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
Page Weight Budget
Action
1.6 MB transferred, 57 requests
REVIEW
1.6 MB transferred, 57 requests
Info::
i
Page weighs 5.8 MB (1.6 MB transferred)
Warning::
!
JavaScript is 753 KB — consider code splitting or lazy loading
Large JavaScript bundles delay interactivity. Split code by route or defer non-critical scripts.
Got: 753 KB
Info::
i
Fonts are 221 KB — consider subsetting or using system fonts
Subset fonts to include only used characters, or switch to system font stacks.
Got: 221 KB
Info::
i
57 HTTP requests
Info::
i
Estimated 0.34 g CO2 per page load
1.6 MBtransferred
57 requests
0.34 g CO2 per page load
JavaScript753.1 KiB45%
Other314.2 KiB19%
Images287.7 KiB17%
Fonts221.0 KiB13%
CSS65.9 KiB4%
HTML36.4 KiB2%
Other4.4 KiB0%
Other228 B0%
02.4 MB4.9 MB
Approaching limit
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
B
Image Optimization
9 images, 0 KB saveable
REVIEW
9 images, 0 KB saveable
Warning::
!
https://www.honeywell.com/content/dam/placeholder-... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
!
https://www.honeywell.com/content/dam/images/ccpa-... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
9images288 KB
0oversized-0 KB
4legacy format
2missing dimensionsCLS 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
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
7 fonts (221 KB)
PASS
7 fonts (221 KB)
Info::
i
7 font(s) use font-display: swap (FOUT risk but functional)
Web fonts
7
221 KB total
Render-blocking
0
of 7
Dominant font-display
swap
Most common across fonts
Font loading timeline
TransferFOIT (block)FOUT (swap)
hv2-icons.woff2woff2swap
Size29 KB
Load time13 ms
Start807 ms
RiskFOUT — text flashes from fallback to web font
mvp-icons-webfont.woffwoffswap
Size8 KB
Load time19 ms
Start807 ms
RiskFOUT — text flashes from fallback to web font
Convert to woff2 for ~30% smaller file size
HoneywellSansWeb-Bold.w...woff2swap
Size36 KB
Load time21 ms
Start808 ms
RiskFOUT — text flashes from fallback to web font
HoneywellSansWeb-Book.w...woff2swap
Size36 KB
Load time21 ms
Start808 ms
RiskFOUT — text flashes from fallback to web font
HoneywellSansWeb-Medium...woff2swap
Size36 KB
Load time15 ms
Start989 ms
RiskFOUT — text flashes from fallback to web font
HoneywellSansWeb-Black....woff2swap
Size38 KB
Load time17 ms
Start989 ms
RiskFOUT — text flashes from fallback to web font
HoneywellSansWeb-Extrab...woff2swap
Size37 KB
Load time17 ms
Start990 ms
RiskFOUT — text flashes from fallback to web font
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 ~2 KB and ~4 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
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
Network Waterfall
57 requests over 2530ms
INFO
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-party3610ms · 667KB · $48/mo
Script
Category
Execution
Transfer
Unused
Monthly Cost
Verdict
www.honeywell.com
www.honeywell.com
Other
825ms
42 KB
58%
$11/mo
Costly
www.honeywell.com
www.honeywell.com
Other
809ms
48 KB
59%
$11/mo
Costly
www.honeywell.com
www.honeywell.com
Other
754ms
36 KB
—
$10/mo
Costly
assets.adobedtm.com
assets.adobedtm.com
Other
333ms
177 KB
44%
$4/mo
Costly
Unattributable
Unattributable
Other
249ms
0 KB
—
$3/mo
Costly
cdn.signalfx.com
cdn.signalfx.com
Other
158ms
39 KB
—
$2/mo
Optional
Facebook Pixel
connect.facebook.net
Advertising
156ms
97 KB
44%
$2/mo
Optional
s.go-mpulse.net
s.go-mpulse.net
Other
96ms
57 KB
48%
$1/mo
Optional
www.honeywell.com
www.honeywell.com
Other
86ms
57 KB
72%
$1/mo
Optional
app-sjn.marketo.com
app-sjn.marketo.com
Other
82ms
68 KB
78%
$1/mo
Optional
Facebook Pixel
connect.facebook.net
Advertising
62ms
46 KB
47%
$1/mo
Optional
www.honeywell.com
Other
Costly
Execution825ms
Transfer42 KB
Unused58%
Monthly Cost$11/mo
www.honeywell.com
Other
Costly
Execution809ms
Transfer48 KB
Unused59%
Monthly Cost$11/mo
www.honeywell.com
Other
Costly
Execution754ms
Transfer36 KB
Monthly Cost$10/mo
assets.adobedtm.com
Other
Costly
Execution333ms
Transfer177 KB
Unused44%
Monthly Cost$4/mo
Unattributable
Other
Costly
Execution249ms
Transfer0 KB
Monthly Cost$3/mo
cdn.signalfx.com
Other
Optional
Execution158ms
Transfer39 KB
Monthly Cost$2/mo
Facebook Pixel
Advertising
Optional
Execution156ms
Transfer97 KB
Unused44%
Monthly Cost$2/mo
s.go-mpulse.net
Other
Optional
Execution96ms
Transfer57 KB
Unused48%
Monthly Cost$1/mo
www.honeywell.com
Other
Optional
Execution86ms
Transfer57 KB
Unused72%
Monthly Cost$1/mo
app-sjn.marketo.com
Other
Optional
Execution82ms
Transfer68 KB
Unused78%
Monthly Cost$1/mo
Facebook Pixel
Advertising
Optional
Execution62ms
Transfer46 KB
Unused47%
Monthly Cost$1/mo
These scripts may cost more than they're worth
www.honeywell.com adds 825ms and costs ~$11/month
www.honeywell.com adds 809ms and costs ~$11/month
www.honeywell.com adds 754ms and costs ~$10/month
assets.adobedtm.com adds 333ms and costs ~$4/month
Unattributable adds 249ms and costs ~$3/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
www.honeywell.com takes 825ms 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 www.honeywell.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
www.honeywell.com takes 809ms 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
59% of www.honeywell.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
www.honeywell.com takes 754ms 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
assets.adobedtm.com takes 333ms 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 249ms 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
72% of www.honeywell.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
78% of app-sjn.marketo.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.