Skip to content
https://monash.edu.au

Performance

· 17 checks — Lighthouse + waterfall + sustainability rolled into one auditable list.
SCORE
90
GRADE
A
FIX
2
REVIEW
2
PASS
11
INFO
2

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

Mobile Desktop
81
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.
96
Best Practices Checks for modern web development best practices including HTTPS, no console errors, and secure JavaScript.
40
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.

948 ms

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

2.72 s

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

600 ms

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

0.004

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

948 ms

Time to Interactive Time to Interactive — how long until the page is fully interactive and responds to user input. Under 3.8s is good.

2.95 s

Page Load Progression

375 ms
750 ms
1.1 s
1.5 s
1.9 s
2.2 s
2.6 s
3.0 s
Checks
17
11 PASS 2 REVIEW 2 FIX
D
Third-Party Impact
Action
80% third-party, 0 ms blocking
FIX
80% third-party, 0 ms blocking
Warning::
Third-party code accounts for 80% of page weight (424.5 KiB of 528.6 KiB)
Info::
Third-party blocking time is low (0 ms)
20%
80%
First-party Third-party
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
C
JS Execution Cost
Action
1283ms total JS execution
REVIEW
1283ms total JS execution
Warning::
https://monash.edu.au/cdn-cgi/challenge-platform/h...: 1002ms CPU time
Info::
Unattributable: 167ms CPU time
Info::
https://monash.edu.au/: 114ms CPU time
Info::
Third-party scripts: 167ms (13% of total)

Main Thread Breakdown

Script Evaluation 75% Other 16% Style & Layout 3%
ScriptTotalScriptingParse/CompileParty
https://monash.edu.au/cdn-cgi/challenge-platform/h/b/orchestrate/chl_page/v1?ray=9f07ecb53cc3587c1002ms951ms14ms1st
Unattributable167ms5ms0ms3rd
https://monash.edu.au/114ms16ms2ms1st
C
Green Hosting
Action
Whether the site is served from green-energy infrastructure
REVIEW

Green Hosting

No green hosting detected

A+
Page Weight Budget
529 KB transferred, 22 requests
PASS
529 KB transferred, 22 requests
Info::
Page weighs 935 KB (529 KB transferred)
Info::
22 HTTP requests
Info::
Estimated 0.11 g CO2 per page load
529 KB / 2.4 MB budget
529 KB transferred
22 requests
0.11 g CO2 per page load
Other 317.0 KiB 60%
HTML 104.4 KiB 20%
JavaScript 88.2 KiB 17%
Images 10.9 KiB 2%
Other 6.4 KiB 1%
Other 1.7 KiB 0%
0 2.4 MB 4.9 MB
Under budget
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
Image Optimization
3 images, 0 KB saveable
PASS
3 images, 0 KB saveable
Info::
All images are well-optimized
3 images 11 KB
0 oversized -0 KB
3 legacy format
0 missing dimensions CLS risk
A+
Font Loading
No web fonts (system fonts)
PASS
No web fonts (system fonts)
Info::
No web fonts loaded — system fonts are fastest
No web fonts loaded — system fonts are optimal.
A+
JS Bundles
11 scripts, 0 KB unused
PASS
11 scripts, 0 KB unused
0 KB unused JavaScript

Downloaded but never executed on this page.

ScriptSizeUnusedMinifiedParty
https://monash.edu.au/cdn-cgi/challenge-platform/h/b/orchestrate/chl_page/v1?ray=9f07ecb53cc3587c71 KB—✓1st
blob:https://monash.edu.au/42fa25d7-2778-4932-ba60-e5bbfa285dc40 KB—✓3rd
https://challenges.cloudflare.com/turnstile/v0/b/0b8fb825cb67/api.js?onload=cFRiY3&render=explicit17 KB—✓3rd
blob:https://monash.edu.au/af43769d-7312-4cdb-b540-be6ee9c25979-0 KB—✓3rd
blob:https://challenges.cloudflare.com/1c7d0457-0871-4f7d-a59c-afed9ecc8d4f0 KB—✓3rd
blob:https://challenges.cloudflare.com/9423c11d-261a-4f79-b9a8-d76fada6d920-0 KB—✓3rd
blob:https://challenges.cloudflare.com/9423c11d-261a-4f79-b9a8-d76fada6d920-0 KB—✓3rd
blob:https://challenges.cloudflare.com/9423c11d-261a-4f79-b9a8-d76fada6d920-0 KB—✓3rd
blob:https://challenges.cloudflare.com/9423c11d-261a-4f79-b9a8-d76fada6d920-0 KB—✓3rd
blob:https://challenges.cloudflare.com/9423c11d-261a-4f79-b9a8-d76fada6d920-0 KB—✓3rd
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
Page Weight Inventory
22 resources · 529 KB · 0 KB savings available
PASS
22 resources · 529 KB · 0 KB savings available
Info::
Within 1MB page-weight target
Got: 529 KB
Warning::
16 third-party resources (80% of weight)
Info::
1 resources over 200KB
22 resources · 528.6 KiB · 16 third-party Within 1MB page-weight target
Other 60% · 318.8 KiB
Document 21% · 110.8 KiB
JavaScript 17% · 88.2 KiB
Image 2% · 10.9 KiB
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
22 requests over 2556ms
INFO
0 ms 500 ms 1.0 s 1.5 s 2.0 s 2.5 s FCP 948 ms LCP 2.7 shttps://monash.edu.au// https://monash.edu.au/ — 307 — 63 B — 35 ms — http/1.1https://monash.edu.au// https://monash.edu.au/ — 403 — 5.4 KiB — 19 ms — h2https://monash.edu.au/cdn-cgi/challenge-platform/h/b/orchestrate/chl_page/v1?ray=9f07ecb53cc3587c/cdn-cgi/challenge-platform/h/b/orc... https://monash.edu.au/cdn-cgi/challenge-platform/h/b/orchestrate/chl_page/v1?ray=9f07ecb53cc3587c — 200 — 70.9 KiB — 21 ms — h2blob:https://monash.edu.au/42fa25d7-2778-4932-ba60-e5bbfa285dc4monash.edu.au/42fa25d7-2778-4932-ba... blob:https://monash.edu.au/42fa25d7-2778-4932-ba60-e5bbfa285dc4 — -1 — 0 B — 0 ms — https://challenges.cloudflare.com/turnstile/v0/b/0b8fb825cb67/api.js?onload=cFRiY3&render=explicitchallenges.cloudflare.com/turnstile... https://challenges.cloudflare.com/turnstile/v0/b/0b8fb825cb67/api.js?onload=cFRiY3&render=explicit — 200 — 17.4 KiB — 64 ms — h3https://monash.edu.au/favicon.ico/favicon.ico https://monash.edu.au/favicon.ico — 403 — 7.9 KiB — 25 ms — h2https://monash.edu.au/favicon.ico/favicon.ico https://monash.edu.au/favicon.ico — 403 — 6.4 KiB — 23 ms — h2https://monash.edu.au/cdn-cgi/challenge-platform/h/b/flow/ov1/927531819:1776892371:vVewUlFmas0srb30l10YFlK8gjcJmXL29Dq7B946IKw/9f07ecb53cc3587c/.Qcbr8IeFV.3bsZqlfjneeoKemHIpZIjiI15cVFu.v0-1776895470-1.2.1.1-VFjh4Y4RkTCk3LnKzLSkTdCux2qdXTZIKWqtiXuMQe8bTZfiHzRANi0UXBG.tq7x/cdn-cgi/challenge-platform/h/b/flo... https://monash.edu.au/cdn-cgi/challenge-platform/h/b/flow/ov1/927531819:1776892371:vVewUlFmas0srb30l10YFlK8gjcJmXL29Dq7B946IKw/9f07ecb53cc3587c/.Qcbr8IeFV.3bsZqlfjneeoKemHIpZIjiI15cVFu.v0-1776895470-1.2.1.1-VFjh4Y4RkTCk3LnKzLSkTdCux2qdXTZIKWqtiXuMQe8bTZfiHzRANi0UXBG.tq7x — 200 — 13.5 KiB — 30 ms — h2blob:https://monash.edu.au/af43769d-7312-4cdb-b540-be6ee9c25979monash.edu.au/af43769d-7312-4cdb-b5... blob:https://monash.edu.au/af43769d-7312-4cdb-b540-be6ee9c25979 — 200 — -1 B — 27 ms — blobhttps://challenges.cloudflare.com/cdn-cgi/challenge-platform/h/b/turnstile/f/ov2/av0/rch/r2486/0x4AAAAAAADnPIDROrmt1Wwj/light/fbE/new/normal?lang=autochallenges.cloudflare.com/cdn-cgi/c... https://challenges.cloudflare.com/cdn-cgi/challenge-platform/h/b/turnstile/f/ov2/av0/rch/r2486/0x4AAAAAAADnPIDROrmt1Wwj/light/fbE/new/normal?lang=auto — 200 — 99.0 KiB — 103 ms — h3https://challenges.cloudflare.com/cdn-cgi/challenge-platform/h/b/cmg/1challenges.cloudflare.com/cdn-cgi/c... https://challenges.cloudflare.com/cdn-cgi/challenge-platform/h/b/cmg/1 — 200 — 208 B — 23 ms — h3blob:https://challenges.cloudflare.com/1c7d0457-0871-4f7d-a59c-afed9ecc8d4fchallenges.cloudflare.com/1c7d0457-... blob:https://challenges.cloudflare.com/1c7d0457-0871-4f7d-a59c-afed9ecc8d4f — -1 — 0 B — 0 ms — https://challenges.cloudflare.com/cdn-cgi/challenge-platform/h/b/flow/ov1/4100900095:1776892373:L0nL67ly3l9VisnM33R_sKjYxQhSpF0B3njDgeQGRpI/9f07ecb76d63d5d5/q4ascixtSc2al5dEbNfd0BtpfMnQwTTYa25aq8cg19c-1776895471-1.2.1.1-Kx3BM_kPveRKlBoQJmwEpvffJksslcxo4SH.2ZYCcQsEhXkVAygeIdVWHnYaNLfqchallenges.cloudflare.com/cdn-cgi/c... https://challenges.cloudflare.com/cdn-cgi/challenge-platform/h/b/flow/ov1/4100900095:1776892373:L0nL67ly3l9VisnM33R_sKjYxQhSpF0B3njDgeQGRpI/9f07ecb76d63d5d5/q4ascixtSc2al5dEbNfd0BtpfMnQwTTYa25aq8cg19c-1776895471-1.2.1.1-Kx3BM_kPveRKlBoQJmwEpvffJksslcxo4SH.2ZYCcQsEhXkVAygeIdVWHnYaNLfq — 200 — 280.8 KiB — 160 ms — h3blob:https://challenges.cloudflare.com/9423c11d-261a-4f79-b9a8-d76fada6d920challenges.cloudflare.com/9423c11d-... blob:https://challenges.cloudflare.com/9423c11d-261a-4f79-b9a8-d76fada6d920 — 200 — -1 B — 17 ms — blobblob:https://challenges.cloudflare.com/9423c11d-261a-4f79-b9a8-d76fada6d920challenges.cloudflare.com/9423c11d-... blob:https://challenges.cloudflare.com/9423c11d-261a-4f79-b9a8-d76fada6d920 — 200 — -1 B — 11 ms — blobhttps://challenges.cloudflare.com/cdn-cgi/challenge-platform/h/b/d/9f07ecb76d63d5d5/1776895471586/W4aUSCpOPJqC3SPchallenges.cloudflare.com/cdn-cgi/c... https://challenges.cloudflare.com/cdn-cgi/challenge-platform/h/b/d/9f07ecb76d63d5d5/1776895471586/W4aUSCpOPJqC3SP — 200 — 2.8 KiB — 22 ms — h3blob:https://challenges.cloudflare.com/9423c11d-261a-4f79-b9a8-d76fada6d920challenges.cloudflare.com/9423c11d-... blob:https://challenges.cloudflare.com/9423c11d-261a-4f79-b9a8-d76fada6d920 — 200 — -1 B — 15 ms — blobblob:https://challenges.cloudflare.com/9423c11d-261a-4f79-b9a8-d76fada6d920challenges.cloudflare.com/9423c11d-... blob:https://challenges.cloudflare.com/9423c11d-261a-4f79-b9a8-d76fada6d920 — 200 — -1 B — 0 ms — blobblob:https://challenges.cloudflare.com/9423c11d-261a-4f79-b9a8-d76fada6d920challenges.cloudflare.com/9423c11d-... blob:https://challenges.cloudflare.com/9423c11d-261a-4f79-b9a8-d76fada6d920 — 200 — -1 B — 0 ms — blobhttps://challenges.cloudflare.com/cdn-cgi/challenge-platform/h/b/pat/9f07ecb76d63d5d5/1776895471587/31249468bfd4bb1cc7a2af87631da80ee6e34c926ed4aa63f384ff755697aa61/yTkkHJX-XgOgJY2challenges.cloudflare.com/cdn-cgi/c... https://challenges.cloudflare.com/cdn-cgi/challenge-platform/h/b/pat/9f07ecb76d63d5d5/1776895471587/31249468bfd4bb1cc7a2af87631da80ee6e34c926ed4aa63f384ff755697aa61/yTkkHJX-XgOgJY2 — 401 — 1.7 KiB — 26 ms — h3https://challenges.cloudflare.com/cdn-cgi/challenge-platform/h/b/flow/ov1/4100900095:1776892373:L0nL67ly3l9VisnM33R_sKjYxQhSpF0B3njDgeQGRpI/9f07ecb76d63d5d5/q4ascixtSc2al5dEbNfd0BtpfMnQwTTYa25aq8cg19c-1776895471-1.2.1.1-Kx3BM_kPveRKlBoQJmwEpvffJksslcxo4SH.2ZYCcQsEhXkVAygeIdVWHnYaNLfqchallenges.cloudflare.com/cdn-cgi/c... https://challenges.cloudflare.com/cdn-cgi/challenge-platform/h/b/flow/ov1/4100900095:1776892373:L0nL67ly3l9VisnM33R_sKjYxQhSpF0B3njDgeQGRpI/9f07ecb76d63d5d5/q4ascixtSc2al5dEbNfd0BtpfMnQwTTYa25aq8cg19c-1776895471-1.2.1.1-Kx3BM_kPveRKlBoQJmwEpvffJksslcxo4SH.2ZYCcQsEhXkVAygeIdVWHnYaNLfq — 200 — 22.8 KiB — 51 ms — h3blob:https://challenges.cloudflare.com/1c1b87b5-e704-46d5-ab7a-33a6b064ccf7challenges.cloudflare.com/1c1b87b5-... blob:https://challenges.cloudflare.com/1c1b87b5-e704-46d5-ab7a-33a6b064ccf7 — 200 — -1 B — 15 ms — blob
HTML JavaScript CSS Images Fonts XHR/Fetch Other
Third-Party Script Cost
Per-script blocking time, transfer cost, and cache headers
INFO
13% of JavaScript execution is third-party
First-party Third-party 167ms · 0KB · A$3/mo
Unattributable
Other
Optional
Execution 167ms
Transfer 0 KB
Monthly Cost A$3/mo

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.

Send Feedback