How to improve your SEO score

A low SEO score is not a verdict; it is a to-do list with the items out of order. The trick to improving it is not doing more — it is doing the right things first, because in SEO some fixes make others irrelevant. Here is how to raise a score in the order that compounds, and how to avoid the trap of optimising for the number instead of the traffic.

First, know what the score is for

An SEO score is a proxy. It rolls up dozens of checks — speed, indexability, meta tags, structured data, accessibility — into one number so you can see at a glance whether a site is roughly healthy. It is a useful dashboard light. It is not the thing you are actually trying to improve, which is rankings and traffic. Keep that distinction and you will make good decisions; lose it and you will spend a week chasing the last five points that change nothing. For what the number itself means and what counts as good, see what is a good SEO score.

Fix in dependency order

Work top to bottom. Each tier assumes the one above it is sorted, because a win lower down is worthless if a problem higher up cancels it.

1. Indexability — can Google use the page at all?

This is first because nothing else counts if the answer is no. A page carrying a stray noindex or blocked in robots.txt can be perfect in every other respect and still earn zero traffic. Run the indexability checker and clear any blocker before touching anything else. This is usually the single biggest score movement available, because a blocked page fails whole categories at once.

2. Core Web Vitals — the heaviest weighted, and slowest to move

Speed carries real weight in most scoring and it is a genuine ranking factor, so it is worth serious effort — but it is the slowest tier to fix, which is why it comes after the quick indexability check. Measure first with the Core Web Vitals checker, then fix the one metric that is failing rather than everything at once; diagnosing slow page speed explains which number to chase first, because improving the wrong one is the usual reason a speed project produces no result.

3. On-page signals — the fastest wins

These are the cheap points, and there is no reason not to take them:

• Title tags and meta descriptions — unique, and not truncated. The meta tag checker flags missing and duplicated ones.
• Heading structure — one clear h1, a sensible outline beneath it.
• Alt text — describe meaningful images; leave decorative ones empty. The alt text checker finds the gaps.
• Broken links — fix or remove them; they waste crawl budget and read as neglect.

4. Structured data, accessibility and the rest

Lower-weighted but real: valid schema markup where it fits your content, solid accessibility fundamentals like contrast and labels, and a secure HTTPS setup. These round out a score and, more importantly, they are the difference between a site that merely works and one that is easy for everyone — and every AI answer engine — to read.

Quick wins versus the long game

It helps to sort the fix list by effort, not just by score impact:

• Quick wins (an afternoon): add missing meta tags and alt text, fix broken links, compress oversized images, remove an accidental noindex. These often move a score several points for very little work.
• The long game (weeks): Core Web Vitals, content depth and quality, earning links. These move rankings, which is the point, but they do not resolve overnight — and no honest tool pretends they do.

Why chasing 100 is the wrong target

Above roughly 90, you hit diminishing returns fast. The last handful of points usually represent trade-offs a real site should not make — stripping a third-party script that earns money, or contorting a layout to satisfy a lab metric that field data does not share. A 100 on a site nobody links to still ranks nowhere. Spend the effort you would have burned chasing a perfect score on the things scores cannot measure: genuinely useful content and links from real sites.

Then re-check, and check the whole site

After a round of fixes, re-scan to confirm the changes registered and nothing regressed — and scan the whole site, not one page. Many score-killers, like duplicated title tags, only exist relative to other pages and are invisible in a single-page check. Run the full website SEO check to see the site-wide pattern, and if you want the systematic version of this whole process, how to do a technical SEO audit walks the same dependency order in more depth.