Web, Security & Network Tools

Web security tools for site owners and everyday users

Security problems rarely announce themselves. A weak password, a missing header or an expiring certificate can quietly raise your risk. The tools in this category help you check the basics in minutes, understand the results and fix the most common problems. They are written for site owners, freelancers and small teams, not just for experts.

The tools in this category

• The website security scanner grades HTTPS, headers and cookies for any site you own.
• The password strength checker estimates how hard a password is to crack and generates secure alternatives.
• The AI content detector estimates whether text looks machine-written.
• The internet speed test measures download, upload, latency and jitter.
• The cloud storage cost calculator compares storage prices including download fees.

Security basics everyone should follow

1. Use a unique, long password for every account, and store them in a password manager.
2. Turn on two-factor authentication for email, banking and admin accounts.
3. Keep software, plugins and themes updated.
4. Use HTTPS everywhere and add security headers.
5. Take regular backups and test them.
6. Be careful with links and attachments, even from familiar names.

Reading results sensibly

A tool can show what is visible from outside, but it cannot know everything about your systems. Use results as a checklist, fix the highest-risk items first and repeat the test after each change. For sensitive systems, combine automated checks with a professional audit.

Responsible use

Only scan websites that you own or have permission to test. Never use security tools to probe other people's systems. Use the content detector as a conversation starter and never as proof of misconduct.

What a security header does

Security headers are instructions your server sends with each page. HSTS tells browsers to always use HTTPS. Content-Security-Policy limits where scripts can load from. X-Frame-Options stops other sites from embedding your pages to trick visitors. X-Content-Type-Options prevents browsers from guessing file types. Referrer-Policy controls what information is passed to other sites. Together they make common attacks harder, and they cost almost nothing to add.

Passwords and accounts

Most account breaches come from reused or weak passwords and phishing. A password manager removes the need to remember dozens of logins, and two-factor authentication stops most stolen-password attacks. For businesses, limit admin access, remove former staff immediately and avoid sharing logins.

Website owners: a short routine

1. Run the scanner monthly and after any server change.
2. Update the CMS, plugins and themes weekly.
3. Check that your certificate renews automatically.
4. Back up the site and database, and test a restore.
5. Review user accounts and remove unused ones.

Connection speed and cloud costs

A slow connection can be caused by Wi-Fi, the router, the provider or heavy use at busy times, and the speed test helps you separate them. Cloud storage looks cheap until download fees and growth are added, so compare total costs for your real usage before you commit.

Signs that you should act now

Warning signs include unexpected admin users, new pages you did not create, redirects to unknown sites, browser warnings, sudden traffic drops and hosting alerts. If you see them, change passwords, update everything, scan with your host's malware tool and restore a clean backup if needed.

Learning more

Organisations such as OWASP and national cyber agencies publish free, practical guides. Use our tools to find issues and these guides to understand deeper fixes.

Tool limits in one line

Automated tools find common, visible problems quickly, but they never see the whole picture, so combine them with updates, backups and good habits.