css-tip.com

Ranks Overall #994 Built Awesome #714

Data from Oct 3, 2026, 7:38 AM UTC 5d old Measured once a week · 7 runs since Aug 20, 2026

Elsewhere: PageSpeed Insights · Calibre · Treo · CrUX Vis · Tame the Bots · 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

↓ -2 (-2%)

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 (2026-09-04 → 2026-10-01), origin-level.

Metric	Lab Simulated	Field
LCP CWV Largest Contentful Paint	2.40 s good	↓ -6 ms (-0.2%) 1.97 s – 2.41 s	1.19 s good	92.6% 4.8% 2.6%
INP CWV Interaction to Next Paint — field only, no lab run can measure it	n/a	—	112 ms good	91.7% 8.3% 0%
CLS CWV Cumulative Layout Shift	0 good	→ no change 0 – 0	0 good	96.5% 1.7% 1.8%
TBT Total Blocking Time	160 ms good	↑ +108 ms (+207.7%) significant 45 ms – 160 ms	n/a	—
FCP First Contentful Paint	789 ms good	↓ -10 ms (-1.3%) 786 ms – 800 ms	1.15 s good	87.2% 7% 5.8%
Speed Index	789 ms good	↓ -10 ms (-1.3%) 786 ms – 800 ms	n/a	—
TTFB Time to First Byte	603 ms good	↓ -6 ms (-1%) 603 ms – 622 ms	824 ms needs work	73.9% 17.5% 8.6%

Metric

Lab Simulated

Field

Value

Change / range

Trend

p75

Distribution

LCP CWV Largest Contentful Paint

2.40 s good

↓ -6 ms (-0.2%) 1.97 s – 2.41 s

1.19 s good

92.6% 4.8% 2.6%

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

n/a

—

112 ms good

91.7% 8.3% 0%

CLS CWV Cumulative Layout Shift

0 good

→ no change 0 – 0

0 good

96.5% 1.7% 1.8%

TBT Total Blocking Time

160 ms good

↑ +108 ms (+207.7%) significant 45 ms – 160 ms

n/a

—

FCP First Contentful Paint

789 ms good

↓ -10 ms (-1.3%) 786 ms – 800 ms

1.15 s good

87.2% 7% 5.8%

Speed Index

789 ms good

↓ -10 ms (-1.3%) 786 ms – 800 ms

n/a

—

TTFB Time to First Byte

603 ms good

↓ -6 ms (-1%) 603 ms – 622 ms

824 ms needs work

73.9% 17.5% 8.6%

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 52 ms

time to first byte 6 ms

LCP LAB Simulated vs LCP FIELD

Lab 2.40 s

Field p75 1.19 s

The lab LCP is 2.03× the field p75 — real users likely have above-average hardware or network connectivity.

Page weight

Metric	Value	Change / range
Page Weight	427 kB	↓ -13.3 kB (-3.1%) 420 kB – 466 kB
Requests	18	→ no change 18 – 18
Third-party Weight	230 kB	↓ -18.9 kB (-7.8%) 228 kB – 275 kB
Third-party CPU	60 ms	↓ -1 ms (-1.1%) 57 ms – 61 ms
Unused JS	74.9 kB	↑ +671 B (+0.9%) 71.0 kB – 74.9 kB
Unused CSS	0 B	→ no change 0 B – 0 B

Metric

Value

Change / range

Trend

Page Weight

427 kB

↓ -13.3 kB (-3.1%) 420 kB – 466 kB

Requests

→ no change 18 – 18

Third-party Weight

230 kB

↓ -18.9 kB (-7.8%) 228 kB – 275 kB

Third-party CPU

60 ms

↓ -1 ms (-1.1%) 57 ms – 61 ms

Unused JS

74.9 kB

↑ +671 B (+0.9%) 71.0 kB – 74.9 kB

Unused CSS

0 B

→ no change 0 B – 0 B

By resource type

Type	Share	Size	Requests
image	48.5%	207 kB	9
script	46.2%	197 kB	3
other	3.7%	15.6 kB	5
document	1.7%	7.2 kB	1
Total		427 kB	18

Third parties 5 entities

Entity	Transfer	Size	Main thread Simulated
Google Tag Manager	script	169 kB	52 ms
Carbon Ads	image	42.7 kB	4 ms
servedby-buysellads.com		17.3 kB	4 ms
BuySellAds		599 B	0 ms
Google/Doubleclick Ads		67 B	0 ms
Total		230 kB	60 ms

Entity

Transfer

Size

Main thread Simulated

Google Tag Manager

script

169 kB

52 ms

Carbon Ads

image

42.7 kB

4 ms

servedby-buysellads.com

17.3 kB

4 ms

BuySellAds

599 B

0 ms

Google/Doubleclick Ads

67 B

0 ms

Total

230 kB

60 ms

Page health

Metric	Value	Change / range
Main Thread Work	951 ms	↑ +144 ms (+17.8%) significant 643 ms – 951 ms
Long Tasks	3	↑ +1 (+50%) significant 2 – 3
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

951 ms

↑ +144 ms (+17.8%) significant 643 ms – 951 ms

Long Tasks

↑ +1 (+50%) significant 2 – 3

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
paint composite render	38%	357 ms
script evaluation	21%	204 ms
other	19%	180 ms
style layout	14%	133 ms
script parse compile	7%	66 ms
parse HTML	1%	11 ms
Total		951 ms

Task

Time

Duration Simulated

paint composite render

38%

357 ms

script evaluation

21%

204 ms

other

19%

180 ms

style layout

14%

133 ms

script parse compile

66 ms

parse HTML

11 ms

Total

951 ms

Axe violations axe-core 4.13.0, full rule set

1 violating node across 1 rule, 256 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

Offending element

.vuejs > a[rel="noopener"][target="_blank"]

<a rel="noopener" href="https://certificates.dev/vuejs?utm_source=CSSTIP&amp;utm_medium=website&amp;utm_campaign=affiliate&amp;friend=CSSTIP" target="_blank">Get Vue.js Certified</a>

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 1 item
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
2026-09-26	1.22 s	110 ms	1.16 s	852 ms
2026-09-19	1.22 s	156 ms	1.17 s	824 ms
2026-09-12	940 ms	100 ms	928 ms	598 ms
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

Week ending

LCP

INP

CLS

FCP

TTFB

2026-09-26

1.22 s

110 ms

1.16 s

852 ms

2026-09-19

1.22 s

156 ms

1.17 s

824 ms

2026-09-12

940 ms

100 ms

928 ms

598 ms

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

Runs

Every stored run for this URL, newest first.

When	Perf	LCP	TBT	Weight	Runs	Spread	Bench	Took	Archive
Oct 3, 2026, 7:38 AM UTC	96	2.40 s	160 ms	427 kB	3/3	±5	2,343 -6%	28.4s	Wayback
Sep 26, 2026, 12:00 AM UTC	98	2.41 s	52 ms	440 kB	3/3	±2	2,419 -3%	26.4s	Wayback
Sep 18, 2026, 11:03 PM UTC	99	1.97 s	47 ms	466 kB	3/3	±2	2,653 +7%	27.3s	Wayback
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 -6%	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