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
55 images, 0 KB saveable
REVIEW
55 images, 0 KB saveable
Warning::
!
https://static-us-east-1.similarcdn.com/build/2026... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
!
https://static-us-east-1.similarcdn.com/build/2026... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
!
https://s3.us-east-1.amazonaws.com/static-q.simila... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
!
https://static-us-east-1.similarcdn.com/build/2026... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
!
https://static-us-east-1.similarcdn.com/build/2026... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
!
https://static-us-east-1.similarcdn.com/build/2026... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
!
https://static-us-east-1.similarcdn.com/build/2026... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
!
https://static-us-east-1.similarcdn.com/build/2026... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
!
https://static-us-east-1.similarcdn.com/build/2026... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
!
https://static-us-east-1.similarcdn.com/build/2026... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
!
https://static-us-east-1.similarcdn.com/build/2026... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
!
https://static-us-east-1.similarcdn.com/build/2026... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
!
https://static-us-east-1.similarcdn.com/build/2026... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
!
https://static-us-east-1.similarcdn.com/build/2026... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
!
https://static-us-east-1.similarcdn.com/build/2026... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
!
https://static-us-east-1.similarcdn.com/build/2026... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
!
https://static-us-east-1.similarcdn.com/build/2026... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
!
https://static-us-east-1.similarcdn.com/build/2026... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
!
https://static-us-east-1.similarcdn.com/build/2026... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
!
https://static-us-east-1.similarcdn.com/build/2026... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
!
https://static-us-east-1.similarcdn.com/build/2026... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
!
https://s3.us-east-1.amazonaws.com/static-q.simila... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
!
https://static-us-east-1.similarcdn.com/build/2026... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
!
https://static-us-east-1.similarcdn.com/build/2026... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
!
https://static-us-east-1.similarcdn.com/build/2026... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
!
https://static-us-east-1.similarcdn.com/build/2026... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
!
https://static-us-east-1.similarcdn.com/build/2026... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
!
https://static-us-east-1.similarcdn.com/build/2026... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
!
https://static-us-east-1.similarcdn.com/build/2026... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
!
https://static-us-east-1.similarcdn.com/build/2026... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
!
https://static-us-east-1.similarcdn.com/build/2026... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
!
https://static-us-east-1.similarcdn.com/build/2026... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
!
https://static-us-east-1.similarcdn.com/build/2026... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
55images7.3 MB
0oversized-0 KB
49legacy format
33missing 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
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
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
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
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
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
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
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
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
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
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
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
6 fonts (474 KB)
PASS
6 fonts (474 KB)
Info::
i
6 font(s) use font-display: swap (FOUT risk but functional)
Web fonts
6
474 KB total
Render-blocking
0
of 6
Dominant font-display
swap
Most common across fonts
Font loading timeline
TransferFOIT (block)FOUT (swap)
rP2Yp2ywxg089UriI5-g4vl...woff2swap
Size36 KB
Load time44 ms
Start1.8 s
RiskFOUT — text flashes from fallback to web font
KFO7CnqEu92Fr1ME7kSn66a...woff2swap
Size37 KB
Load time40 ms
Start1.8 s
RiskFOUT — text flashes from fallback to web font
Inter-Regular.f1f0c35b....woff2swap
Size97 KB
Load time84 ms
Start8.0 s
RiskFOUT — text flashes from fallback to web font
Inter-SemiBold.fcb100c7...woff2swap
Size104 KB
Load time96 ms
Start8.0 s
RiskFOUT — text flashes from fallback to web font
Subset this font — over 100 KB suggests Latin Extended or full glyph coverage that most pages don't need
Inter-SemiBold.fcb100c7...woff2swap
Size104 KB
Load time64 ms
Start10.7 s
RiskFOUT — text flashes from fallback to web font
Subset this font — over 100 KB suggests Latin Extended or full glyph coverage that most pages don't need
Inter-Regular.f1f0c35b....woff2swap
Size97 KB
Load time47 ms
Start10.7 s
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 ~104 KB and ~208 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
155 requests over 10806ms
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-party2934ms · 1978KB · $39/mo
Script
Category
Execution
Transfer
Unused
Monthly Cost
Verdict
static-us-east-1.similarcdn.com
static-us-east-1.similarcdn.com
Other
820ms
428 KB
51%
$11/mo
Costly
www.similarweb.com
www.similarweb.com
Other
372ms
233 KB
—
$5/mo
Costly
Unattributable
Unattributable
Other
355ms
0 KB
—
$5/mo
Costly
7ef1a1ef43ff.edge.sdk.awswaf.com
7ef1a1ef43ff.edge.sdk.awswaf.com
Other
312ms
501 KB
51%
$4/mo
Costly
edge.fullstory.com
edge.fullstory.com
Other
239ms
80 KB
39%
$3/mo
Costly
Google Tag Manager
www.googletagmanager.com
Tag Manager
222ms
178 KB
34%
$3/mo
Costly
Google Tag Manager
www.googletagmanager.com
Tag Manager
158ms
131 KB
47%
$2/mo
Optional
consent.cookiebot.com
consent.cookiebot.com
Other
155ms
93 KB
—
$2/mo
Optional
js.qualified.com
js.qualified.com
Other
110ms
117 KB
49%
$1/mo
Optional
Microsoft Clarity
scripts.clarity.ms
Session Replay
71ms
25 KB
—
$1/mo
Optional
cdn.userway.org
cdn.userway.org
Other
65ms
48 KB
55%
$1/mo
Optional
Google Tag Manager
www.googletagmanager.com
Tag Manager
53ms
144 KB
45%
$1/mo
Optional
static-us-east-1.similarcdn.com
Other
Costly
Execution820ms
Transfer428 KB
Unused51%
Monthly Cost$11/mo
www.similarweb.com
Other
Costly
Execution372ms
Transfer233 KB
Monthly Cost$5/mo
Unattributable
Other
Costly
Execution355ms
Transfer0 KB
Monthly Cost$5/mo
7ef1a1ef43ff.edge.sdk.awswaf.com
Other
Costly
Execution312ms
Transfer501 KB
Unused51%
Monthly Cost$4/mo
edge.fullstory.com
Other
Costly
Execution239ms
Transfer80 KB
Unused39%
Monthly Cost$3/mo
Google Tag Manager
Tag Manager
Costly
Execution222ms
Transfer178 KB
Unused34%
Monthly Cost$3/mo
Google Tag Manager
Tag Manager
Optional
Execution158ms
Transfer131 KB
Unused47%
Monthly Cost$2/mo
consent.cookiebot.com
Other
Optional
Execution155ms
Transfer93 KB
Monthly Cost$2/mo
js.qualified.com
Other
Optional
Execution110ms
Transfer117 KB
Unused49%
Monthly Cost$1/mo
Microsoft Clarity
Session Replay
Optional
Execution71ms
Transfer25 KB
Monthly Cost$1/mo
cdn.userway.org
Other
Optional
Execution65ms
Transfer48 KB
Unused55%
Monthly Cost$1/mo
Google Tag Manager
Tag Manager
Optional
Execution53ms
Transfer144 KB
Unused45%
Monthly Cost$1/mo
These scripts may cost more than they're worth
static-us-east-1.similarcdn.com adds 820ms and costs ~$11/month
www.similarweb.com adds 372ms and costs ~$5/month
Unattributable adds 355ms and costs ~$5/month
7ef1a1ef43ff.edge.sdk.awswaf.com adds 312ms and costs ~$4/month
edge.fullstory.com adds 239ms and costs ~$3/month
Google Tag Manager adds 222ms 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
static-us-east-1.similarcdn.com takes 820ms 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
51% of static-us-east-1.similarcdn.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.similarweb.com takes 372ms 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 355ms 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
7ef1a1ef43ff.edge.sdk.awswaf.com takes 312ms 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
51% of 7ef1a1ef43ff.edge.sdk.awswaf.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
edge.fullstory.com takes 239ms 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 222ms 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
55% of cdn.userway.org'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.
1.4 s
2.7 s
4.1 s
10.9 s