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Performance

· 15 checks — Lighthouse + waterfall + sustainability rolled into one auditable list.
SCORE
68
GRADE
D
FIX
5
REVIEW
3
PASS
5
INFO
2

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

79
Performance Overall performance score (0–100) based on Core Web Vitals and other metrics. 90+ is good.
88
Accessibility Measures how accessible the page is for users with disabilities. Checks color contrast, ARIA labels, and semantic HTML.
81
Best Practices Checks for modern web development best practices including HTTPS, no console errors, and secure JavaScript.
100
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.

1.16 s

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

2.13 s

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

50 ms

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

0.000

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

3.76 s

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

4.54 s

Page Load Progression

2.4 s
4.8 s
7.3 s
9.7 s
12.1 s
14.5 s
16.9 s
19.4 s
Checks
15
5 PASS 3 REVIEW 5 FIX
F
Page Weight Budget
Action
5.4 MB transferred, 80 requests
FIX
5.4 MB transferred, 80 requests
Critical::
Page weighs 9.4 MB (5.4 MB transferred)
Warning::
JavaScript is 1.7 MB — consider code splitting or lazy loading
Large JavaScript bundles delay interactivity. Split code by route or defer non-critical scripts.
Got: 1.7 MB
Info::
80 HTTP requests
Info::
Estimated 1.1 g CO2 per page load
5.4 MB / 2.4 MB budget
5.4 MB transferred
80 requests
1.1 g CO2 per page load
Other 3.1 MiB 57%
JavaScript 1.7 MiB 32%
Images 403.4 KiB 7%
Fonts 111.0 KiB 2%
HTML 39.1 KiB 1%
Other 27.8 KiB 1%
CSS 11.2 KiB 0%
Other 2.6 KiB 0%
Other 556 B 0%
Other 171 B 0%
0 2.4 MB 4.9 MB
Over budget

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

D
Third-Party Impact
Action
100% third-party, 0 ms blocking
FIX
100% third-party, 0 ms blocking
Warning::
Third-party code accounts for 100% of page weight (5.4 MiB of 5.4 MiB)
Info::
Third-party blocking time is low (0 ms)
100%
First-party Third-party
F
JS Bundles
Action
39 scripts, 612 KB unused
FIX
39 scripts, 612 KB unused
Warning::
https://www.googletagmanager.com/gtag/js?id=G-4YY6...: 67 KB unused (38%)
Consider code splitting or tree shaking to reduce unused code.
Warning::
https://www.googletagmanager.com/gtag/js?id=AW-870...: 62 KB unused (43%)
Consider code splitting or tree shaking to reduce unused code.
Warning::
https://www.googletagmanager.com/gtag/js?id=AW-982...: 62 KB unused (45%)
Consider code splitting or tree shaking to reduce unused code.
Warning::
https://www.googletagmanager.com/gtag/js?id=DC-155...: 61 KB unused (47%)
Consider code splitting or tree shaking to reduce unused code.
Warning::
https://www.googletagmanager.com/gtag/js?id=DC-610...: 61 KB unused (47%)
Consider code splitting or tree shaking to reduce unused code.
Info::
Total unused JavaScript: 612 KB
612 KB unused JavaScript

Downloaded but never executed on this page.

ScriptSizeUnusedMinifiedParty
https://www.googletagmanager.com/gtag/js?id=G-4YY6NWZJSM&cx=c&gtm=4e64k0h2177 KB67 KB (38%)3rd
https://www.googletagmanager.com/gtag/js?id=AW-870914452&cx=c&gtm=4e64k0h2144 KB62 KB (43%)3rd
https://www.googletagmanager.com/gtag/js?id=AW-982386578&cx=c&gtm=4e64k0h2137 KB62 KB (45%)3rd
https://www.googletagmanager.com/gtag/js?id=DC-15529822&cx=c&gtm=4e64k0h2129 KB61 KB (47%)3rd
https://www.googletagmanager.com/gtag/js?id=DC-6108309&cx=c&gtm=4e64k0h2129 KB61 KB (47%)3rd
https://www.psu.edu/_next/static/chunks/2216-24f966dfb5453572.js90 KB61 KB (69%)3rd
https://www.googletagmanager.com/gtm.js?id=GTM-P3SBL5168 KB60 KB (36%)3rd
https://www.psu.edu/_next/static/chunks/6016-82769d89c4b0e86a.js85 KB57 KB (68%)3rd
https://www.psu.edu/_next/static/chunks/5168-5dae27bc77ab4fdd.js74 KB41 KB (60%)3rd
https://connect.facebook.net/en_US/fbevents.js97 KB33 KB (34%)3rd

Consider code splitting or tree shaking to reduce unused code.

Why this matters

This bundle has high unused code — code-split or tree-shake to ship only what executes.

Source: web.dev / Lighthouse coverage

Consider code splitting or tree shaking to reduce unused code.

Why this matters

This bundle has high unused code — code-split or tree-shake to ship only what executes.

Source: web.dev / Lighthouse coverage

Consider code splitting or tree shaking to reduce unused code.

Why this matters

This bundle has high unused code — code-split or tree-shake to ship only what executes.

Source: web.dev / Lighthouse coverage

Consider code splitting or tree shaking to reduce unused code.

Why this matters

This bundle has high unused code — code-split or tree-shake to ship only what executes.

Source: web.dev / Lighthouse coverage

Consider code splitting or tree shaking to reduce unused code.

Why this matters

This bundle has high unused code — code-split or tree-shake to ship only what executes.

Source: web.dev / Lighthouse coverage

F
Page Weight Inventory
Action
80 resources · 5.4 MB · 612 KB savings available
FIX
80 resources · 5.4 MB · 612 KB savings available
Warning::
Page weight 4.4 MB over 1MB target
Got: 5.4 MB Expected: ≤ 1 MB
Info::
~612 KB of savings available
Warning::
79 third-party resources (100% of weight)
Info::
1 resources over 200KB
80 resources · 5.4 MiB · 79 third-party 4.4 MiB over 1MB target
Media 57% · 3.1 MiB
JavaScript 32% · 1.7 MiB
Image 8% · 431.1 KiB
Font 2% · 111.0 KiB
Document 1% · 39.2 KiB
CSS 0% · 11.2 KiB
Other 0% · 3.3 KiB

~612.2 KiB of savings available

Remove unused JavaScript: 612.2 KiB
F
HTTP Caching
Action
No cache headers
FIX
No cache headers
Warning::
No Cache-Control header found
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.

B
Image Optimization
12 images, 0 KB saveable
REVIEW
12 images, 0 KB saveable
Warning::
https://images.ctfassets.net/p7x3ai5plaz1/1wVBvFkh... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
12 images 403 KB
0 oversized -0 KB
4 legacy format
1 missing dimensions CLS 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

C
JS Execution Cost
Action
1130ms total JS execution
REVIEW
1130ms total JS execution
Warning::
Unattributable: 252ms CPU time
Info::
https://script.hotjar.com/modules.6a0f3932cb1341a3...: 222ms CPU time
Info::
https://www.psu.edu/_next/static/chunks/1528-f6ff0...: 154ms CPU time
Info::
https://www.psu.edu/: 144ms CPU time
Info::
https://www.googletagmanager.com/gtm.js?id=GTM-P3S...: 92ms CPU time
Warning::
Third-party scripts: 1130ms (100% of total)

Main Thread Breakdown

Script Evaluation 61% Other 18% Script Parsing & Compilation 8% Style & Layout 7% Garbage Collection 3%
ScriptTotalScriptingParse/CompileParty
Unattributable252ms5ms0ms3rd
https://script.hotjar.com/modules.6a0f3932cb1341a35c18.js222ms184ms5ms3rd
https://www.psu.edu/_next/static/chunks/1528-f6ff037bf6a98646.js154ms144ms3ms3rd
https://www.psu.edu/144ms16ms3ms3rd
https://www.googletagmanager.com/gtm.js?id=GTM-P3SBL592ms76ms14ms3rd
https://www.googletagmanager.com/gtag/js?id=G-4YY6NWZJSM&cx=c&gtm=4e64k0h281ms68ms12ms3rd
https://www.psu.edu/_next/static/chunks/5416-e0797b595b278ec3.js70ms69ms1ms3rd
https://www.psu.edu/_next/static/chunks/1dd3208c-5dda107b194ce164.js63ms56ms4ms3rd
https://www.googletagmanager.com/gtag/js?id=AW-982386578&cx=c&gtm=4e64k0h251ms44ms7ms3rd
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
4 fonts (111 KB)
PASS
4 fonts (111 KB)
Info::
4 font(s) use font-display: swap (FOUT risk but functional)

Web fonts

4

111 KB total

Render-blocking

0

of 4

Dominant font-display

swap

Most common across fonts

Font loading timeline
Transfer FOIT (block) FOUT (swap)
0 ms 500 ms 1.0 s 1.5 s 2.0 s FCP 1.2 s LCP 2.1 shttps://www.psu.edu/_next/static/media/1e41be92c43b3255-s.p.woff21e41be92c43b3255-s.p.woff2 https://www.psu.edu/_next/static/media/1e41be92c43b3255-s.p.woff2 — 37.2 KiB — 24 ms — font-display: swaphttps://www.psu.edu/_next/static/media/b27221386d567033-s.p.woff2b27221386d567033-s.p.woff2 https://www.psu.edu/_next/static/media/b27221386d567033-s.p.woff2 — 14.5 KiB — 24 ms — font-display: swaphttps://www.psu.edu/_next/static/media/dc1a31dd116e0329-s.p.woff2dc1a31dd116e0329-s.p.woff2 https://www.psu.edu/_next/static/media/dc1a31dd116e0329-s.p.woff2 — 45.6 KiB — 26 ms — font-display: swaphttps://www.psu.edu/_next/static/media/fb1cc161d0747b3d-s.p.woff2fb1cc161d0747b3d-s.p.woff2 https://www.psu.edu/_next/static/media/fb1cc161d0747b3d-s.p.woff2 — 13.7 KiB — 26 ms — font-display: swap
1e41be92c43b3255-s.p.woff2 woff2 swap
Size 37 KB
Load time 24 ms
Start 529 ms
Risk FOUT — text flashes from fallback to web font
b27221386d567033-s.p.woff2 woff2 swap
Size 14 KB
Load time 24 ms
Start 529 ms
Risk FOUT — text flashes from fallback to web font
dc1a31dd116e0329-s.p.woff2 woff2 swap
Size 46 KB
Load time 26 ms
Start 529 ms
Risk FOUT — text flashes from fallback to web font
fb1cc161d0747b3d-s.p.woff2 woff2 swap
Size 14 KB
Load time 26 ms
Start 529 ms
Risk FOUT — 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)
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
80 requests over 32599ms
INFO
0 ms 2.0 s 4.0 s 6.0 s 8.0 s 10.0 s 12.0 s 14.0 s 16.0 s 18.0 s 20.0 s 22.0 s 24.0 s 26.0 s 28.0 s 30.0 s 32.0 s 34.0 s FCP 1.2 s LCP 2.1 shttps://psu.edu// https://psu.edu/ — 301 — 82 B — 309 ms — h2https://www.psu.edu/www.psu.edu/ https://www.psu.edu/ — 200 — 39.1 KiB — 211 ms — h2https://www.psu.edu/_next/static/media/1e41be92c43b3255-s.p.woff2www.psu.edu/_next/static/media/1e41... https://www.psu.edu/_next/static/media/1e41be92c43b3255-s.p.woff2 — 200 — 37.2 KiB — 24 ms — h2https://www.psu.edu/_next/static/media/b27221386d567033-s.p.woff2www.psu.edu/_next/static/media/b272... https://www.psu.edu/_next/static/media/b27221386d567033-s.p.woff2 — 200 — 14.5 KiB — 24 ms — h2https://www.psu.edu/_next/static/media/dc1a31dd116e0329-s.p.woff2www.psu.edu/_next/static/media/dc1a... https://www.psu.edu/_next/static/media/dc1a31dd116e0329-s.p.woff2 — 200 — 45.6 KiB — 26 ms — h2https://www.psu.edu/_next/static/media/fb1cc161d0747b3d-s.p.woff2www.psu.edu/_next/static/media/fb1c... https://www.psu.edu/_next/static/media/fb1cc161d0747b3d-s.p.woff2 — 200 — 13.7 KiB — 26 ms — h2https://www.psu.edu/_next/static/css/4a88a4130ecd0838.csswww.psu.edu/_next/static/css/4a88a4... https://www.psu.edu/_next/static/css/4a88a4130ecd0838.css — 200 — 3.1 KiB — 16 ms — h2https://www.psu.edu/_next/static/css/666785ae41fb2366.csswww.psu.edu/_next/static/css/666785... https://www.psu.edu/_next/static/css/666785ae41fb2366.css — 200 — 825 B — 16 ms — h2https://www.psu.edu/_next/static/css/0c003ca29e796b84.csswww.psu.edu/_next/static/css/0c003c... https://www.psu.edu/_next/static/css/0c003ca29e796b84.css — 200 — 3.0 KiB — 17 ms — h2https://www.psu.edu/_next/static/css/851e9a401aa65c8a.csswww.psu.edu/_next/static/css/851e9a... https://www.psu.edu/_next/static/css/851e9a401aa65c8a.css — 200 — 1.1 KiB — 17 ms — h2https://www.psu.edu/_next/static/css/f4e28bc3d4c3174f.csswww.psu.edu/_next/static/css/f4e28b... https://www.psu.edu/_next/static/css/f4e28bc3d4c3174f.css — 200 — 3.3 KiB — 16 ms — h2https://images.ctfassets.net/p7x3ai5plaz1/1wVBvFkhF0ArrdaMlzLiCi/125b0659267cacef241e88b5517a51eb/logotype.svgimages.ctfassets.net/p7x3ai5plaz1/1... https://images.ctfassets.net/p7x3ai5plaz1/1wVBvFkhF0ArrdaMlzLiCi/125b0659267cacef241e88b5517a51eb/logotype.svg — 200 — 1.7 KiB — 81 ms — h2https://www.psu.edu/_next/static/chunks/webpack-520e0a68887375a1.jswww.psu.edu/_next/static/chunks/web... https://www.psu.edu/_next/static/chunks/webpack-520e0a68887375a1.js — 200 — 3.1 KiB — 48 ms — h2https://www.psu.edu/_next/static/chunks/1dd3208c-5dda107b194ce164.jswww.psu.edu/_next/static/chunks/1dd... https://www.psu.edu/_next/static/chunks/1dd3208c-5dda107b194ce164.js — 200 — 54.5 KiB — 59 ms — h2https://www.psu.edu/_next/static/chunks/1528-f6ff037bf6a98646.jswww.psu.edu/_next/static/chunks/152... https://www.psu.edu/_next/static/chunks/1528-f6ff037bf6a98646.js — 200 — 32.8 KiB — 59 ms — h2https://www.psu.edu/_next/static/chunks/main-app-420abd7798f6e175.jswww.psu.edu/_next/static/chunks/mai... https://www.psu.edu/_next/static/chunks/main-app-420abd7798f6e175.js — 200 — 1.0 KiB — 53 ms — h2https://www.psu.edu/_next/static/chunks/14aeac6e-99806b3cf8c74589.jswww.psu.edu/_next/static/chunks/14a... https://www.psu.edu/_next/static/chunks/14aeac6e-99806b3cf8c74589.js — 200 — 44.5 KiB — 66 ms — h2https://www.psu.edu/_next/static/chunks/2306-f2d1f285c1633282.jswww.psu.edu/_next/static/chunks/230... https://www.psu.edu/_next/static/chunks/2306-f2d1f285c1633282.js — 200 — 10.3 KiB — 57 ms — h2https://www.psu.edu/_next/static/chunks/5549-b6987a6e257cc8bb.jswww.psu.edu/_next/static/chunks/554... https://www.psu.edu/_next/static/chunks/5549-b6987a6e257cc8bb.js — 200 — 11.4 KiB — 56 ms — h2https://www.psu.edu/_next/static/chunks/8146-4edd96498d5fe42c.jswww.psu.edu/_next/static/chunks/814... https://www.psu.edu/_next/static/chunks/8146-4edd96498d5fe42c.js — 200 — 9.6 KiB — 57 ms — h2https://www.psu.edu/_next/static/chunks/6016-82769d89c4b0e86a.jswww.psu.edu/_next/static/chunks/601... https://www.psu.edu/_next/static/chunks/6016-82769d89c4b0e86a.js — 200 — 85.1 KiB — 74 ms — h2https://www.psu.edu/_next/static/chunks/9437-6a6f83d0412383fd.jswww.psu.edu/_next/static/chunks/943... https://www.psu.edu/_next/static/chunks/9437-6a6f83d0412383fd.js — 200 — 1.7 KiB — 57 ms — h2https://www.psu.edu/_next/static/chunks/1060-1ae0ed3d5345c374.jswww.psu.edu/_next/static/chunks/106... https://www.psu.edu/_next/static/chunks/1060-1ae0ed3d5345c374.js — 200 — 47.4 KiB — 73 ms — h2https://www.psu.edu/_next/static/chunks/1309-692bdc06c7c42bfa.jswww.psu.edu/_next/static/chunks/130... https://www.psu.edu/_next/static/chunks/1309-692bdc06c7c42bfa.js — 200 — 46.1 KiB — 73 ms — h2https://www.psu.edu/_next/static/chunks/1641-b54214c20cba351a.jswww.psu.edu/_next/static/chunks/164... https://www.psu.edu/_next/static/chunks/1641-b54214c20cba351a.js — 200 — 21.2 KiB — 63 ms — h2https://www.psu.edu/_next/static/chunks/5416-e0797b595b278ec3.jswww.psu.edu/_next/static/chunks/541... https://www.psu.edu/_next/static/chunks/5416-e0797b595b278ec3.js — 200 — 16.2 KiB — 80 ms — h2https://www.psu.edu/_next/static/chunks/app/layout-7b82831e078177bb.jswww.psu.edu/_next/static/chunks/app... https://www.psu.edu/_next/static/chunks/app/layout-7b82831e078177bb.js — 200 — 20.6 KiB — 58 ms — h2https://www.psu.edu/_next/static/chunks/app/not-found-e05a0c950ba7d61d.jswww.psu.edu/_next/static/chunks/app... https://www.psu.edu/_next/static/chunks/app/not-found-e05a0c950ba7d61d.js — 200 — 2.4 KiB — 59 ms — h2https://www.psu.edu/_next/static/chunks/2216-24f966dfb5453572.jswww.psu.edu/_next/static/chunks/221... https://www.psu.edu/_next/static/chunks/2216-24f966dfb5453572.js — 200 — 90.0 KiB — 81 ms — h2https://www.psu.edu/_next/static/chunks/3986-a0623fd4a22ad7ab.jswww.psu.edu/_next/static/chunks/398... https://www.psu.edu/_next/static/chunks/3986-a0623fd4a22ad7ab.js — 200 — 2.9 KiB — 68 ms — h2
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https://firestore.googleapis.com/google.firestore.v1.Firestore/Listen/channel?gsessionid=gBnbfV9EzZHChWTu5AGFUT8l9w9ngDFQ0ukYkdHWr_za3rOsfspUDA&VER=8&database=projects%2Fnews-b82b1%2Fdatabases%2F(default)&RID=rpc&SID=CJmA-xfyEtHqptx7Hpji8A&AID=0&CI=0&TYPE=xmlhttp&zx=7j5b1pr0xl2j&t=1 — 200 — 501 B — 662 ms — h2https://script.hotjar.com/modules.6a0f3932cb1341a35c18.jsscript.hotjar.com/modules.6a0f3932c... https://script.hotjar.com/modules.6a0f3932cb1341a35c18.js — 200 — 56.6 KiB — 12 ms — h2https://www.google.com/ccm/collect?rcb=1&frm=0&en=page_view&dl=https%3A%2F%2Fwww.psu.edu%2F&scrsrc=www.googletagmanager.com&rnd=1132822751.1776797619&dt=The%20Pennsylvania%20State%20University&auid=1201924975.1776797619&navt=n&npa=1&gtm=45be64k0h2v9179345657z86412396za20gzb6412396zd6412396xec&gcd=13l3l3l2l1l1&dma_cps=a&dma=1&tag_exp=0~115938465~115938468~117266401~117384405&apve=1&apvf=f&apvc=0&tids=AW-870914452&tid=AW-870914452&tft=1776797618953&tfd=1312www.google.com/ccm/collect?rcb=1&fr... https://www.google.com/ccm/collect?rcb=1&frm=0&en=page_view&dl=https%3A%2F%2Fwww.psu.edu%2F&scrsrc=www.googletagmanager.com&rnd=1132822751.1776797619&dt=The%20Pennsylvania%20State%20University&auid=1201924975.1776797619&navt=n&npa=1&gtm=45be64k0h2v9179345657z86412396za20gzb6412396zd6412396xec&gcd=13l3l3l2l1l1&dma_cps=a&dma=1&tag_exp=0~115938465~115938468~117266401~117384405&apve=1&apvf=f&apvc=0&tids=AW-870914452&tid=AW-870914452&tft=1776797618953&tfd=1312 — 200 — 21 B — 54 ms — h3https://www.google.com/ccm/collect?rcb=12&frm=0&en=page_view&dl=https%3A%2F%2Fwww.psu.edu%2F&scrsrc=www.googletagmanager.com&rnd=1132822751.1776797619&dt=The%20Pennsylvania%20State%20University&auid=1201924975.1776797619&navt=n&npa=1&gtm=45be64k0h2v9194449425z86412396za20gzb6412396zd6412396xec&gcd=13l3l3l2l1l1&dma_cps=a&dma=1&tag_exp=0~115616986~115938465~115938468~117266400&apve=1&apvf=f&apvc=0&tids=AW-982386578&tid=AW-982386578&tft=1776797619005&tfd=1364www.google.com/ccm/collect?rcb=12&f... https://www.google.com/ccm/collect?rcb=12&frm=0&en=page_view&dl=https%3A%2F%2Fwww.psu.edu%2F&scrsrc=www.googletagmanager.com&rnd=1132822751.1776797619&dt=The%20Pennsylvania%20State%20University&auid=1201924975.1776797619&navt=n&npa=1&gtm=45be64k0h2v9194449425z86412396za20gzb6412396zd6412396xec&gcd=13l3l3l2l1l1&dma_cps=a&dma=1&tag_exp=0~115616986~115938465~115938468~117266400&apve=1&apvf=f&apvc=0&tids=AW-982386578&tid=AW-982386578&tft=1776797619005&tfd=1364 — 200 — 21 B — 39 ms — h3https://connect.facebook.net/signals/config/2095060143879058?v=2.9.303&r=stable&domain=www.psu.edu&hme=97937018cefade17726f0472876fc101316b2ce9008a35a6a5a7977d7436151a&ex_m=104%2C205%2C154%2C22%2C72%2C73%2C145%2C68%2C67%2C11%2C162%2C90%2C16%2C138%2C127%2C39%2C75%2C78%2C134%2C159%2C164%2C8%2C4%2C5%2C7%2C6%2C3%2C91%2C101%2C165%2C170%2C219%2C62%2C186%2C187%2C55%2C276%2C30%2C74%2C231%2C230%2C229%2C23%2C33%2C103%2C61%2C10%2C63%2C97%2C98%2C99%2C105%2C130%2C31%2C29%2C132%2C133%2C129%2C128%2C155%2C76%2C158%2C156%2C157%2C50%2C60%2C123%2C15%2C161%2C45%2C263%2C264%2C262%2C26%2C27%2C28%2C48%2C146%2C77%2C112%2C18%2C20%2C44%2C40%2C42%2C41%2C83%2C92%2C96%2C110%2C144%2C147%2C46%2C111%2C24%2C21%2C119%2C69%2C36%2C149%2C148%2C150%2C141%2C139%2C25%2C35%2C59%2C109%2C160%2C70%2C17%2C152%2C114%2C81%2C66%2C19%2C85%2C86%2C116%2C84%2C136%2C135%2C34%2C278%2C293%2C212%2C201%2C202%2C200%2C296%2C288%2C52%2C213%2C107%2C131%2C80%2C121%2C54%2C47%2C49%2C113%2C120%2C126%2C58%2C64%2C151%2C115%2C37%2C32%2C53%2C56%2C100%2C163%2C1%2C124%2C14%2C122%2C12%2C2%2C57%2C93%2C65%2C118%2C89%2C88%2C166%2C167%2C94%2C95%2C9%2C125%2C102%2C51%2C142%2C87%2C79%2C71%2C117%2C106%2C43%2C143%2C0%2C82%2C137%2C140%2C153%2C38%2C108%2C13%2C168connect.facebook.net/signals/config... https://connect.facebook.net/signals/config/2095060143879058?v=2.9.303&r=stable&domain=www.psu.edu&hme=97937018cefade17726f0472876fc101316b2ce9008a35a6a5a7977d7436151a&ex_m=104%2C205%2C154%2C22%2C72%2C73%2C145%2C68%2C67%2C11%2C162%2C90%2C16%2C138%2C127%2C39%2C75%2C78%2C134%2C159%2C164%2C8%2C4%2C5%2C7%2C6%2C3%2C91%2C101%2C165%2C170%2C219%2C62%2C186%2C187%2C55%2C276%2C30%2C74%2C231%2C230%2C229%2C23%2C33%2C103%2C61%2C10%2C63%2C97%2C98%2C99%2C105%2C130%2C31%2C29%2C132%2C133%2C129%2C128%2C155%2C76%2C158%2C156%2C157%2C50%2C60%2C123%2C15%2C161%2C45%2C263%2C264%2C262%2C26%2C27%2C28%2C48%2C146%2C77%2C112%2C18%2C20%2C44%2C40%2C42%2C41%2C83%2C92%2C96%2C110%2C144%2C147%2C46%2C111%2C24%2C21%2C119%2C69%2C36%2C149%2C148%2C150%2C141%2C139%2C25%2C35%2C59%2C109%2C160%2C70%2C17%2C152%2C114%2C81%2C66%2C19%2C85%2C86%2C116%2C84%2C136%2C135%2C34%2C278%2C293%2C212%2C201%2C202%2C200%2C296%2C288%2C52%2C213%2C107%2C131%2C80%2C121%2C54%2C47%2C49%2C113%2C120%2C126%2C58%2C64%2C151%2C115%2C37%2C32%2C53%2C56%2C100%2C163%2C1%2C124%2C14%2C122%2C12%2C2%2C57%2C93%2C65%2C118%2C89%2C88%2C166%2C167%2C94%2C95%2C9%2C125%2C102%2C51%2C142%2C87%2C79%2C71%2C117%2C106%2C43%2C143%2C0%2C82%2C137%2C140%2C153%2C38%2C108%2C13%2C168 — 200 — 46.2 KiB — 26 ms — h3https://region1.analytics.google.com/g/collect?v=2&tid=G-4YY6NWZJSM&gtm=45je64k0h2v9176603698z86412396za20gzb6412396zd6412396&_p=1776797618485&_gaz=1&gcd=13l3l3l2l1l1&npa=1&dma_cps=a&dma=1&ecid=1743165327&_eu=AAAAAGA&are=1&cid=1282467635.1776797619&ec_mode=a&frm=0&pscdl=noapi&rcb=4&sr=800x600&uaa=x86&uab=64&uafvl=Chromium%3B147.0.7727.101%7CNot.A%252FBrand%3B8.0.0.0&uam=&uamb=0&uap=macOS&uapv=10.15.7&uaw=0&ul=en-us&gaf=2&_s=1&tag_exp=0~115616985~115938465~115938468~117266400~117884344&sid=1776797619&sct=1&seg=0&dl=https%3A%2F%2Fwww.psu.edu%2F&dt=The%20Pennsylvania%20State%20University&en=page_view&_fv=1&_nsi=1&_ss=1&tfd=1480region1.analytics.google.com/g/coll... https://region1.analytics.google.com/g/collect?v=2&tid=G-4YY6NWZJSM&gtm=45je64k0h2v9176603698z86412396za20gzb6412396zd6412396&_p=1776797618485&_gaz=1&gcd=13l3l3l2l1l1&npa=1&dma_cps=a&dma=1&ecid=1743165327&_eu=AAAAAGA&are=1&cid=1282467635.1776797619&ec_mode=a&frm=0&pscdl=noapi&rcb=4&sr=800x600&uaa=x86&uab=64&uafvl=Chromium%3B147.0.7727.101%7CNot.A%252FBrand%3B8.0.0.0&uam=&uamb=0&uap=macOS&uapv=10.15.7&uaw=0&ul=en-us&gaf=2&_s=1&tag_exp=0~115616985~115938465~115938468~117266400~117884344&sid=1776797619&sct=1&seg=0&dl=https%3A%2F%2Fwww.psu.edu%2F&dt=The%20Pennsylvania%20State%20University&en=page_view&_fv=1&_nsi=1&_ss=1&tfd=1480 — 204 — 547 B — 99 ms — h2https://stats.g.doubleclick.net/g/collect?v=2&tid=G-4YY6NWZJSM&cid=1282467635.1776797619&gtm=45je64k0h2v9176603698z86412396za20gzb6412396zd6412396&rcb=4&aip=1&dma=1&dma_cps=a&gcd=13l3l3l2l1l1&npa=1&frm=0&tag_exp=0~115616985~115938465~115938468~117266400~117884344stats.g.doubleclick.net/g/collect?v... https://stats.g.doubleclick.net/g/collect?v=2&tid=G-4YY6NWZJSM&cid=1282467635.1776797619&gtm=45je64k0h2v9176603698z86412396za20gzb6412396zd6412396&rcb=4&aip=1&dma=1&dma_cps=a&gcd=13l3l3l2l1l1&npa=1&frm=0&tag_exp=0~115616985~115938465~115938468~117266400~117884344 — 204 — 556 B — 78 ms — h2https://www.google.es/ads/ga-audiences?v=1&t=sr&slf_rd=1&_r=4&tid=G-4YY6NWZJSM&cid=1282467635.1776797619&gtm=45je64k0h2v9176603698z86412396za20gzb6412396zd6412396&rcb=4&aip=1&dma=1&dma_cps=a&gcd=13l3l3l2l1l1&npa=1&frm=0&tag_exp=0~115616985~115938465~115938468~117266400~117884344&z=1727086217www.google.es/ads/ga-audiences?v=1&... https://www.google.es/ads/ga-audiences?v=1&t=sr&slf_rd=1&_r=4&tid=G-4YY6NWZJSM&cid=1282467635.1776797619&gtm=45je64k0h2v9176603698z86412396za20gzb6412396zd6412396&rcb=4&aip=1&dma=1&dma_cps=a&gcd=13l3l3l2l1l1&npa=1&frm=0&tag_exp=0~115616985~115938465~115938468~117266400~117884344&z=1727086217 — 200 — 408 B — 83 ms — h2https://mx.technolutions.net/ping?id=dc58a323-d9b3-ada2-8c5c-fe49f1121e6c&sid=eKvDqkO-IcfAAusBgkpuXsLJyS5HGbNA5c-MarGzcP4fxqE51Dg-2QgYHUJ5TkTZJUEvXvdjUf8xQCTJVGeWeSiLdojKjMKlurBEyXg8y0A&hid=56b3d0f5-fbbc-cf39-b171-39d7ace6d7d3mx.technolutions.net/ping?id=dc58a3... https://mx.technolutions.net/ping?id=dc58a323-d9b3-ada2-8c5c-fe49f1121e6c&sid=eKvDqkO-IcfAAusBgkpuXsLJyS5HGbNA5c-MarGzcP4fxqE51Dg-2QgYHUJ5TkTZJUEvXvdjUf8xQCTJVGeWeSiLdojKjMKlurBEyXg8y0A&hid=56b3d0f5-fbbc-cf39-b171-39d7ace6d7d3 — 200 — 3.6 KiB — 88 ms — h2https://content.hotjar.io/?site_id=380178&gzip=1content.hotjar.io/?site_id=380178&g... https://content.hotjar.io/?site_id=380178&gzip=1 — 200 — 171 B — 256 ms — h2https://www.facebook.com/tr/?id=2095060143879058&ev=PageView&dl=https%3A%2F%2Fwww.psu.edu%2F&rl=&if=false&ts=1776797619253&sw=800&sh=600&v=2.9.303&r=stable&ec=0&o=4126&fbp=fb.1.1776797619240.474797320495720521&cs_est=true&ler=empty&cdl=API_unavailable&pmd[title]=The%20Pennsylvania%20State%20University&pmd[locale]=en&pmd[description]=Penn%20State%20is%20a%20Pennsylvania-based%2C%20top-ranked%20public%20university%20that%20educates%20students%20worldwide.%20Learn%20more%20about%20Penn%20State%20degree%20programs%20and%20research.&plt=673&it=1776797619042&coo=false&expv2[0]=pl1&expv2[1]=el3&expv2[2]=bc1&expv2[3]=ra2&expv2[4]=rp2&expv2[5]=ct2&expv2[6]=hf0&rqm=GETwww.facebook.com/tr/?id=20950601438... https://www.facebook.com/tr/?id=2095060143879058&ev=PageView&dl=https%3A%2F%2Fwww.psu.edu%2F&rl=&if=false&ts=1776797619253&sw=800&sh=600&v=2.9.303&r=stable&ec=0&o=4126&fbp=fb.1.1776797619240.474797320495720521&cs_est=true&ler=empty&cdl=API_unavailable&pmd[title]=The%20Pennsylvania%20State%20University&pmd[locale]=en&pmd[description]=Penn%20State%20is%20a%20Pennsylvania-based%2C%20top-ranked%20public%20university%20that%20educates%20students%20worldwide.%20Learn%20more%20about%20Penn%20State%20degree%20programs%20and%20research.&plt=673&it=1776797619042&coo=false&expv2[0]=pl1&expv2[1]=el3&expv2[2]=bc1&expv2[3]=ra2&expv2[4]=rp2&expv2[5]=ct2&expv2[6]=hf0&rqm=GET — 200 — 16 B — 71 ms — h3https://www.facebook.com/privacy_sandbox/pixel/register/trigger/?id=2095060143879058&ev=PageView&dl=https%3A%2F%2Fwww.psu.edu%2F&rl=&if=false&ts=1776797619253&sw=800&sh=600&v=2.9.303&r=stable&ec=0&o=4126&fbp=fb.1.1776797619240.474797320495720521&cs_est=true&ler=empty&cdl=API_unavailable&pmd[title]=The%20Pennsylvania%20State%20University&pmd[locale]=en&pmd[description]=Penn%20State%20is%20a%20Pennsylvania-based%2C%20top-ranked%20public%20university%20that%20educates%20students%20worldwide.%20Learn%20more%20about%20Penn%20State%20degree%20programs%20and%20research.&plt=673&it=1776797619042&coo=false&expv2[0]=pl1&expv2[1]=el3&expv2[2]=bc1&expv2[3]=ra2&expv2[4]=rp2&expv2[5]=ct2&expv2[6]=hf0&rqm=FGETwww.facebook.com/privacy_sandbox/pi... https://www.facebook.com/privacy_sandbox/pixel/register/trigger/?id=2095060143879058&ev=PageView&dl=https%3A%2F%2Fwww.psu.edu%2F&rl=&if=false&ts=1776797619253&sw=800&sh=600&v=2.9.303&r=stable&ec=0&o=4126&fbp=fb.1.1776797619240.474797320495720521&cs_est=true&ler=empty&cdl=API_unavailable&pmd[title]=The%20Pennsylvania%20State%20University&pmd[locale]=en&pmd[description]=Penn%20State%20is%20a%20Pennsylvania-based%2C%20top-ranked%20public%20university%20that%20educates%20students%20worldwide.%20Learn%20more%20about%20Penn%20State%20degree%20programs%20and%20research.&plt=673&it=1776797619042&coo=false&expv2[0]=pl1&expv2[1]=el3&expv2[2]=bc1&expv2[3]=ra2&expv2[4]=rp2&expv2[5]=ct2&expv2[6]=hf0&rqm=FGET — 200 — 200 B — 646 ms — h3https://firestore.googleapis.com/google.firestore.v1.Firestore/Listen/channel?gsessionid=gBnbfV9EzZHChWTu5AGFUT8l9w9ngDFQ0ukYkdHWr_za3rOsfspUDA&VER=8&database=projects%2Fnews-b82b1%2Fdatabases%2F(default)&RID=rpc&SID=CJmA-xfyEtHqptx7Hpji8A&AID=0&CI=1&TYPE=xmlhttp&zx=q9ny2r9jtaa0&t=1firestore.googleapis.com/google.fir... https://firestore.googleapis.com/google.firestore.v1.Firestore/Listen/channel?gsessionid=gBnbfV9EzZHChWTu5AGFUT8l9w9ngDFQ0ukYkdHWr_za3rOsfspUDA&VER=8&database=projects%2Fnews-b82b1%2Fdatabases%2F(default)&RID=rpc&SID=CJmA-xfyEtHqptx7Hpji8A&AID=0&CI=1&TYPE=xmlhttp&zx=q9ny2r9jtaa0&t=1 — 200 — 373 B — 724 ms — h3https://www.psu.edu/favicon.icowww.psu.edu/favicon.ico https://www.psu.edu/favicon.ico — 200 — 27.7 KiB — 39 ms — h2https://firestore.googleapis.com/google.firestore.v1.Firestore/Listen/channel?gsessionid=gBnbfV9EzZHChWTu5AGFUT8l9w9ngDFQ0ukYkdHWr_za3rOsfspUDA&VER=8&database=projects%2Fnews-b82b1%2Fdatabases%2F(default)&RID=rpc&SID=CJmA-xfyEtHqptx7Hpji8A&AID=5&CI=1&TYPE=xmlhttp&zx=g7u6w7t69yve&t=1firestore.googleapis.com/google.fir... https://firestore.googleapis.com/google.firestore.v1.Firestore/Listen/channel?gsessionid=gBnbfV9EzZHChWTu5AGFUT8l9w9ngDFQ0ukYkdHWr_za3rOsfspUDA&VER=8&database=projects%2Fnews-b82b1%2Fdatabases%2F(default)&RID=rpc&SID=CJmA-xfyEtHqptx7Hpji8A&AID=5&CI=1&TYPE=xmlhttp&zx=g7u6w7t69yve&t=1 — 200 — 52 B — 150 ms — h3https://firestore.googleapis.com/google.firestore.v1.Firestore/Listen/channel?VER=8&database=projects%2Fnews-b82b1%2Fdatabases%2F(default)&gsessionid=gBnbfV9EzZHChWTu5AGFUT8l9w9ngDFQ0ukYkdHWr_za3rOsfspUDA&SID=CJmA-xfyEtHqptx7Hpji8A&RID=84969&AID=5&zx=6drv9wp28y06&t=1firestore.googleapis.com/google.fir... https://firestore.googleapis.com/google.firestore.v1.Firestore/Listen/channel?VER=8&database=projects%2Fnews-b82b1%2Fdatabases%2F(default)&gsessionid=gBnbfV9EzZHChWTu5AGFUT8l9w9ngDFQ0ukYkdHWr_za3rOsfspUDA&SID=CJmA-xfyEtHqptx7Hpji8A&RID=84969&AID=5&zx=6drv9wp28y06&t=1 — 200 — 49 B — 141 ms — h3https://firestore.googleapis.com/google.firestore.v1.Firestore/Listen/channel?gsessionid=gBnbfV9EzZHChWTu5AGFUT8l9w9ngDFQ0ukYkdHWr_za3rOsfspUDA&VER=8&database=projects%2Fnews-b82b1%2Fdatabases%2F(default)&RID=rpc&SID=CJmA-xfyEtHqptx7Hpji8A&AID=7&CI=1&TYPE=xmlhttp&zx=gz7at2liqldh&t=1firestore.googleapis.com/google.fir... https://firestore.googleapis.com/google.firestore.v1.Firestore/Listen/channel?gsessionid=gBnbfV9EzZHChWTu5AGFUT8l9w9ngDFQ0ukYkdHWr_za3rOsfspUDA&VER=8&database=projects%2Fnews-b82b1%2Fdatabases%2F(default)&RID=rpc&SID=CJmA-xfyEtHqptx7Hpji8A&AID=7&CI=1&TYPE=xmlhttp&zx=gz7at2liqldh&t=1 — 200 — 52 B — 29.9 s — h3https://firestore.googleapis.com/google.firestore.v1.Firestore/Listen/channel?gsessionid=gBnbfV9EzZHChWTu5AGFUT8l9w9ngDFQ0ukYkdHWr_za3rOsfspUDA&VER=8&database=projects%2Fnews-b82b1%2Fdatabases%2F(default)&RID=rpc&SID=CJmA-xfyEtHqptx7Hpji8A&AID=9&CI=1&TYPE=xmlhttp&zx=whk3vi9kgj9k&t=1firestore.googleapis.com/google.fir... https://firestore.googleapis.com/google.firestore.v1.Firestore/Listen/channel?gsessionid=gBnbfV9EzZHChWTu5AGFUT8l9w9ngDFQ0ukYkdHWr_za3rOsfspUDA&VER=8&database=projects%2Fnews-b82b1%2Fdatabases%2F(default)&RID=rpc&SID=CJmA-xfyEtHqptx7Hpji8A&AID=9&CI=1&TYPE=xmlhttp&zx=whk3vi9kgj9k&t=1 — 200 — 53 B — 140 ms — h3
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-party 1130ms · 682KB · $13/mo
Unattributable
Other
Costly
Execution 252ms
Transfer 0 KB
Monthly Cost $3/mo
Hotjar
Session Replay
Costly
Execution 222ms
Transfer 57 KB
Unused 47%
Monthly Cost $3/mo
www.psu.edu
Other
Optional
Execution 154ms
Transfer 33 KB
Monthly Cost $2/mo
www.psu.edu
Other
Optional
Execution 144ms
Transfer 39 KB
Monthly Cost $2/mo
Google Tag Manager
Tag Manager
Optional
Execution 92ms
Transfer 168 KB
Unused 36%
Monthly Cost $1/mo
Google Tag Manager
Tag Manager
Optional
Execution 81ms
Transfer 177 KB
Unused 38%
Monthly Cost $1/mo
www.psu.edu
Other
Optional
Execution 70ms
Transfer 16 KB
Monthly Cost $1/mo
www.psu.edu
Other
Optional
Execution 63ms
Transfer 54 KB
Monthly Cost $1/mo
Google Tag Manager
Tag Manager
Optional
Execution 51ms
Transfer 137 KB
Unused 45%
Monthly Cost $1/mo

These scripts may cost more than they're worth

  • Unattributable adds 252ms and costs ~$3/month
  • Hotjar 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

Unattributable takes 252ms 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

Hotjar 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

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.

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