wisc.edu

https://www.wisc.edu/

Data from Aug 21, 2026, 2:42 PM UTC — 4h old.

Built Awesome · 1 measurement · since Aug 21, 2026 · last attempt 4h

Stack

Detected on the same page load as the accessibility pass — the generator from <meta name="generator"> or the shape of the page, the host from response headers.

Hosted by Amazon S3

Core Web Vitals field data, url-level

Real Chrome users, 28-day window (2026-07-23 → 2026-08-19). This is what Google measures you on.

LCP 1.33 s good

INP 117 ms good

CLS 0.050 good

Scores

Performance

no change

100

Accessibility

no change

Best Practices

no change

100

SEO

no change

Lab metrics Lighthouse, mobile

Metric	Current	Previous	Change	Best	Worst
LCP Largest Contentful Paint	10.13 s	—	—	10.13 s	10.13 s
CLS Cumulative Layout Shift	0	—	—	0	0
TBT Total Blocking Time	240 ms	—	—	240 ms	240 ms
FCP First Contentful Paint	2.41 s	—	—	2.41 s	2.41 s
Speed Index	2.42 s	—	—	2.42 s	2.42 s
TTFB Time to First Byte	607 ms	—	—	607 ms	607 ms

What LCP is made of

A flat LCP number tells you something regressed. The subparts tell you whether it was the server, resource discovery, the download, or rendering.

time to first byte 148 ms

element render delay 94 ms

resource load duration 13 ms

resource load delay 10 ms

Field data Chrome UX Report, url-level

Real Chrome users, 28-day trailing window (2026-07-23 → 2026-08-19). This is what Google measures you on.

Metric	p75	Rating	Distribution (good / needs work / poor)
LCP CWV	1.33 s	good	91.2% good
INP CWV Interaction to Next Paint — field only, Lighthouse cannot measure this in a lab run	117 ms	good	92.3% good
CLS CWV	0.050	good	77% good
FCP	1.25 s	good	86.9% good
TTFB	818 ms	needs-improvement	74.7% good

Metric

p75

Rating

Distribution (good / needs work / poor)

LCP CWV

1.33 s

good

91.2% good

INP CWV Interaction to Next Paint — field only, Lighthouse cannot measure this in a lab run

117 ms

good

92.3% good

CLS CWV

0.050

good

77% good

FCP

1.25 s

good

86.9% good

TTFB

818 ms

needs-improvement

74.7% good

Lab vs field

Lab LCP 10.13 s · field p75 1.33 s · real users are 0.13× faster than the lab.

Field history 25 weeks

Weekly p75 from the CrUX History API, backfilled in a single request.

Week ending	LCP	INP	CLS	FCP	TTFB
2026-08-15	1.33 s	117 ms	0.200	1.24 s	816 ms
2026-08-08	1.35 s	118 ms	0.210	1.26 s	851 ms
2026-08-01	1.39 s	119 ms	0.210	1.30 s	901 ms
2026-07-25	1.39 s	120 ms	0.210	1.29 s	897 ms
2026-07-18	1.41 s	118 ms	0.200	1.32 s	932 ms
2026-07-11	1.42 s	119 ms	0	1.33 s	941 ms
2026-07-04	1.43 s	119 ms	0	1.35 s	948 ms
2026-06-27	1.47 s	118 ms	0	1.38 s	989 ms
2026-06-20	1.47 s	120 ms	0	1.38 s	970 ms
2026-06-13	1.44 s	117 ms	0	1.36 s	935 ms
2026-06-06	1.39 s	114 ms	0	1.30 s	877 ms
2026-05-30	1.32 s	113 ms	0	1.24 s	814 ms

Week ending

LCP

INP

CLS

FCP

TTFB

2026-08-15

1.33 s

117 ms

0.200

1.24 s

816 ms

2026-08-08

1.35 s

118 ms

0.210

1.26 s

851 ms

2026-08-01

1.39 s

119 ms

0.210

1.30 s

901 ms

2026-07-25

1.39 s

120 ms

0.210

1.29 s

897 ms

2026-07-18

1.41 s

118 ms

0.200

1.32 s

932 ms

2026-07-11

1.42 s

119 ms

1.33 s

941 ms

2026-07-04

1.43 s

119 ms

1.35 s

948 ms

2026-06-27

1.47 s

118 ms

1.38 s

989 ms

2026-06-20

1.47 s

120 ms

1.38 s

970 ms

2026-06-13

1.44 s

117 ms

1.36 s

935 ms

2026-06-06

1.39 s

114 ms

1.30 s

877 ms

2026-05-30

1.32 s

113 ms

1.24 s

814 ms

Page weight

Metric	Current	Previous	Change	Best	Worst
Page Weight	4.39 MB	—	—	4.39 MB	4.39 MB
Requests	37	—	—	37	37
Third-party Weight	720.3 kB	—	—	720.3 kB	720.3 kB
Third-party CPU	173 ms	—	—	173 ms	173 ms
Unused JS	270.8 kB	—	—	270.8 kB	270.8 kB
Unused CSS	17.2 kB	—	—	17.2 kB	17.2 kB

By resource type

image 3.61 MB · 16 req

script 602.2 kB · 8 req

font 124.4 kB · 5 req

stylesheet 25.5 kB · 4 req

document 23.9 kB · 1 req

other 602 B · 2 req

third party 720.3 kB · 14 req

Third parties 4 entities

720.3 kB transferred, 173 ms of main thread time. This is the number most likely to regress without anyone on your team shipping anything.

Google Tag Manager 584.6 kB · 171 ms CPU

wisc.cloud 128.7 kB · 1 ms CPU

Oracle 7.0 kB · 1 ms CPU

Google Analytics 48 B · 0 ms CPU

Page health

Metric	Current	Previous	Change	Best	Worst
Main Thread Work	1.55 s	—	—	1.55 s	1.55 s
Long Tasks	7	—	—	7	7
DOM Elements	565	—	—	565	565
Axe Violations Violating nodes from a full axe run — stricter than Lighthouse's subset	2	—	—	2	2
A11y Failures	0	—	—	0	0
A11y Failing Nodes	0	—	—	0	0

Main thread work

script evaluation 606 ms

other 490 ms

style layout 233 ms

script parse compile 142 ms

paint composite render 35 ms

parse HTML 27 ms

garbage collection 22 ms

Axe violations axe-core 4.13.0, full rule set

2 violating nodes across 2 rules, 852 passing. This is a standalone axe run, stricter than the subset Lighthouse folds into its score above — and it is the second tiebreaker in the ranking.

serious color-contrast — Elements must meet minimum color contrast ratio thresholds 1 node
moderate region — All page content should be contained by landmarks 1 node

Hygiene

Changes rarely — which is exactly why a change is worth noticing.

HTTPS HSTS CSP Clickjacking protection Origin isolation Trusted Types bfcache h2

Measurement log

Every stored run for this URL, newest first. Failures are kept as records — "this site was down on Tuesday" is data too.

When	Perf	LCP	CLS	TBT	Weight	Runs	Spread	Bench	Took
Aug 21, 2026, 2:42 PM UTC	67	10.13 s	0	240 ms	4.39 MB	3/3	±6	2,452	28.2s

When

Perf

LCP

CLS

TBT

Weight

Runs

Spread

Bench

Took

Aug 21, 2026, 2:42 PM UTC

10.13 s

240 ms

4.39 MB

3/3

±6

2,452

28.2s

Embed this score

Live below, then the markup that produces it. Drop that on any page to show wisc.edu's scores, updated whenever this instance re-measures — more about the component. Don’t forget to bundle the speedlify-score.js component code into your site!

<speedlify-score speedlify-url="https://zachleat.github.io/speedlify2/" url="https://www.wisc.edu/"></speedlify-score>