Website audit
Website Health Score: How to Measure It and Raise It
July 7, 20266 min readUpdated August 17, 2026
A website health score is a single number that summarizes how well a site is set up to attract, convert, and retain visitors. Different tools score differently, but they're all asking the same five questions. Understand the pillars and you can raise any score — not by gaming it, but by fixing the real problems behind it.
The five pillars behind every health score
- Performance: how fast pages load on real devices, dominated by Core Web Vitals.
- SEO: whether search engines can crawl, understand, and rank your pages.
- Accessibility: whether every user — keyboard, screen reader, low vision — can use the site.
- Security: HTTPS, up-to-date software, sensible headers, and no exposed files.
- Content & UX: freshness, quality, clear navigation, and working calls to action.
How scoring models actually work
Most score tools run a battery of automated checks, weight them by impact, and produce a 0–100 number. The weighting is where tools differ — one might treat a missing meta description as a minor deduction while another flags it heavily — so the number itself matters less than the pattern. A site scoring 60 because of speed, and a site scoring 60 because of security, need completely different fixes. Read the breakdown, not the total.
The improvement loop that raises any score
Run the audit and group findings into 'breaks something now' (site down, broken checkout, security hole) and 'limits growth' (speed, SEO, thin content). Fix the first group this week. Then pick the one weakest pillar and spend a sprint on it — raising one pillar from 40 to 80 moves your total far more than polishing a pillar that's already at 85. Re-audit monthly and keep the loop going; scores drift down without maintenance.
The 'breaks something now' group is why regular health checks matter even when nothing seems wrong. Sites quietly rot: certificates expire, plugins go unpatched, dependencies drift, and a site that passed in January can fail in June.
Know your baseline first
You can't tell if you're improving without a number to start from. A free scored audit gives you a baseline across all five pillars in about 30 seconds — no signup needed for the preview — and a prioritized list of what to fix first.
Frequently asked questions
What is a website health score?+
A single 0–100 number summarizing how well a site is set up to attract, convert, and retain visitors, built from five pillars: performance, SEO, accessibility, security, and content & UX. The breakdown matters more than the total.
What is a good website health score?+
There's no universal pass line — a site scoring 60 because of speed and one scoring 60 because of security need completely different fixes. Read the pillar breakdown, not the headline number, and re-audit monthly.
How do I improve my website health score?+
Fix the 'breaks something now' bucket first (site down, broken checkout, security holes), then pick the single weakest pillar and spend a sprint on it. Raising one pillar from 40 to 80 moves the total far more than polishing one already at 85.
How is a website health score calculated?+
Most tools run a battery of automated checks, weight them by impact, and produce a 0–100 number. Weighting differs between tools — one may flag a missing meta description heavily, another barely — so the breakdown matters more than the total: a 60 from speed and a 60 from security need completely different fixes.