SEO BRIEF (delete before publish)
Focus keyphrase: frontend performance
URL slug: frontend-performance-marketing-sites
Meta description: A practical guide to frontend performance for marketing and ad landing pages: Core Web Vitals, JavaScript optimization, TTFB, and conversion impact.
Search intent: Marketer/dev wants to make ad landing pages faster to improve conversions and ad ROI.
Secondary keywords: website speed optimization, javascript performance, page load speed
Internal links: link to /core-web-vitals-guide/, /reduce-javascript-execution-time/, /improve-ttfb/, /healthcare-landing-page-speed/
[Intro: 2-3 sentences. State the problem, who it affects, and the payoff of reading. Include the focus keyphrase naturally in the first 100 words.]
Why Frontend Performance Drives Revenue, Not Just Scores
[Speed -> conversions, bounce, ad Quality Score.]
The Metrics That Matter: Core Web Vitals, TTFB, TTI
[Define LCP, INP, CLS, TTFB, Time to Interactive.]
How JavaScript Slows Down Marketing Sites
[Render-blocking, bloated libraries, third-party scripts.]
Lean JS: Vanilla JS and Alpine.js vs Heavy Frameworks
[RxViz philosophy of lean execution.]
Making Tracking Pixels Fast and Reliable
[Bridge to tracking cluster.]
A Frontend Performance Checklist for Landing Pages
[Actionable checklist.]
Frequently Asked Questions
[FAQ.]