TL;DR

As e-commerce environments become increasingly complex due to cloud adoption, third-party integrations, and AI-driven development, organizations often lose visibility into what is actually happening across their systems. Traditional monitoring tools provide insight into infrastructure health but fail to answer the most important business question: can customers successfully complete a purchase?

Issues affecting checkout flows, payment gateways, shopping carts, or user sessions often remain undetected even when all technical indicators appear healthy. As organizations grow, they gain more monitoring tools and data, but not necessarily a complete view of the customer journey.

At the same time, regulatory requirements such as PCI DSS 4.0 and NIS2, along with the growing threat landscape, make visibility not only an operational concern but also a cybersecurity and compliance requirement.

TestCLIX addresses this challenge through synthetic monitoring, simulating real user behavior in a browser and continuously testing critical business processes such as product browsing, login, cart functionality, and checkout. This enables organizations to detect issues before customers encounter them and before they result in lost revenue.

Complexity is growing faster than the ability to understand it

Most organizations are expanding their systems faster than they are developing the ability to fully understand them — and AI models that build or co-create these systems are only accelerating that gap. Infrastructure keeps evolving, with new integrations, cloud services, and external dependencies constantly appearing. The complexity of modern environments is increasing faster than ever before. The problem is that, along with this growth, organizations can easily lose something fundamental: visibility.

In e-commerce, this issue is especially visible. Every online store, regardless of size, is essentially a distributed system: frontend, shopping cart, payment gateway integration, warehouse systems, logistics providers, marketing tools, analytics scripts, CRM and ERP integrations.

Even relatively simple online stores today rely on dozens of external services, each of which can start malfunctioning at any moment. The real question is no longer “is the server responding?”, but rather: do we actually know what is happening inside our system, and can the customer truly use it?

Visibility looks different depending on scale

Visibility is not a single, universal concept. It looks completely different in a small store managed by a few people, in a mid-sized company with its own IT department, and in a large platform with dedicated SRE teams.

Small online stores and the most important question: “is the website working?”

In small e-commerce environments, visibility usually comes down to basic uptime monitoring. This approach is enough to detect obvious outages, but it misses most real-world problems: a shopping cart working only on desktop, a payment script failing to load in a specific browser, sessions expiring during checkout, or broken integrations after a JavaScript update.

In such situations, customers usually do not report the issue — they simply close the tab and move to a competitor.

Mid-sized e-commerce: more tools, less complete visibility

At the level of a mid-sized e-commerce company, the situation changes quantitatively, but not always qualitatively. Dedicated IT teams appear, infrastructure monitoring is implemented, sometimes real user monitoring as well. Each tool sees only its own fragment of reality: API response times, frontend performance, infrastructure metrics — but nobody sees the entire customer journey from the perspective of “can the customer actually complete the purchase?”

This creates a paradoxical situation: the company has far more data than a small store, yet still learns about critical issues from customer support calls or social media complaints.

Large enterprise e-commerce: the tools exist, but fragmentation remains

In a large e-commerce organization — an online retail chain, marketplace, or multi-brand platform — scale forces the use of specialized solutions. Organizations implement technologies such as CNAPP (Cloud Native Application Protection Platform) or Palo Alto Prisma Cloud, capable of providing visibility across cloud infrastructure, containers, permissions, and code security simultaneously in AWS, Azure, and GCP environments. Without these specialized platforms, securing large organizations is simply impossible. Traditional monitoring does not scale in environments with hundreds of microservices and dozens of integrations.

However, even in these advanced environments, the same gap appears — only more visibly. Every technical layer shows green indicators, yet customers still fail to complete purchases.

The cost of lacking visibility in e-commerce

Lack of visibility is expensive at every scale, but in e-commerce the consequences are especially brutal because issues immediately impact conversion rates. According to the ITIC 2024 Hourly Cost Of Downtime report, an hour of downtime exceeds $300,000 for more than 90% of mid-sized and large enterprises, while in retail the losses can reach millions. Meanwhile, Baymard Institute data shows that nearly 70% of e-commerce shopping carts are abandoned on average. Some of these abandoned purchases are not caused by customers changing their minds, but by broken forms, payment integration failures, or pages loading too slowly.

A recent AWS outage provides an excellent example. The incident lasted over 14 hours and caused disruptions across dozens of e-commerce platforms — from payment gateways to marketplaces. The root cause was a race condition in an internal DNS mechanism: a single external dependency that effectively disrupted online checkout systems globally.

Technical visibility vs. business visibility

Most tools organizations implement provide technical visibility — component status, response times, and resource consumption. This information is necessary and useful, but it answers the question “how is the system operating?” rather than “can the customer actually use it?”

These are two completely different questions requiring different categories of tools.

• The first requires infrastructure monitoring, APM, and real user monitoring.
• The second requires functional monitoring, known in Gartner terminology as part of the Digital Experience Monitoring category.

Gartner defines Digital Experience Monitoring as a class of tools focused on understanding the actual user experience, unlike platforms designed primarily to understand internal application behavior.

In practice, functional monitoring works quite simply. A script launches inside a real browser at defined intervals and performs the exact same steps a customer would: visiting the website, adding products to the cart, logging in, and completing payment. If any step fails, the organization is notified before customers even notice the issue.

Regulations are forcing visibility requirements

Regardless of scale, e-commerce increasingly operates within a regulatory environment that requires visibility. PCI DSS version 4.0, fully enforced since March 31, 2025, requires monitoring scripts on payment pages (requirement 11.6.1) and explicitly references synthetic monitoring as one acceptable control mechanism.

Poland’s implementation of the NIS2 Directive through the amendment to the National Cybersecurity System Act came into force on April 3, 2026, and also applies to key digital infrastructure operators.

Visibility is now also a cybersecurity issue

Modern e-commerce environments are among the most frequently attacked types of infrastructure. The reason is simple: this is where customer data, payment processes, and direct revenue are located. The challenge is that many modern security incidents no longer resemble a classic cyberattack. Much more often, organizations only notice lower conversion rates, slower checkout performance, or isolated customer complaints.

According to Cloudflare reports, the e-commerce sector is consistently among the industries most targeted by DDoS attacks, API abuse, and application-layer attacks. Meanwhile, Imperva data indicates that more than 30% of e-commerce traffic may originate from malicious bots attempting account takeovers, credential stuffing, and abuse automation.

The beginning of an incident often looks like a normal operational anomaly. Unexpected checkout slowdowns, sudden spikes in login failures, shopping cart instability on selected devices, or payment integration issues may indicate either technical problems or the first signs of malicious activity.

This is why observing what actually happens on the website and continuously testing the full customer journey is now part of cybersecurity — not merely application performance monitoring. Organizations that cannot see application behavior from the customer’s perspective often discover problems only after users stop completing purchases or after a security incident is already being actively exploited.

TestCLIX – visibility from the customer’s perspective

TestCLIX simulates real user behavior inside an actual browser. It executes the entire purchasing journey — visiting product pages, adding items to the cart, logging in, completing checkout, and finalizing payments — while accounting for all the components most likely to cause issues: third-party scripts, dynamically loaded components, authentication mechanisms, and payment system integrations. Tests are recorded like videos and can be edited without coding, meaning organizations do not require dedicated SRE teams or enterprise-level observability budgets.

This matters because synthetic monitoring has historically been available mainly to large enterprises with the budget for enterprise-grade observability platforms. TestCLIX makes this layer of visibility accessible to small and mid-sized online stores — organizations that often lack the resources to quickly detect silent failures, yet suffer the most when customers fail to complete purchases.

Most problems in e-commerce are not caused by systems going completely offline. Much more often, everything appears healthy — services respond correctly, traditional monitoring shows no alerts, yet customers still abandon purchases because forms fail to load or sessions expire unexpectedly. TestCLIX allows organizations to identify that exact moment and react before it translates into lost revenue.

If you want to see where your customers are actually encountering issues — especially the ones invisible to traditional monitoring — contact us.