Historian captures your site daily — every banner, CTA, layout, and product page — then connects each change to its revenue impact. When conversion drops, we don't just flag the number. We show you the deployment that caused it, the euros it's costing, and exactly what to fix.

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Hero Banner Revenue Optimizer
Revenue Agent
The hero image deployed Tuesday correlates with a 12% drop in add-to-cart rate on mobile. Reverting to the previous version would recover estimated revenue immediately.
RecommendationCategory Performance Strategist
Strategy Agent
"Knitwear" generates 3.2× more revenue per visitor than "Dresses", yet sits in position 4. Moving top-performing categories above the fold would increase category page revenue by an estimated 8–14%.
RecommendationDaily Competitor Campaign Monitor
Competitive Agent
Your closest competitor dropped their free shipping threshold from €75 to €0 yesterday. Their promo bar now highlights it on every page. Your current threshold of €100 may be costing you mobile conversions.
CompetitiveHero Banner Revenue Optimizer
Bad Change Detector
Product Page Conversion Booster
Change Regression Detector
Competitor Promotion Analyser
Weekly Performance Strategist
Declining Interest Detector
Content Error Detector
Competitive Gap Identifier
Revenue Growth Advisor
Cart Abandonment Analyser
CTA Optimisation Advisor
Category Performance Strategist
Competitor Navigation & UX Spy
Seasonal Opportunity Scout
High-Traffic Revenue Leaker
Navigation Improvement Agent
Competitive Messaging Analyst
Traffic Mix Strategist
Organic Traffic Revenue Maximizer
Hero Banner Revenue Optimizer
Bad Change Detector
Product Page Conversion Booster
Change Regression Detector
Competitor Promotion Analyser
Weekly Performance Strategist
Declining Interest Detector
Content Error Detector
Competitive Gap Identifier
Revenue Growth Advisor
Cart Abandonment Analyser
CTA Optimisation Advisor
Category Performance Strategist
Competitor Navigation & UX Spy
Seasonal Opportunity Scout
High-Traffic Revenue Leaker
Navigation Improvement Agent
Competitive Messaging Analyst
Traffic Mix Strategist
Organic Traffic Revenue Maximizer
Hero Banner Revenue Optimizer
Bad Change Detector
Product Page Conversion Booster
Change Regression Detector
Competitor Promotion Analyser
Weekly Performance Strategist
Declining Interest Detector
Content Error Detector
Competitive Gap Identifier
Revenue Growth Advisor
Cart Abandonment Analyser
CTA Optimisation Advisor
Category Performance Strategist
Competitor Navigation & UX Spy
Seasonal Opportunity Scout
High-Traffic Revenue Leaker
Navigation Improvement Agent
Competitive Messaging Analyst
Traffic Mix Strategist
Organic Traffic Revenue Maximizer
Hero Banner Revenue Optimizer
Bad Change Detector
Product Page Conversion Booster
Change Regression Detector
Competitor Promotion Analyser
Weekly Performance Strategist
Declining Interest Detector
Content Error Detector
Competitive Gap Identifier
Revenue Growth Advisor
Cart Abandonment Analyser
CTA Optimisation Advisor
Category Performance Strategist
Competitor Navigation & UX Spy
Seasonal Opportunity Scout
High-Traffic Revenue Leaker
Navigation Improvement Agent
Competitive Messaging Analyst
Traffic Mix Strategist
Organic Traffic Revenue Maximizer
Hero Banner Revenue Optimizer
Bad Change Detector
Product Page Conversion Booster
Change Regression Detector
Competitor Promotion Analyser
Weekly Performance Strategist
Declining Interest Detector
Content Error Detector
Competitive Gap Identifier
Revenue Growth Advisor
Cart Abandonment Analyser
CTA Optimisation Advisor
Category Performance Strategist
Competitor Navigation & UX Spy
Seasonal Opportunity Scout
High-Traffic Revenue Leaker
Navigation Improvement Agent
Competitive Messaging Analyst
Traffic Mix Strategist
Organic Traffic Revenue Maximizer
Trusted by leading e-tailers
Bad Change Detector
Strategy Agent
expected uplift
The hero image deployed Tuesday correlates with a 12% drop in add-to-cart rate on mobile. Reverting to the previous version would recover estimated revenue immediately.
RecommendationKnow what to focus on
Strategy agents synthesise signals from across the platform into clear weekly and monthly direction. They answer the question every e-commerce director and optimisation lead faces on Monday morning: of everything that could be improved, what actually matters this week?
9 agents
Detects whether any page changes correlate with performance drops
Your Monday morning briefing — what changed, what matters, what to focus on
Ranks the highest-leverage revenue opportunities filtered by what's fixable
Spots upcoming commercial moments and tells you if the site is ready
Diagnoses over-reliance on any single channel and recommends diversification
Tracks whether the mobile gap is narrowing or widening — and why
Finds the category anomalies that wouldn't show up in a standard dashboard
Detects when a funnel step breaks and connects it to what changed
Audits navigation efficiency — is the site structure helping or hurting revenue?
Detects whether any page changes correlate with performance drops
Your Monday morning briefing — what changed, what matters, what to focus on
Ranks the highest-leverage revenue opportunities filtered by what's fixable
Spots upcoming commercial moments and tells you if the site is ready
Diagnoses over-reliance on any single channel and recommends diversification
Tracks whether the mobile gap is narrowing or widening — and why
Finds the category anomalies that wouldn't show up in a standard dashboard
Detects when a funnel step breaks and connects it to what changed
Audits navigation efficiency — is the site structure helping or hurting revenue?
Define the data sources, the logic, and the output format — in five simple steps.
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Every insight comes with the full chain of evidence: what changed, the data behind it, visual proof, a recommendation, and the revenue at stake.
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Type
Recommendation
Confidence
High
Revenue Impact
−129,138 DKK
mar. 13, 2026 at 14:34
Revert or replace the Bath-focused Hero banner on the homepage to recapture ~129,000 DKK in monthly attributed revenue.
Analysis of Hero Element Regression on Homepage
A significant performance regression was detected following a hero banner update on August 15, 2023. The change involved replacing a "Picnic Spread" lifestyle image with a "Bath Focus" product image.
Key Findings
Hero Element Performance
Click Drop
73.8%
Revenue Loss
129.1K
CUSUM Score
3,630
Breached
Visual Comparison
Pre-Change

Post-Change

How it starts
Install a lightweight script, point us at your domain — and we start crawling. Within 24 hours you'll have your first full site capture, and 38 agents will begin analyzing every page, product, and element. No configuration. No tagging plan. Just results.
Join leading e-commerce teams who use Historian's AI agents to find revenue, catch regressions, and outpace the competition — every single day.