Performance

· 17 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

SEO

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

2.26 s

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

3.46 s

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

0 ms

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

0.003

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

5.57 s

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

3.50 s

Page Load Progression

480 ms

961 ms

1.4 s

1.9 s

2.4 s

2.9 s

3.4 s

3.8 s

Checks

11 PASS 2 REVIEW 2 FIX

Third-Party Impact

Action

100% third-party, 0 ms blocking

FIX

100% third-party, 0 ms blocking

Third-party code accounts for 100% of page weight (439.2 KiB of 439.5 KiB)

Third-party blocking time is low (0 ms)

100%

First-party Third-party

HTTP Caching

Action

No cache headers

FIX

No cache headers

No Cache-Control header found

Browsers will use heuristic caching, which can be unpredictable. Set explicit cache headers.

No Cache-Control header

Adding a Cache-Control header can significantly improve repeat-visit performance.

Image Optimization

65 images, 0 KB saveable

REVIEW

65 images, 0 KB saveable

All images are well-optimized

65 images 51 KB

0 oversized -0 KB

10 legacy format

0 missing dimensions CLS risk

JS Execution Cost

Action

1596ms total JS execution

REVIEW

1596ms total JS execution

https://www.iubenda.com/en/: 1054ms CPU time

Unattributable: 541ms CPU time

Third-party scripts: 1596ms (100% of total)

Main Thread Breakdown

Other 38% Style & Layout 25% Script Evaluation 23% Parse HTML & CSS 7% Rendering 6%

Script	Total	Scripting	Parse/Compile	Party
https://www.iubenda.com/en/	1054ms	343ms	8ms	3rd
Unattributable	541ms	8ms	0ms	3rd

A+

Page Weight Budget

439 KB transferred, 88 requests

PASS

439 KB transferred, 88 requests

Page weighs 1018 KB (439 KB transferred)

Fonts are 252 KB — consider subsetting or using system fonts

Subset fonts to include only used characters, or switch to system font stacks.

Got: 252 KB

88 HTTP requests

Estimated 0.09 g CO2 per page load

439 KB transferred

88 requests

0.09 g CO2 per page load

Fonts 252.0 KiB 57%

HTML 60.3 KiB 14%

Images 50.6 KiB 12%

CSS 35.9 KiB 8%

JavaScript 29.7 KiB 7%

Other 11.0 KiB 2%

0 2.4 MB 4.9 MB

Under budget

Subset fonts to include only used characters, or switch to system font stacks.

Why this matters

Font payload is large — subset to used glyphs only, or fall back to system fonts (zero load time).

Source: web.dev font loading

A+

Text Compression

All text resources are compressed

PASS

All text resources are compressed

All text resources are properly compressed.

A+

Font Loading

6 fonts (252 KB)

PASS

6 fonts (252 KB)

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

Web fonts

252 KB total

Render-blocking

of 6

Dominant font-display

swap

Most common across fonts

Font loading timeline

Transfer FOIT (block) FOUT (swap)

Poppins-Bold.woff2 woff2 swap

Size 50 KB

Load time 8 ms

Start 3.2 s