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STORE CONVERSION BENCHMARK

Function18 Revenue Leak Analysis

Based on our latest Chrome UX analysis, Function18 is losing a significant amount of revenue to poor mobile performance. Their LCP of 2.7s causes immediate bounces, while their unresponsive INP of 267ms frustrates the few shoppers who actually make it to checkout.

UX & Conversion Grade

B

Based on Chrome UX friction data

Core Web Vitals

Largest Contentful Paint

2.7s

Measures loading performance. Slow LCP directly correlates to higher cart abandonment rates.

Cumulative Layout Shift

0.01

Measures visual stability. High CLS causes mis-clicks and immediate user frustration (bounces).

Interaction to Next Paint

267ms

Measures responsiveness. High INP values result in "rage clicks" when users try to add items to their cart.

Time to First Byte

833ms

Server response time. High TTFB indicates unoptimized backend queries or missing Edge caching.

First Contentful Paint

2.5s

First visual feedback. High FCP means users stare at a blank white screen before the site loads.

INTERLINKED BENCHMARKS

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M

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U

UNTUCKit

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D

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LCP: 2.9s INP: 104ms
G

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Everything you need

Revenue Intelligence

Revenue Leak Detection

Superspeed's Predictive Conversion Engine correlates session performance with cart telemetry. We calculate the exact conversion rate difference between visitors experiencing "fast" loads and "slow" loads to output the precise amount of revenue lost—all without giving away the secret sauce.

Revenue Intelligence

Ghost Checkouts & Rage Clicks

Our Abandoned Cart Killer algorithm captures rapid, repeated clicks on unresponsive elements and links them to cart abandonment. We calculate the value of these ghost checkouts to evaluate recovery opportunities and pinpoint exactly where shoppers are dropping off.

Performance Optimization

Predictive Prerendering & Speculative Engine

Superspeed Neural Navigation Engine™ analyzes real-time user hover, touchstart, and purchase probability telemetry. Milliseconds before a shopper clicks a link, our active engine dynamically injects full Chrome speculation rules to pre-render the target page off-screen.

Performance Optimization

Automated Speed Engine

Superspeed uses a multi-tiered predictive algorithm that analyzes checkout data to figure out exactly what your customers want to buy before they even click. We pre-render the highest converting pages in the background, resulting in a zero-latency buyer journey.

Performance Optimization

Social Media Browser Bypass

When social traffic arrives, we detect the slow in-app browser and automatically bust the user out into their native browser (like Safari or Chrome), restoring Apple Pay and unlocking maximum conversion potential.

Revenue Intelligence

Automated Health Audits

Our structured insights engine evaluates your store telemetry daily to automatically uncover hidden health warnings. We prioritize the exact fixes that will increase your store's speed without requiring an engineering degree.

Loved by Merchants

Join thousands of Shopify store owners who have successfully plugged their revenue leaks.

View Wall of Love Read Case Studies

"I really enjoyed working with Superspeed and you have had the best support of any app provider I have ever met. I am a huge supporter and will always be a fan!"

TravelPro
United States
T

"Dan is the best! I use Superspeed for all of my clients. I used to have my dev teams spend weeks on optimization. Now I just install Superspeed and ping Dan anytime we need to re-optimize. All of my client sites now pass Core Web Vitals no problem. I don't know how he does it, great price for always having a fast website! Thanks Dan!!!"

Hollywood DJ
United States
H

"Yeah, this app does what it says. It couldn't have been easier (literally one click) and the app is incredibly effective. The only thing better than the app is the customer service. They are a delight to work with."

Davek Canada
United States
D

"I'm super impressed with how this app had helped our site speed. Overall, their customer service is phenomenal and their other site services they provide are super. I think this app is a must need for anyone looking to do serious business on their site."

Wild Kingdom
United States
W

"Managed to find this APP after having a lot of speed issues on our website. Dan has already gone a long way to making things faster and I look forward to the process going forward! Would recommend 1000000000000%"

Direct Computers
United Kingdom
D

"The team is very enthusiastic. My store performance score has risen from 17 to 38. Thank you very much"

Jackery Japan
Japan
J

"The founder and team of this company are impressive, my website score has improved from 27 points to 55 points, like magic, hope for long-term stable cooperation in the future"

ITAPNO
China
I

"Great app!, I don't know how they did this but improved my speed significantly. Would definitely recommend them and will have them on my Shopify to help me up to get the score even better"

Wine of Georgia
United Kingdom
W

"Dan was so insightful and truly instrumental in getting our site speed to surpass anything that would have been possible without Superspeed Google's Page Speed app. Now we're running quicker than ever and in a better position to place better on Google. The work was quick and exceeded expectations!"

Midori Bikinis
United States
M

Frequently Asked Questions

Everything you need to know about this feature.

Does Function18 have good Core Web Vitals?

Our analysis shows www.function18.com earns a B grade for mobile UX. With an LCP of 2.7s and an INP of 267ms, this metric indicates the level of friction customers experience at checkout.

What Shopify theme does Function18 use?

How does Function18's LCP affect revenue?

How responsive is the www.function18.com checkout?

Does Function18 have mis-click issues?

Does Function18 need a headless Shopify build?

What are the next steps for the Function18 engineering team?

How does Function18's speed compare to competitors?

Is Function18's mobile experience optimized?

How much money is Function18 losing to slow load times?

Does Function18 use Shopify Plus?

How can Function18 improve their conversion rate?

Can Superspeed fix www.function18.com?

What is the biggest revenue leak on www.function18.com?

Why is the Function18 cart page so slow?

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