Here is the number that should change how you think about your realtor website. The average GTA real estate website gets 72% of its traffic from mobile devices. In some buyer demographics (millennials searching for their first home), that number tops 85%.
Now go open your site on your phone right now. Be honest about what you see.
The hero takes three seconds to load. The phone number is too small to tap. The contact form has a field you cannot scroll past. The image carousel does not work with thumbs. The font is so small you have to pinch zoom. That is what your visitor sees too. And they are gone in 8 seconds.
Mobile first is not a design preference
For five years now, Google has used the mobile version of your site, not the desktop one, to determine its ranking. This is called mobile first indexing. If your mobile site is a degraded version of your desktop site (smaller text, missing sections, broken galleries), Google ranks the degraded version. Your beautiful desktop site is, for SEO purposes, basically invisible.
Mobile first means the mobile version is the primary version. You design for the small screen first. You make sure type is readable, taps are easy, forms are completable, and everything important is above the fold without scrolling. Then you adapt the design up to desktop, not the other way around.
The four mobile failures we see most
There are four mobile failures we see on roughly 80% of realtor websites we audit, and any one of them tanks your conversion rate.
The phone number is a non-tappable image or floats in a banner that closes when you scroll. A phone visitor who wants to call you should be one tap away from your phone app, with your number prefilled.
The lead form is too long for mobile. A buyer entering their info on a phone gives up at field number five. Two fields (name, email) with an optional message is usually enough.
The image gallery does not work with thumbs. Most desktop carousels require precise clicks on arrows that are tiny on mobile. Swipeable galleries with momentum scrolling are the standard now.
Text is too small, line height is too tight. A 14 pixel body font that looked elegant on desktop is unreadable on a 6 inch phone screen. The fix is bumping body text to 16 pixels minimum and using a 1.5 line height.
What a mobile first realtor site looks like
It loads under two seconds on a four year old phone. The phone number is a real tappable link in the header. The lead form is two fields. Images are compressed to under 200KB each. Type is 16 to 18 pixels with relaxed line spacing. Buttons are at least 44 pixels tall (Apple's accessibility guideline) so thumbs can hit them reliably.
These are not opinions. They are guidelines published by Apple, Google, and the W3C, and they correlate with measurable conversion rate differences.
If you have a website right now, run it through Google's PageSpeed Insights on the mobile setting. If your performance score is under 80, your visitors are leaving before they ever see your value proposition. That is a fixable problem, but it requires actually fixing the underlying site, not adding a chat widget on top.