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

Performance

· 15 checks — Lighthouse + waterfall + sustainability rolled into one auditable list.
SCORE
90
GRADE
A
FIX
2
REVIEW
1
PASS
10
INFO
2

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

Mobile Desktop
100
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.

273 ms

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

802 ms

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

10 ms

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

0.001

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

361 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.

802 ms

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
15
10 PASS 1 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 (426.6 KiB of 532.1 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
Green Hosting
Action
Whether the site is served from green-energy infrastructure
REVIEW

Green Hosting

No green hosting detected

A+
Page Weight Budget
532 KB transferred, 22 requests
PASS
532 KB transferred, 22 requests
Info::
Page weighs 941 KB (532 KB transferred)
Info::
22 HTTP requests
Info::
Estimated 0.11 g CO2 per page load
532 KB / 2.4 MB budget
532 KB transferred
22 requests
0.11 g CO2 per page load
Other 316.9 KiB 60%
HTML 103.0 KiB 19%
JavaScript 89.8 KiB 17%
Images 14.4 KiB 3%
Other 6.5 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 14 KB
0 oversized -0 KB
3 legacy format
0 missing dimensions CLS risk
A+
JS Execution Cost
309ms total JS execution
PASS
309ms total JS execution
Warning::
https://monash.edu.au/cdn-cgi/challenge-platform/h...: 257ms CPU time
Info::
Unattributable: 52ms CPU time
Info::
Third-party scripts: 52ms (17% of total)

Main Thread Breakdown

Script Evaluation 75% Other 17% Style & Layout 3%
ScriptTotalScriptingParse/CompileParty
https://monash.edu.au/cdn-cgi/challenge-platform/h/b/orchestrate/chl_page/v1?ray=9f07ed01fdc3036a257ms246ms4ms1st
Unattributable52ms1ms0ms3rd
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=9f07ed01fdc3036a72 KB—✓1st
blob:https://monash.edu.au/d387741e-b173-4e6f-a95d-a374117ff7340 KB—✓3rd
https://challenges.cloudflare.com/turnstile/v0/b/0b8fb825cb67/api.js?onload=cFRiY3&render=explicit17 KB—✓3rd
blob:https://monash.edu.au/53ef86c7-41aa-4c5c-931c-6cd17fb91d56-0 KB—✓3rd
blob:https://challenges.cloudflare.com/ef4742f5-0e88-4fe8-bab0-33ca5189d80f0 KB—✓3rd
blob:https://challenges.cloudflare.com/503f7485-28b6-4e3f-ad2e-d4da261ac5f2-0 KB—✓3rd
blob:https://challenges.cloudflare.com/503f7485-28b6-4e3f-ad2e-d4da261ac5f2-0 KB—✓3rd
blob:https://challenges.cloudflare.com/503f7485-28b6-4e3f-ad2e-d4da261ac5f2-0 KB—✓3rd
blob:https://challenges.cloudflare.com/503f7485-28b6-4e3f-ad2e-d4da261ac5f2-0 KB—✓3rd
blob:https://challenges.cloudflare.com/503f7485-28b6-4e3f-ad2e-d4da261ac5f20 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 · 532 KB · 0 KB savings available
PASS
22 resources · 532 KB · 0 KB savings available
Info::
Within 1MB page-weight target
Got: 532 KB
Warning::
16 third-party resources (80% of weight)
Info::
1 resources over 200KB
22 resources · 532.1 KiB · 16 third-party Within 1MB page-weight target
Other 60% · 318.6 KiB
Document 21% · 109.4 KiB
JavaScript 17% · 89.8 KiB
Image 3% · 14.4 KiB
Network Waterfall
22 requests over 2594ms
INFO
0 ms 500 ms 1.0 s 1.5 s 2.0 s 2.5 s FCP 273 ms LCP 802 mshttps://monash.edu.au// https://monash.edu.au/ — 307 — 63 B — 39 ms — http/1.1https://monash.edu.au// https://monash.edu.au/ — 403 — 5.4 KiB — 18 ms — h2https://monash.edu.au/cdn-cgi/challenge-platform/h/b/orchestrate/chl_page/v1?ray=9f07ed01fdc3036a/cdn-cgi/challenge-platform/h/b/orc... https://monash.edu.au/cdn-cgi/challenge-platform/h/b/orchestrate/chl_page/v1?ray=9f07ed01fdc3036a — 200 — 72.4 KiB — 25 ms — h2blob:https://monash.edu.au/d387741e-b173-4e6f-a95d-a374117ff734monash.edu.au/d387741e-b173-4e6f-a9... blob:https://monash.edu.au/d387741e-b173-4e6f-a95d-a374117ff734 — -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 — 65 ms — h3https://monash.edu.au/favicon.ico/favicon.ico https://monash.edu.au/favicon.ico — 403 — 7.9 KiB — 16 ms — h2https://monash.edu.au/favicon.ico/favicon.ico https://monash.edu.au/favicon.ico — 403 — 6.4 KiB — 16 ms — h2https://monash.edu.au/cdn-cgi/challenge-platform/h/b/flow/ov1/927531819:1776892371:vVewUlFmas0srb30l10YFlK8gjcJmXL29Dq7B946IKw/9f07ed01fdc3036a/jexjsRyHd59WJK6x3d4gsnGOqvqzuhRntMA2rdCGdpU-1776895483-1.2.1.1-C86Y.u9x3dgeE6qcyfb2HDTI5G4TS2Zrx8BwPIvh2j0Ub8axOG9.lTPCYE.KeqbM/cdn-cgi/challenge-platform/h/b/flo... https://monash.edu.au/cdn-cgi/challenge-platform/h/b/flow/ov1/927531819:1776892371:vVewUlFmas0srb30l10YFlK8gjcJmXL29Dq7B946IKw/9f07ed01fdc3036a/jexjsRyHd59WJK6x3d4gsnGOqvqzuhRntMA2rdCGdpU-1776895483-1.2.1.1-C86Y.u9x3dgeE6qcyfb2HDTI5G4TS2Zrx8BwPIvh2j0Ub8axOG9.lTPCYE.KeqbM — 200 — 13.5 KiB — 30 ms — h2blob:https://monash.edu.au/53ef86c7-41aa-4c5c-931c-6cd17fb91d56monash.edu.au/53ef86c7-41aa-4c5c-93... blob:https://monash.edu.au/53ef86c7-41aa-4c5c-931c-6cd17fb91d56 — 200 — -1 B — 33 ms — blobhttps://challenges.cloudflare.com/cdn-cgi/challenge-platform/h/b/turnstile/f/ov2/av0/rch/jsgar/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/jsgar/0x4AAAAAAADnPIDROrmt1Wwj/light/fbE/new/normal?lang=auto — 200 — 97.6 KiB — 100 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/ef4742f5-0e88-4fe8-bab0-33ca5189d80fchallenges.cloudflare.com/ef4742f5-... blob:https://challenges.cloudflare.com/ef4742f5-0e88-4fe8-bab0-33ca5189d80f — -1 — 0 B — 0 ms — https://challenges.cloudflare.com/cdn-cgi/challenge-platform/h/b/flow/ov1/4100900095:1776892373:L0nL67ly3l9VisnM33R_sKjYxQhSpF0B3njDgeQGRpI/9f07ed043932f015/pu8c3OjOh9.0rYQ5EKevYpI0Xoqr1ItSXe.TTzZuv7w-1776895483-1.2.1.1-wY4r.ScXHtDNUW4uVNxdCCApFMY705H6p4QupiSG5P3CMKZyL0hNLBQ3YFUsc4Fjchallenges.cloudflare.com/cdn-cgi/c... https://challenges.cloudflare.com/cdn-cgi/challenge-platform/h/b/flow/ov1/4100900095:1776892373:L0nL67ly3l9VisnM33R_sKjYxQhSpF0B3njDgeQGRpI/9f07ed043932f015/pu8c3OjOh9.0rYQ5EKevYpI0Xoqr1ItSXe.TTzZuv7w-1776895483-1.2.1.1-wY4r.ScXHtDNUW4uVNxdCCApFMY705H6p4QupiSG5P3CMKZyL0hNLBQ3YFUsc4Fj — 200 — 280.7 KiB — 138 ms — h3blob:https://challenges.cloudflare.com/503f7485-28b6-4e3f-ad2e-d4da261ac5f2challenges.cloudflare.com/503f7485-... blob:https://challenges.cloudflare.com/503f7485-28b6-4e3f-ad2e-d4da261ac5f2 — 200 — -1 B — 16 ms — blobblob:https://challenges.cloudflare.com/503f7485-28b6-4e3f-ad2e-d4da261ac5f2challenges.cloudflare.com/503f7485-... blob:https://challenges.cloudflare.com/503f7485-28b6-4e3f-ad2e-d4da261ac5f2 — 200 — -1 B — 14 ms — blobhttps://challenges.cloudflare.com/cdn-cgi/challenge-platform/h/b/pat/9f07ed043932f015/1776895483858/8b57c14dd83d077eea58b4376c1d7cc7553bf21e6fb5990f50034f53b2d5b4b6/_eRl8MTVv5r2RO0challenges.cloudflare.com/cdn-cgi/c... https://challenges.cloudflare.com/cdn-cgi/challenge-platform/h/b/pat/9f07ed043932f015/1776895483858/8b57c14dd83d077eea58b4376c1d7cc7553bf21e6fb5990f50034f53b2d5b4b6/_eRl8MTVv5r2RO0 — 401 — 1.7 KiB — 22 ms — h3https://challenges.cloudflare.com/cdn-cgi/challenge-platform/h/b/d/9f07ed043932f015/1776895483858/BJ_AMHlyGJID6Cwchallenges.cloudflare.com/cdn-cgi/c... https://challenges.cloudflare.com/cdn-cgi/challenge-platform/h/b/d/9f07ed043932f015/1776895483858/BJ_AMHlyGJID6Cw — 200 — 6.3 KiB — 20 ms — h3blob:https://challenges.cloudflare.com/503f7485-28b6-4e3f-ad2e-d4da261ac5f2challenges.cloudflare.com/503f7485-... blob:https://challenges.cloudflare.com/503f7485-28b6-4e3f-ad2e-d4da261ac5f2 — 200 — -1 B — 34 ms — blobblob:https://challenges.cloudflare.com/503f7485-28b6-4e3f-ad2e-d4da261ac5f2challenges.cloudflare.com/503f7485-... blob:https://challenges.cloudflare.com/503f7485-28b6-4e3f-ad2e-d4da261ac5f2 — 200 — -1 B — 34 ms — blobblob:https://challenges.cloudflare.com/503f7485-28b6-4e3f-ad2e-d4da261ac5f2challenges.cloudflare.com/503f7485-... blob:https://challenges.cloudflare.com/503f7485-28b6-4e3f-ad2e-d4da261ac5f2 — -1 — 0 B — 0 ms — https://challenges.cloudflare.com/cdn-cgi/challenge-platform/h/b/flow/ov1/4100900095:1776892373:L0nL67ly3l9VisnM33R_sKjYxQhSpF0B3njDgeQGRpI/9f07ed043932f015/pu8c3OjOh9.0rYQ5EKevYpI0Xoqr1ItSXe.TTzZuv7w-1776895483-1.2.1.1-wY4r.ScXHtDNUW4uVNxdCCApFMY705H6p4QupiSG5P3CMKZyL0hNLBQ3YFUsc4Fjchallenges.cloudflare.com/cdn-cgi/c... https://challenges.cloudflare.com/cdn-cgi/challenge-platform/h/b/flow/ov1/4100900095:1776892373:L0nL67ly3l9VisnM33R_sKjYxQhSpF0B3njDgeQGRpI/9f07ed043932f015/pu8c3OjOh9.0rYQ5EKevYpI0Xoqr1ItSXe.TTzZuv7w-1776895483-1.2.1.1-wY4r.ScXHtDNUW4uVNxdCCApFMY705H6p4QupiSG5P3CMKZyL0hNLBQ3YFUsc4Fj — 200 — 22.8 KiB — 46 ms — h3blob:https://challenges.cloudflare.com/e80a3335-402d-45ae-b3d8-a1663ebde36fchallenges.cloudflare.com/e80a3335-... blob:https://challenges.cloudflare.com/e80a3335-402d-45ae-b3d8-a1663ebde36f — 200 — -1 B — 19 ms — blob
HTML JavaScript CSS Images Fonts XHR/Fetch Other
Third-Party Script Cost
Per-script blocking time, transfer cost, and cache headers
INFO
17% of JavaScript execution is third-party
First-party Third-party 52ms · 0KB · A$1/mo
Unattributable
Other
Optional
Execution 52ms
Transfer 0 KB
Monthly Cost A$1/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