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Performance

· 16 checks — Lighthouse + waterfall + sustainability rolled into one auditable list.
SCORE
74
GRADE
C
FIX
5
REVIEW
1
PASS
8
INFO
2

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

Mobile Desktop
45
Performance Overall performance score (0–100) based on Core Web Vitals and other metrics. 90+ is good.
85
Accessibility Measures how accessible the page is for users with disabilities. Checks color contrast, ARIA labels, and semantic HTML.
96
Best Practices Checks for modern web development best practices including HTTPS, no console errors, and secure JavaScript.
92
SEO Measures basic SEO optimizations: meta tags, crawlability, link text, and mobile friendliness.

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

2.15 s

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

77.13 s

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

794 ms

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

0.002

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

11.26 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.

81.55 s

Page Load Progression

571 ms
1.1 s
1.7 s
2.3 s
2.9 s
3.4 s
4.0 s
4.6 s
Checks
16
8 PASS 1 REVIEW 5 FIX
F
Page Weight Budget
Action
15.6 MB transferred, 249 requests
FIX
15.6 MB transferred, 249 requests
Critical::
Page weighs 22.9 MB (15.6 MB transferred)
Warning::
Images are 12.7 MB — compress or use modern formats
Convert images to WebP/AVIF and resize to display dimensions to reduce transfer size.
Got: 12.7 MB
Warning::
JavaScript is 1.1 MB — consider code splitting or lazy loading
Large JavaScript bundles delay interactivity. Split code by route or defer non-critical scripts.
Got: 1.1 MB
Info::
Fonts are 671 KB — consider subsetting or using system fonts
Subset fonts to include only used characters, or switch to system font stacks.
Got: 671 KB
Warning::
249 HTTP requests — consider bundling or reducing
Each request adds latency. Bundle small files, use sprites, or eliminate unnecessary requests.
Info::
Estimated 3.3 g CO2 per page load
15.6 MB / 2.4 MB budget
15.6 MB transferred
249 requests
3.3 g CO2 per page load
Images 12.7 MiB 82%
JavaScript 1.1 MiB 7%
Other 929.7 KiB 6%
Fonts 671.0 KiB 4%
Other 76.8 KiB 0%
HTML 57.0 KiB 0%
CSS 35.2 KiB 0%
Other 9.5 KiB 0%
Other 5.5 KiB 0%
Other 0 B 0%
0 2.4 MB 4.9 MB
Over budget

Convert images to WebP/AVIF and resize to display dimensions to reduce transfer size.

Why this matters

Image bandwidth is high — modern formats (WebP/AVIF) and resizing typically cut it 50%+.

Source: web.dev

Large JavaScript bundles delay interactivity. Split code by route or defer non-critical scripts.

Why this matters

JavaScript bundle is large — code-split routes and lazy-load off-screen components to defer.

Source: web.dev

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

Each request adds latency. Bundle small files, use sprites, or eliminate unnecessary requests.

Why this matters

High HTTP request count — bundling, sprite-ing, and HTTP/2 server push can reduce per-request overhead.

Source: web.dev

D
Third-Party Impact
Action
100% third-party, 0 ms blocking
FIX
100% third-party, 0 ms blocking
Warning::
Third-party code accounts for 100% of page weight (15.6 MiB of 15.6 MiB)
Info::
Third-party blocking time is low (0 ms)
100%
First-party Third-party
F
JS Execution Cost
Action
175255ms total JS execution
FIX
175255ms total JS execution
Warning::
https://cdn.attn.tv/beautybakerie/dtag.js: 168876ms CPU time
Warning::
https://www.beautybakerie.com/: 3858ms CPU time
Warning::
Unattributable: 635ms CPU time
Warning::
https://www.googletagmanager.com/gtag/js?id=G-P4SV...: 375ms CPU time
Info::
https://static.klaviyo.com/onsite/js/1011.fa12d00c...: 250ms CPU time
Warning::
Third-party scripts: 175255ms (100% of total)

Main Thread Breakdown

Script Evaluation 96%
ScriptTotalScriptingParse/CompileParty
https://cdn.attn.tv/beautybakerie/dtag.js168876ms166624ms1ms3rd
https://www.beautybakerie.com/3858ms211ms15ms3rd
Unattributable635ms32ms0ms3rd
https://www.googletagmanager.com/gtag/js?id=G-P4SVK2H9N8375ms308ms64ms3rd
https://static.klaviyo.com/onsite/js/1011.fa12d00c7a08724d2839.js250ms187ms2ms3rd
https://cdn.accessibly.app/accessibly/2.0.3/accessibly.js165ms31ms21ms3rd
https://www.beautybakerie.com/cdn/shop/t/427/assets/theme.js?v=90278808250692751391763673199161ms10ms0ms3rd
https://static.klaviyo.com/onsite/js/build-preview/commit-98747c9b1816a2f78e748cdc073a286a0296d9f7/vendors~in_app_forms~signup_forms~reviews~atlas.0201e888d834a3782e3a.js?cb=2137ms124ms2ms3rd
https://www.beautybakerie.com/cdn/shopifycloud/perf-kit/shopify-perf-kit-3.3.1.min.js123ms105ms7ms3rd
https://cdn.attn.tv/tag/4-latest/unified-tag.js?v=4-latest_377e072d20119ms96ms16ms3rd

Showing top 10 of 18 scripts

D
JS Bundles
Action
121 scripts, 374 KB unused
FIX
121 scripts, 374 KB unused
Warning::
https://cdn.accessibly.app/accessibly/2.0.3/access...: 75 KB unused (34%)
Consider code splitting or tree shaking to reduce unused code.
Warning::
https://www.googletagmanager.com/gtag/js?id=G-P4SV...: 59 KB unused (35%)
Consider code splitting or tree shaking to reduce unused code.
Warning::
https://static-tracking.klaviyo.com/onsite/js/buil...: 37 KB unused (71%)
Consider code splitting or tree shaking to reduce unused code.
Warning::
https://cdn1.stamped.io/files/widget.min.js: 31 KB unused (100%)
Consider code splitting or tree shaking to reduce unused code.
Warning::
https://cdn1.stamped.io/files/widget.min.js: 31 KB unused (100%)
Consider code splitting or tree shaking to reduce unused code.
Info::
Total unused JavaScript: 374 KB
374 KB unused JavaScript

Downloaded but never executed on this page.

ScriptSizeUnusedMinifiedParty
https://cdn.accessibly.app/accessibly/2.0.3/accessibly.js222 KB75 KB (34%)✓3rd
https://www.googletagmanager.com/gtag/js?id=G-P4SVK2H9N8167 KB59 KB (35%)✓3rd
https://static-tracking.klaviyo.com/onsite/js/build-preview/commit-98747c9b1816a2f78e748cdc073a286a0296d9f7/Render.f778b94f6021eec68929.js52 KB37 KB (71%)✓3rd
https://cdn1.stamped.io/files/widget.min.js0 KB31 KB (100%)✓3rd
https://cdn1.stamped.io/files/widget.min.js32 KB31 KB (100%)✓3rd
https://www.beautybakerie.com/cdn/wpm/b0e8c7c7aw41bd75a1p837d7fd4m8b145375m.js61 KB30 KB (51%)✓3rd
https://www.beautybakerie.com/cdn/shop/t/427/assets/legacy.js?v=13136944609600667846176367314439 KB29 KB (75%)✓3rd
https://cdn.attn.tv/tag/4-latest/unified-tag.js?v=4-latest_377e072d2049 KB29 KB (58%)✓3rd
https://cdn1.stamped.io/files/widget.min.js?shop=beauty-bakerie-dev.myshopify.com32 KB27 KB (86%)✓3rd
https://sdk.loyaltylion.net/static/2/20260408/loader.js37 KB26 KB (71%)✓3rd

Consider code splitting or tree shaking to reduce unused code.

Why this matters

This bundle has high unused code — code-split or tree-shake to ship only what executes.

Source: web.dev / Lighthouse coverage

Consider code splitting or tree shaking to reduce unused code.

Why this matters

This bundle has high unused code — code-split or tree-shake to ship only what executes.

Source: web.dev / Lighthouse coverage

Consider code splitting or tree shaking to reduce unused code.

Why this matters

This bundle has high unused code — code-split or tree-shake to ship only what executes.

Source: web.dev / Lighthouse coverage

Consider code splitting or tree shaking to reduce unused code.

Why this matters

This bundle has high unused code — code-split or tree-shake to ship only what executes.

Source: web.dev / Lighthouse coverage

Consider code splitting or tree shaking to reduce unused code.

Why this matters

This bundle has high unused code — code-split or tree-shake to ship only what executes.

Source: web.dev / Lighthouse coverage

D
HTTP Caching
Action
no-store (uncacheable)
FIX
no-store (uncacheable)
Info::
Cache-Control: no-store prevents all caching
Intentional for dynamic content, but increases server load for every page view.
Got: private, max-age=0, no-store, no-cache, must-revalidate, post-check=0, pre-check=0
Info::
No ETag or Last-Modified header
Conditional requests (304 Not Modified) are not possible without validators.
Cache-Control

private, max-age=0, no-store, no-cache, must-revalidate, post-check=0, pre-check=0

DirectiveValueMeaning
private—Only browser cache, not CDN/proxy
max-age0Cache for 0 seconds
no-store—Never cache this response
no-cache—Cache but always revalidate first
must-revalidate—Must recheck with server after expiry
post-check0
pre-check0
B
Image Optimization
34 images, 0 KB saveable
REVIEW
34 images, 0 KB saveable
Info::
All images are well-optimized
34 images 12.7 MB
0 oversized -0 KB
4 legacy format
0 missing dimensions CLS risk
A+
Text Compression
All text resources are compressed
PASS
All text resources are compressed
Info::
All text resources are compressed
All text resources are properly compressed.
A+
Font Loading
13 fonts (671 KB)
PASS
13 fonts (671 KB)
Info::
13 font(s) use font-display: swap (FOUT risk but functional)

Web fonts

13

671 KB total

Render-blocking

0

of 13

Dominant font-display

swap

Most common across fonts

Font loading timeline
Transfer FOIT (block) FOUT (swap)
0 ms 2.0 s 4.0 s 6.0 s 8.0 s 10.0 s 12.0 s 14.0 s 16.0 s 18.0 s 20.0 s 22.0 s 24.0 s 26.0 s 28.0 s 30.0 s 32.0 s 34.0 s 36.0 s 38.0 s 40.0 s 42.0 s 44.0 s 46.0 s 48.0 s 50.0 s 52.0 s 54.0 s 56.0 s 58.0 s 60.0 s 62.0 s 64.0 s 66.0 s 68.0 s 70.0 s 72.0 s 74.0 s 76.0 s 78.0 s 80.0 s FCP 2.2 s LCP 77.1 shttps://www.beautybakerie.com/cdn/fonts/halant/halant_n4.7a3ca1dd5e401bca6e0e60419988fc6cfb4396fb.woff2halant_n4.7a3ca1dd5e401... https://www.beautybakerie.com/cdn/fonts/halant/halant_n4.7a3ca1dd5e401bca6e0e60419988fc6cfb4396fb.woff2 — 18.8 KiB — 0 ms — font-display: swaphttps://www.beautybakerie.com/cdn/fonts/muli/muli_n4.e949947cfff05efcc994b2e2db40359a04fa9a92.woff2muli_n4.e949947cfff05ef... https://www.beautybakerie.com/cdn/fonts/muli/muli_n4.e949947cfff05efcc994b2e2db40359a04fa9a92.woff2 — 14.9 KiB — 0 ms — font-display: swaphttps://www.beautybakerie.com/cdn/shop/t/427/assets/proxima-nova.woff?v=2142117138922629521763673152proxima-nova.woff https://www.beautybakerie.com/cdn/shop/t/427/assets/proxima-nova.woff?v=2142117138922629521763673152 — 47.2 KiB — 0 ms — font-display: swaphttps://www.beautybakerie.com/cdn/shop/t/427/assets/proxima-nova-bold.woff?v=113778375131284079541763673151proxima-nova-bold.woff https://www.beautybakerie.com/cdn/shop/t/427/assets/proxima-nova-bold.woff?v=113778375131284079541763673151 — 77.1 KiB — 0 ms — font-display: swaphttps://www.beautybakerie.com/cdn/shop/t/427/assets/bebas.woff?v=17548525790627382021763673120bebas.woff https://www.beautybakerie.com/cdn/shop/t/427/assets/bebas.woff?v=17548525790627382021763673120 — 15.8 KiB — 0 ms — font-display: swaphttps://www.beautybakerie.com/cdn/shop/t/427/assets/ionicons.woff?v=69772108530810463721763673143ionicons.woff https://www.beautybakerie.com/cdn/shop/t/427/assets/ionicons.woff?v=69772108530810463721763673143 — 53.0 KiB — 0 ms — font-display: swaphttps://www.beautybakerie.com/cdn/shop/t/427/assets/wild-spirit.woff?v=87102468771406255111763673180wild-spirit.woff https://www.beautybakerie.com/cdn/shop/t/427/assets/wild-spirit.woff?v=87102468771406255111763673180 — 306.8 KiB — 0 ms — font-display: swaphttps://www.beautybakerie.com/cdn/shop/files/proxima-nova-webfont.woff2proxima-nova-webfont.woff2 https://www.beautybakerie.com/cdn/shop/files/proxima-nova-webfont.woff2 — 19.7 KiB — 0 ms — font-display: swaphttps://www.beautybakerie.com/cdn/shop/t/427/assets/proxima-nova-bold.woff2?v=66588467316479630161763673152proxima-nova-bold.woff2 https://www.beautybakerie.com/cdn/shop/t/427/assets/proxima-nova-bold.woff2?v=66588467316479630161763673152 — 26.9 KiB — 0 ms — font-display: swaphttps://cdn.shopify.com/shop-assets/static_uploads/shoplift/GTStandard-MRegular.woff2GTStandard-MRegular.woff2 https://cdn.shopify.com/shop-assets/static_uploads/shoplift/GTStandard-MRegular.woff2 — 63.2 KiB — 0 ms — font-display: swaphttps://static.klaviyo.com/onsite/hosted-fonts/Poppins/latin/poppins_latin_regular_400_2.woff2poppins_latin_regular_4... https://static.klaviyo.com/onsite/hosted-fonts/Poppins/latin/poppins_latin_regular_400_2.woff2 — 8.0 KiB — 0 ms — font-display: swaphttps://static.klaviyo.com/onsite/hosted-fonts/Poppins/latin/poppins_latin_regular_700.woff2poppins_latin_regular_7... https://static.klaviyo.com/onsite/hosted-fonts/Poppins/latin/poppins_latin_regular_700.woff2 — 7.9 KiB — 0 ms — font-display: swaphttps://cdn.accessibly.app/accessibly/2.0.3/f8cef3fb44145ec4.wofff8cef3fb44145ec4.woff https://cdn.accessibly.app/accessibly/2.0.3/f8cef3fb44145ec4.woff — 11.7 KiB — 0 ms — font-display: swap
halant_n4.7a3ca1dd5e401... woff2 swap
Size 19 KB
Load time 0 ms
Start 0 ms
Risk FOUT — text flashes from fallback to web font
muli_n4.e949947cfff05ef... woff2 swap
Size 15 KB
Load time 0 ms
Start 0 ms
Risk FOUT — text flashes from fallback to web font
proxima-nova.woff woff swap
Size 47 KB
Load time 0 ms
Start 0 ms
Risk FOUT — text flashes from fallback to web font
  • Convert to woff2 for ~30% smaller file size
proxima-nova-bold.woff woff swap
Size 77 KB
Load time 0 ms
Start 0 ms
Risk FOUT — text flashes from fallback to web font
  • Convert to woff2 for ~30% smaller file size
bebas.woff woff swap
Size 16 KB
Load time 0 ms
Start 0 ms
Risk FOUT — text flashes from fallback to web font
  • Convert to woff2 for ~30% smaller file size
ionicons.woff woff swap
Size 53 KB
Load time 0 ms
Start 0 ms
Risk FOUT — text flashes from fallback to web font
  • Convert to woff2 for ~30% smaller file size
wild-spirit.woff woff swap
Size 307 KB
Load time 0 ms
Start 0 ms
Risk FOUT — text flashes from fallback to web font
  • Convert to woff2 for ~30% smaller file size
  • Subset this font — over 100 KB suggests Latin Extended or full glyph coverage that most pages don't need
proxima-nova-webfont.woff2 woff2 swap
Size 20 KB
Load time 0 ms
Start 0 ms
Risk FOUT — text flashes from fallback to web font
proxima-nova-bold.woff2 woff2 swap
Size 27 KB
Load time 0 ms
Start 0 ms
Risk FOUT — text flashes from fallback to web font
GTStandard-MRegular.woff2 woff2 swap
Size 63 KB
Load time 0 ms
Start 0 ms
Risk FOUT — text flashes from fallback to web font
poppins_latin_regular_4... woff2 swap
Size 8 KB
Load time 0 ms
Start 0 ms
Risk FOUT — text flashes from fallback to web font
poppins_latin_regular_7... woff2 swap
Size 8 KB
Load time 0 ms
Start 0 ms
Risk FOUT — text flashes from fallback to web font
f8cef3fb44145ec4.woff woff swap
Size 12 KB
Load time 0 ms
Start 0 ms
Risk FOUT — text flashes from fallback to web font
  • Convert to woff2 for ~30% smaller file size
Optimization checklist
  • Preload critical fonts (priority=high)
  • Use woff2 format for all fonts
  • Set font-display to swap, optional, or fallback
  • Subset large fonts (≤100 KB each)

Fixing the unchecked items could save ~307 KB and ~614 ms

A+
Resource Caching
All resources properly cached
PASS
All resources properly cached
Info::
No caching issues found
All static resources have appropriate caching headers.
A+
Critical Rendering Path
No render-blocking resources
PASS
No render-blocking resources
Info::
No render-blocking resources detected
A+
Resource Hints
7 hints, 0 missing preconnects
PASS
7 hints, 0 missing preconnects
Info::
Page uses 7 resource hint(s)

Current Resource Hints

preconnect
3
preload
2
dns-prefetch
2
prefetch
—

7 resource hints configured

A+
Render-Blocking Resources
No render-blocking resources detected
PASS
No render-blocking resources detected
Info::
No render-blocking resources detected in <head>
A+
Third-Party Resources
No third-party resources detected
PASS
No third-party resources detected
A+
Green Hosting
Whether the site is served from green-energy infrastructure
PASS

Green Hosting

This site is hosted on green energy infrastructure

Provider: Cloudflare

Network Waterfall
249 requests over 0ms
INFO

Performance analysis not available for this result.

Third-Party Script Cost
Per-script blocking time, transfer cost, and cache headers
INFO
100% of JavaScript execution is third-party
First-party Third-party 175255ms · 824KB · €929/mo
cdn.attn.tv
Other
Costly
Execution 168876ms
Transfer 3 KB
Monthly Cost €895/mo
www.beautybakerie.com
Other
Costly
Execution 3858ms
Transfer 54 KB
Monthly Cost €20/mo
Unattributable
Other
Costly
Execution 635ms
Transfer 0 KB
Monthly Cost €3/mo
Google Tag Manager
Tag Manager
Costly
Execution 375ms
Transfer 167 KB
Unused 35%
Monthly Cost €2/mo
static.klaviyo.com
Other
Costly
Execution 250ms
Transfer 8 KB
Monthly Cost €1/mo
cdn.accessibly.app
Other
Optional
Execution 165ms
Transfer 222 KB
Unused 34%
Monthly Cost €1/mo
www.beautybakerie.com
Other
Optional
Execution 161ms
Transfer 27 KB
Monthly Cost €1/mo
static.klaviyo.com
Other
Optional
Execution 137ms
Transfer 10 KB
Monthly Cost €1/mo
www.beautybakerie.com
Other
Optional
Execution 123ms
Transfer 21 KB
Monthly Cost €1/mo
cdn.attn.tv
Other
Optional
Execution 119ms
Transfer 49 KB
Unused 58%
Monthly Cost €1/mo
static.klaviyo.com
Other
Optional
Execution 106ms
Transfer 23 KB
Monthly Cost €1/mo
static-tracking.klaviyo.com
Other
Optional
Execution 88ms
Transfer 52 KB
Unused 71%
Monthly Cost €0/mo
code.jquery.com
Other
Optional
Execution 69ms
Transfer 30 KB
Monthly Cost €0/mo
www.beautybakerie.com
Other
Optional
Execution 67ms
Transfer 61 KB
Unused 51%
Monthly Cost €0/mo
www.beautybakerie.com
Other
Optional
Execution 62ms
Transfer 28 KB
Monthly Cost €0/mo
www.beautybakerie.com
Other
Optional
Execution 57ms
Transfer 23 KB
Monthly Cost €0/mo
cdn.accessibly.app
Other
Optional
Execution 55ms
Transfer 5 KB
Monthly Cost €0/mo
www.beautybakerie.com
Other
Optional
Execution 53ms
Transfer 39 KB
Unused 75%
Monthly Cost €0/mo

These scripts may cost more than they're worth

  • cdn.attn.tv adds 168876ms and costs ~€895/month
  • www.beautybakerie.com adds 3858ms and costs ~€20/month
  • Unattributable adds 635ms and costs ~€3/month
  • Google Tag Manager adds 375ms and costs ~€2/month
  • static.klaviyo.com adds 250ms and costs ~€1/month

100% of JavaScript execution time is spent on third-party scripts. Consider auditing which scripts are essential.

Why this matters

When third-party JS execution time exceeds your own, performance gains from frontend work are capped by code you don't own.

Learn more ▾

Every millisecond of third-party JS competes with your own for main-thread time. If their share is bigger than yours, optimization on your code base barely moves the needle. Audit, defer, or remove third-parties before further frontend optimization. Use Lighthouse's third-party audit to identify the worst offenders.

Source: web.dev

cdn.attn.tv takes 168876ms of CPU time. Consider loading it asynchronously or replacing it with a lighter alternative.

Why this matters

This script has high main-thread execution time — optimize hot paths or defer.

Source: web.dev

www.beautybakerie.com takes 3858ms of CPU time. Consider loading it asynchronously or replacing it with a lighter alternative.

Why this matters

This script has high main-thread execution time — optimize hot paths or defer.

Source: web.dev

Unattributable takes 635ms of CPU time. Consider loading it asynchronously or replacing it with a lighter alternative.

Why this matters

This script has high main-thread execution time — optimize hot paths or defer.

Source: web.dev

Google Tag Manager takes 375ms of CPU time. Consider loading it asynchronously or replacing it with a lighter alternative.

Why this matters

This script has high main-thread execution time — optimize hot paths or defer.

Source: web.dev

static.klaviyo.com takes 250ms of CPU time. Consider loading it asynchronously or replacing it with a lighter alternative.

Why this matters

This script has high main-thread execution time — optimize hot paths or defer.

Source: web.dev

58% of cdn.attn.tv's code is unused. The script may be loading features you don't use.

Why this matters

Bundle has high unused-code ratio — tree-shaking and route-splitting recover the wasted bytes.

Source: web.dev

71% of static-tracking.klaviyo.com's code is unused. The script may be loading features you don't use.

Why this matters

Bundle has high unused-code ratio — tree-shaking and route-splitting recover the wasted bytes.

Source: web.dev

51% of www.beautybakerie.com's code is unused. The script may be loading features you don't use.

Why this matters

Bundle has high unused-code ratio — tree-shaking and route-splitting recover the wasted bytes.

Source: web.dev

75% of www.beautybakerie.com's code is unused. The script may be loading features you don't use.

Why this matters

Bundle has high unused-code ratio — tree-shaking and route-splitting recover the wasted bytes.

Source: web.dev

How third-party costs are calculated

All checks on this page are automated. Results are estimates - run targeted manual reviews when the score affects a release decision.

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