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SealMetrics
Blog

Thinking about analytics, done properly.

Data quality, attribution, privacy regulation, and the future of measurement. Written for marketing and analytics leaders.

Data Quality8 min

Why GA4 Shows 13% of Your EU Traffic

GA4 loses data at three levels: consent rejection, ad blockers, and browser restrictions. The result is roughly 13% of real EU traffic. Here is the math.

Privacy5 min

Every Cookie Set by Every Major Analytics Tool, Cataloged

We cataloged every cookie from 9 analytics tools using vendor docs and DevTools. GA4 sets 2 first-party cookies. Adobe sets 6. SealMetrics sets 0.

Privacy4 min

Your Analytics Tool Contacts 7 Domains. Here Is Why That Matters.

Every external domain is a DNS lookup, a privacy risk, and a GDPR liability. We mapped every domain contacted by 9 analytics tools.

Data Quality5 min

When Your Analytics Starts Guessing: Data Sampling Thresholds Compared

GA4 starts sampling at 10M events in Explorations. Adobe varies by contract. Piwik PRO: optional. SealMetrics: never. We documented every threshold.

Performance3 min

The Hidden Conversion Killer: How Analytics Scripts Are Costing You Sales

Heavy analytics scripts slow your site, consent banners hide visitors, and ad blockers erase data. The compound effect is costing you conversions.

Performance4 min

We Measured Every Analytics Script. Here Is What We Found.

We downloaded major analytics scripts from production CDNs and measured their real size. GA4 is 52x heavier than SealMetrics.

Regulation2 min

UK Analytics Exemption Is Now Live: Our PECR Self-Assessment

The DUAA 2025 exempts certain analytics from consent requirements in the UK. We published our self-assessment showing how SealMetrics qualifies.

Data Quality7 min

GA4 Data Sampling: Why Your Traffic Numbers Are Wrong

GA4 applies data sampling when traffic exceeds certain thresholds. Here is how it works, why it matters, and what you can do about it.

Regulation2 min

The EU Digital Omnibus: What It Means for Cookie Banners and Analytics

The European Commission proposed the biggest change to EU data law since GDPR. Cookie consent moves to GDPR, and first-party analytics may not require consent.

Regulation6 min

The EU Digital Omnibus Explained: What Every Marketer Needs to Know in 2026

Cookie banners could vanish for 60% of websites. First-party analytics gets explicit legal authorization. A deep dive into COM(2025) 837 and what to do now.

Regulation2 min

We Published Our CNIL Self-Assessment

The French CNIL allows certain analytics tools to operate without cookie banners. We documented how SealMetrics meets all 14 technical criteria.

Technology8 min

Cookieless Analytics Explained: How to Measure Without Cookies

Cookies are disappearing. Learn how cookieless analytics works, why it captures more data, and what it means for GDPR compliance.

Data Quality6 min

How Consent Banners Destroy Your Analytics Data

35% of EU visitors reject cookies. That means 35% of your traffic is invisible. Here is the real impact on attribution, conversions, and revenue reporting.

AI & Analytics5 min

AI Agent Traffic: The Invisible Channel Your Analytics Miss

GPT, Claude, Perplexity, and Google AI Overviews are sending traffic to your site. Traditional analytics cannot see it. Here is why it matters.

Attribution7 min

Why Multi-Touch Attribution Fails Without Complete Data

Your attribution model is only as good as the data feeding it. When 87% of touchpoints are missing, every attribution conclusion is wrong.

Technology8 min

What Is Cookieless Tracking? A Complete Guide for 2026

Cookieless tracking captures visitor behavior without browser cookies. Learn how it works, why it matters for GDPR compliance, and how it compares to traditional analytics.

Data Quality7 min

What Is Data Loss in Analytics? Causes, Impact, and Solutions

Analytics data loss is the gap between real traffic and reported traffic. Learn the four causes, quantify the impact, and understand how to eliminate it.

Comparisons8 min

GA4 Alternatives for Enterprise: A 2026 Comparison

GA4 works for small sites. Enterprise needs more. Compare GA360, Adobe Analytics, Piwik PRO, and SealMetrics on data capture, compliance, and cost.

Regulation7 min

GDPR-Compliant Analytics Without Consent Banners: How It Works

Consent banners are not always required for analytics. Learn the legal basis, technical requirements, and which analytics tools qualify under GDPR and ePrivacy.