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
42 images, 0 KB saveable
REVIEW
42 images, 0 KB saveable
Warning::
!
https://www.globaltimes.cn/Portals/0/attachment/20... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
!
https://www.globaltimes.cn/Portals/0/attachment/20... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
!
https://www.globaltimes.cn/Portals/0/attachment/20... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
!
https://www.globaltimes.cn/Portals/0/attachment/20... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
!
https://www.globaltimes.cn/Portals/0/attachment/20... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
!
https://www.globaltimes.cn/Portals/0/attachment/20... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
!
https://www.globaltimes.cn/Portals/0/attachment/20... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
!
https://www.globaltimes.cn/Portals/0/attachment/20... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
!
https://www.globaltimes.cn/Portals/0/attachment/20... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
!
https://www.globaltimes.cn/Portals/0/attachment/20... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
!
https://www.globaltimes.cn/img/letter/letter_enter... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
!
https://www.globaltimes.cn/Portals/0/attachment/20... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
!
https://www.globaltimes.cn/img/img_12.jpg is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
!
https://www.globaltimes.cn/Portals/0/attachment/20... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
!
https://www.globaltimes.cn/Portals/0/attachment/20... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
!
https://www.globaltimes.cn/Portals/0/attachment/20... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
!
https://www.globaltimes.cn/Portals/0/attachment/20... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
!
https://www.globaltimes.cn/Portals/0/attachment/20... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
!
https://www.globaltimes.cn/Portals/0/attachment/20... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
!
https://www.globaltimes.cn/Portals/0/attachment/20... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
!
https://www.globaltimes.cn/Portals/0/attachment/20... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
!
https://www.globaltimes.cn/Portals/0/attachment/20... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
!
https://www.globaltimes.cn/img/gray_play03.png is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
!
https://www.globaltimes.cn/Portals/0/attachment/20... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
!
https://www.globaltimes.cn/Portals/0/attachment/20... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
!
https://www.globaltimes.cn/img/pod_index_enter.png is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
42images7.4 MB
0oversized-0 KB
39legacy format
26missing 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
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 (311 KB)
PASS
6 fonts (311 KB)
Info::
i
6 font(s) use font-display: swap (FOUT risk but functional)
Web fonts
6
311 KB total
Render-blocking
0
of 6
Dominant font-display
swap
Most common across fonts
Font loading timeline
TransferFOIT (block)FOUT (swap)
Helvetica-Neue-2.ttfttfswap
Size130 KB
Load time80 ms
Start1.3 s
RiskFOUT — 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
x-font-woff2;charset=ut...woff2swap
Size4 KB
Load time223 ms
Start1.3 s
RiskFOUT — text flashes from fallback to web font
ScalaOT-Bold.otfotfswap
Size38 KB
Load time42 ms
Start1.5 s
RiskFOUT — text flashes from fallback to web font
Convert to woff2 for ~30% smaller file size
ScalaOT-Regular.otfotfswap
Size39 KB
Load time41 ms
Start1.5 s
RiskFOUT — text flashes from fallback to web font
Convert to woff2 for ~30% smaller file size
HelveticaNeue%20Bold.ttfttfswap
Size20 KB
Load time33 ms
Start1.5 s
RiskFOUT — text flashes from fallback to web font
Convert to woff2 for ~30% smaller file size
ionicons.143146fa.woff2woff2swap
Size81 KB
Load time20 ms
Start2.1 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 ~133 KB and ~266 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
117 requests over 7164ms
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-party6829ms · 568KB · ¥337/mo
Script
Category
Execution
Transfer
Unused
Monthly Cost
Verdict
www.globaltimes.cn
www.globaltimes.cn
Other
3195ms
6 KB
—
¥158/mo
Costly
Unattributable
Unattributable
Other
893ms
0 KB
—
¥44/mo
Costly
www.globaltimes.cn
www.globaltimes.cn
Other
604ms
30 KB
—
¥30/mo
Costly
enapp.globaltimes.cn
enapp.globaltimes.cn
Other
517ms
0 KB
54%
¥26/mo
Costly
enapp.globaltimes.cn
enapp.globaltimes.cn
Other
517ms
0 KB
83%
¥26/mo
Costly
Google Tag Manager
www.googletagmanager.com
Tag Manager
402ms
145 KB
35%
¥20/mo
Costly
Google Tag Manager
www.googletagmanager.com
Tag Manager
304ms
160 KB
40%
¥15/mo
Costly
enapp.globaltimes.cn
enapp.globaltimes.cn
Other
103ms
0 KB
—
¥5/mo
Optional
Google Tag Manager
www.googletagmanager.com
Tag Manager
100ms
160 KB
68%
¥5/mo
Optional
platform-api.sharethis.com
platform-api.sharethis.com
Other
86ms
47 KB
58%
¥4/mo
Optional
Google Analytics
ssl.google-analytics.com
Analytics
59ms
17 KB
—
¥3/mo
Optional
www.globaltimes.cn
www.globaltimes.cn
Other
50ms
2 KB
—
¥2/mo
Optional
www.globaltimes.cn
Other
Costly
Execution3195ms
Transfer6 KB
Monthly Cost¥158/mo
Unattributable
Other
Costly
Execution893ms
Transfer0 KB
Monthly Cost¥44/mo
www.globaltimes.cn
Other
Costly
Execution604ms
Transfer30 KB
Monthly Cost¥30/mo
enapp.globaltimes.cn
Other
Costly
Execution517ms
Transfer0 KB
Unused54%
Monthly Cost¥26/mo
enapp.globaltimes.cn
Other
Costly
Execution517ms
Transfer0 KB
Unused83%
Monthly Cost¥26/mo
Google Tag Manager
Tag Manager
Costly
Execution402ms
Transfer145 KB
Unused35%
Monthly Cost¥20/mo
Google Tag Manager
Tag Manager
Costly
Execution304ms
Transfer160 KB
Unused40%
Monthly Cost¥15/mo
enapp.globaltimes.cn
Other
Optional
Execution103ms
Transfer0 KB
Monthly Cost¥5/mo
Google Tag Manager
Tag Manager
Optional
Execution100ms
Transfer160 KB
Unused68%
Monthly Cost¥5/mo
platform-api.sharethis.com
Other
Optional
Execution86ms
Transfer47 KB
Unused58%
Monthly Cost¥4/mo
Google Analytics
Analytics
Optional
Execution59ms
Transfer17 KB
Monthly Cost¥3/mo
www.globaltimes.cn
Other
Optional
Execution50ms
Transfer2 KB
Monthly Cost¥2/mo
These scripts may cost more than they're worth
www.globaltimes.cn adds 3195ms and costs ~¥158/month
Unattributable adds 893ms and costs ~¥44/month
www.globaltimes.cn adds 604ms and costs ~¥30/month
enapp.globaltimes.cn adds 517ms and costs ~¥26/month
enapp.globaltimes.cn adds 517ms and costs ~¥26/month
Google Tag Manager adds 402ms and costs ~¥20/month
Google Tag Manager adds 304ms and costs ~¥15/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.globaltimes.cn takes 3195ms 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 893ms 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.globaltimes.cn takes 604ms 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
enapp.globaltimes.cn takes 517ms 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
54% of enapp.globaltimes.cn'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
enapp.globaltimes.cn takes 517ms 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
83% of enapp.globaltimes.cn'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
Google Tag Manager takes 402ms 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 304ms 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
68% of Google Tag Manager'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
58% of platform-api.sharethis.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.