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URL: https://spideraf.com/sitescan

⇱ SiteScan | Website Script Security Scanner by Spider AF


Monitor Every Third-Party Script on Your Website

Over 94.5% of websites rely on third-party scripts β€” and many aren't fully monitored.

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Safeguard your site’s performance and security with SiteScan.

Can you spot the gaps in your marketing?

Hidden risks lurk behind the everyday tools you rely on.
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Outdated jQuery Risk
Legacy jQuery libraries can expose your site to injection, tampering, or data leakage through known vulnerabilities.
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Neglected GTM Threat
Residual tags and test scripts in GTM may be exploited for unauthorized data access or code injection.
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No-Code Leak Risk
Embedded no-code tools may initiate unauthorized external communication, potentially exposing sensitive user information.
Request a Free Scan
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Security Risks

Cybercriminals are more sophisticated than ever β€”
and traditional defenses aren't enough.
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Formjacking / Magecart Attacks:
Hackers inject malicious code into checkout pages to steal card details
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Unmonitored GTM Containers:
Complex Google Tag Manager setups make it hard to catch unauthorized script changes
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Vulnerable Third-Party Vendors:
Even trusted tracking scripts and ad tags can leak your customers' data without warning

Performance Risks

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3rd-Party Scripts Slow Sites Down
Unoptimized scripts can drag page speed and hurt UXβ€”just a 2-second delay can raise bounce rates by 32%.
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Data Leaks Start with Scripts
Even if you don’t store customer data, leaks through 3rd-party scripts can lead to brand damage and compliance risks.
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Is Tag Management Holding You Back?
Manual oversight of 3rd-party scripts can bottleneck marketing campaigns and slow collaboration with your dev team.
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SiteScan

Empowers both security and
marketing teams to stay in control.
Request a Free Demo
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SiteScan

Empowering security and marketing teams to stay in control.
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Instantly spot and manage scripts slowing down your site.
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Easily update script approvals through a simple dashboard.
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Save time and effort with streamlined PCI DSS 4.0.1 compliance.
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Block unknown or risky scripts before they can cause trouble.

Customer Success Story

Spider AF helps us stay secure while we optimize our site and scale our marketing efforts
I oversee the full scope of our website operations from ongoing improvements to driving traffic. Security has always been a priority, and we’re committed to building a site that stays ahead of potential risks.

Using Spider AF’s free SiteScan gave us clear, visual insights into the scripts running on our site. It revealed hidden vulnerabilities and helped us identify areas we hadn’t previously monitored as closely.

Spider AF is now a key part of our ongoing security strategy, and for any business that handles personal data, it’s a smart and valuable layer of protection.
Spider AF helps us stay secure while we optimize our site and scale our marketing efforts
I oversee the full scope of our website operations from ongoing improvements to driving traffic. Security has always been a priority, and we’re committed to building a site that stays ahead of potential risks.

Using Spider AF’s free SiteScan gave us clear, visual insights into the scripts running on our site. It revealed hidden vulnerabilities and helped us identify areas we hadn’t previously monitored as closely.

Spider AF is now a key part of our ongoing security strategy, and for any business that handles personal data, it’s a smart and valuable layer of protection.

Why Teams Choose SiteScan

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Control scripts. Protect users
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Easy Setup
Just one line of code to start full script management.
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Instant Script Detection
Detect and block script changes as soon as they execute without slowing your site.
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Script Relationship Mapping
Easily see how changes impact other tags for safer script management.
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AI Script Insights
AI explains script functions and risks, enabling safe, stress-free handling.
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Performance Boost
Eliminate drag on page speed and deliver faster, smoother experiences.

Maximize Your Marketing Impact with SiteScan

One Dashboard,
All Insights.

Consolidate metrics usually spread across multiple tools.
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Tag Load Speed
Identify which tags are slowing you down
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Page Load Speed
Find bottlenecks on key pages like LPs and product pages
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Tag Execution Tracking
Spot unnecessary reloads and signs of unauthorized activity
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SEO & Performance Scores
Easily measure your campaign results and reporting metrics
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Real-Time Threat Monitoring

Identify threats instantly and respond swiftly to prevent losses and protect valuable conversions.
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Secure Your Payment Pages

Visualize your PCI DSS 4.0.1 compliance status, protect your brand, and reinforce customer trust.

What Is PCI DSS 4.0.1?

PCI DSS 4.0.1 is the latest global standard for protecting cardholder data online.
It especially strengthens requirements around client-side script monitoring β€” making it critical for modern websites to stay compliant and secure

SiteScan Feature
Overview

Practical and responsive protection for Client-Side and Supply Chain Security
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Easy Deployment: Start Protection Instantly with a Few Lines of Code
Client-side script monitoring can be activated immediately without modifying your existing site architecture.

No complex server configurations are requiredβ€”ideal for marketing-led implementation.
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Instant Script Detection & Automatic Inventory
Automatically detects and inventories all JavaScript resources loaded on the site, including first-party, third-party, and injected scripts.

Tracks each script’s source, signature, execution frequency, and load timing to provide full visibility into client-side behavior.
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Active Blocking: Real-Time Security Enforcement
Detects script tampering and responds immediately to unauthorized script insertionsβ€”even those that bypass traditional CSP or SRI protections. Ensures compliance with PCI DSS 4.0 requirements (6.4.3 / 11.6.1) by blocking unapproved scripts on the fly.

Prevents client-side attacks such as Magecart, Formjacking, and JavaScript-based Web Skimming before they can impact users.
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Enhance Granular Policy Control & Visibility
Supports script-level whitelisting, version control, and integrity checks using known hashes.

Enables granular controls such as limiting read access to form fields or blocking event listeners on sensitive inputs, helping enforce Zero Trust principles at the client layer.
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Automated Alerts & Incident
Response
Detects anomalies such as changes in script hashes, appearance of new domains, or abnormal execution frequencies.

Provide instant alerts via email or Slack, enabling both marketing and security teams to respond quickly and collaboratively.
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Compliance Logging & Audit
Support
Generates detailed logs of scanned and blocked third-party scripts to support PCI DSS audit readiness.

Provides a traceable compliance trail for internal and external stakeholders.
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Performance Monitoring & Optimization
Supports SEO scores (Lighthouse-equivalent) and Core Web Vitals metrics (LCP, FCP, CLS, TTI) to help improve user experience and site performance.
Visualizes script load speed, execution count, and activity rate on a per-tag or per-page basis.