Blog & Guides

The CRO&SUM Research Hub

Engineering guidelines, conversion strategies, anti-abuse checks, and infrastructure analysis written by our auditing practitioners.

+34% Signup
CRO Focus
CRO6 min read

How CRO Audits Increased Trial Signups by 34%

A step-by-step breakdown of the structured audit process that identified 5 high-impact signup funnel issues and how they were resolved.

ER
Elena Rostova
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Vulnerability
Security Focus
Security8 min read

10 Most Common Security Vulnerabilities in Modern SaaS Applications

A compilation of the recurring security vulnerabilities we uncover during security audits, from missing headers to exposed debug tools.

MT
Marcus Thorne
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99.97% Uptime
SUM Focus
SUM5 min read

Why Site Uptime & Monitoring (SUM) Saves Marketing Budget

Downtime is expensive. We analyze how a 94.1% uptime failure burned a publisher's budget and how automated synthetic monitors solved it.

DC
David Chen
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Audit Review
Product Updates Focus
Product Updates4 min read

Platform Update: Introducing Synthetic User Journeys & Custom Webhooks

Learn how to build and record custom multi-step user actions in our dashboard to monitor checkout, login, and registration flows automatically.

SJ
Sarah Jenkins
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Audit Review
Case Studies Focus
Case Studies7 min read

Case Study: Reducing Checkout Friction by 21% for E-commerce

How a structured review of mobile payments and layout issues helped an e-commerce retailer reclaim abandoned cart revenue.

ER
Elena Rostova
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CRO Focus
CRO5 min read

A/B Testing Best Practices: Moving Beyond Guesswork

Stop testing random button colors. Learn how to formulate robust conversion hypotheses based on quantitative audit indicators.

ER
Elena Rostova
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Vulnerability
Security Focus
Security9 min read

Understanding CSP: The Ultimate Defense Against XSS Attacks

What is Content Security Policy and why is it the most effective tool to lock down front-end scripts? A practical integration guide.

MT
Marcus Thorne
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99.97% Uptime
SUM Focus
SUM6 min read

Synthetic Monitoring vs. Real User Monitoring (RUM)

What is the difference between RUM and synthetic tests? Learn when to use automated tests versus actual browser monitoring scripts.

DC
David Chen
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Audit Review
Product Updates Focus
Product Updates3 min read

Platform Update: Security Audits Now Include API Endpoint Scanning

Our security engine can now parse OpenAPI schemas and automatically scan API routes for authentication and validation risks.

SJ
Sarah Jenkins
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Audit Review
Case Studies Focus
Case Studies6 min read

Case Study: Eliminating Bot Registration Spam on a SaaS Portal

How a security audit found registration loopholes exploited by botnets and reduced fake accounts by 82%.

MT
Marcus Thorne
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+34% Signup
CRO Focus
CRO5 min read

Typography and UX: Making Your SaaS Application Readable

How font sizes, line heights, and layout spacing impact cognitive load and keep users on your website longer.

ER
Elena Rostova
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Vulnerability
Security Focus
Security7 min read

Securing JWTs in Single Page Applications

Where should you store token secrets? LocalStorage vs. HttpOnly cookies. We analyze the security implications of each approach.

MT
Marcus Thorne
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99.97% Uptime
SUM Focus
SUM6 min read

CDN Routing and Global Latency: Tuning Performance

How geo-routing issues cause loading latency for international users and how to audit your DNS structure.

DC
David Chen
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Audit Review
Product Updates Focus
Product Updates3 min read

Platform Update: Enhanced Pricing & Plan Management Controls

Agencies and teams can now allocate and split audit limits, project pools, and team permissions across client projects directly.

SJ
Sarah Jenkins
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Audit Review
Case Studies Focus
Case Studies5 min read

Case Study: Recovering 3.8% Uptime with DNS Failover Routing

How a publisher detected DNS failures using SUM monitoring and deployed a failover configuration to recover revenue.

DC
David Chen
Read Guide →