css-tip.com

Ranks Overall #912 Built Awesome #714

Data from Sep 11, 2026, 8:32 PM UTC 3d old Measured once a week · 4 runs since Aug 20, 2026

Elsewhere: PageSpeed Insights · Calibre · Treo · CrUX Vis · Scoring Calculator · Wayback Machine

Lab data is measured using Lighthouse, Mobile mode unless otherwise specified. Field data is reported from Chrome UX Report (using p75 measurements).

Stack

Built with Eleventy 3.0.0

Hosted by GitHub Pages

Lighthouse Scores LAB Simulated

Performance

no change

Accessibility

no change

Best Practices

no change

100

SEO

no change

Metrics LAB FIELD

Core Web Vitals: passing 3 of 3 assessed from real Chrome users.

Field figures are the p75 across real Chrome users over a 28-day trailing window (2026-08-13 → 2026-09-09), origin-level.

Metric	Lab Simulated	Field
LCP CWV Largest Contentful Paint	2.40 s good	→ no change 2.40 s – 2.41 s	938 ms good	96.6% 2.4% 1.1%
INP CWV Interaction to Next Paint — field only, no lab run can measure it	n/a	—	96 ms good	91.2% 8.8% 0%
CLS CWV Cumulative Layout Shift	0 good	→ no change 0 – 0	0 good	96.4% 1.8% 1.8%
TBT Total Blocking Time	45 ms good	↓ -2 ms (-4.3%) 45 ms – 52 ms	n/a	—
FCP First Contentful Paint	788 ms good	↓ -4 ms (-0.5%) 786 ms – 792 ms	918 ms good	93.5% 3.4% 3%
Speed Index	788 ms good	↓ -4 ms (-0.5%) 786 ms – 792 ms	n/a	—
TTFB Time to First Byte	605 ms good	→ no change 605 ms – 611 ms	598 ms good	83.5% 12.9% 3.7%

Metric

Lab Simulated

Field

Value

Change / range

Trend

p75

Distribution

LCP CWV Largest Contentful Paint

2.40 s good

→ no change 2.40 s – 2.41 s

938 ms good

96.6% 2.4% 1.1%

INP CWV Interaction to Next Paint — field only, no lab run can measure it

n/a

—

96 ms good

91.2% 8.8% 0%

CLS CWV Cumulative Layout Shift

0 good

→ no change 0 – 0

0 good

96.4% 1.8% 1.8%

TBT Total Blocking Time

45 ms good

↓ -2 ms (-4.3%) 45 ms – 52 ms

n/a

—

FCP First Contentful Paint

788 ms good

↓ -4 ms (-0.5%) 786 ms – 792 ms

918 ms good

93.5% 3.4% 3%

Speed Index

788 ms good

↓ -4 ms (-0.5%) 786 ms – 792 ms

n/a

—

TTFB Time to First Byte

605 ms good

→ no change 605 ms – 611 ms

598 ms good

83.5% 12.9% 3.7%

LCP Subparts LAB Unthrottled

The subparts attribute LCP to your server, resource discovery, download, or rendering. Note that the Lab LCP shown above is a simulated throttled estimate.

element render delay 55 ms

time to first byte 6 ms

LCP LAB Simulated vs LCP FIELD

Lab 2.40 s

Field p75 938 ms

The lab LCP is 2.56× the field p75 — real users likely have above-average hardware or network connectivity.

Page weight

Metric	Value	Change / range
Page Weight	428 kB	↑ +1.1 kB (+0.3%) 420 kB – 461 kB
Requests	18	→ no change 18 – 18
Third-party Weight	231 kB	↑ +1.2 kB (+0.5%) 228 kB – 270 kB
Third-party CPU	57 ms	↑ +1 ms (+1.6%) 57 ms – 60 ms
Unused JS	73.6 kB	↑ +348 B (+0.5%) 71.0 kB – 73.6 kB
Unused CSS	0 B	→ no change 0 B – 0 B

Metric

Value

Change / range

Trend

Page Weight

428 kB

↑ +1.1 kB (+0.3%) 420 kB – 461 kB

Requests

→ no change 18 – 18

Third-party Weight

231 kB

↑ +1.2 kB (+0.5%) 228 kB – 270 kB

Third-party CPU

57 ms

↑ +1 ms (+1.6%) 57 ms – 60 ms

Unused JS

73.6 kB

↑ +348 B (+0.5%) 71.0 kB – 73.6 kB

Unused CSS

0 B

→ no change 0 B – 0 B

By resource type

Type	Share	Size	Requests
image	49.4%	212 kB	9
script	45.3%	194 kB	3
other	3.6%	15.6 kB	5
document	1.7%	7.2 kB	1
Total		428 kB	18

Third parties 5 entities

Entity	Transfer	Size	Main thread Simulated
Google Tag Manager	script	166 kB	49 ms
Carbon Ads	image	47.6 kB	6 ms
servedby-buysellads.com		17.4 kB	3 ms
BuySellAds		599 B	0 ms
Google/Doubleclick Ads		69 B	0 ms
Total		231 kB	57 ms

Entity

Transfer

Size

Main thread Simulated

Google Tag Manager

script

166 kB

49 ms

Carbon Ads

image

47.6 kB

6 ms

servedby-buysellads.com

17.4 kB

3 ms

BuySellAds

599 B

0 ms

Google/Doubleclick Ads

69 B

0 ms

Total

231 kB

57 ms

Page health

Metric	Value	Change / range
Main Thread Work	701 ms	↑ +58 ms (+9%) 643 ms – 735 ms
Long Tasks	2	→ no change 2 – 2
DOM Elements	163	→ no change 163 – 163
Axe Violations Violating nodes from a full Axe CLI run (more than Lighthouse reports)	1	→ no change 1 – 2
A11y Failures	1	→ no change 1 – 1
A11y Failing Nodes	1	→ no change 1 – 1

Metric

Value

Change / range

Trend

Main Thread Work

701 ms

↑ +58 ms (+9%) 643 ms – 735 ms

Long Tasks

→ no change 2 – 2

DOM Elements

163

→ no change 163 – 163

Axe Violations Violating nodes from a full Axe CLI run (more than Lighthouse reports)

→ no change 1 – 2

A11y Failures

→ no change 1 – 1

A11y Failing Nodes

→ no change 1 – 1

Main thread work

Task	Share	Duration Simulated
other	30%	211 ms
script evaluation	29%	204 ms
style layout	20%	137 ms
paint composite render	11%	80 ms
script parse compile	8%	57 ms
parse HTML	2%	11 ms
Total		701 ms

Task

Time

Duration Simulated

other

30%

211 ms

script evaluation

29%

204 ms

style layout

20%

137 ms

paint composite render

11%

80 ms

script parse compile

57 ms

parse HTML

11 ms

Total

701 ms

Axe violations axe-core 4.13.0, full rule set

1 violating node across 1 rule, 286 passing. This is a standalone Axe CLI run and is stricter than the subset Lighthouse already includes.

serious color-contrast — Elements must meet minimum color contrast ratio thresholds 1 node

Accessibility failures 1 of 21 audits

color-contrast — Background and foreground colors do not have a sufficient contrast ratio. 1 node

Best Practices failures 2 of 19 audits

third-party-cookies — Uses third-party cookies 2 items
inspector-issues — Issues were logged in the `Issues` panel in Chrome Devtools 1 item

Hygiene

HTTPS HSTS CSP Clickjacking protection Origin isolation Trusted Types bfcache h2

Measurement log

Field history 25 weeks

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

Week ending	LCP	INP	FCP	TTFB
2026-09-05	918 ms	98 ms	880 ms	564 ms
2026-08-29	932 ms	96 ms	925 ms	596 ms
2026-08-22	935 ms	87 ms	920 ms	629 ms
2026-08-15	1.07 s	92 ms	1.06 s	723 ms
2026-08-08	1.19 s	92 ms	1.14 s	807 ms
2026-08-01	1.34 s	96 ms	1.30 s	908 ms
2026-07-25	1.25 s	94 ms	1.20 s	908 ms
2026-07-18	1.33 s	97 ms	1.29 s	998 ms
2026-07-11	1.25 s	95 ms	1.22 s	906 ms
2026-07-04	1.29 s	95 ms	1.28 s	941 ms
2026-06-27	1.62 s	99 ms	1.61 s	1.27 s
2026-06-20	1.41 s	95 ms	1.41 s	1.03 s

Week ending

LCP

INP

CLS

FCP

TTFB

2026-09-05

918 ms

98 ms

880 ms

564 ms

2026-08-29

932 ms

96 ms

925 ms

596 ms

2026-08-22

935 ms

87 ms

920 ms

629 ms

2026-08-15

1.07 s

92 ms

1.06 s

723 ms

2026-08-08

1.19 s

92 ms

1.14 s

807 ms

2026-08-01

1.34 s

96 ms

1.30 s

908 ms

2026-07-25

1.25 s

94 ms

1.20 s

908 ms

2026-07-18

1.33 s

97 ms

1.29 s

998 ms

2026-07-11

1.25 s

95 ms

1.22 s

906 ms

2026-07-04

1.29 s

95 ms

1.28 s

941 ms

2026-06-27

1.62 s

99 ms

1.61 s

1.27 s

2026-06-20

1.41 s

95 ms

1.41 s

1.03 s

Runs

Every stored run for this URL, newest first.

When	Perf	LCP	TBT	Weight	Runs	Spread	Bench	Took	Archive
Sep 11, 2026, 8:32 PM UTC	98	2.40 s	45 ms	428 kB	3/3	±2	2,575 +4%	25.2s	Wayback
Sep 4, 2026, 6:09 PM UTC	98	2.40 s	47 ms	427 kB	3/3	±1	2,345 -6%	24.9s	Wayback
Aug 28, 2026, 5:53 PM UTC	98	2.41 s	52 ms	420 kB	3/3	±2	2,364 -5%	24.2s	Wayback
Aug 20, 2026, 8:28 PM UTC	98	2.41 s	48 ms	461 kB	3/3	±2	2,348 -5%	25.5s	Wayback

When

Scores

Perf

LCP

CLS

TBT

Weight

Runs

Spread

Bench

Took

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Stack

Lighthouse Scores LAB 🤖 Simulated

Metrics LAB FIELD

LCP Subparts LAB 🐇 Unthrottled

LCP LAB 🤖 Simulated vs LCP FIELD

Page weight

By resource type

Third parties 5 entities

Page health

Main thread work

Axe violations axe-core 4.13.0, full rule set

Accessibility failures 1 of 21 audits

Best Practices failures 2 of 19 audits

Hygiene

Measurement log

Field history 25 weeks

Runs

Embed this score

Lighthouse Scores LAB Simulated

LCP Subparts LAB Unthrottled

LCP LAB Simulated vs LCP FIELD