rkblog.dev

https://rkblog.dev/

Ranks Overall #214 Built Awesome #177

Data from Sep 6, 2026, 10:20 AM UTC 31h old Measured once a week · 3 runs since Aug 21, 2026

Test elsewhere: PageSpeed Insights · Calibre · Treo · CrUX Vis

Stack

Built with Eleventy

Hosted by Cloudflare

Core Web Vitals field data, origin-level

Real Chrome users, 28-day window (2026-08-08 → 2026-09-04).

LCP 916 ms good

INP — no data

CLS 0 good

Lighthouse Scores

Performance

↓ -1 (-1%)

100

Accessibility

no change

100

Best Practices

no change

100

SEO

no change

Lab metrics Lighthouse, mobile

Metric	Current	Previous	Change	Best	Worst
LCP Largest Contentful Paint	1.54 s	1.52 s	↑ +13 ms (+0.9%)	1.52 s	1.61 s
CLS Cumulative Layout Shift	0	0	→ no change	0	0
TBT Total Blocking Time	89 ms	55 ms	↑ +34 ms (+61.8%) significant	55 ms	89 ms
FCP First Contentful Paint	1.54 s	1.52 s	↑ +13 ms (+0.9%)	1.52 s	1.54 s
Speed Index	1.54 s	1.52 s	↑ +13 ms (+0.9%)	1.52 s	1.54 s
TTFB Time to First Byte	469 ms	614 ms	↓ -145 ms (-23.6%) significant	469 ms	614 ms

Metric

Current

Change

Best

Worst

Trend

LCP Largest Contentful Paint

1.54 s

1.52 s

↑ +13 ms (+0.9%)

1.52 s

1.61 s

CLS Cumulative Layout Shift

→ no change

TBT Total Blocking Time

89 ms

55 ms

↑ +34 ms (+61.8%) significant

55 ms

89 ms

FCP First Contentful Paint

1.54 s

1.52 s

↑ +13 ms (+0.9%)

1.52 s

1.54 s

Speed Index

1.54 s

1.52 s

↑ +13 ms (+0.9%)

1.52 s

1.54 s

TTFB Time to First Byte

469 ms

614 ms

↓ -145 ms (-23.6%) significant

469 ms

614 ms

LCP Subparts lab observed, unthrottled

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

element render delay 53 ms

time to first byte 16 ms

Field data Chrome UX Report, origin-level

Real Chrome users, 28-day trailing window (2026-08-08 → 2026-09-04).

Metric	p75	Rating	Distribution (good / needs work / poor)
LCP CWV	916 ms	good	97.1% good
CLS CWV	0	good	93.9% good
FCP	902 ms	good	93.5% good
TTFB	677 ms	good	81.8% good

Metric

p75

Rating

Distribution (good / needs work / poor)

LCP CWV

916 ms

good

97.1% good

CLS CWV

good

93.9% good

FCP

902 ms

good

93.5% good

TTFB

677 ms

good

81.8% good

Lab LCP vs Field LCP

Lab 1.54 s

Field p75 916 ms

The lab LCP is 1.68× the field p75 — real users likely have above-average hardware or network connectivity.

Field history 25 weeks

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

Week ending	LCP	INP	FCP	TTFB
2026-08-29	903 ms	—	885 ms	596 ms
2026-08-22	914 ms	—	874 ms	539 ms
2026-08-15	918 ms	—	914 ms	535 ms
2026-08-08	936 ms	—	933 ms	527 ms
2026-08-01	877 ms	—	874 ms	515 ms
2026-07-25	933 ms	—	904 ms	517 ms
2026-07-18	937 ms	—	873 ms	536 ms
2026-07-11	1.02 s	—	1.01 s	668 ms
2026-07-04	1.00 s	—	946 ms	649 ms
2026-06-27	1.01 s	—	946 ms	649 ms
2026-06-20	999 ms	—	906 ms	620 ms
2026-06-13	753 ms	—	719 ms	471 ms

Page weight

Metric	Current	Previous	Change	Best	Worst
Page Weight	190 kB	187 kB	↑ +3.4 kB (+1.9%)	187 kB	190 kB
Requests	8	8	→ no change	8	8
Third-party Weight	184 kB	181 kB	↑ +3.1 kB (+1.8%)	181 kB	184 kB
Third-party CPU	53 ms	56 ms	↓ -4 ms (-6.4%) significant	53 ms	57 ms
Unused JS	75.5 kB	75.6 kB	↓ -107 B (-0.1%)	73.8 kB	75.6 kB
Unused CSS	0 B	0 B	→ no change	0 B	0 B

Metric

Current

Change

Best

Worst

Trend

Page Weight

190 kB

187 kB

↑ +3.4 kB (+1.9%)

187 kB

190 kB

Requests

→ no change

Third-party Weight

184 kB

181 kB

↑ +3.1 kB (+1.8%)

181 kB

184 kB

Third-party CPU

53 ms

56 ms

↓ -4 ms (-6.4%) significant

53 ms

57 ms

Unused JS

75.5 kB

75.6 kB

↓ -107 B (-0.1%)

73.8 kB

75.6 kB

Unused CSS

0 B

→ no change

0 B

By resource type

script

script 97.3% 184 kB · 2 req
document 2% 3.9 kB · 1 req
image 0.4% 770 B · 1 req
other 0.2% 436 B · 1 req

Third parties 2 entities

184 kB transferred, 53 ms on the main thread.

Google Tag Manager script 174 kB · 49 ms CPU

Cloudflare 10.2 kB · 4 ms CPU

Page health

Metric	Current	Previous	Change	Best	Worst
Main Thread Work	372 ms	390 ms	↓ -18 ms (-4.7%)	372 ms	409 ms
Long Tasks	2	2	→ no change	2	2
DOM Elements	115	115	→ no change	115	115
Axe Violations Violating nodes from a full Axe CLI run (more than Lighthouse reports)	0	0	→ no change	0	0
A11y Failures	0	0	→ no change	0	0
A11y Failing Nodes	0	0	→ no change	0	0

Main thread work

script evaluation 208 ms

other 92 ms

script parse compile 39 ms

style layout 23 ms

parse HTML 5 ms

paint composite render 5 ms

Axe violations axe-core 4.13.0, full rule set

0 violating nodes across 0 rules, 155 passing. This is a standalone Axe CLI run and is stricter than the subset Lighthouse already includes.

Hygiene

HTTPS HSTS CSP Clickjacking protection Origin isolation Trusted Types bfcache h3

Measurement log

Every stored run for this URL, newest first.

When	Perf	LCP	TBT	Weight	Runs	Spread	Bench	Took
Sep 6, 2026, 10:20 AM UTC	99	1.54 s	89 ms	190 kB	3/3	±1	2,603 +5%	22.4s
Aug 30, 2026, 1:14 AM UTC	100	1.52 s	55 ms	187 kB	3/3	±1	2,461 -1%	21.5s
Aug 21, 2026, 5:40 AM UTC	99	1.61 s	55 ms	187 kB	3/3	±1	2,353 -5%	21.3s

When

Scores

Perf

LCP

CLS

TBT

Weight

Runs

Spread

Bench

Took

Sep 6, 2026, 10:20 AM UTC

1.54 s

89 ms

190 kB

3/3

±1

2,603 +5%

22.4s

Aug 30, 2026, 1:14 AM UTC

100

1.52 s

55 ms

187 kB

3/3

±1

2,461 -1%

21.5s

Aug 21, 2026, 5:40 AM UTC

1.61 s

55 ms

187 kB

3/3

±1

2,353 -5%

21.3s

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