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CarbonlessBeta

Carbon report

tripreplay.app/editor

Scanned · all pages on tripreplay.app

0.062 g

cleaner than an estimated 92.1% of pages on the web 

  1. A+
  2. A
  3. B
  4. C
  5. D
  6. E
  7. F

A+ is 0.04 g or less per view, F is more than 0.359 g CO₂e.

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What the browser rendered, so you can confirm a real page was measured.

The numbers

551 kBcold load, on the wire
513 domains
170 kB2 requests
32 kB6% re-downloaded
0.082 g CO₂e
0.0048 g CO₂e
unknown
392 ms
0.048
184 ms

At 10,000 views a month this page emits about 7.5 kg CO₂e a year, roughly 31 km in an average petrol car. The estimate assumes 75% new and 25% returning visitors, a measured cache reload ratio of 6%, and world-average grid intensity. How we calculate this

What to fix

apply everything → ~0.041 g/visit, rating A

  1. Reduce JavaScript payloadsave ~0.012 g/visit (104 kB)Medium impact · moderate effort

    17 scripts total 416 kB on the wire (1.34 MB decoded). Bundles this size usually carry a lot of unused code.

    Split bundles per route, tree-shake dependencies, and audit with a bundle analyzer or coverage profile. A 25% cut is a conservative target for bundles this size.

    • js170 kB
    • 249261e921aeebba.js67 kB
    • dea51636871026e8.js62 kB
    • 54f7a9c94896a495.js31 kB
    • afe61357a0f49fb2.js10 kB
    WSG 3.2: Minify and remove unused codeWSG 3.3: Modularize bandwidth-heavy components
  2. Audit third-party servicessave ~0.0096 g/visit (85 kB)Medium impact · moderate effort

    2 third-party domains account for 170 kB (31% of the page).

    Remove services that no longer earn their place; load the rest on interaction (facades for embeds, delayed consent-gated tags). Each third party is also a privacy and performance dependency.

    • www.googletagmanager.com170 kB
    • region1.google-analytics.com0 B
    WSG 3.5: Treat third parties the same as first parties
  3. Verify your hosting energyMedium impact · moderate effort

    This host has not published renewable energy evidence with the Green Web Foundation, so its energy source is unknown.

    Choose a provider listed in the Green Web Directory, or ask your current provider to publish evidence (and a carbon.txt). This cuts the data-center share of every single page view.

    WSG 4.1: Use sustainable hosting

Where the bytes are

  • JavaScript416 kB · 17 req
  • Data (fetch)70 kB · 30 req
  • Fonts49 kB · 1 req
  • CSS11 kB · 1 req
  • HTML3.9 kB · 1 req
  • Images1.1 kB · 1 req
Ten heaviest requests
ResourceTypeWire sizeCache-Control
www.googletagmanager.com/gtag/js?id=G-NGY74D85KZscript170 kBprivate, max-age=900
tripreplay.app/_next/static/chunks/249261e921aeebba.jsscript67 kBpublic,max-age=31536000,immutable
tripreplay.app/_next/static/chunks/dea51636871026e8.jsscript62 kBpublic,max-age=31536000,immutable
tripreplay.app/_next/static/media/83afe278b6a6bb3c-s.p.3a6ba036.woff2font49 kBpublic,max-age=31536000,immutable
tripreplay.app/data/world-110m.jsonfetch38 kBpublic,max-age=0,must-revalidate
tripreplay.app/_next/static/chunks/54f7a9c94896a495.jsscript31 kBpublic,max-age=31536000,immutable
tripreplay.app/_next/static/chunks/b8ee9d1ca23cb2d1.cssstylesheet11 kBpublic,max-age=31536000,immutable
tripreplay.app/_next/static/chunks/afe61357a0f49fb2.jsscript10 kBpublic,max-age=31536000,immutable
tripreplay.app/_next/static/chunks/dc3fe63021f8a734.jsscript9.9 kBpublic,max-age=31536000,immutable
tripreplay.app/_next/static/chunks/c80fb2405fe2a94c.jsscript9.9 kBpublic,max-age=31536000,immutable

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