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https://emptyhammock.com

Performance

· 14 checks — Lighthouse + waterfall + sustainability rolled into one auditable list.
SCORE
93
GRADE
A
FIX
1
REVIEW
3
PASS
9
INFO
1

Performance-focused optimization plan with CWV assessment, top offenders, and time estimates

98
Performance Overall performance score (0–100) based on Core Web Vitals and other metrics. 90+ is good.
69
Accessibility Measures how accessible the page is for users with disabilities. Checks color contrast, ARIA labels, and semantic HTML.
100
Best Practices Checks for modern web development best practices including HTTPS, no console errors, and secure JavaScript.
100
SEO Measures basic SEO optimizations: meta tags, crawlability, link text, and mobile friendliness.

First Contentful Paint First Contentful Paint — how long until the browser renders the first piece of content. Under 1.8s is good.

797 ms

Largest Contentful Paint Largest Contentful Paint — how long until the largest visible element loads. Under 2.5s is good.

936 ms

Total Blocking Time Total Blocking Time — total time the main thread was blocked, preventing user input. Under 200ms is good.

0 ms

Cumulative Layout Shift Cumulative Layout Shift — measures visual stability. How much the page layout shifts during loading. Under 0.1 is good.

0.000

Speed Index Speed Index — how quickly content is visually displayed during load. Under 3.4s is good.

797 ms

Time to Interactive Time to Interactive — how long until the page is fully interactive and responds to user input. Under 3.8s is good.

936 ms

Page Load Progression

375 ms
750 ms
1.1 s
1.5 s
1.9 s
2.2 s
2.6 s
3.0 s
Checks
14
9 PASS 3 REVIEW 1 FIX
D
HTTP Caching
Action
No cache headers
FIX
No cache headers
Warning::
No Cache-Control header found
Browsers will use heuristic caching, which can be unpredictable. Set explicit cache headers.
Info::
ETag present — enables conditional (304) responses
Info::
Last-Modified header present

No Cache-Control header

Adding a Cache-Control header can significantly improve repeat-visit performance.

B
Third-Party Impact
42% third-party, 0 ms blocking
REVIEW
42% third-party, 0 ms blocking
Info::
Third-party code accounts for 42% of page weight (171.1 KiB of 404.4 KiB)
Info::
Third-party blocking time is low (0 ms)
58%
42%
First-party Third-party
B
JS Bundles
4 scripts, 104 KB unused
REVIEW
4 scripts, 104 KB unused
Warning::
https://www.googletagmanager.com/gtag/js?id=G-J7MN...: 63 KB unused (43%)
Consider code splitting or tree shaking to reduce unused code.
Warning::
https://emptyhammock.com/vendor/materialize/js/mat...: 41 KB unused (83%)
Consider code splitting or tree shaking to reduce unused code.
Info::
Total unused JavaScript: 104 KB
104 KB unused JavaScript

Downloaded but never executed on this page.

ScriptSizeUnusedMinifiedParty
https://www.googletagmanager.com/gtag/js?id=G-J7MNVB218J&cx=c&_slc=1148 KB63 KB (43%)3rd
https://emptyhammock.com/vendor/materialize/js/materialize.min.js49 KB41 KB (83%)1st
https://emptyhammock.com/vendor/jquery/jquery-2.1.1.min.js29 KB1st
https://www.google-analytics.com/analytics.js21 KB3rd

Consider code splitting or tree shaking to reduce unused code.

Why this matters

This bundle has high unused code — code-split or tree-shake to ship only what executes.

Source: web.dev / Lighthouse coverage

Consider code splitting or tree shaking to reduce unused code.

Why this matters

This bundle has high unused code — code-split or tree-shake to ship only what executes.

Source: web.dev / Lighthouse coverage

C
Green Hosting
Action
Whether the site is served from green-energy infrastructure
REVIEW

Green Hosting

No green hosting detected

A+
Page Weight Budget
404 KB transferred, 13 requests
PASS
404 KB transferred, 13 requests
Info::
Page weighs 993 KB (404 KB transferred)
Info::
13 HTTP requests
Info::
Estimated 0.08 g CO2 per page load
404 KB / 2.4 MB budget
404 KB transferred
13 requests
0.08 g CO2 per page load
JavaScript 247.9 KiB 61%
Fonts 127.8 KiB 32%
CSS 23.6 KiB 6%
HTML 2.4 KiB 1%
Other 1.7 KiB 0%
Other 550 B 0%
Other 466 B 0%
0 2.4 MB 4.9 MB
Under budget
A+
Text Compression
All text resources are compressed
PASS
All text resources are compressed
Info::
All text resources are compressed
All text resources are properly compressed.
A+
Image Optimization
No images on this page
PASS
No images on this page
Info::
No images on this page
0 images 0 KB
0 oversized -0 KB
0 legacy format
0 missing dimensions CLS risk
A+
JS Execution Cost
No JS execution data
PASS
No JS execution data
Info::
No significant JS execution detected

Main Thread Breakdown

Script Evaluation 51% Other 21% Style & Layout 14% Script Parsing & Compilation 10%
A+
Font Loading
2 fonts (128 KB)
PASS
2 fonts (128 KB)
Info::
2 font(s) use font-display: swap (FOUT risk but functional)

Web fonts

2

128 KB total

Render-blocking

0

of 2

Dominant font-display

swap

Most common across fonts

Font loading timeline
Transfer FOIT (block) FOUT (swap)
0 ms 500 ms 1.0 s FCP 797 ms LCP 936 mshttps://emptyhammock.com/vendor/materialize/fonts/roboto/Roboto-Regular.woff2Roboto-Regular.woff2 https://emptyhammock.com/vendor/materialize/fonts/roboto/Roboto-Regular.woff2 — 63.6 KiB — 197 ms — font-display: swaphttps://emptyhammock.com/vendor/materialize/fonts/roboto/Roboto-Medium.woff2Roboto-Medium.woff2 https://emptyhammock.com/vendor/materialize/fonts/roboto/Roboto-Medium.woff2 — 64.2 KiB — 299 ms — font-display: swap
Roboto-Regular.woff2 woff2 swap
Size 64 KB
Load time 197 ms
Start 532 ms
Risk FOUT — text flashes from fallback to web font
Roboto-Medium.woff2 woff2 swap
Size 64 KB
Load time 299 ms
Start 532 ms
Risk FOUT — text flashes from fallback to web font
Optimization checklist
  • Preload critical fonts (priority=high)
  • Use woff2 format for all fonts
  • Set font-display to swap, optional, or fallback
  • Subset large fonts (≤100 KB each)
A+
Resource Caching
All resources properly cached
PASS
All resources properly cached
Info::
No caching issues found
All static resources have appropriate caching headers.
A+
Critical Rendering Path
No render-blocking resources
PASS
No render-blocking resources
Info::
No render-blocking resources detected
A+
Resource Hints
No optimization needed
PASS
No optimization needed
Info::
No resource hint issues
A
Page Weight Inventory
13 resources · 404 KB · 104 KB savings available
PASS
13 resources · 404 KB · 104 KB savings available
Info::
Within 1MB page-weight target
Got: 404 KB
Info::
~104 KB of savings available
Warning::
5 third-party resources (42% of weight)
13 resources · 404.4 KiB · 5 third-party Within 1MB page-weight target
JavaScript 61% · 247.9 KiB
Font 32% · 127.8 KiB
CSS 6% · 23.6 KiB
Document 1% · 2.4 KiB
Image 0% · 1.7 KiB
Other 0% · 1016 B

~103.9 KiB of savings available

Remove unused JavaScript: 103.9 KiB
Network Waterfall
13 requests over 1247ms
INFO
0 ms 500 ms 1.0 s FCP 797 ms LCP 936 mshttps://emptyhammock.com// https://emptyhammock.com/ — 200 — 2.4 KiB — 296 ms — http/1.1https://fonts.googleapis.com/icon?family=Material+Iconsfonts.googleapis.com/icon?family=Ma... https://fonts.googleapis.com/icon?family=Material+Icons — 200 — 817 B — 75 ms — h2https://emptyhammock.com/vendor/materialize/css/materialize.min.css/vendor/materialize/css/materialize... https://emptyhammock.com/vendor/materialize/css/materialize.min.css — 200 — 22.1 KiB — 201 ms — http/1.1https://emptyhammock.com/static/css/em.css?v=5/static/css/em.css?v=5 https://emptyhammock.com/static/css/em.css?v=5 — 200 — 747 B — 100 ms — http/1.1https://emptyhammock.com/vendor/jquery/jquery-2.1.1.min.js/vendor/jquery/jquery-2.1.1.min.js https://emptyhammock.com/vendor/jquery/jquery-2.1.1.min.js — 200 — 29.2 KiB — 304 ms — http/1.1https://emptyhammock.com/vendor/materialize/js/materialize.min.js/vendor/materialize/js/materialize.... https://emptyhammock.com/vendor/materialize/js/materialize.min.js — 200 — 49.3 KiB — 505 ms — http/1.1https://emptyhammock.com/vendor/materialize/fonts/roboto/Roboto-Regular.woff2/vendor/materialize/fonts/roboto/Ro... https://emptyhammock.com/vendor/materialize/fonts/roboto/Roboto-Regular.woff2 — 200 — 63.6 KiB — 197 ms — http/1.1https://emptyhammock.com/vendor/materialize/fonts/roboto/Roboto-Medium.woff2/vendor/materialize/fonts/roboto/Ro... https://emptyhammock.com/vendor/materialize/fonts/roboto/Roboto-Medium.woff2 — 200 — 64.2 KiB — 299 ms — http/1.1https://www.google-analytics.com/analytics.jswww.google-analytics.com/analytics.... https://www.google-analytics.com/analytics.js — 200 — 20.9 KiB — 91 ms — h2https://www.google-analytics.com/j/collect?v=1&_v=j102&a=1246496563&t=pageview&_s=1&dl=https%3A%2F%2Femptyhammock.com%2F&ul=en-us&dt=Emptyhammock%20%E2%80%94%20Software%20Consulting&sr=800x600&vp=1350x940&_u=IEBAAEABAAAAACAAI~&jid=1988470649&gjid=96477267&cid=1705118824.1776806348&tid=UA-42532750-1&_gid=384985717.1776806348&_r=1&_slc=1&z=1044489369www.google-analytics.com/j/collect?... https://www.google-analytics.com/j/collect?v=1&_v=j102&a=1246496563&t=pageview&_s=1&dl=https%3A%2F%2Femptyhammock.com%2F&ul=en-us&dt=Emptyhammock%20%E2%80%94%20Software%20Consulting&sr=800x600&vp=1350x940&_u=IEBAAEABAAAAACAAI~&jid=1988470649&gjid=96477267&cid=1705118824.1776806348&tid=UA-42532750-1&_gid=384985717.1776806348&_r=1&_slc=1&z=1044489369 — 200 — 466 B — 25 ms — h2https://emptyhammock.com/favicon.ico?v=1/favicon.ico?v=1 https://emptyhammock.com/favicon.ico?v=1 — 200 — 1.7 KiB — 102 ms — http/1.1https://www.googletagmanager.com/gtag/js?id=G-J7MNVB218J&cx=c&_slc=1www.googletagmanager.com/gtag/js?id... https://www.googletagmanager.com/gtag/js?id=G-J7MNVB218J&cx=c&_slc=1 — 200 — 148.4 KiB — 141 ms — h2https://region1.google-analytics.com/g/collect?v=2&tid=G-J7MNVB218J&gtm=45je64h1v9125549266za20g&_p=1776806348303&gcd=13l3l3l2l2l1&npa=0&dma_cps=a&dma=1&_eu=EBAI&are=1&cid=1705118824.1776806348&frm=0&ir=1&pscdl=noapi&rcb=17&sr=800x600&uaa=x86&uab=64&uafvl=Chromium%3B147.0.7727.101%7CNot.A%252FBrand%3B8.0.0.0&uam=&uamb=0&uap=macOS&uapv=10.15.7&uaw=0&ul=en-us&_s=1&tag_exp=0~115616985~115938466~115938468~117266401~117512542&dl=https%3A%2F%2Femptyhammock.com%2F&dt=Emptyhammock%20%E2%80%94%20Software%20Consulting&sid=1776806348&sct=1&seg=0&_tu=wAQ&en=page_view&_fv=1&_ss=1&_ee=1&tfd=1170region1.google-analytics.com/g/coll... https://region1.google-analytics.com/g/collect?v=2&tid=G-J7MNVB218J&gtm=45je64h1v9125549266za20g&_p=1776806348303&gcd=13l3l3l2l2l1&npa=0&dma_cps=a&dma=1&_eu=EBAI&are=1&cid=1705118824.1776806348&frm=0&ir=1&pscdl=noapi&rcb=17&sr=800x600&uaa=x86&uab=64&uafvl=Chromium%3B147.0.7727.101%7CNot.A%252FBrand%3B8.0.0.0&uam=&uamb=0&uap=macOS&uapv=10.15.7&uaw=0&ul=en-us&_s=1&tag_exp=0~115616985~115938466~115938468~117266401~117512542&dl=https%3A%2F%2Femptyhammock.com%2F&dt=Emptyhammock%20%E2%80%94%20Software%20Consulting&sid=1776806348&sct=1&seg=0&_tu=wAQ&en=page_view&_fv=1&_ss=1&_ee=1&tfd=1170 — 204 — 550 B — 77 ms — h2
HTML JavaScript CSS Images Fonts XHR/Fetch Other
All checks on this page are automated. Results are estimates - run targeted manual reviews when the score affects a release decision.

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