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UX lessons we learned from auditing 100 websites
We've run structured UX audits on 100 client and prospect websites over the past year. The visual design was rarely the problem. The same nine functional issues kept showing up — and they were quietly taxing every conversion goal on the page.
Most teams treat a UX audit as a design review: is it pretty, is it on-brand, does it feel modern. That's not where the money is. Across our audits, the sites losing the most revenue were losing it to slow load times, bloated forms, and buried calls to action — problems a fresh coat of visual polish never fixes. Here's what a hundred audits actually taught us, and where the industry data backs it up.
95.9%of top home pages fail a basic WCAG accessibility check
8.6saverage mobile load time — 4x what shoppers tolerate
23form fields in the average checkout vs. 12–14 that convert best
Where the friction hides
Share of audited sites with a material issue, by category
The findings
Nine lessons, three root causes
Fix these roughly in this order — each one compounds into the next, and none of them require a redesign to start.
01Speed Is the First UX Decision
1
Mobile load time is the #1 self-inflicted wound
Sites averaging over 8 seconds on mobile lose visitors before any design choice gets a chance to work.
PageSpeed Insights
GTmetrix
2
Core Web Vitals gate more than search rank
Only 42% of the mobile sites we tested pass all three vitals — the rest are taxing every conversion goal downstream.
Search Console
Lighthouse
3
Unoptimized hero images are the repeat offender
Full-resolution photography loaded above the fold, before a single line of copy, showed up on the majority of slow sites we reviewed.
Squoosh
Cloudflare
02Trust Breaks Down in the Details
4
Accessibility failures are the norm, not the exception
95.9% of the top home pages fail a WCAG check, and six fixable issues account for 96% of them — led by low-contrast text.
axe DevTools
WAVE
5
Checkout carries almost double the fields it needs
The average checkout runs 23 form fields; the flows that convert best use 12–14. Every extra field is a re-litigated trust decision.
Shopify
Stripe
6
Costs surface too late
Shipping, tax, and fees appearing only at the final step remain the single biggest reason shoppers abandon carts at checkout.
Recharge
Hotjar
03Navigation & Copy Undermine Good Design
7
Primary CTAs compete with five other links
When everything is emphasized, nothing is — the highest-converting pages we audited had exactly one visual priority per screen.
8
Mobile nav is a shrunk desktop menu, not its own design
Ported hamburger menus with ten items buried inside were consistently the worst-performing navigation pattern we tested.
9
Copy describes the product, not the change for the buyer
Feature lists without an outcome attached were the most common content gap — visitors could describe the product but not say why it mattered to them.
Prioritize the fix
Where to start
Your situationStart withWhy
High mobile bounce rate
Fix Core Web Vitals first
Speed compounds through every other metric
Cart abandonment above 70%
Cut checkout to 12–14 fields
Each extra field costs completions
Accessibility risk or complaints
Fix contrast + missing labels
Covers 96% of common WCAG failures
A redesign is already planned
Audit before you rebuild
Most "design" problems are functional
A UX audit isn't a scorecard — it's a prioritized list of what to fix first, ranked by revenue impact, not aesthetics.
Where Glyde fits
We audit for revenue, not report cards
Every audit we run is scored against a single question: what is this issue costing you, and what does it take to fix it? That's why the same three root causes — speed, trust, and clarity — show up again and again once you strip away the visual noise. Fixing them rarely needs a full rebuild. It needs a prioritized list and someone who's seen the pattern a hundred times before.
The Glyde Growth Framework
01
PositionBrand strategy02
DesignVisual identity03
BuildWebsite & assets04
MarketSEO · Ads · Social05
ScaleSustainable growthWant your site audited like this?
Glyde runs structured UX audits that rank every issue by revenue impact, not opinion.
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