Good web design isn't about trends. It's about helping a visitor understand what you do, trust you, and take the next step, as quickly as possible, on whatever device they're holding. These web design best practices are the standards we apply to every website we build, whether it's a one-page site for a sole trader or a full ecommerce store.
Each section explains what the best practice is, why it matters and what to check on your own website. If you'd rather skip straight to the list, jump to the full checklist.
1Start with one clear goal for every page
The most important website design best practice happens before any design: decide what each page is for. A homepage might exist to get phone calls; a service page to get quote requests; a product page to get sales. When a page tries to do everything, it usually does nothing well.
Write down who visits each page, what they want to know and the single action you want them to take. Then design the page so everything supports that action.
2Design mobile-first
For most small businesses, well over half of visitors arrive on a phone, and Google ranks sites based on their mobile version. Designing mobile-first means planning the phone layout first, then expanding it for bigger screens, rather than squeezing a desktop design down.
- Text at least 16px, so nobody needs to pinch and zoom.
- Buttons and links big enough to tap, roughly 44 by 44 pixels, with space between them.
- Your phone number as a tap-to-call link.
- No content wider than the screen, so the page never scrolls sideways.
3Make it fast
Speed is a design decision, not just a technical one. Every extra second of loading loses visitors, and Google measures real-world speed through its Core Web Vitals. The targets to aim for are:
| Metric | What it measures | Good score |
|---|---|---|
| Largest Contentful Paint (LCP) | How quickly the main content appears | Under 2.5 seconds |
| Interaction to Next Paint (INP) | How quickly the page responds to taps and clicks | Under 200 milliseconds |
| Cumulative Layout Shift (CLS) | How much the page jumps around while loading | Under 0.1 |
The biggest wins usually come from compressing images, avoiding heavy page builders and unnecessary plugins, loading fewer third-party scripts and using good hosting. Every site we build is hand-coded and aims to load in under a second.
5Write for scanning, not reading
People skim web pages. They read headings, glance at the first words of paragraphs and look at bullet points. Clear, specific content is one of the most underrated web design best practices because it helps visitors and search engines at the same time.
- Lead with what you do and who it's for, in the first screen.
- Use descriptive headings that make sense on their own.
- Keep paragraphs short: two to four sentences.
- Write in plain English and talk about the customer's problem, not just your business.
6Make the next step obvious
Every page should end in an action: call, book, buy, request a quote. Your main call to action should be a clear button with a specific label, such as "Get a free quote" rather than "Submit", repeated at natural points down the page.
Use one primary action per page and make it stand out visually. Secondary actions, like "See our work", can sit beside it with less emphasis.
7Build trust at every step
Before anyone gets in touch, they're quietly asking: is this business real, good and safe to deal with? Show them.
- Real reviews and testimonials, ideally with names and locations.
- Photos of you, your team and your actual work rather than stock images.
- Accreditations, memberships and guarantees that matter in your industry.
- Clear contact details, opening hours and, where relevant, prices.
- Up-to-date content, because an old copyright date or stale news makes people wonder if you're still trading.
8Design for everyone
An accessible website works for people with visual, motor, hearing or cognitive impairments, and it's better for everyone else too. The recognised standard is WCAG 2.2 at level AA. The essentials:
- Text contrast of at least 4.5:1 against its background (3:1 for large text).
- Descriptive alt text on meaningful images.
- Everything usable with a keyboard, with a visible focus outline.
- Form fields with proper labels, not just placeholder text.
- No information shown by colour alone, and respect for "reduce motion" settings.
9Use visual hierarchy and consistent branding
Visual hierarchy tells people what to look at first. Size, colour, weight and spacing should make the most important things the most noticeable: one main heading, clear section headings, then body text.
Be consistent. Use a small set of brand colours, one or two typefaces and the same button styles everywhere. Generous white space isn't wasted space; it's what makes a page feel calm and easy to understand.
10Get the SEO basics right
Search engine optimisation starts in the design and build, not after launch. Every page should have:
- A unique title tag that includes the page's main keyword, around 50 to 60 characters.
- A meta description that sells the click, around 150 to 160 characters.
- One H1 heading, with logical H2 and H3 headings below it.
- Clean, readable URLs and internal links between related pages.
- Structured data (schema) for your business, services, products or FAQs.
- An XML sitemap submitted to Google Search Console.
Most importantly, give each important search its own page. One page per service and per location usually beats one page that tries to cover everything.
11Win local search
If you serve a local area, your website and your Google Business Profile work together. Make sure your business name, address and phone number are identical everywhere they appear online, list the areas you cover, and add LocalBusiness structured data to your site.
Create pages for the towns you genuinely serve, with useful local detail rather than copy-and-paste text with the place name swapped. As a web design studio in Bolton, it's how we help local businesses appear in the map results where most calls come from.
12Handle images properly
Images are usually the heaviest part of a page. Good image practice keeps sites fast without losing quality:
- Use modern formats such as WebP or AVIF.
- Size images to the space they're shown in, not straight from the camera.
- Lazy-load images further down the page.
- Always set a width and height, so the layout doesn't jump while loading.
- Use real, relevant photography wherever possible.
13Make forms painless
Every extra form field costs you enquiries. Ask only for what you need to reply: often just a name, a way to contact them and a message.
- Label every field clearly and use the right input type, so phones show a number pad for phone numbers.
- Show helpful error messages next to the field, not a generic warning at the top.
- Confirm what happens next once the form is sent.
- Protect against spam without making real people solve puzzles.
14Keep it secure and legal
A secure website protects your customers and your reputation, and browsers warn visitors away from sites that aren't. As a minimum:
- HTTPS on every page, with a valid SSL certificate.
- Software, themes and plugins kept up to date, with regular backups.
- A privacy policy explaining how you use personal data, in line with UK GDPR.
- A cookie banner that asks permission before non-essential cookies, such as analytics or advertising cookies, are set.
15Measure and keep improving
A website is never really finished. Set up analytics and Google Search Console from day one, so you can see which pages people visit, what they search for and where they drop off. Review it every few months, update content as your business changes, and test improvements one at a time.
Most small business websites benefit from a light refresh every year and a proper website redesign every three to five years.
The web design best practices checklist
Use this checklist to review your own website, or to brief a web designer. Tick each one off as you go.
Purpose & content
- Each page has one clear goal
- What you do is clear in the first screen
- Headings are descriptive and scannable
- Content is plain English and up to date
Mobile & speed
- Designed mobile-first, no sideways scrolling
- Tap-to-call phone number
- LCP under 2.5s, INP under 200ms, CLS under 0.1
- Images compressed, sized and lazy-loaded
Conversion & trust
- One clear call to action per page
- Reviews, real photos and accreditations
- Short forms with clear labels
- Contact details easy to find
Accessibility
- Text contrast at least 4.5:1
- Alt text on meaningful images
- Fully usable by keyboard
- Form fields properly labelled
SEO
- Unique title and meta description per page
- One H1 and logical headings
- A page for each service and area
- Structured data and an XML sitemap
Security & upkeep
- HTTPS everywhere
- Updates and backups scheduled
- Privacy policy and cookie consent
- Analytics and Search Console set up
Want a website built to these standards?
Every website we design follows this checklist as standard: hand-coded, mobile-first, fast and set up for search, at a fixed price agreed before we start.
Web design best practices: FAQs
What are web design best practices?
Web design best practices are proven principles that make websites easier to use, faster, more accessible and more likely to turn visitors into customers. They include mobile-first design, fast loading, simple navigation, clear calls to action, accessible content and solid on-page SEO.
What is the most important website design best practice?
Giving every page one clear purpose and one obvious next step. Speed, mobile design and SEO all matter, but they only pay off when visitors understand what you do and what to do next.
How often should I update my website design?
Review your content every few months, refresh the design lightly once a year, and plan a full redesign every three to five years, or sooner if your site is slow, hard to use on a phone or no longer reflects your business.
Do web design best practices affect Google rankings?
Yes. Google rewards sites that load quickly, work well on mobile, are secure and have clear, well-structured content. Many of the same practices that help visitors also help search engines understand and rank your pages.
Can you check my website against these best practices?
Yes. Get in touch and we'll review your website against this checklist and tell you honestly what's worth fixing first, whether or not you go on to work with us.