Web Programming I · Summer 2026
What Your Browser Knows About You
Information This Page Just Read
From the navigator and screen objects
| Property | What It Reports | Your Value |
|---|---|---|
| navigator.userAgent | Browser, platform name, and compatibility | — |
| navigator.platform | The platform the browser is running on | — |
| navigator.language | The browser's primary language | — |
| navigator.onLine | Whether the browser is currently online | — |
| screen.width | Total width of the screen in pixels | — |
| screen.height | Total height of the screen in pixels | — |
| screen.availWidth | Screen width minus taskbars and scrollbars | — |
| screen.availHeight | Screen height minus taskbars and scrollbars | — |
| screen.colorDepth | Bit depth of the screen's color palette | — |
| screen.pixelDepth | Color resolution in bits per pixel | — |
Staying Safe Online
Here are three solid resources on safe browsing.
| # | Source | Summary | Link |
|---|---|---|---|
| 01 | CISA | The U.S. cybersecurity agency recommends keeping your browser updated, blocking third-party cookies, vetting extensions, and restricting site permissions. | View → |
| 02 | EPB | A practical checklist covering HTTPS, multi-factor authentication, password managers, denying unnecessary cookies, and regular antivirus scans. | View → |
| 03 | NordLayer | Explains how to spot spoofed look-alike domains, why unique passwords matter, and how outdated software becomes an easy target for attackers. | View → |