simpleerb.com

https://www.simpleerb.com/

Ranks Overall #1,108 Built Awesome #771

Data from Oct 6, 2026, 6:59 PM UTC 38h old Measured once a week · 9 runs since Aug 21, 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 2.0.1

Uses Alpine.js 3.10.0

Hosted by Netlify

Lighthouse Scores LAB Simulated

Performance

↓ -1 (-1.3%)

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 (2026-09-07 → 2026-10-04), url-level.

Metric	Lab Simulated	Field
LCP CWV Largest Contentful Paint	4.65 s poor	↓ -11 ms (-0.2%) 1.20 s – 5.92 s	891 ms good	94.7% 2.8% 2.6%
INP CWV Interaction to Next Paint — field only, no lab run can measure it	n/a	—	119 ms good site-wide	91.2% 8.8% 0%
CLS CWV Cumulative Layout Shift	0 good	→ no change 0 – 0	0 good	100% 0% 0%
TBT Total Blocking Time	388 ms needs work	↑ +17 ms (+4.6%) 165 ms – 396 ms	n/a	—
FCP First Contentful Paint	991 ms good	↑ +13 ms (+1.3%) 935 ms – 995 ms	868 ms good	93.6% 2.3% 4.2%
Speed Index	991 ms good	↑ +13 ms (+1.3%) 935 ms – 995 ms	n/a	—
TTFB Time to First Byte	604 ms good	↓ -2 ms (-0.3%) 604 ms – 630 ms	473 ms good	88.5% 7.7% 3.8%

Metric

Lab Simulated

Field

Value

Change / range

Trend

p75

Distribution

LCP CWV Largest Contentful Paint

4.65 s poor

↓ -11 ms (-0.2%) 1.20 s – 5.92 s

891 ms good

94.7% 2.8% 2.6%

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

n/a

—

119 ms good site-wide

91.2% 8.8% 0%

CLS CWV Cumulative Layout Shift

0 good

→ no change 0 – 0

0 good

100% 0% 0%

TBT Total Blocking Time

388 ms needs work

↑ +17 ms (+4.6%) 165 ms – 396 ms

n/a

—

FCP First Contentful Paint

991 ms good

↑ +13 ms (+1.3%) 935 ms – 995 ms

868 ms good

93.6% 2.3% 4.2%

Speed Index

991 ms good

↑ +13 ms (+1.3%) 935 ms – 995 ms

n/a

—

TTFB Time to First Byte

604 ms good

↓ -2 ms (-0.3%) 604 ms – 630 ms

473 ms good

88.5% 7.7% 3.8%

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 66 ms

resource load duration 20 ms

resource load delay 13 ms

time to first byte 5 ms

LCP LAB Simulated vs LCP FIELD

Lab 4.65 s

Field p75 891 ms

The lab LCP is 5.22× the field p75 — real users likely have above-average hardware or network connectivity.

Page weight

Metric	Value	Change / range
Page Weight	1.40 MB	↑ +16.7 kB (+1.2%) 1.34 MB – 1.40 MB
Requests	20	→ no change 20 – 20
Third-party Weight	620 kB	↑ +16.6 kB (+2.8%) 559 kB – 620 kB
Third-party CPU	261 ms	↑ +8 ms (+3.2%) 169 ms – 261 ms
Unused JS	228 kB	↑ +5.7 kB (+2.7%) 210 kB – 228 kB
Unused CSS	0 B	→ no change 0 B – 0 B

Metric

Value

Change / range

Trend

Page Weight

1.40 MB

↑ +16.7 kB (+1.2%) 1.34 MB – 1.40 MB

Requests

→ no change 20 – 20

Third-party Weight

620 kB

↑ +16.6 kB (+2.8%) 559 kB – 620 kB

Third-party CPU

261 ms

↑ +8 ms (+3.2%) 169 ms – 261 ms

Unused JS

228 kB

↑ +5.7 kB (+2.7%) 210 kB – 228 kB

Unused CSS

0 B

→ no change 0 B – 0 B

By resource type

Type	Share	Size	Requests
image	50.8%	713 kB	3
script	45.4%	637 kB	8
document	2%	28.1 kB	2
other	1%	14.3 kB	5
stylesheet	0.7%	10.3 kB	1
Total		1.40 MB	20

Third parties 6 entities

Entity	Transfer	Size	Main thread Simulated
Google Tag Manager	script	364 kB	121 ms
Facebook	script	217 kB	115 ms
Google Analytics		20.9 kB	11 ms
Twitter Online Conversion Tracking		17.5 kB	14 ms
Twitter Short URL		159 B	0 ms
All 6		620 kB	261 ms

Entity

Transfer

Size

Main thread Simulated

Google Tag Manager

script

364 kB

121 ms

Facebook

script

217 kB

115 ms

Google Analytics

20.9 kB

11 ms

Twitter Online Conversion Tracking

17.5 kB

14 ms

Twitter Short URL

159 B

0 ms

All 6

620 kB

261 ms

Page health

Metric	Value	Change / range
Main Thread Work	1.58 s	↑ +13 ms (+0.9%) 1.14 s – 1.70 s
Long Tasks	9	↑ +1 (+12.5%) 6 – 9
DOM Elements	769	↑ +3 (+0.4%) 683 – 769
Axe Violations Violating nodes from a full Axe CLI run (more than Lighthouse reports)	3	→ no change 2 – 3
A11y Failures	3	→ no change 3 – 3
A11y Failing Nodes	3	→ no change 3 – 3

Metric

Value

Change / range

Trend

Main Thread Work

1.58 s

↑ +13 ms (+0.9%) 1.14 s – 1.70 s

Long Tasks

↑ +1 (+12.5%) 6 – 9

DOM Elements

769

↑ +3 (+0.4%) 683 – 769

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

→ no change 2 – 3

A11y Failures

→ no change 3 – 3

A11y Failing Nodes

→ no change 3 – 3

Main thread work

Task	Share	Duration Simulated
script evaluation	63%	996 ms
other	13%	199 ms
script parse compile	12%	191 ms
style layout	7%	103 ms
parse HTML	3%	52 ms
garbage collection	2%	25 ms
paint composite render	1%	18 ms
Total		1.58 s

Task

Time

Duration Simulated

script evaluation

63%

996 ms

other

13%

199 ms

script parse compile

12%

191 ms

style layout

103 ms

parse HTML

52 ms

garbage collection

25 ms

paint composite render

18 ms

Total

1.58 s

Axe violations axe-core 4.13.0, full rule set

3 violating nodes across 3 rules, 805 passing. This is a standalone Axe CLI run and is stricter than the subset Lighthouse already includes.

critical button-name — Buttons must have discernible text 1 node

Offending element

.text-gray-600

<button @click="open = !open" class="text-gray-600 hover:text-gray-900 focus:outline-none p-2"> <svg class="h-6 w-6" fill="none" stroke="currentColor" viewBox="0 0 24 24"> <path stroke-linecap="round…

serious color-contrast — Elements must meet minimum color contrast ratio thresholds 1 node
Offending element
1. .text-violet-500 > span
```
<span>Book an online Demo</span>
```
moderate heading-order — Heading levels should only increase by one 1 node
Offending element
1. .z-10.text-center.w-full > .text-2xl
```
<h3 class="mt-4 text-2xl tracking-tight font-extrabold text-gray-900 sm:text-4xl"> Book, Manage and Fill Every Table </h3>
```

Accessibility failures 3 of 21 audits

button-name — Buttons do not have an accessible name 1 node
color-contrast — Background and foreground colors do not have a sufficient contrast ratio. 1 node
heading-order — Heading elements are not in a sequentially-descending order 1 node

Best Practices failures 2 of 18 audits

third-party-cookies — Uses third-party cookies 8 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
2026-09-26	906 ms	116 ms	874 ms	487 ms
2026-09-19	925 ms	112 ms	894 ms	534 ms
2026-09-12	901 ms	102 ms	874 ms	500 ms
2026-09-05	866 ms	—	836 ms	459 ms
2026-08-29	857 ms	—	826 ms	451 ms
2026-08-22	833 ms	100 ms	810 ms	431 ms
2026-08-15	847 ms	103 ms	821 ms	413 ms
2026-08-08	868 ms	101 ms	830 ms	407 ms
2026-08-01	874 ms	96 ms	829 ms	400 ms
2026-07-25	912 ms	96 ms	838 ms	401 ms
2026-07-18	862 ms	91 ms	800 ms	400 ms
2026-07-11	857 ms	90 ms	762 ms	393 ms

Week ending

LCP

INP

CLS

FCP

TTFB

2026-09-26

906 ms

116 ms

874 ms

487 ms

2026-09-19

925 ms

112 ms

894 ms

534 ms

2026-09-12

901 ms

102 ms

874 ms

500 ms

2026-09-05

866 ms

—

836 ms

459 ms

2026-08-29

857 ms

—

826 ms

451 ms

2026-08-22

833 ms

100 ms

810 ms

431 ms

2026-08-15

847 ms

103 ms

821 ms

413 ms

2026-08-08

868 ms

101 ms

830 ms

407 ms

2026-08-01

874 ms

96 ms

829 ms

400 ms

2026-07-25

912 ms

96 ms

838 ms

401 ms

2026-07-18

862 ms

91 ms

800 ms

400 ms

2026-07-11

857 ms

90 ms

762 ms

393 ms

Runs

Every stored run for this URL, newest first.

When Scores Perf LCP CLS TBT Weight Runs Spread Bench Took Archive

Oct 6, 2026, 6:59 PM UTC 74 4.65 s 0 388 ms 1.40 MB 3/3 ±18 2,063 -17% 29.4s Wayback

Sep 29, 2026, 5:54 PM UTC 75 4.67 s 0 371 ms 1.39 MB 3/3 ±16 2,182 -12% 29.2s Wayback

Sep 22, 2026, 2:31 PM UTC 98 1.20 s 0 165 ms 1.37 MB 3/3 ±6 3,273 +32% 27.9s Wayback

Sep 15, 2026, 11:22 AM UTC 90 1.26 s 0 396 ms 1.37 MB 3/3 ±26 2,301 -7% 30.4s Wayback

Sep 8, 2026, 10:50 AM UTC 71 5.92 s 0 338 ms 1.35 MB 3/3 ±22 2,497 0% 28.2s Wayback

Sep 1, 2026, 7:26 AM UTC 77 4.66 s 0 302 ms 1.35 MB 3/3 ±3 2,246 -10% 28.5s Wayback

Aug 31, 2026, 10:40 AM UTC TRACING_ALREADY_STARTED: An internal Chrome error occurred. Please restart Chrome and try re-running Lighthouse. 25.2s

Aug 21, 2026, 6:41 PM UTC 77 4.66 s 0 297 ms 1.34 MB 3/3 ±18 2,330 -6% 28.3s Wayback

Aug 21, 2026, 11:36 AM UTC TRACING_ALREADY_STARTED: An internal Chrome error occurred. Please restart Chrome and try re-running Lighthouse. 23.3s

When	Perf	LCP	CLS	TBT	Weight	Runs	Spread	Bench	Took	Archive
Oct 6, 2026, 6:59 PM UTC	74	4.65 s	0	388 ms	1.40 MB	3/3	±18	2,063 -17%	29.4s	Wayback
Sep 29, 2026, 5:54 PM UTC	75	4.67 s	0	371 ms	1.39 MB	3/3	±16	2,182 -12%	29.2s	Wayback
Sep 22, 2026, 2:31 PM UTC	98	1.20 s	0	165 ms	1.37 MB	3/3	±6	3,273 +32%	27.9s	Wayback
Sep 15, 2026, 11:22 AM UTC	90	1.26 s	0	396 ms	1.37 MB	3/3	±26	2,301 -7%	30.4s	Wayback
Sep 8, 2026, 10:50 AM UTC	71	5.92 s	0	338 ms	1.35 MB	3/3	±22	2,497 0%	28.2s	Wayback
Sep 1, 2026, 7:26 AM UTC	77	4.66 s	0	302 ms	1.35 MB	3/3	±3	2,246 -10%	28.5s	Wayback
Aug 31, 2026, 10:40 AM UTC	`TRACING_ALREADY_STARTED: An internal Chrome error occurred. Please restart Chrome and try re-running Lighthouse.`	25.2s
Aug 21, 2026, 6:41 PM UTC	77	4.66 s	0	297 ms	1.34 MB	3/3	±18	2,330 -6%	28.3s	Wayback
Aug 21, 2026, 11:36 AM UTC	`TRACING_ALREADY_STARTED: An internal Chrome error occurred. Please restart Chrome and try re-running Lighthouse.`	23.3s

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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 6 entities

Page health

Main thread work

Axe violations axe-core 4.13.0, full rule set

Accessibility failures 3 of 21 audits

Best Practices failures 2 of 18 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