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CS-02 Web / Real Estate

Real Estate Website Mobile Overhaul

A mobile and speed overhaul for a Denver metro real estate agent's client website. We made the menu, home search, and every page section work properly on phones, cut image downloads on a phone from 1.2 MB to 130 KB, and fixed the technical basics search engines check.

Images downloaded on a phone
1.2 MB → 130 KB
Client
An independent real estate agent serving buyers and sellers across the Denver metro.
Status
Shipped Oct 2026 · live
/ The Challenge

Built for desks, used on phones.

For a real estate agent, the website is often the first thing a client sees, usually on a phone and often on a slow connection: in the car, between showings, or on the couch. If it's awkward to use or slow to load, people leave before they find the home search or the contact details.

The agent's site looked good on a desktop, but it wasn't yet tuned for phones. Photos were downloaded at full desktop size even on a small screen, about 1.2 MB of images for a single page. Some text was too small to read comfortably, the layout shifted slightly as the page loaded, and missing pages didn't return a proper "not found", which sends search engines mixed signals.

/ What We Built

Lighter, steadier, easier to use.

We measured first. The live site was tested as a mid-range phone on a slow 4G connection, recording how long the main content took to appear, how much the layout shifted, what was downloaded, and whether any text was too small to read or any element pushed the page sideways.

Images were the biggest win. Each photo is now delivered at the size it's actually shown, compressed, and photos further down the page load only when the visitor scrolls to them. A phone now downloads 130 KB of images for the whole page instead of about 1.2 MB, and a desktop 316 KB.

Then we made it work like a phone site. The header and menu adapt at every screen width, the home search opens full screen on a phone, keyboard focus is handled properly, and every piece of text is at least 12 pixels. Space is reserved for images before they load, so the layout stays still.

Finally, the technical basics. Unknown addresses now return a real "not found". Site styles are cached by the browser for a year, while the page itself is checked for updates on every visit, so returning visitors load quickly and always see the latest version.

/ Capabilities

What it does.

F-01

Phone-first layout

Header, menu, and sections tested at phone width first, with desktop as the second check.

F-02

Images sized to the screen

Each photo is delivered at the size it's shown and loads only when it's needed.

F-03

Full-screen home search

Listing search opens full screen on a phone, with proper focus handling, so it's easy to use on a small screen.

F-04

Search engine basics

Real error pages, sensible caching, and readable text, so search engines see a well-built site.

/ In Use

See it running.

Desktop homepage of the agent's site: a navy hero headed "Your guide to buying and selling a home in Metro Denver" with Explore Resources and Get Your Home's Value buttons.
Fig.01 — Desktop homepage
The same homepage on a phone, with a compact header holding call and menu buttons, the headline, and full-width buttons.
Fig.02 — Phone: header and hero
Further down on a phone: a mountain photo banner reading "Proudly serving Denver Metro and the Colorado Front Range" above a two-column grid of resource cards.
Fig.03 — Phone: two-column resource cards
/ How We Built It

Measure, fix, re-measure.

  1. Step 01

    Measure on a phone

    A full audit of the live site as a mid-range phone on 4G, saved as a baseline.

  2. Step 02

    Shrink the images

    Every photo resized, converted, and set to load only when it's needed.

  3. Step 03

    Fix the phone experience

    Menu, header, home search, and text sizes reworked for small screens.

  4. Step 04

    Tidy the technical basics

    Real 404 pages and caching rules that keep returning visits fast.

  5. Step 05

    Verify on live

    Every change re-measured on the live site, with functional checks run at every screen width.

/ Outcomes

What changed.

  • Image downloads on a phone cut by about 89%, from 1.2 MB to 130 KB; on desktop, from 1.2 MB to 316 KB
  • Layout shift cut from 0.027 to 0.008, well under Google's 0.1 "good" threshold
  • Main content shows in about a second on a slow phone connection, far inside Google's 2.5-second target
  • No text too small to read, down from 4 items
  • Menu, full-screen home search, and header working at every screen width
  • Real "not found" pages and long-term caching for returning visitors
/ Questions

Common questions.

Why does a real estate site need to be fast on phones?
Because that's where clients look. Buyers browse between showings and sellers check out agents from the couch. A site that's slow or awkward on a phone loses them before they reach the home search or the contact form.
Did the site have to be rebuilt?
No. The design stayed the same. The work was in how images are delivered, how the layout behaves on small screens, and the technical settings behind the site.
The site was already fairly quick. Was it worth it?
Yes. Speed is more than the first second. Cutting image downloads by almost 90% matters on a slow connection or a limited data plan, and readable text and a working menu decide whether a visitor stays.
Can you check my site?
Yes. The same phone audit works on any website and shows exactly what to fix before anything is changed.