Based on 188 and 4 real audits
| Metric | Google Tag Manager | Yahoo Advertising | Winner |
|---|---|---|---|
| Performance | 39 | 23 | Google Tag Manager |
| Accessibility | 90 | 88 | Google Tag Manager |
| Best Practices | 89 | 73 | Google Tag Manager |
| SEO | 93 | 88 | Google Tag Manager |
| Security | 64 | 59 | Google Tag Manager |
| TTFB | 295ms | 430ms | Google Tag Manager |
| Composite | 73 | 70 | Google Tag Manager |
Google Tag Manager outperforms Yahoo Advertising in 7 of 7 categories, with a stronger composite score (73 vs 70). Yahoo Advertising leads in no categories.
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