Technical Developer Test Page

Expected Scan Results

Check	Expected	Why
Valid HTML5 doctype	PASS	`<!DOCTYPE html>` present
UTF-8 charset	PASS	`meta charset` set
Viewport meta	PASS	Responsive viewport configured
Semantic HTML	PASS	Uses `<main>`, `<header>`, `<article>`, `<section>`
Structured data	PASS	JSON-LD schema.org WebPage markup
Robots meta	PASS	`noindex, nofollow` set for test page
HTTPS resources (good section)	PASS	Image loaded over HTTPS
Render-blocking script	FAIL	Lodash loaded synchronously in head
Unminified CSS	FAIL	Bloated CSS with comments and whitespace
Missing preconnect hints	FAIL	No `<link rel="preconnect">` for CDN
Missing canonical URL	FAIL	No `<link rel="canonical">`
Missing Open Graph	FAIL	No `og:title`, `og:description`, `og:image`
Missing meta description	FAIL	No `<meta name="description">`
Console errors	FAIL	JavaScript throws uncaught ReferenceError
Deprecated HTML	FAIL	`<center>` and `<font>` elements used
document.write()	FAIL	Uses `document.write()` to inject content
Large unoptimised image	FAIL	3000x2000 image served at 600x400, no srcset
Missing lazy loading	FAIL	Below-fold images without `loading="lazy"`
Excessive inline styles	FAIL	Multiple elements with long `style` attributes
Non-passive event listener	FAIL	Touch listener with `preventDefault()`

Semantic HTML Structure PASS

This page uses semantic HTML5 elements including <header>, <main>, <article>, <section>, and <footer> to provide meaningful document structure.

HTTPS Image PASS

This image is loaded securely over HTTPS with explicit dimensions:

Console Errors FAIL

This inline script calls an undefined function, throwing an uncaught ReferenceError in the console:

Deprecated HTML Elements FAIL

These elements have been deprecated in HTML5:

This text is centered using the deprecated <center> element.

This text is styled using the deprecated <font> element.

document.write() FAIL

The following content was injected using document.write():

Large Unoptimised Image FAIL

This image is 3000x2000 pixels but displayed at 600x400. It has no srcset, no WebP alternative, and no loading="lazy":

Below-Fold Images Without Lazy Loading FAIL

These images are far below the fold but lack loading="lazy":

Excessive Inline Styles FAIL

This element has an excessively long inline style attribute instead of using a CSS class. This is a bad practice that makes maintenance difficult and increases page size.

Another element with duplicated inline styles rather than shared CSS classes.

Non-Passive Event Listener FAIL

This script registers a touch event listener that calls preventDefault() without the passive option, which degrades scroll performance: