Based on 19 and 63 real audits
| Metric | DoubleClick Floodlight | Google Tag Manager | Winner |
|---|---|---|---|
| Performance | 32 | 41 | Google Tag Manager |
| Accessibility | 86 | 89 | Google Tag Manager |
| Best Practices | 82 | 88 | Google Tag Manager |
| SEO | 91 | 92 | Google Tag Manager |
| Security | 66 | 65 | DoubleClick Floodlight |
| TTFB | 209ms | 395ms | DoubleClick Floodlight |
| Composite | 72 | 74 | Google Tag Manager |
Google Tag Manager outperforms DoubleClick Floodlight in 5 of 7 categories, with a stronger composite score (74 vs 72). DoubleClick Floodlight leads in security, TTFB.
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