Learn

Reference guides for every check in your site report. Understand the terminology, why each factor matters, and how to improve your score.

Security & Infrastructure

Why HTTPS Matters

HTTP vs HTTPS and why every site needs encryption

SSL / TLS Certificates

What certificates are and how they secure your site

Mixed Content Warnings

Why some resources load over HTTP on HTTPS pages

HSTS Security

HTTP Strict Transport Security explained

Security Headers

Headers that protect your site from common attacks

SEO

Title Tags

The most important on-page SEO element

Meta Descriptions

How to write descriptions that drive clicks

Heading Hierarchy

H1 to H6 — why structure matters for SEO

Canonical URLs

Preventing duplicate content issues

Open Graph Tags

Control how your site appears on social media

Structured Data

Schema markup and rich search results

Sitemaps & Crawling

How search engines discover your pages

Performance

Page Speed

Why speed matters for users and search rankings

Image Optimization

Formats, compression, and lazy loading

Render-Blocking Resources

CSS and JS that delay your page from loading

Browser Caching

How caching speeds up return visits

Core Web Vitals

LCP, FID, CLS — Google's performance metrics

Mobile

Mobile Friendliness

Why mobile-first matters for modern websites

Viewport Configuration

How the viewport meta tag controls mobile display

Touch Targets

Why 48px is the minimum tap size

Responsive Design

One site that works on every screen size

Code & Design

Favicons

What a favicon is and why your site needs one

HTML Validation

Why valid code matters for accessibility and SEO

Website Frameworks

CMS and framework detection explained

Content & UX

Link Health

Internal and external link quality and structure

Contact Information

What contact details to include and where

Readability

Content length, reading level, and engagement

Website Accessibility

Making your site usable for everyone

Website Freshness

Why outdated content hurts your site

Business

Website Audit Guide

What a website audit covers and why you need one

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