Largest Contentful Paint
Good: < 2.5s
Measures how long it takes for the main content to appear on screen
How to optimize onthemarkhvac.com
Oversized images waste 217KB of bandwidth and slow down perceived performance.
Resize the HVAC upgrade image to match its displayed dimensions (511x681 instead of 1000x1333). Convert Google profile images to WebP format and implement responsive image sizes. Use WordPress's srcset attribute or a plugin like Smush to automatically serve appropriately sized images.
A score of 68 falls in the "Needs Improvement" range (50-89). While it is better than poor (0-49), you should aim for 90+ to provide an optimal user experience and maximize SEO benefits.
This site is slower than approximately 35% of similar sites. The main issues affecting performance are image optimization, JavaScript execution time, and layout stability.
Addressing these issues could improve your conversion rate by 15-20% and boost your search engine rankings.
Largest Contentful Paint
Good: < 2.5s
Measures how long it takes for the main content to appear on screen
Interaction to Next Paint
Good: < 200ms
Measures how quickly the page responds to user interactions
Cumulative Layout Shift
Good: < 0.1
Measures visual stability - how much content shifts during page load
This WordPress site has poor performance with a score of 68/100, and users experience extremely slow interactivity with a 22.5-second Time to Interactive. The biggest problem is excessive JavaScript execution taking 1.4 seconds, which blocks the main thread and prevents users from interacting with the page effectively. The site is loading over 1MB of unused JavaScript and CSS, particularly from third-party services like ServiceTitan scheduler and Google Maps, which could be deferred or removed entirely. Reducing JavaScript payloads, optimizing images (which could save 217KB), and implementing proper caching could potentially improve the performance score by 25+ points and dramatically reduce loading times.
Why It Matters:
JavaScript execution takes 1.4 seconds and blocks the main thread for 600ms, severely impacting TBT and user interactivity.
How to Fix:
Remove or defer unused JavaScript from ServiceTitan scheduler (182KB unused) and Formidable Pro (102KB unused). Use WP Asset CleanUp to conditionally load scripts only where needed. Move Google Maps and tracking scripts to load after page interactive using defer or async attributes.
Why It Matters:
Render-blocking stylesheets delay First Contentful Paint by 900ms and impact LCP timing.
How to Fix:
Inline critical above-the-fold CSS directly in the HTML head. Use WP Rocket's CSS optimization to defer non-critical stylesheets like Dashicons (36KB) and third-party CSS. Remove unused CSS rules, especially from ServiceTitan (174KB) and Google Maps (49KB).
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More WordPress Speed Tests
Custom fonts block text rendering for 880ms, delaying FCP and creating poor user experience.
LCP element has 7.5 second resource load delay because it's not discoverable from initial HTML.
Unused assets waste 130KB of bandwidth and delay FCP by 1.05 seconds, severely impacting Core Web Vitals.
CSS files are blocking page rendering and delaying FCP by 8.99 seconds, severely impacting user experience.
Once your site is optimized, maintain that speed. Use DeployHQ for zero-downtime, automated deployments—so performance fixes and updates go live safely every time, without breaking your site.