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Performance

· 15 checks — Lighthouse + waterfall + sustainability rolled into one auditable list.
SCORE
71
GRADE
C
FIX
4
REVIEW
4
PASS
5
INFO
2

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

Mobile Desktop
80
Performance Overall performance score (0–100) based on Core Web Vitals and other metrics. 90+ is good.
90
Accessibility Measures how accessible the page is for users with disabilities. Checks color contrast, ARIA labels, and semantic HTML.
77
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.

1.18 s

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

2.31 s

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

20 ms

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

0.000

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

2.41 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.

3.06 s

Page Load Progression

534 ms
1.1 s
1.6 s
2.1 s
2.7 s
3.2 s
3.7 s
4.3 s
Checks
15
5 PASS 4 REVIEW 4 FIX
F
Page Weight Budget
Action
9.8 MB transferred, 85 requests
FIX
9.8 MB transferred, 85 requests
Critical::
Page weighs 13.2 MB (9.8 MB transferred)
Warning::
Images are 1.5 MB — compress or use modern formats
Convert images to WebP/AVIF and resize to display dimensions to reduce transfer size.
Got: 1.5 MB
Warning::
JavaScript is 630 KB — consider code splitting or lazy loading
Large JavaScript bundles delay interactivity. Split code by route or defer non-critical scripts.
Got: 630 KB
Info::
Fonts are 264 KB — consider subsetting or using system fonts
Subset fonts to include only used characters, or switch to system font stacks.
Got: 264 KB
Info::
85 HTTP requests
Info::
Estimated 2.1 g CO2 per page load
9.8 MB / 2.4 MB budget
9.8 MB transferred
85 requests
2.1 g CO2 per page load
Other 7.2 MiB 74%
Images 1.5 MiB 15%
JavaScript 629.7 KiB 6%
Fonts 263.7 KiB 3%
CSS 156.2 KiB 2%
Other 46.7 KiB 0%
HTML 24.5 KiB 0%
Other 3.7 KiB 0%
Other 2.6 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

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 (9.8 MiB of 9.8 MiB)
Info::
Third-party blocking time is low (0 ms)
100%
First-party Third-party
D
Page Weight Inventory
Action
85 resources · 9.8 MB · 277 KB savings available
FIX
85 resources · 9.8 MB · 277 KB savings available
Warning::
Page weight 8.8 MB over 1MB target
Got: 9.8 MB Expected: ≤ 1 MB
Info::
~277 KB of savings available
Warning::
84 third-party resources (100% of weight)
Info::
2 resources over 200KB
85 resources · 9.8 MiB · 84 third-party 8.8 MiB over 1MB target
Media 74% · 7.2 MiB
Image 15% · 1.5 MiB
JavaScript 6% · 629.7 KiB
Font 3% · 263.7 KiB
CSS 2% · 156.2 KiB
Other 0% · 47.5 KiB
Document 0% · 26.7 KiB

~276.7 KiB of savings available

Remove unused JavaScript: 276.7 KiB
F
HTTP Caching
Action
No cache headers
FIX
No cache headers
Warning::
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.

C
Image Optimization
Action
30 images, 0 KB saveable
REVIEW
30 images, 0 KB saveable
Warning::
https://www.3m.com/3m_theme_assets/themes/3MTheme/... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
https://multimedia.3m.com/mws/media/2526168E/indus... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
https://www.3m.com/3m_theme_assets/themes/3MTheme/... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
30 images 1.5 MB
0 oversized -0 KB
7 legacy format
3 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

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

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

B
JS Execution Cost
890ms total JS execution
REVIEW
890ms total JS execution
Info::
https://www.3m.com/: 192ms CPU time
Info::
Unattributable: 149ms CPU time
Info::
https://cdn-prod.securiti.ai/consent/cookie-consen...: 142ms CPU time
Info::
https://tags.tiqcdn.com/utag/3m/en-us/prod/utag.js...: 120ms CPU time
Info::
https://www.3m.com/3m_theme_assets/themes/3MTheme/...: 106ms CPU time
Warning::
Third-party scripts: 890ms (100% of total)

Main Thread Breakdown

Script Evaluation 51% Other 23% Style & Layout 12% Script Parsing & Compilation 7% Rendering 4%
ScriptTotalScriptingParse/CompileParty
https://www.3m.com/192ms2ms1ms3rd
Unattributable149ms6ms0ms3rd
https://cdn-prod.securiti.ai/consent/cookie-consent-sdk-loader.js142ms133ms1ms3rd
https://tags.tiqcdn.com/utag/3m/en-us/prod/utag.js?v=3.187.0120ms95ms25ms3rd
https://www.3m.com/3m_theme_assets/themes/3MTheme/assets/scripts/build/lib-thirdparty/domReady.js?v=3.187.0106ms91ms0ms3rd
https://www.3m.com/ruxitagentjs_ICANVfghqrux_10335260306043831.js93ms50ms4ms3rd
https://www.3m.com/3m_theme_assets/themes/3MTheme/assets/scripts/build/main.js?v=3.187.087ms65ms13ms3rd
C
JS Bundles
Action
21 scripts, 277 KB unused
REVIEW
21 scripts, 277 KB unused
Warning::
https://cdn-prod.securiti.ai/consent/cookie-consen...: 86 KB unused (75%)
Consider code splitting or tree shaking to reduce unused code.
Warning::
https://www.3m.com/3m_theme_assets/themes/3MTheme/...: 74 KB unused (63%)
Consider code splitting or tree shaking to reduce unused code.
Warning::
https://www.3m.com/ruxitagentjs_ICANVfghqrux_10335...: 32 KB unused (40%)
Consider code splitting or tree shaking to reduce unused code.
Warning::
https://config.datas3ntinel.com/rules/904990c9-fc1...: 31 KB unused (73%)
Consider code splitting or tree shaking to reduce unused code.
Warning::
https://www.3m.com/3m_theme_assets/static/typeAhea...: 28 KB unused (47%)
Consider code splitting or tree shaking to reduce unused code.
Info::
Total unused JavaScript: 277 KB
277 KB unused JavaScript

Downloaded but never executed on this page.

ScriptSizeUnusedMinifiedParty
https://cdn-prod.securiti.ai/consent/cookie-consent-sdk-latest.js114 KB86 KB (75%)✓3rd
https://www.3m.com/3m_theme_assets/themes/3MTheme/assets/scripts/build/main.js?v=3.187.0118 KB74 KB (63%)✓3rd
https://www.3m.com/ruxitagentjs_ICANVfghqrux_10335260306043831.js81 KB32 KB (40%)✓3rd
https://config.datas3ntinel.com/rules/904990c9-fc11-407c-ab03-8ccea1884823/sentinel.js?iv=1.06&ns=_si42 KB31 KB (73%)✓3rd
https://www.3m.com/3m_theme_assets/static/typeAhead/typeAheadV1.js60 KB28 KB (47%)✓3rd
https://tags.tiqcdn.com/utag/3m/en-us/prod/utag.js?v=3.187.0157 KB27 KB (17%)✓3rd
https://www.3m.com/3m_theme_assets/themes/3MTheme/assets/scripts/build/require_config.js7 KB—✓3rd
https://www.3m.com/3m_theme_assets/themes/3MTheme/assets/scripts/build/kungfu/Tealium/TealiumCookie.js?v=3.187.03 KB—✓3rd
https://cdn-prod.securiti.ai/consent/auto_blocking/0638aaa2-354a-44c0-a777-ea4db9f7bf8a/6b6b9bd3-ba56-4136-8ed8-6ca3b3b8433b.js0 KB—✓3rd
https://www.3m.com/wps/wcm/connect/English/Group+A/CORP_CustomScripts_Shared/CommerceConnectorScript/CommerceConnectorScript-JS?presentationtemplate=3M%20Design%20Patterns/PT%20-%20JS&subtype=javascript1 KB—✓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

C
Green Hosting
Action
Whether the site is served from green-energy infrastructure
REVIEW

Green Hosting

No green hosting detected

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
4 fonts (264 KB)
PASS
4 fonts (264 KB)
Info::
4 font(s) use font-display: swap (FOUT risk but functional)

Web fonts

4

264 KB total

Render-blocking

0

of 4

Dominant font-display

swap

Most common across fonts

Font loading timeline
Transfer FOIT (block) FOUT (swap)
0 ms 500 ms 1.0 s 1.5 s 2.0 s FCP 1.2 s LCP 2.3 shttps://www.3m.com/3m_theme_assets/static/MDS/assets/3MCircularWeb-Book..woff3MCircularWeb-Book..woff https://www.3m.com/3m_theme_assets/static/MDS/assets/3MCircularWeb-Book..woff — 75.3 KiB — 36 ms — font-display: swaphttps://www.3m.com/3m_theme_assets/themes/3MTheme/assets/fonts/3MThemeIconFont/fonts/3MThemeIconFont.woff?i2w8ja3MThemeIconFont.woff https://www.3m.com/3m_theme_assets/themes/3MTheme/assets/fonts/3MThemeIconFont/fonts/3MThemeIconFont.woff?i2w8ja — 40.2 KiB — 38 ms — font-display: swaphttps://www.3m.com/3m_theme_assets/static/MDS/assets/3MCircularWeb-Bold..woff3MCircularWeb-Bold..woff https://www.3m.com/3m_theme_assets/static/MDS/assets/3MCircularWeb-Bold..woff — 78.5 KiB — 45 ms — font-display: swaphttps://www.3m.com/3m_theme_assets/static/MDS/assets/3MCircularWeb-Light..woff3MCircularWeb-Light..woff https://www.3m.com/3m_theme_assets/static/MDS/assets/3MCircularWeb-Light..woff — 69.8 KiB — 43 ms — font-display: swap
3MCircularWeb-Book..woff woff swap
Size 75 KB
Load time 36 ms
Start 1.1 s
Risk FOUT — text flashes from fallback to web font
  • Convert to woff2 for ~30% smaller file size
3MThemeIconFont.woff woff swap
Size 40 KB
Load time 38 ms
Start 1.1 s
Risk FOUT — text flashes from fallback to web font
  • Convert to woff2 for ~30% smaller file size
3MCircularWeb-Bold..woff woff swap
Size 79 KB
Load time 45 ms
Start 1.1 s
Risk FOUT — text flashes from fallback to web font
  • Convert to woff2 for ~30% smaller file size
3MCircularWeb-Light..woff woff swap
Size 70 KB
Load time 43 ms
Start 1.1 s
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 ~79 KB and ~158 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
No optimization needed
PASS
No optimization needed
Info::
No resource hint issues
Network Waterfall
85 requests over 3385ms
INFO
0 ms 1.0 s 2.0 s 3.0 s FCP 1.2 s LCP 2.3 shttps://3m.com// https://3m.com/ — 301 — 531 B — 361 ms — h2https://www.3m.com/www.3m.com/ https://www.3m.com/ — 200 — 24.5 KiB — 72 ms — h2https://cdn-prod.securiti.ai/consent/auto_blocking/0638aaa2-354a-44c0-a777-ea4db9f7bf8a/6b6b9bd3-ba56-4136-8ed8-6ca3b3b8433b.jscdn-prod.securiti.ai/consent/auto_b... https://cdn-prod.securiti.ai/consent/auto_blocking/0638aaa2-354a-44c0-a777-ea4db9f7bf8a/6b6b9bd3-ba56-4136-8ed8-6ca3b3b8433b.js — -1 — 0 B — 495 ms — https://www.3m.com/ruxitagentjs_ICANVfghqrux_10335260306043831.jswww.3m.com/ruxitagentjs_ICANVfghqru... https://www.3m.com/ruxitagentjs_ICANVfghqrux_10335260306043831.js — 200 — 81.3 KiB — 51 ms — h2https://www.3m.com/3m_theme_assets/themes/3MTheme/assets/css/build/phoenix.css?v=3.187.0www.3m.com/3m_theme_assets/themes/3... https://www.3m.com/3m_theme_assets/themes/3MTheme/assets/css/build/phoenix.css?v=3.187.0 — 200 — 56.1 KiB — 37 ms — h2https://www.3m.com/3m_theme_assets/themes/3MTheme/assets/css/unicorn-icons.css?v=3.187.0www.3m.com/3m_theme_assets/themes/3... https://www.3m.com/3m_theme_assets/themes/3MTheme/assets/css/unicorn-icons.css?v=3.187.0 — 200 — 6.1 KiB — 30 ms — h2https://www.3m.com/3m_theme_assets/static/MDS/mammoth.css?v=3.187.0www.3m.com/3m_theme_assets/static/M... https://www.3m.com/3m_theme_assets/static/MDS/mammoth.css?v=3.187.0 — 200 — 16.1 KiB — 36 ms — h2https://www.3m.com/wps/wcm/connect/en_US/Group+A/CORP_FUZEExp/CORP_FUZEExp_HomePage_SiteArea/CSS_Homepage_Sitearea/CSS_Homepage?presentationtemplate=3M%20Design%20Patterns/PT%20-%20CSS&subtype=csswww.3m.com/wps/wcm/connect/en_US/Gr... https://www.3m.com/wps/wcm/connect/en_US/Group+A/CORP_FUZEExp/CORP_FUZEExp_HomePage_SiteArea/CSS_Homepage_Sitearea/CSS_Homepage?presentationtemplate=3M%20Design%20Patterns/PT%20-%20CSS&subtype=css — 200 — 3.5 KiB — 32 ms — h2https://www.3m.com/3m_theme_assets/themes/3MTheme/assets/scripts/mmmSettings.jswww.3m.com/3m_theme_assets/themes/3... https://www.3m.com/3m_theme_assets/themes/3MTheme/assets/scripts/mmmSettings.js — 200 — 1.8 KiB — 44 ms — h2https://www.3m.com/3m_theme_assets/themes/3MTheme/assets/css/build/gsn.csswww.3m.com/3m_theme_assets/themes/3... https://www.3m.com/3m_theme_assets/themes/3MTheme/assets/css/build/gsn.css — 200 — 6.3 KiB — 32 ms — h2https://www.3m.com/3m_theme_assets/themes/3MTheme/assets/css/static/MyAccountDropdown/MyAccountDropdown.csswww.3m.com/3m_theme_assets/themes/3... https://www.3m.com/3m_theme_assets/themes/3MTheme/assets/css/static/MyAccountDropdown/MyAccountDropdown.css — 200 — 2.2 KiB — 40 ms — h2https://tags.tiqcdn.com/utag/3m/en-us/prod/utag.sync.jstags.tiqcdn.com/utag/3m/en-us/prod/... https://tags.tiqcdn.com/utag/3m/en-us/prod/utag.sync.js — 200 — 9.8 KiB — 86 ms — h2https://www.3m.com/3m_theme_assets/themes/3MTheme/assets/images/unicorn/Logo.svgwww.3m.com/3m_theme_assets/themes/3... https://www.3m.com/3m_theme_assets/themes/3MTheme/assets/images/unicorn/Logo.svg — 200 — 5.0 KiB — 44 ms — h2https://www.3m.com/3m_theme_assets/themes/3MTheme/assets/images/unicorn/Logo_mobile.pngwww.3m.com/3m_theme_assets/themes/3... https://www.3m.com/3m_theme_assets/themes/3MTheme/assets/images/unicorn/Logo_mobile.png — 200 — 888 B — 45 ms — h2https://multimedia.3m.com/mws/media/1812021O/industry-feature-image.pngmultimedia.3m.com/mws/media/1812021... https://multimedia.3m.com/mws/media/1812021O/industry-feature-image.png — 200 — 220.0 KiB — 71 ms — h2https://multimedia.3m.com/mws/media/2526168E/industries-hero-automotive-rgb-jpeg.jpgmultimedia.3m.com/mws/media/2526168... https://multimedia.3m.com/mws/media/2526168E/industries-hero-automotive-rgb-jpeg.jpg — 200 — 84.5 KiB — 71 ms — h2https://multimedia.3m.com/mws/media/2526169E/industries-hero-commercial-solutions-rgb-jpeg.jpgmultimedia.3m.com/mws/media/2526169... https://multimedia.3m.com/mws/media/2526169E/industries-hero-commercial-solutions-rgb-jpeg.jpg — 200 — 49.7 KiB — 31 ms — h2https://www.3m.com/3m_theme_assets/themes/3MTheme/assets/css/build/components_50_series/rC-52-vTabs.csswww.3m.com/3m_theme_assets/themes/3... https://www.3m.com/3m_theme_assets/themes/3MTheme/assets/css/build/components_50_series/rC-52-vTabs.css — 200 — 811 B — 26 ms — h2https://www.3m.com/wps/wcm/connect/English/Group+A/CORP_CustomScripts_Shared/CommerceConnectorScript/CommerceConnectorScript-JS?presentationtemplate=3M%20Design%20Patterns/PT%20-%20JS&subtype=javascriptwww.3m.com/wps/wcm/connect/English/... https://www.3m.com/wps/wcm/connect/English/Group+A/CORP_CustomScripts_Shared/CommerceConnectorScript/CommerceConnectorScript-JS?presentationtemplate=3M%20Design%20Patterns/PT%20-%20JS&subtype=javascript — 200 — 958 B — 18 ms — h2https://www.3m.com/3m_theme_assets/themes/3MTheme/assets/scripts/build/require_config.jswww.3m.com/3m_theme_assets/themes/3... https://www.3m.com/3m_theme_assets/themes/3MTheme/assets/scripts/build/require_config.js — 200 — 6.7 KiB — 17 ms — h2https://www.3m.com/3m_theme_assets/static/typeAhead/typeAheadV1.jswww.3m.com/3m_theme_assets/static/t... https://www.3m.com/3m_theme_assets/static/typeAhead/typeAheadV1.js — 200 — 59.9 KiB — 16 ms — h2https://multimedia.3m.com/mws/media/2526170E/industries-hero-consumer-markets-rgb-jpeg.jpgmultimedia.3m.com/mws/media/2526170... https://multimedia.3m.com/mws/media/2526170E/industries-hero-consumer-markets-rgb-jpeg.jpg — 200 — 92.9 KiB — 19 ms — h2https://multimedia.3m.com/mws/media/2526171E/industries-hero-design-and-construction-rgb-jpeg.jpgmultimedia.3m.com/mws/media/2526171... https://multimedia.3m.com/mws/media/2526171E/industries-hero-design-and-construction-rgb-jpeg.jpg — 200 — 75.2 KiB — 19 ms — h2https://multimedia.3m.com/mws/media/2526162E/industries-hero-electronics-rgb-jpeg.jpgmultimedia.3m.com/mws/media/2526162... https://multimedia.3m.com/mws/media/2526162E/industries-hero-electronics-rgb-jpeg.jpg — 200 — 23.2 KiB — 22 ms — h2https://multimedia.3m.com/mws/media/2526163E/industries-hero-energy-rgb-jpeg.jpgmultimedia.3m.com/mws/media/2526163... https://multimedia.3m.com/mws/media/2526163E/industries-hero-energy-rgb-jpeg.jpg — 200 — 14.9 KiB — 19 ms — h2https://multimedia.3m.com/mws/media/2526164E/industries-hero-government-rgb-jpeg.jpgmultimedia.3m.com/mws/media/2526164... https://multimedia.3m.com/mws/media/2526164E/industries-hero-government-rgb-jpeg.jpg — 200 — 55.6 KiB — 17 ms — h2https://multimedia.3m.com/mws/media/2526165E/industries-hero-manufacturing-rgb-jpeg.jpgmultimedia.3m.com/mws/media/2526165... https://multimedia.3m.com/mws/media/2526165E/industries-hero-manufacturing-rgb-jpeg.jpg — 200 — 36.3 KiB — 18 ms — 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h2https://www.3m.com/favicon.icowww.3m.com/favicon.ico https://www.3m.com/favicon.ico — 200 — 1.2 KiB — 32 ms — h2https://tags.tiqcdn.com/utag/3m/en-us/prod/utag.js?v=3.187.0tags.tiqcdn.com/utag/3m/en-us/prod/... https://tags.tiqcdn.com/utag/3m/en-us/prod/utag.js?v=3.187.0 — 200 — 157.0 KiB — 13 ms — h2https://www.3m.com/3m_theme_assets/themes/3MTheme/assets/scripts/build/apps/mds/tags.js?v=3.187.0www.3m.com/3m_theme_assets/themes/3... https://www.3m.com/3m_theme_assets/themes/3MTheme/assets/scripts/build/apps/mds/tags.js?v=3.187.0 — 200 — 870 B — 41 ms — h2https://app.securiti.ai/privaci/v1/consent/cookie/singleuploadapp.securiti.ai/privaci/v1/consent/... https://app.securiti.ai/privaci/v1/consent/cookie/singleupload — 200 — 0 B — 155 ms — h2https://www.3m.com/3m_theme_assets/themes/3MTheme/assets/scripts/build/kungfu/webtrends/mmm_tealium_events.js?v=3.187.0www.3m.com/3m_theme_assets/themes/3... https://www.3m.com/3m_theme_assets/themes/3MTheme/assets/scripts/build/kungfu/webtrends/mmm_tealium_events.js?v=3.187.0 — 200 — 14.3 KiB — 16 ms — h2https://www.3m.com/3M/en_US/JSON/WCMPlaceSelector/helper/?m=ws&l=en_US&oid=8c55f73b-1668-48ce-9194-fbe599e420bd&jsonify=truewww.3m.com/3M/en_US/JSON/WCMPlaceSe... https://www.3m.com/3M/en_US/JSON/WCMPlaceSelector/helper/?m=ws&l=en_US&oid=8c55f73b-1668-48ce-9194-fbe599e420bd&jsonify=true — 200 — 2.6 KiB — 15 ms — h2https://www.3m.com/3m_theme_assets/themes/3MTheme/assets/images/flags.pngwww.3m.com/3m_theme_assets/themes/3... https://www.3m.com/3m_theme_assets/themes/3MTheme/assets/images/flags.png — 200 — 184.9 KiB — 40 ms — h2https://www.3m.com/3m_theme_assets/themes/3MTheme/assets/images/compressed/1px.gifwww.3m.com/3m_theme_assets/themes/3... https://www.3m.com/3m_theme_assets/themes/3MTheme/assets/images/compressed/1px.gif — 200 — 307 B — 31 ms — h2https://app.securiti.ai/privaci/v1/consent/cookie/singleuploadapp.securiti.ai/privaci/v1/consent/... https://app.securiti.ai/privaci/v1/consent/cookie/singleupload — 200 — 398 B — 164 ms — h2https://www.3m.com/rb_bf03069gjb?type=js3&sn=v_4_srv_4_sn_V8FBQRSP7ROCLI48E6EKBVQQN6C4J21T_perc_100000_ol_0_mul_1_app-3A51e330a77f3260d5_1&svrid=4&flavor=post&vi=KFQSCHUFNNMLUUUGRBUCDJAVPIASPRBK-0&modifiedSince=1776682269285&bp=3&app=51e330a77f3260d5&crc=1949849100&en=l6ov268b&end=1www.3m.com/rb_bf03069gjb?type=js3&s... https://www.3m.com/rb_bf03069gjb?type=js3&sn=v_4_srv_4_sn_V8FBQRSP7ROCLI48E6EKBVQQN6C4J21T_perc_100000_ol_0_mul_1_app-3A51e330a77f3260d5_1&svrid=4&flavor=post&vi=KFQSCHUFNNMLUUUGRBUCDJAVPIASPRBK-0&modifiedSince=1776682269285&bp=3&app=51e330a77f3260d5&crc=1949849100&en=l6ov268b&end=1 — 200 — 1.5 KiB — 221 ms — h2
HTML JavaScript CSS Images Fonts XHR/Fetch Other
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 890ms · 387KB · $12/mo
www.3m.com
Other
Optional
Execution 192ms
Transfer 24 KB
Monthly Cost $3/mo
Unattributable
Other
Optional
Execution 149ms
Transfer 0 KB
Monthly Cost $2/mo
cdn-prod.securiti.ai
Other
Optional
Execution 142ms
Transfer 6 KB
Monthly Cost $2/mo
tags.tiqcdn.com
Other
Optional
Execution 120ms
Transfer 157 KB
Unused 17%
Monthly Cost $2/mo
www.3m.com
Other
Optional
Execution 106ms
Transfer 1 KB
Monthly Cost $1/mo
www.3m.com
Other
Optional
Execution 93ms
Transfer 81 KB
Unused 40%
Monthly Cost $1/mo
www.3m.com
Other
Optional
Execution 87ms
Transfer 118 KB
Unused 63%
Monthly Cost $1/mo

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

63% of www.3m.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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