Vitals to Green
A Musan Group engineering team optimized Kapital.kz (a high-traffic Next.js news site) to move Google's Core Web Vitals (LCP, INP, CLS) from poor to good. The work combined rendering-path cleanup and image/bandwidth prioritization to improve LCP; isolating and deferring ad scripts and removing heavy libraries from the main bundle to fix INP; and reserving ad space plus improving infinite-scroll height estimation to eliminate CLS. The team used real user monitoring data exported to BigQuery to identify the highest-impact pages, devices and network conditions, and also updated schema.org JSON-LD and fixed broken AMP versions to improve search eligibility and visibility. The article frames Core Web Vitals as a measurement-first discipline for technical SEO and publisher performance.
Practical, publisher-focused case study showing measurable Core Web Vitals fixes and use of BigQuery field data; useful to publishers and ad-monetization teams but not industry-shifting.
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Key Takeaways & Evidence Grounding
- Kapital.kz is a high-traffic Kazakhstan business and finance news portal built on Next.js.
- When the author joined Musan Group, LCP, INP, and CLS were all in Google's 'poor' (red) ranges on finance.kapital.kz.
- LCP was improved by removing blocking client-side work and prioritizing the hero image rendering path.
- INP was fixed by changing Google Ads script loading strategy and moving heavy libraries out of the initial JS bundle.
- CLS was reduced by reserving space for ad units and improving infinite-scroll height estimation; structured data (JSON-LD) and broken AMP fixes improved search visibility.
Connected Companies & Entities
1 Entity mapped“Google's Core Web Vitals directly influence how well those articles rank. (Also: "Google Ads scripts loaded incorrectly.")...”
Ontology Mapping & Concepts
Related Market Signals & Shifts
Recent verified developments and strategic activity across this market segment.
Website Optimization: SEO & Core Web Vitals (2026)
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Developer Guide to Core Web Vitals
This technical guide explains Google’s Core Web Vitals — LCP (Largest Contentful Paint), INP (Interaction to Next Paint), and CLS (Cumulative Layout Shift) — what each metric measures, common causes of poor scores, and concrete fixes. Recommended targets: LCP under 2.5s, INP under 200ms, and CLS under 0.1. The article emphasizes prioritizing fixes (LCP → INP → CLS), relying on field data (CrUX/Search Console) over single lab runs, and using tools such as PageSpeed Insights and the web-vitals library to collect real user metrics. Practical remediation advice includes image and font optimizations, server-side rendering, breaking up long JavaScript tasks, code-splitting, and reserving layout space for late-loading elements.
Core Web Vitals Optimization Guide for SaaS
A technical deep-dive explaining how Google’s Core Web Vitals — LCP, CLS and INP (which replaced FID in 2024) — affect SaaS SEO and conversions. The article provides concrete optimization techniques (resource preloading, streaming SSR, image and font optimizations, explicit media dimensions, task-splitting, lazy-loading and optimistic UI), measurement examples using the web-vitals library and Cloudflare Workers, and a Build vs Buy discussion. It includes example implementation snippets (TanStack Router/Start, Cloudflare Image Resizing, Cloudflare D1) and CI checks for performance budgets. The author cites expected impacts: improving Core Web Vitals to “good” typically yields 5–15% organic traffic uplift and 2–5% conversion rate improvement.
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