📰 Dev.to · Kui Luo
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Dev.to · Kui Luo
18h ago
The CTR cliff nobody warns you about: data from 1,684 pages and 100 Google clicks
I run a content site with 1,684 published pages. Over the past 28 days, Google showed those pages...
Dev.to · Kui Luo
18h ago
I Published 1,971 Articles and Got 19 Clicks From Google — The Raw Data
I run a small independent e-commerce site selling crystal jewelry. Over the past 14 months, I've...
Dev.to · Kui Luo
23h ago
I Audited 100 Sites - JavaScript Bundle Size Is the #1 Performance Killer
Most JavaScript applications ship far more code than necessary. The average web page loads 1.7 MB of...
Dev.to · Kui Luo
3d ago
How to Find and Fix 7 Hidden Performance Bottlenecks in Your JavaScript Code
How to Find and Fix 7 Hidden Performance Bottlenecks in Your JavaScript Code Running a slow web app?...
Dev.to · Kui Luo
4d ago
How to Check Core Web Vitals in 10 Minutes
You don't need expensive tools to check your Core Web Vitals. Here's a practical approach to auditing...
Dev.to · Kui Luo
5d ago
How to Check Your Website's Core Web Vitals in 5 Minutes
Most developers check Core Web Vitals once, see green scores, and never look again. That's a mistake...
Dev.to · Kui Luo
6d ago
How to Audit Your Website's Core Web Vitals in Under 10 Minutes
Core Web Vitals measure three things: how fast your largest content element paints (LCP), how long...
Dev.to · Kui Luo
1w ago
How to Audit Your CSS for Unused Rules and Reduce Load Time by 60%
Every CSS file ships rules that never match a single element on the page. In my recent audit of a...
Dev.to · Kui Luo
1w ago
How to Audit Your Website's Core Web Vitals in Under 10 Minutes
Core Web Vitals directly impact your search rankings. Google confirmed in March 2024 that page...
Dev.to · Kui Luo
1w ago
How to Debug Slow Page Loads Using Browser DevTools: A Step-by-Step Guide
Slow page loads cost you visitors. 53% of mobile users abandon sites that take longer than 3 seconds...
Dev.to · Kui Luo
1w ago
How to Find and Fix 11 Common SEO Issues Using Chrome DevTools
Search engine optimization doesn't require expensive tools. Your browser's built-in developer tools...
Dev.to · Kui Luo
2w ago
How to Measure and Improve Core Web Vitals for Better SEO Rankings
Core Web Vitals directly impact your search rankings. Since 2021, Google uses page experience signals...
Dev.to · Kui Luo
⚡ AI Lesson
2w ago
How to Debug JavaScript Like a Senior Developer in 2025
The fastest way to fix JS bugs isn't more logging — it's knowing which tool to reach...
Dev.to · Kui Luo
3w ago
How to Audit Page Speed in 5 Minutes Using Chrome DevTools
Page speed directly impacts search rankings. Google's 2024 data shows pages loading under 2.3 seconds...
Dev.to · Kui Luo
3w ago
How to Measure and Improve Core Web Vitals in Under 30 Minutes
Core Web Vitals directly impact your search rankings and user experience. Google confirmed in 2024...
Dev.to · Kui Luo
🌐 Frontend Engineering
⚡ AI Lesson
3w ago
How to Cut Your CSS File Size by 40% Without Losing Any Styles
Most websites ship CSS that's 2-3x larger than necessary. After auditing over 50 production sites, I...
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