Quick answer
- Most of the mistakes that cost customers are about messaging and trust, not technology: a vague headline, talking about yourself, no proof and no clear next step.
- Hidden contact details, stock photos and a template look make a new business seem less established than it is.
- Slow pages and anything broken on a phone lose visitors before they read a word.
- Launch with finished pages, not placeholders, and only start a blog you will keep up.
- Set up analytics and Search Console on day one, and make sure the legal pages and company details are there.
- Own the domain, the hosting account and the code, and build on a foundation that can grow instead of being rebuilt in a year.
- The ten-minute self-audit at the end shows which of these your own site has.
We see a lot of startup websites, both the ones we are asked to replace and the ones founders send us for a second opinion. The problems are remarkably consistent, and very few of them are technical. Most are about what the site says, how much it asks a stranger to trust, and whether anyone is looking after it. Here are the twelve we see most often, why each one costs you customers, and the fix.
Messaging Mistakes
1. A vague headline
Why it hurts: visitors decide in seconds whether a site is for them. A headline like "Innovative solutions for a connected world" tells them nothing, so they leave.
The fix: state what you do, for whom and the result, in plain words. If a stranger could not repeat it back after one read, rewrite it. Our guide to writing website copy for a startup has a simple formula for it.
2. Talking about yourself instead of the customer
Why it hurts: pages that open with how passionate you are, or with the company's history, make the reader do the work of translating your features into their benefits. Most will not bother.
The fix: lead every page with the customer's problem and the outcome you deliver. Keep the story of the company for the about page, where people go looking for it.
3. No proof
Why it hurts: a new business is asking people to trust it with no track record. Without reviews, named clients, results or credentials, the claims on the page are just claims.
The fix: add whatever you have: two genuine testimonials, the logos of clients, a result with a number attached, accreditations, press mentions. Ask early customers for a Google or Trustpilot review and show it. Build the page so more proof can be added as it arrives.
4. Hidden or missing contact details
Why it hurts: no phone number, no address and a contact form buried three clicks deep reads as a business that does not want to be reached, or does not really exist.
The fix: put a contact route in the header of every page, show an email address and a phone number if you take calls, and include a real address in the footer. For a limited company the registered details are a legal requirement anyway.
5. No clear next step
Why it hurts: a page with five different buttons, or none, leaves the visitor to guess what you want them to do. They usually do nothing.
The fix: decide the one action each page exists to produce, such as a quote request, a booked call or a trial, and make it the obvious button at the top and the bottom. Everything else is secondary.
Design and Trust Mistakes
6. A template look and stock photos
Why it hurts: customers have seen the same templates and the same smiling stock models on hundreds of sites. A startup that looks like everyone else is assumed to be as interchangeable as everyone else.
The fix: design around your brand and your content rather than dropping text into a theme, use real photographs of the people and the work, and keep the logo, colours and type consistent everywhere. Our comparison of custom websites and website builders explains what you gain.
7. Slow, or broken on a phone
Why it hurts: a large share of visitors arrive on a phone, often from a social link, and a page that takes several seconds to load or has a menu that will not open is closed before anyone reads a word.
The fix: test every page on a real phone, size images properly, avoid heavy plugins and builders that load everything on every page, and host the site somewhere fast. Our guide to website hosting for startups covers what to look for.
8. Empty pages and an abandoned blog
Why it hurts: "coming soon" sections, placeholder text and a blog with two posts from launch week signal that the business has stalled.
The fix: launch with the pages you have finished and nothing else, and add pages when the content exists. Only start a blog if you will publish regularly. If you need something live before the full site is ready, make it a proper holding page; our guide to what to put on a coming soon page explains how.
Operational Mistakes
9. No analytics or Search Console
Why it hurts: without them you cannot tell whether the site is getting visitors, where they come from or why they leave, so every decision about it is a guess.
The fix: set up analytics with enquiries tracked as conversions, verify the site in Search Console and submit the sitemap, all on launch day. Our guide to getting your startup website found on Google walks through it.
10. Missing legal pages and company details
Why it hurts: a site that collects enquiries without a privacy notice, or a limited company that does not show its registered details, is breaking rules it may not know exist, and careful customers notice.
The fix: add a privacy policy, cookie information where needed, terms where you sell online, and the company name, number and registered address for a limited company. Our startup website checklist lists exactly what UK law expects.
11. Nobody owns the website after launch
Why it hurts: the domain is registered in a freelancer's name, the hosting is on an agency's account, nobody has the code and the one person who knew the logins has left. We are asked to untangle this more often than you would think, and it is always expensive.
The fix: register the domain in your own name or the company's, keep the hosting account in your name even if someone else manages it, receive the complete code at handover and keep the logins somewhere shared and safe. Agree who makes updates and how quickly.
12. Choosing on price alone
Why it hurts: the cheapest quote usually buys a template, no planning, and a site that cannot take bookings, a members' area or a proper content section without starting again. The rebuild a year later costs more than doing it properly once.
The fix: compare what is included and what the site can grow into, not just the number. Our guide to how much a website costs in the UK explains what different budgets buy, and our guide to what pages a startup website should have helps you scope the first version sensibly.
Check Your Own Site in Ten Minutes
- Read the home page headline aloud. Could a stranger say what you do and for whom?
- Count the words "we" and "our" at the top of the home page against "you" and "your".
- Find a review, a named client or a result within one scroll.
- Find a phone number, an email address and a postal address.
- Identify the single button you want visitors to click. Is it the most visible thing on the page?
- Open the site on your phone using mobile data. Time it, use the menu and send the form.
- Look for placeholder text, an empty page or a blog whose newest post is more than six months old.
- Check that you can log in to analytics and Search Console.
- Find the privacy policy and the company details.
- Confirm who the domain is registered to and where the code is.
Three or more problems on that list usually means the site is costing you enquiries. Some are an afternoon's work to fix. Others, particularly the messaging, the structure and the foundation, are easier to put right in a planned website redesign than one patch at a time, and our website redesign guide explains how to do that without losing the search rankings you have built.
If you are about to build your first site, it is far cheaper to avoid these than to fix them. That is the thinking behind our startup web design service, where the messaging, the proof, the ownership and the room to grow are planned in from the first conversation. Contact us to talk about a startup website designed and built in-house.
Frequently Asked Questions
What is the biggest mistake startups make with their website?
Being unclear. A visitor who cannot work out what you do, who it is for and what to do next within a few seconds leaves, and no amount of design or search optimisation brings them back. Nearly every other mistake on this list is a version of the same problem: the site is written from inside the business rather than for the customer standing outside it.
How can I tell if my website is losing customers?
Look at the data first. If analytics shows visitors arriving but few enquiries, or most people leaving the home page without clicking anything, the site is not doing its job. Then ask a few people who match your customer to look at the home page for ten seconds and tell you what the business does. If they cannot, you have your answer.
Should I fix my existing website or start again?
Fix it if the problems are isolated: a weak headline, missing proof, a broken form, no analytics. Start again if the foundation is the problem, such as a template that cannot grow, a builder you have outgrown, a site that is slow everywhere, or design and messaging that are wrong throughout. A planned redesign that keeps your page addresses and content usually costs less than a year of patching.
How often should a startup update its website?
Review it properly every quarter: check the messaging still matches what you sell, add new proof such as reviews and client names, and remove anything out of date. Small changes such as a new testimonial or a price update should be made as they happen. If you have a blog, publish at a pace you can sustain rather than in bursts followed by silence.
Is a cheap website a mistake for a startup?
Not always, but a cheap website is usually a template with your text dropped in, and the cost shows up later as poor results and a rebuild. If the budget is genuinely tight, a small site built properly on a foundation that can grow is better value than a larger one built cheaply. Our website cost guide explains what each budget realistically buys.