cside vs DIY CSP + SRI

cside

cside.com

Analyzed September 21, 2026

Depends

Confidence: Medium

Buy if you run payment pages or heavy third-party scripts and need PCI DSS 6.4.3/11.6.1 evidence . the permanent free tier makes trying it nearly free.

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DIY CSP + SRI

cside.com

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Pick cside when

E-commerce and payment pages
PCI DSS 4.0.1 (6.4.3/11.6.1) compliance
Sites with many third-party scripts
Fraud and account-takeover exposure

When cside is not a fit

Static sites with no payments or third-party scripts
Buyers wanting full AppSec or vendor-risk coverage . browser layer only
Risk-averse enterprises needing a large, proven vendor . this is a 23-person startup
Anyone who only needs a one-time script audit, not ongoing monitoring

Sources

cside Reviews 2026: Details, Pricing, & Featuresg2.com
review
AWS Marketplace: csideaws.amazon.com
review
cside Reviews in 2026sourceforge.net
review
cside Pricing 2026capterra.com
review
Pricing | cside docsdocs.cside.com
official
cside . Client-Side Security & Browser Fraud Preventioncside.com
official
Innovator Spotlight: CSidecyberdefensemagazine.com
news
c/side Raises $6M in Seed Fundingglobenewswire.com
news
cside vs Reflectizreflectiz.com
review
Did anyone use C/side vendor for 6.4.3 and 11.6.1reddit.com
review
cside Funding, Team & Investorsstartupintros.com
news
cside Alternatives & Competitorsgetlatka.com
news
cside.comcside.com
review
g2.comg2.com
review