Guides on
Security
8 guides in this area, one for each Security finding that can appear in your report: what it is, how it’s measured, why it matters to you and how to fix it. See all 54 guides.
SecurityBlocksHTTPS secure connection
The six things that can fail even if your website has a padlock
SecurityLimitsSecurity headers
What they are, what each one does and how to add them
SecurityLimitsTechnical information exposure
What your website says about itself without you knowing
SecurityLimitsUnverified third-party resources
What they are and how to protect yourself with the integrity attribute
SecurityLimitsEmail security
What SPF and DMARC are and why your domain needs them
SecurityLimitsXSS risk
What it is, which signals give it away and how to reduce it
SecurityLimitsSensitive information exposure
When your website publishes its own errors
SecurityAffectsForm protection
Secure submission, anti-spam and how to check yours
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