--- title: "17% of Accounting Firm Websites Run Outdated Software vs 4.7% of Restaurant Websites - Suff Digital" url: https://www.suffdigital.com/resources/data-studies/website-health-by-industry description: "We turn websites into predictable revenue engines. Web design and SEO that drives revenue, not clicks. Nashville-based, senior US team." lang: en --- 17% of Accounting Firm Websites Run Outdated Software vs 4.7% of Restaurant Websites (https://www.suffdigital.com/resources/data-studies/website-health-by-industry) 17% of accounting firm websites run outdated software, the highest rate of 15 industries and more than three times the 4.7% of restaurant websites. In every one of the 15 industries, websites built on WordPress are out of date more often than websites on other platforms. Run outdated software by industry Accounting 17% Law firm 15.5% Dental 15.4% SaaS 14.9% Real estate 12.7% Roofing 11.4% Hotel 11.2% HVAC 10.5% Manufacturing 10.5% Plumbing 9.7% Medical practice 9.7% Insurance 8.6% Financial advisor 6.6% Auto dealer 5.3% Restaurant 4.7% Source: Suff Digital analysis of US business websites in 15 industries, 234 to 809 per industry ยท websites listed on US Google Business Profiles, September 2026 Websites on WordPress by industry Real estate 26.7% Law firm 50.7% SaaS 36% Accounting 38.8% Auto dealer 12.5% Roofing 46.5% Medical practice 31.9% Hotel 34.5% Plumbing 43.3% Dental 49.8% Manufacturing 39.7% HVAC 46.1% Insurance 29.6% Financial advisor 30.6% Restaurant 25.6% WordPress older than 7.1 by industry Law firm 11.3% Roofing 9.3% Dental 7.6% Accounting 7.5% SaaS 7.4% Plumbing 7.2% HVAC 6.8% Real estate 6.4% Manufacturing 5.6% Medical practice 5.3% Hotel 4.7% Insurance 4.3% Financial advisor 3.5% Auto dealer 2.3% Restaurant 2.1% Websites that show their server software by industry Auto dealer 11.2% SaaS 10.4% Real estate 10.3% Medical practice 8.8% Hotel 7.2% Manufacturing 6.4% Insurance 5.5% Accounting 5.4% Dental 5.4% Law firm 5.2% HVAC 4.6% Plumbing 4.1% Restaurant 3.8% Roofing 3.3% Financial advisor 0.7% Source: 17% of Accounting Firm Websites Run Outdated Software vs 4.7% of Restaurant Websites - Suff Digital (https://www.suffdigital.com/resources/data-studies/website-health-by-industry) ## Structured data ```json { "@context": "https://schema.org", "@graph": [ { "@type": "Organization", "@id": "https://www.suffdigital.com/#organization", "name": "Suff Digital", "alternateName": "Suff Digital Marketing", "url": "https://www.suffdigital.com/", "logo": { "@type": "ImageObject", "@id": "https://www.suffdigital.com/#logo", "url": "https://www.suffdigital.com/logo.png", "contentUrl": "https://www.suffdigital.com/logo.png", "caption": "Suff Digital" }, "image": { "@id": "https://www.suffdigital.com/#logo" }, "description": "Suff Digital is a full-stack digital marketing agency that turns websites into predictable revenue engines, SEO, paid media, content, CRO, and web design built around revenue, not vanity metrics.", "slogan": "Digital marketing built for what's next.", "email": "hello@suffdigital.com", "telephone": "+1-629-236-0099", "foundingDate": "2022", "founder": { "@type": "Person", "name": "Matt Suffoletto", "jobTitle": "Founder & CEO" }, "contactPoint": [ { "@type": "ContactPoint", "telephone": "+1-629-236-0099", "email": "hello@suffdigital.com", "contactType": "sales", "areaServed": "US", "availableLanguage": [ "en" ] } ], "address": { "@type": "PostalAddress", "addressLocality": "Nashville", "addressRegion": "TN", "postalCode": "37219", "addressCountry": "US" }, "areaServed": { "@type": "Country", "name": "United States" }, "sameAs": [ "https://www.linkedin.com/company/suff-digital/", "https://www.instagram.com/suffdigital/", "https://www.youtube.com/@suffdigitalmarketing", "https://www.tiktok.com/@suffdigital" ], "knowsAbout": [ "Search Engine Optimization", "Pay-Per-Click Advertising", "Paid Social Advertising", "Conversion Rate Optimization", "Web Design", "Digital PR", "Link Building", "Website Migration", "Website Maintenance and Support", "Technical SEO", "Local SEO", "AI Search Optimization" ], "hasOfferCatalog": { "@type": "OfferCatalog", "name": "Suff Digital Services", "itemListElement": [ { "@type": "Offer", "itemOffered": { "@type": "Service", "name": "Search Engine Optimization (SEO)", "url": "https://www.suffdigital.com/" } }, { "@type": "Offer", "itemOffered": { "@type": "Service", "name": "Pay-Per-Click (PPC) Advertising", "url": "https://www.suffdigital.com/services/ppc" } }, { "@type": "Offer", "itemOffered": { "@type": "Service", "name": "Paid Social Advertising", "url": "https://www.suffdigital.com/services/paid-social" } }, { "@type": "Offer", "itemOffered": { "@type": "Service", "name": "Conversion Rate Optimization (CRO)", "url": "https://www.suffdigital.com/services/cro" } }, { "@type": "Offer", "itemOffered": { "@type": "Service", "name": "Web Design", "url": "https://www.suffdigital.com/services/web-design" } }, { "@type": "Offer", "itemOffered": { "@type": "Service", "name": "Digital PR & Link Building", "url": "https://www.suffdigital.com/services/digital-pr" } }, { "@type": "Offer", "itemOffered": { "@type": "Service", "name": "Website Migration", "url": "https://www.suffdigital.com/services/website-migration" } }, { "@type": "Offer", "itemOffered": { "@type": "Service", "name": "Website Maintenance & Support", "url": "https://www.suffdigital.com/services/website-maintenance" } } ] } }, { "@type": "WebSite", "@id": "https://www.suffdigital.com/#website", "url": "https://www.suffdigital.com/", "name": "Suff Digital", "inLanguage": "en-US", "publisher": { "@id": "https://www.suffdigital.com/#organization" } } ] } ```