How to Improve Your Website SEO Score

The Lighthouse SEO score is the easy floor — most sites should hit 100. But the actual job of SEO is bigger than that. This is the checklist that improves both your audit score and your real Google rankings.

Phase 1: Fix the Lighthouse SEO basics (1–2 hours)

These are the issues PageSpeed Insights flags. Knock them all out first.

✅ Unique meta title on every page

Under 60 characters. Include your primary keyword near the start.

<title>How to Improve Your SEO Score | RateMySite</title>

✅ Meta description on every page

Under 160 characters. Should make someone want to click.

<meta name="description" content="...">

✅ One H1 per page

The H1 should match search intent. Subheadings should be H2 and H3 in logical order.

✅ Alt text on every image

Descriptive, not stuffed with keywords. "Black running shoe on white background" not "shoes shoes shoes".

✅ Mobile viewport meta tag

<meta name="viewport" content="width=device-width, initial-scale=1">

✅ Valid robots.txt and sitemap.xml

• robots.txt at your root, referencing your sitemap
• sitemap.xml listing every URL you want indexed
• Submitted in Google Search Console

✅ Canonical tags on every page

<link rel="canonical" href="https://yoursite.com/this-page">

Prevents duplicate-content issues.

✅ Structured data (JSON-LD)

Add schema for your content type:

• Article for blog posts
• Product for product pages
• BreadcrumbList for navigation
• FAQPage for Q&A sections
• Organization and WebSite site-wide

Test with Google's Rich Results Test.

✅ Tap targets at least 48×48px

Buttons and links should be tappable on mobile without misfires.

This phase alone gets most sites to 100 Lighthouse SEO. Run a free audit to verify.

Phase 2: Site architecture (1 week)

A 100 SEO score with no traffic means your site isn't structured to rank. Fix that.

URL structure

• Short, descriptive, lowercase, hyphenated
• yoursite.com/blog/why-is-my-site-slow ✅
• yoursite.com/p?id=4729&cat=2 ❌

Internal linking

Every important page should be 2 clicks from your homepage. Link related content together — Google uses internal links to understand topical authority. See how this blog links to Core Web Vitals explained, how to improve PageSpeed score, and why is my site slow.

Topic clusters

Group related articles under pillar pages. A pillar page covers a broad topic; supporting articles drill into specifics and link back to the pillar. This signals topical authority.

Crawl budget

For large sites:

• Use a clean robots.txt to exclude low-value pages
• Add noindex to internal search, filter, and pagination pages that don't need to rank
• Make sure your sitemap reflects only canonical URLs

Phase 3: Core Web Vitals (1–2 weeks)

Core Web Vitals are a confirmed ranking signal. Sites passing all three get a real boost over sites that don't.

Work in this order:

1. LCP — see LCP: What It Means and How to Improve It
2. INP — see INP: What It Means and Why It Matters
3. CLS — see CLS: What It Means and How to Fix It

For the full performance picture, read how to improve your PageSpeed Insights score.

Phase 4: Content quality (ongoing)

Google ranks pages that answer the searcher's question better than the alternatives. Technical SEO doesn't help if the content is thin.

Match search intent precisely

A query like "how to fix CLS" wants a technical step-by-step, not a marketing post. Read the top 5 ranking pages for your target query. Match their format and angle, then do something better.

Cover the topic completely

If a user might have a follow-up question, answer it on the same page. Long, comprehensive pages tend to rank because they keep users on-page longer and signal expertise.

Include FAQs

A FAQPage schema can get your answers into the rich-result FAQ accordion in search results — high CTR, no extra ranking work.

Update old content

Pages with updatedAt recent (within 6–12 months) signal freshness. Revisit top-performing pages quarterly and improve them.

Phase 5: Backlinks (ongoing)

Domain authority is built by other quality sites linking to you. Without backlinks, even a perfect Lighthouse score won't lift a new domain.

• Write linkable content (data studies, original research, free tools)
• Reach out to relevant sites with genuine value pitches
• Get listed in directories specific to your niche
• Earn mentions through helpful answers on community sites

This is the longest-running, highest-impact lever in SEO. There's no shortcut.

What to skip

Stop wasting time on:

• Keyword density (Google stopped caring 10+ years ago)
• Meta keywords tag (ignored by Google since 2009)
• "Submitting" your URL to search engines (just have a sitemap)
• Stuffed alt text or invisible keywords
• Reciprocal link schemes
• "SEO-friendly" character counts to the letter

Focus on what Google actually ranks for: useful content, technical hygiene, links, and Core Web Vitals.

How to measure progress

• Lighthouse SEO score → quick health check via free RateMySite audit
• Google Search Console → impressions, clicks, CTR per query and URL
• Core Web Vitals report in Search Console → real-user CWV data
• Rank tracking tool (Ahrefs, Semrush) → ranking changes for target keywords

The bottom line

The Lighthouse SEO score is the floor — easy to ace, doesn't move rankings on its own. Real SEO is content + links + Core Web Vitals + crawlable architecture. Fix the basics first, then put your energy where it actually moves the needle.