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🔷 Core Web Vitals Kya Hote Hain?

Core Web Vitals 3 main metrics hote hain jo kisi web page ki loading speed, interaction aur visual stability ko measure karte hain:

Metric	Full Name	Kya Measure Karta Hai
✅ LCP	Largest Contentful Paint	Page ka main content kitni der me load hota hai
✅ FID	First Input Delay	User ke pehle click ka response kitni jaldi milta hai
✅ CLS	Cumulative Layout Shift	Page ka layout load ke time kitna hilta hai

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🔍 1. LCP (Largest Contentful Paint)

🧾 Kya Hai:

Page ka main image ya text block kitni der me screen par dikhta hai.

✅ Achha Score:

⏱ 2.5 seconds se kam

❌ Common Problems:

• Slow server

• Badi images

• Heavy CSS/JS files

🔧 Optimization Tips:

• Images ko compress karo (WebP format use karo)

• Lazy load karo

• Fast hosting ya CDN use karo

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🔍 2. FID (First Input Delay)

🧾 Kya Hai:

User ne jab pehli baar click ya tap kiya, uske baad browser ne kitni der me respond kiya.

✅ Achha Score:

⏱ 100ms se kam

❌ Common Problems:

• Heavy JavaScript

• Blocked main thread

🔧 Optimization Tips:

• JavaScript files ko split karo

• Unused JS remove karo

• Async/Defer ka use karo

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🔍 3. CLS (Cumulative Layout Shift)

🧾 Kya Hai:

Page ka content load ke time kitna hilta ya shift hota hai.

✅ Achha Score:

📉 0.1 se kam

❌ Common Problems:

• Images ke size define na karna

• Ads ya popups ke sudden shift

🔧 Optimization Tips:

• Image aur video ke width aur height fix karo

• Fonts ko preload karo

• Layout shifts se bachein (e.g., ad slots ko fix size do)

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🔧 Core Web Vitals Check Karne Ke Tools:

Tool	Use
✅ Google PageSpeed Insights	Web vitals + suggestions deta hai
✅ Google Search Console	CWV ka site-wide report deta hai
✅ Lighthouse (Chrome DevTools)	Local testing & score deta hai
✅ Web.dev	In-depth performance report

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📈 Core Web Vitals Optimization Karne Se Fayda:

• ✅ Google ranking improve hoti hai

• ✅ Bounce rate kam hota hai

• ✅ User experience better hota hai

• ✅ Mobile users ka performance better hota hai

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📌 Summary (1 Line Mein):

Core Web Vitals Optimization ka matlab hai aapki site ko itna fast, responsive aur stable banana ki user ko best experience mile aur Google aapki site ko ranking mein upar le aaye.

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