atmosphereconf.org

Ranks Overall #988 Astro Showcase #67

Data from Oct 2, 2026, 6:44 AM UTC 16h old Measured once a month · 1 run since Oct 2, 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 Astro 7.3.2

Hosted by Cloudflare

Lighthouse Scores LAB Simulated

Performance

no change

Accessibility

no change

100

Best Practices

no change

100

SEO

no change

Metrics LAB

No field data: the Chrome UX Report is not being collected for this project, so every figure below is from the Lighthouse run.

Metric	Lab Simulated
LCP CWV (estimate) Largest Contentful Paint	7.98 s poor	— 7.98 s – 7.98 s
INP CWV Interaction to Next Paint — field only, no lab run can measure it	n/a	—
CLS CWV (estimate) Cumulative Layout Shift	0.049 good	— 0.049 – 0.049
TBT Total Blocking Time	0 ms good	— 0 ms – 0 ms
FCP First Contentful Paint	3.03 s poor	— 3.03 s – 3.03 s
Speed Index	3.03 s good	— 3.03 s – 3.03 s
TTFB Time to First Byte	461 ms good	— 461 ms – 461 ms

Metric

Lab Simulated

Value

Change / range

Trend

LCP CWV (estimate) Largest Contentful Paint

7.98 s poor

— 7.98 s – 7.98 s

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

n/a

—

CLS CWV (estimate) Cumulative Layout Shift

0.049 good

— 0.049 – 0.049

TBT Total Blocking Time

0 ms good

— 0 ms – 0 ms

FCP First Contentful Paint

3.03 s poor

— 3.03 s – 3.03 s

Speed Index

3.03 s good

— 3.03 s – 3.03 s

TTFB Time to First Byte

461 ms good

— 461 ms – 461 ms

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 118 ms

time to first byte 112 ms

Page weight

Metric	Value	Change / range
Page Weight	1.39 MB	— 1.39 MB – 1.39 MB
Requests	16	— 16 – 16
Third-party Weight	95.5 kB	— 95.5 kB – 95.5 kB
Third-party CPU	0 ms	— 0 ms – 0 ms
Unused JS	0 B	— 0 B – 0 B
Unused CSS	0 B	— 0 B – 0 B

Metric

Value

Change / range

Trend

Page Weight

1.39 MB

— 1.39 MB – 1.39 MB

Requests

— 16 – 16

Third-party Weight

95.5 kB

— 95.5 kB – 95.5 kB

Third-party CPU

0 ms

— 0 ms – 0 ms

Unused JS

0 B

— 0 B – 0 B

Unused CSS

0 B

— 0 B – 0 B

By resource type

Type	Share	Size	Requests
image	77.7%	1.08 MB	4
other	10.2%	142 kB	1
font	6.8%	94.8 kB	2
script	2.6%	35.9 kB	5
document	2%	27.8 kB	1
stylesheet	0.8%	10.5 kB	3
Total		1.39 MB	16

Third parties 1 entities

Entity	Transfer	Size	Main thread Simulated
Google Fonts	font	95.5 kB	0 ms
Total		95.5 kB	0 ms

Entity

Transfer

Size

Main thread Simulated

Google Fonts

font

95.5 kB

0 ms

Total

95.5 kB

0 ms

Page health

Metric	Value	Change / range
Main Thread Work	1.67 s	— 1.67 s – 1.67 s
Long Tasks	1	— 1 – 1
DOM Elements	715	— 715 – 715
Axe Violations Violating nodes from a full Axe CLI run (more than Lighthouse reports)	1	— 1 – 1
A11y Failures	2	— 2 – 2
A11y Failing Nodes	3	— 3 – 3

Metric

Value

Change / range

Trend

Main Thread Work

1.67 s

— 1.67 s – 1.67 s

Long Tasks

— 1 – 1

DOM Elements

715

— 715 – 715

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

— 1 – 1

A11y Failures

— 2 – 2

A11y Failing Nodes

— 3 – 3

Main thread work

Task	Share	Duration Simulated
style layout	39%	651 ms
other	33%	551 ms
paint composite render	13%	218 ms
script evaluation	13%	209 ms
parse HTML	2%	33 ms
script parse compile	0%	7 ms
garbage collection	0%	4 ms
Total		1.67 s

Task

Time

Duration Simulated

style layout

39%

651 ms

other

33%

551 ms

paint composite render

13%

218 ms

script evaluation

13%

209 ms

parse HTML

33 ms

script parse compile

7 ms

garbage collection

4 ms

Total

1.67 s

Axe violations axe-core 4.13.0, full rule set

1 violating node across 1 rule, 258 passing. This is a standalone Axe CLI run and is stricter than the subset Lighthouse already includes.

serious autocomplete-valid — autocomplete attribute must be used correctly 1 node

Offending element

#airmail-email

<input id="airmail-email" name="email" type="text" class="cmb-input postcard-f..." placeholder="you@example.com" role="combobox" aria-autocomplete="list" aria-expanded="false" aria-controls="airmail-…

Accessibility failures 2 of 24 audits

label-content-name-mismatch — Elements with visible text labels do not have matching accessible names. 2 nodes
autocomplete-valid — `autocomplete` attributes are not used correctly 1 node

Hygiene

HTTPS HSTS CSP Clickjacking protection Origin isolation Trusted Types bfcache h3

Measurement log

Field history 25 weeks

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

Week ending	LCP	INP	CLS	FCP	TTFB
2026-05-02 → 2026-09-26	No data — 22 weeks under the CrUX reporting threshold
2026-04-25	1.28 s	95 ms	0	1.21 s	1.31 s
2026-04-18	1.72 s	94 ms	0	1.55 s	1.56 s
2026-04-11	1.73 s	93 ms	0	1.54 s	1.48 s

Week ending

LCP

INP

CLS

FCP

TTFB

2026-05-02 → 2026-09-26

No data — 22 weeks under the CrUX reporting threshold

2026-04-25

1.28 s

95 ms

1.21 s

1.31 s

2026-04-18

1.72 s

94 ms

1.55 s

1.56 s

2026-04-11

1.73 s

93 ms

1.54 s

1.48 s

Runs

Every stored run for this URL, newest first.

When	Scores	Perf	LCP	CLS	TBT	Weight	Runs	Spread	Bench	Took	Archive
Oct 2, 2026, 6:44 AM UTC		69	7.98 s	0.049	0 ms	1.39 MB	3/3	±3	2,476 0%	25.8s	Wayback

When

Scores

Perf

LCP

CLS

TBT

Weight

Runs

Spread

Bench

Took

Stack

Lighthouse Scores LAB 🤖 Simulated

Metrics LAB

LCP Subparts LAB 🐇 Unthrottled

Page weight

By resource type

Third parties 1 entities

Page health

Main thread work

Axe violations axe-core 4.13.0, full rule set

Accessibility failures 2 of 24 audits

Hygiene

Measurement log

Field history 25 weeks

Runs

Lighthouse Scores LAB Simulated

LCP Subparts LAB Unthrottled