Performance

· 22 checks — Lighthouse + waterfall + sustainability rolled into one auditable list.

SCORE

GRADE

FIX

REVIEW

PASS

INFO

Performance-focused optimization plan with CWV assessment, top offenders, and time estimates

Mobile Desktop

Performance

Accessibility

100

Best Practices

100

SEO

First Contentful Paint First Contentful Paint — how long until the browser renders the first piece of content. Under 1.8s is good.

662 ms

Largest Contentful Paint Largest Contentful Paint — how long until the largest visible element loads. Under 2.5s is good.

950 ms

Total Blocking Time Total Blocking Time — total time the main thread was blocked, preventing user input. Under 200ms is good.

15 ms

Cumulative Layout Shift Cumulative Layout Shift — measures visual stability. How much the page layout shifts during loading. Under 0.1 is good.

0.046

Speed Index Speed Index — how quickly content is visually displayed during load. Under 3.4s is good.

662 ms

Time to Interactive Time to Interactive — how long until the page is fully interactive and responds to user input. Under 3.8s is good.

955 ms

Page Load Progression

375 ms

750 ms

1.1 s

1.5 s

1.9 s

2.2 s

2.6 s

3.0 s

Checks

17 PASS 2 REVIEW

Image Optimization

6 images, 0 KB saveable

REVIEW

6 images, 0 KB saveable

https://engelcoatings.com/wp-content/uploads/2022/... is missing width/height — may cause layout shift

Set explicit width and height to prevent CLS.

6 images 491 KB

0 oversized -0 KB

3 legacy format

1 missing dimensions CLS risk

Set explicit width and height to prevent CLS.

Why this matters

Image without explicit width/height — browser can't reserve space; CLS jumps when image loads.

Source: web.dev / Core Web Vitals

HTTP Caching

public, no-cache

REVIEW

public, no-cache

Cache-Control header is set

Got: public, no-cache

No ETag or Last-Modified header

Conditional requests (304 Not Modified) are not possible without validators.

Cache-Control

public, no-cache

Directive	Value	Meaning
public	—	Any cache may store this response
no-cache	—	Cache but always revalidate first

Page Weight Budget

791 KB transferred, 45 requests

PASS

791 KB transferred, 45 requests

Page weighs 1.8 MB (791 KB transferred)

45 HTTP requests

Estimated 0.16 g CO2 per page load

791 KB transferred

45 requests

0.16 g CO2 per page load

Images 491.1 KiB 62%

JavaScript 93.8 KiB 12%

CSS 86.0 KiB 11%

Fonts 70.3 KiB 9%

HTML 47.8 KiB 6%

Other 1.8 KiB 0%

Other 469 B 0%

0 2.4 MB 4.9 MB

Under budget

A+

Third-Party Impact

1% third-party, 0 ms blocking

PASS

1% third-party, 0 ms blocking

Third-party code accounts for 1% of page weight (11.3 KiB of 791.4 KiB)

Third-party blocking time is low (0 ms)

99%

First-party Third-party

A+

Text Compression

All text resources are compressed

PASS

All text resources are compressed

All text resources are properly compressed.

A+

JS Execution Cost

270ms total JS execution

PASS

270ms total JS execution

https://engelcoatings.com/: 134ms CPU time

https://engelcoatings.com/wp-content/plugins/oxyge...: 80ms CPU time

Unattributable: 56ms CPU time

Main Thread Breakdown

Script Evaluation 34% Style & Layout 25% Other 23% Parse HTML & CSS 10% Script Parsing & Compilation 4% Rendering 3%

Script	Total	Scripting	Parse/Compile	Party
https://engelcoatings.com/	134ms	2ms	1ms	1st
https://engelcoatings.com/wp-content/plugins/oxygen/component-framework/vendor/alpinejs/alpinejs.3.10.5.js	80ms	69ms	1ms	1st
Unattributable	56ms	2ms	0ms	1st

A+

Font Loading

5 fonts (70 KB)

PASS

5 fonts (70 KB)

5 font(s) use font-display: swap (FOUT risk but functional)

Web fonts

70 KB total

Render-blocking

of 5

Dominant font-display

swap

Most common across fonts

Font loading timeline

Transfer FOIT (block) FOUT (swap)

pxiByp8kv8JHgFVrLGT9Z1x... woff2 swap

Size 8 KB

Load time 29 ms

Start 412 ms