Platform Comparison

Webflow vs Custom

Webflow leads
54.4
Webflow
WINNER
51.9
Custom

Score Summary

Avg AI Readability
57.5 52.3
Avg Security
50.9 37.3
Avg Efficiency
54.7 56.8
Avg Total Score
54.4 51.9
Avg Structure
64.5 47.2
Avg Load Complexity
50.2 67.7
Avg Lighthouse
48.9 55.1
Best Site Score
66.4 87.6
Worst Site Score
31.6 15.7
Webflow Custom

Performance by Industry

Average total score for each platform within shared industries.

Industry Webflow Custom
Architecture — —
Content Creation — —
Corporate-personal — —
Design — —
Photography — —

Comparison Insights

Overall Verdict

Webflow holds a modest 2.5-point lead over Custom. The difference is real but not decisive.

Dimension Edge

Webflow leads in: AI Readability, Security, Structure. Custom leads in: Efficiency, Load Complexity, Lighthouse. Each platform has distinct strengths in different dimensions.

Opportunities for improvement
  • Webflow could target Efficiency, Load Complexity, Lighthouse to close the gap.
  • Custom could target AI Readability, Security, Structure to improve.

Industry-by-Industry Results

The platforms split industry wins evenly across 5 shared verticals - the overall score gap may be driven by a few outlier sites rather than a consistent pattern.

Sample Size Consideration

Custom has 13.5× more audited sites than Webflow. Larger samples surface more variation and may pull averages toward the mean, so this comparison should be read with that in mind.