Skip to content

Google Tag Manager vs Sailthru

Based on 3213 and 47 real audits

View Google Tag Manager details | View Sailthru details
MetricGoogle Tag ManagerSailthruWinner
Performance4228Google Tag Manager
Accessibility8886Google Tag Manager
Best Practices8780Google Tag Manager
SEO9292Tie
Security6864Google Tag Manager
TTFB443ms183msSailthru
Composite7572Google Tag Manager
Performance
Google Tag Manager
42
Sailthru
28
Accessibility
Google Tag Manager
88
Sailthru
86
Security
Google Tag Manager
68
Sailthru
64
SEO
Google Tag Manager
92
Sailthru
92
Composite
Google Tag Manager
75
Sailthru
72

Google Tag Manager outperforms Sailthru in 5 of 7 categories, with a stronger composite score (75 vs 72). Sailthru leads in TTFB.

When to choose Google Tag Manager

Choose Google Tag Manager when your primary concern is performance and best practices. Its audit data shows consistent strength in these areas across the sampled sites.

When to choose Sailthru

Choose Sailthru when your primary concern is server response time. Its audit data shows consistent strength in these areas across the sampled sites.

How this comparison was built

Scores are medians across 3213 audited Google Tag Manager sites and 47 audited Sailthru sites in the BeaverCheck database. Every audit runs the same 100+ checks — Lighthouse performance, security headers, accessibility, SEO, server response time — against a real URL. No vendor input, no sponsorship, no affiliate links. Read the full methodology →

FAQ

Which is faster, Google Tag Manager or Sailthru?
Based on real BeaverCheck audits, Google Tag Manager sites score higher on Lighthouse performance (42 vs 28 on average).
Which has better security, Google Tag Manager or Sailthru?
Google Tag Manager sites score higher on security analysis (68 vs 64 on average).
Which has better accessibility, Google Tag Manager or Sailthru?
Accessibility scores measured by Lighthouse WCAG 2.1 checks favor Google Tag Manager (88 vs 86). Both technologies can be made fully accessible with care — the difference reflects common patterns in the sampled sites, not inherent platform limits.
Which is better for SEO, Google Tag Manager or Sailthru?
Google Tag Manager sites score higher on Lighthouse SEO signals (92 vs 92 on average), which cover meta tags, crawlability, mobile friendliness, and structured data. Content strategy and backlinks still matter more than platform choice for ranking.
Which has faster server response (TTFB), Google Tag Manager or Sailthru?
Sailthru sites show lower Time to First Byte (183 ms vs 443 ms on average). TTFB depends heavily on hosting and CDN setup rather than the technology itself, but the sampled sites suggest a meaningful difference in common deployment patterns.
Should I choose Google Tag Manager or Sailthru for my website?
Both platforms have trade-offs. Google Tag Manager scores higher on overall composite score while Google Tag Manager may excel in metrics you care about most. Run a free BeaverCheck audit on a real site using each to compare the metrics relevant to your use case.
Audit your own site

Send Feedback