How to Improve Your Website SEO Score

Understanding Your SEO Score

An SEO score is a numerical representation of how well-optimized your website is for search engines. Website Grader calculates it across six categories with specific weights: SEO (25%), Performance (25%), Mobile (15%), Security (15%), Accessibility (10%), and Content (10%). Understanding these weights helps you prioritize improvements.

A score above 90 is excellent, 70-89 is good, 50-69 needs work, and below 50 requires urgent attention. Most websites score between 40 and 70 on their first scan - there is almost always room for improvement.

Technical SEO Improvements

Fix Your Meta Tags

Start with the basics: every page needs a unique title tag (50-60 characters) and meta description (150-160 characters). These directly control what appears in search results. Generic or missing meta tags are the number one issue found in Website Grader scans.

Clean Up Heading Structure

Use exactly one H1 per page that clearly describes the content. Follow a logical hierarchy - H2 for sections, H3 for subsections. Do not skip levels (going from H2 to H4). Search engines use headings to understand page structure and topic relevance.

Add Structured Data

JSON-LD schema markup helps search engines understand your content type - articles, products, FAQs, organizations. This enables rich snippets in search results, which significantly increase click-through rates. Even basic Organization and WebPage schemas make a difference.

Optimize URL Structure

Keep URLs short (under 75 characters), descriptive, and lowercase. Use hyphens to separate words. Avoid parameters, session IDs, and unnecessary subdirectories. Clean URLs are easier to share and better for SEO.

Performance Optimization

Target Core Web Vitals

Focus on the three key metrics: LCP under 2.5 seconds (optimize hero images and server response), CLS below 0.1 (set explicit dimensions on images and embeds), and TBT under 200ms (defer non-critical JavaScript).

Reduce Page Weight

Aim for under 3MB total page size. Compress images with WebP, minify CSS and JavaScript, enable Brotli compression, and remove unused code. Every kilobyte matters on mobile connections.

Content Quality

Write Substantial Content

Pages with fewer than 300 words are considered thin content by most SEO standards. Website Grader flags these pages. Aim for comprehensive, valuable content that thoroughly covers the topic. Quality content attracts backlinks and keeps visitors engaged.

Fix Broken Links

Broken links hurt user experience and waste crawl budget. Website Grader checks up to 50 links per page to identify 404 errors. Regularly audit and fix broken internal and external links.

Add Alt Text to Images

Descriptive alt text serves double duty: it makes images accessible to screen readers and provides context to search engines. Aim for at least 90% alt text coverage - describe what the image shows, naturally including relevant keywords.

Security and Accessibility

Do not neglect the remaining 35% of your score. Enable HTTPS, add security headers, ensure proper ARIA landmarks, use semantic HTML, and label all form inputs. These categories are often the easiest to improve because the fixes are well-defined and one-time.

Track Your Progress

Improvement is an ongoing process. Scan your site regularly to catch regressions and measure the impact of changes. Website Grader Pro includes weekly monitoring with email alerts when your score changes by more than 5 points - so you always know where you stand.

Start Improving Now

Enter your URL below for a free scan. Focus on the critical issues first, implement the fixes, and rescan. Most sites can gain 10-20 points in the first round of improvements.