Core Web Vitals Test for Pre-Launch Audit
Comprehensive security and optimization check before going live. This is a critical-priority scenario where having complete visibility into your website's security and performance is essential.
Fear of launching with security vulnerabilities is a common concern during this phase. FounderScan's core web vitals test gives you peace of mind with comprehensive analysis across all critical areas.
Our 6+ specialized scanners work together to provide a complete picture of your website's health. We analyze largest contentful paint (lcp) measurement, cumulative layout shift (cls) analysis, interaction to next paint (inp) testing, and more.
Typical fixes take 2-5 days once you know what needs attention. The key is identifying issues quickly and prioritizing them correctly - which is exactly what FounderScan does.
What We Analyze
Largest Contentful Paint (LCP) measurement
Comprehensive analysis of largest contentful paint (lcp) measurement with industry-leading detection algorithms
- Automated scanning with 6+ specialized tools
- Detailed fix instructions included
- Prioritized by severity and impact
Cumulative Layout Shift (CLS) analysis
Comprehensive analysis of cumulative layout shift (cls) analysis with industry-leading detection algorithms
- Automated scanning with 6+ specialized tools
- Detailed fix instructions included
- Prioritized by severity and impact
Interaction to Next Paint (INP) testing
Comprehensive analysis of interaction to next paint (inp) testing with industry-leading detection algorithms
- Automated scanning with 6+ specialized tools
- Detailed fix instructions included
- Prioritized by severity and impact
First Contentful Paint (FCP) tracking
Comprehensive analysis of first contentful paint (fcp) tracking with industry-leading detection algorithms
- Automated scanning with 6+ specialized tools
- Detailed fix instructions included
- Prioritized by severity and impact
Time to Interactive (TTI) measurement
Comprehensive analysis of time to interactive (tti) measurement with industry-leading detection algorithms
- Automated scanning with 6+ specialized tools
- Detailed fix instructions included
- Prioritized by severity and impact
Mobile vs desktop comparison
Comprehensive analysis of mobile vs desktop comparison with industry-leading detection algorithms
- Automated scanning with 6+ specialized tools
- Detailed fix instructions included
- Prioritized by severity and impact
How It Works
Run Your Free Scan
Enter your website URL for a comprehensive pre-launch audit analysis. Perfect timing: 1-2 weeks before launch. Scan completes in under 3 minutes.
Review Your Results
See your overall score and get a preview of issues found. The free scan shows you issue counts and severity levels across all 25% of this analysis category.
Unlock Detailed Analysis
Given the critical priority of pre-launch audit, getting detailed fix instructions is crucial. Typical fixes take 2-5 days.
Implement Fixes
Follow our detailed instructions to fix each issue. Most critical fixes take just hours to implement. Track your progress and re-scan anytime to verify fixes.
Maintain & Monitor
Run regular scans to catch new issues early. Website security and optimization is ongoing - quarterly scans help maintain your security posture and performance.
Common Issues We Find
Missing or Misconfigured Largest
criticalOne of the most common issues we find is improper largest contentful paint (lcp) measurement configuration
Impact: High - Can lead to security breaches or compliance violations
Outdated Cumulative Implementation
mediumMany sites have outdated cumulative layout shift (cls) analysis that don't meet current standards
Impact: Medium - Reduces effectiveness and may fail audits
Poor Interaction Optimization
mediumSuboptimal interaction to next paint (inp) testing leads to missed opportunities
Impact: Medium - Missed optimization potential
Frequently Asked Questions
How long does a core web vitals test take?
FounderScan's automated core web vitals test completes in under 3 minutes. We use 6+ specialized scanners running in parallel to analyze your entire site quickly and thoroughly.
What do I get with the free scan?
The free scan shows you the total number of issues found, your overall score, and severity breakdown. You'll see exactly how many critical, medium, and low-severity issues exist in largest contentful paint (lcp) measurement, cumulative layout shift (cls) analysis, and other areas.
What's included in the paid report?
For one affordable payment, you get detailed fix instructions for every issue found, including code examples, step-by-step remediation guides, and prioritization by severity. Each issue explains what's wrong, why it matters, and exactly how to fix it.
How often should I run a core web vitals test?
We recommend quarterly scans for most businesses to catch new vulnerabilities and ensure ongoing optimization. If you're actively developing or making changes, monthly scans provide better coverage.
Is this scan suitable for pre-launch audit?
Absolutely! This is a critical-priority scenario where comprehensive analysis is essential. Launch with confidence is exactly what FounderScan helps you achieve. Typical fixes take 2-5 days once you have the detailed report.