Web design in Sioux Falls, SD: agencies, costs & local website data.

The 2026 Routeless Local Website Benchmark: Sioux Falls.

35 Sioux Falls business websites analyzed — 22 healthcare, 12 legal, 1 home services — each through the same audit: homepage checks plus Google's mobile performance test, collected August 25, 2026. National chains were excluded. Sioux Falls is one of 336 US cities in the benchmark.

• 94.3% took over 2.5s to show their main content on mobile Largest Contentful Paint above Google's 'good' threshold, 35 sites tested
• 59.0/100 median mobile performance score Google PageSpeed Insights lab score across 35 sites
• 9.6s median time to largest content on mobile Google recommends 2.5 seconds or less
• 20.0% have no structured data at all machine-readable markup that describes the business and page
• 25.7% run no analytics or conversion tracking we could detect no Google Analytics, Tag Manager, or ad pixel on the homepage
• 74.3% have no contact form on their homepage a visitor's only next step is a phone call or leaving
• 25.7% run on a DIY site builder Wix, Squarespace, GoDaddy builder, Weebly, or Duda
• 2.0MB median homepage weight total mobile download across 35 tested sites

The fastest homepage in the Sioux Falls sample showed its main content in 1.7 seconds, the slowest took 30.2, and the middle half of the market sits between 5.6 and 14.7. The lightest homepage weighs 525 KB; the heaviest sends 11.8 MB to a phone.

Methodology: Routeless audited 35 business websites in Sioux Falls, SD (2026Q3 benchmark). Homepage signals (CMS, structured data, contact paths, analytics) were collected from each site's live homepage; performance figures are Google PageSpeed Insights mobile lab metrics for the 35 sites that completed a run. Businesses were sampled across industries from public listings and licensing registries; national chains were excluded. Read Google's PageSpeed Insights methodology and download the anonymized Sioux Falls benchmark summary. 5 unreachable Sioux Falls sites were excluded from the sample, and 35 of the 35 completed a full PageSpeed run. Sampled businesses include 10th Street Dental, Dental Wellness, Anderson-Smith Speech Therapy, Clear Minded Counseling, Cutler Law Firm, LLP, Dakota Dermatology, Ltd, Dakota Vision Center. Collected August 25, 2026. Results describe the 35 sampled businesses, not every business in Sioux Falls, and the benchmark is re-run, so these figures are a dated snapshot rather than a standing claim.

See where your site lands in the Sioux Falls benchmark.

Enter your website address and we run the same Google mobile test and homepage checks we ran on the 35 Sioux Falls sites above, then place your site in the Sioux Falls market. Takes 20–40 seconds.

What we found analyzing 35 Sioux Falls websites.

• 91.4% of the Sioux Falls business sites we tested fall in Google's 'poor' range for loading — the main content takes more than four seconds to appear on a phone.
• 8.6% of the 35 sites have no discoverable sitemap, which means search engines are left to guess what pages exist.
• Only 20.0% of tested sites get enough real visitors for Google to publish real-world speed data on them. Google did not publish field speed data for the rest of the sample.
• 2.9% of the sampled sites offer any form of online booking or scheduling.
• The stack split: 48.6% WordPress, 25.7% DIY builders, and the rest custom or unidentified.
• In Sioux Falls, 74.3% of homepages carry no contact form, and 31.4% do not offer a tap-to-call phone link on mobile.
• 25.7% of the Sioux Falls sample runs no detectable analytics, which limits what those owners can measure about visits and inquiries.

The median Sioux Falls site shows its main content in 9.6 seconds on a phone. The observations above identify common content and contact-path gaps in the sample.

9 best web design agencies in Sioux Falls, SD for 2026.

The Routeless Local Website Benchmark evaluates local business websites. Our Agency Intelligence review separately evaluates web-design providers serving Sioux Falls. We reviewed 17 candidates and selected 9 using dated public evidence, then audited each agency website with Google PageSpeed Insights and homepage checks.

We feature Routeless as our recommended custom-development option, then independently rank 8 other agencies using our published evidence rubric. Part of that rubric measures local-market evidence such as office presence and public review history, so Routeless is featured on its own terms rather than ranked against agencies based in Sioux Falls.

• 17candidates evaluated
• 9agencies selected
• 9agency sites audited
• All published claimssource-backed and dated

Other top web design agencies serving Sioux Falls

Ranked on published portfolio, case-study, technical, reputation, service, market-relevance, and transparency evidence only.

Already have a website? Run it through the Sioux Falls benchmark before choosing a provider.

How much does web design cost in Sioux Falls?

1 of the 9 agencies reviewed publish enough pricing information to compare directly. The figures below are the agencies' own published ranges, not a Sioux Falls-wide average. The remaining providers quote projects individually or do not publish pricing.

• Routeless Custom projects start at $5,000

What to look for in a Sioux Falls web design company.

How we evaluated Sioux Falls web design agencies.

Scores measure publicly verifiable evidence, not work performed privately. Missing case studies, reviews, pricing, or other public proof receive no evidence credit for that criterion; absence is not treated as proof of poor client work.

• 25Portfolio and demonstrated work
• 20Public case-study evidence
• 15Technical website quality
• 15Verifiable public reputation
• 10Service depth
• 10Sioux Falls market relevance
• 5Transparency

Candidate Selection is separate from ranking. It considers local relevance, brand demand, independent result-set recurrence, evidence depth, reputation, and specialty diversity to determine which agencies enter the review. Every provider is then scored on the same 100-point Agency Quality rubric, and the 8 ranked agencies are ordered by that total alone. Routeless publishes this research and is presented as our recommended option rather than ranked among them, so no score is adjusted in its favour; its own remote presence and absence of third-party review evidence are scored as found. Technical scores are computed from each audit, and audits and source facts are dated September 4, 2026.

Websites for Sioux Falls's leading industries.

With many businesses in retail and construction, local competition can be intense. About 800 retail establishments and 770 construction businesses mean customers have plenty of options. Standing out in local searches can help businesses capture attention. Sioux Falls' growing population suggests a steady stream of potential customers, making it important for businesses to be visible in local search results and AI-generated answers.

These sections follow that industry mix, not a template: they are the sectors with the most establishments in Minnehaha County, and what a website has to do differs by trade.

Custom websites connected to your business systems.

25.7% of the Sioux Falls sites we audited run on a DIY builder. We write real code: sites that load fast, that are structured so Google and AI assistants like ChatGPT can read and cite them, and that connect to your booking, CRM, and phone systems.

Need more than a website after comparing these 35 Sioux Falls, SD business websites? See everything Routeless builds.

AI assistants are another source of recommendations.

When someone asks ChatGPT, or Google's own AI results, who to hire in Sioux Falls, the answer draws on what those systems can read: fast pages, structured data, and consistent business information across the web. Structured data makes that information easier for search engines and AI systems to interpret and verify — and 20.0% of the 35 Sioux Falls sites we tested publish none. Fast, structured, and consistent sites give Google and AI systems clearer information to read and verify.

We build for that standard and check the whole presence — your website, your Google Business Profile, and the listings AI assistants verify you against. We publish our research on how AI assistants recommend local businesses, one engineer owns your project from scope through launch, and the written scope, timeline, and price are agreed before work begins.

Scope in writing, then build, then measure.

Questions Sioux Falls businesses ask.

How Sioux Falls compares.

Measured against 6 nearby markets, Sioux Falls ranks 3rd of 7 on median mobile performance, 6th of 7 on loading speed, 3rd of 7 on analytics adoption, 3rd of 7 on structured-data adoption. Its strongest showing is median mobile performance; its weakest is loading speed. Ankeny, IA posts the group's highest median mobile score and Plymouth, MN the lowest. Every city below carries its own measured sample from the same benchmark.

• Web design in Bellevue, NE 170 miles away · 31 sites: median score 58, 1 points below Sioux Falls; median load 8.4s against Sioux Falls's 9.6s
• Web design in Shakopee, MN 182 miles away · 33 sites: median score 58, 1 points below Sioux Falls; median load 7.1s against Sioux Falls's 9.6s
• Web design in Minnetonka, MN 188 miles away · 36 sites: median score 60, 1 points above Sioux Falls; median load 8.4s against Sioux Falls's 9.6s
• Web design in Lakeville, MN 190 miles away · 34 sites: median score 58, 1 points below Sioux Falls; median load 7.7s against Sioux Falls's 9.6s
• Web design in Plymouth, MN 191 miles away · 36 sites: median score 56, 3 points below Sioux Falls; median load 11.5s against Sioux Falls's 9.6s
• Web design in Ankeny, IA 202 miles away · 34 sites: median score 65, 6 points above Sioux Falls; median load 8.8s against Sioux Falls's 9.6s
• All South Dakota cities state index
• The Routeless Local Website Benchmark 336 US cities, 13,521 sites analyzed