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mobile · Wed, May 20, 2026 12:35 PM ·

demo

Perf

90/100

Global

92/100

Performance

Lighthouse Performance score

-1 vs prev

Accessibility

Lighthouse Accessibility score

-6 vs prev

Best Practices

Lighthouse Best Practices score

SEO

Lighthouse SEO score

-5 vs prev

Core Web Vitals

LCP

Largest Contentful Paint — time until the largest visible content element is rendered. Good = under 2.5s.

1617ms

Largest Contentful Paint

CLS

Cumulative Layout Shift — how much visible content unexpectedly shifts during load. Good = under 0.1.

0.03

Cumulative Layout Shift

INP

Interaction to Next Paint — latency between user input and the next paint. Good = under 200ms.

115ms

Interaction to Next Paint

TTFB

Time to First Byte — how long the server takes to respond with the first byte. Good = under 800ms.

159ms

Time to First Byte

Front-end ↔ Back-end breakdown

LCP composition 1617ms total

frontend 1458ms (90.2%)

Backend telemetry

Queries

11 (8 unique)

Query time

138ms

Memory peak

29.0MB

Cache hit rate

98%

Recommendations

seo

Meta description present

Warning

View all occurrences

A meta description improves click-through rate in search results.

Page details

Page weight

875 KB

HTTP requests

DOM elements

1,014

Render-blocking

294ms

LCP element

main > section.hero > img <img src="/images/hero.jpg" loading="eager">

Resource breakdown

Type	Count	Size
script	12	722 KB
stylesheet	5	127 KB
image	12	212 KB
font	4	103 KB
document	1	33 KB

Third-party impact

Entity	Transfer	Blocking	Main thread
Google Analytics	23 KB	60ms	100ms

Main thread breakdown

Slowest requests

URL	Type	Size	Duration
`vendor.js`	Script	371 KB	320ms
`products`	XHR	24 KB	227ms

Diagnostics

Critical request chain depth: 3 levels
Top JS execution costs: app.js 425ms

vendor.js 151ms