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CarbonlessBeta

Carbon report

conteksbase.com

Scanned · all pages on conteksbase.com

0.039 g

cleaner than an estimated 95.1% 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

418 kBcold load, on the wire
401 domains
0 B0 requests
29 kB7% re-downloaded
0.051 g CO₂e
0.0035 g CO₂e
verified green
244 ms
n/a
37 ms

At 10,000 views a month this page emits about 4.7 kg CO₂e a year, roughly 19 km in an average petrol car. The estimate assumes 75% new and 25% returning visitors, a measured cache reload ratio of 7%, and world-average grid intensity. How we calculate this

What to fix

apply everything → ~0.028 g/visit, rating A+

  1. Reduce JavaScript payloadsave ~0.0065 g/visit (70 kB)Medium impact · moderate effort

    22 scripts total 279 kB on the wire (889 kB 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.

    • 0wz05_7u95-56.js71 kB
    • 13r6ucmjh143y.js30 kB
    • 0126~c95ulq4_.js15 kB
    • 0t19o~_9bsc.z.js14 kB
    • 0d3shmwh5_nmn.js13 kB
    WSG 3.2: Minify and remove unused codeWSG 3.3: Modularize bandwidth-heavy components
  2. Upgrade compression beyond gzipsave ~0.0044 g/visit (47 kB)Advisory · quick fix

    316 kB of text ships gzip-compressed; Brotli or Zstandard would cut roughly another 15-20%, and browsers without them fall back to gzip automatically.

    Serve precompressed Brotli for static text assets (highest level, compressed at build time) and enable Brotli or zstd for dynamic responses; keep gzip only as the fallback.

    • 0wz05_7u95-56.js71 kB
    • 13r6ucmjh143y.js30 kB
    • 0r50uo7i_9bne.css19 kB
    • 0126~c95ulq4_.js15 kB
    • 0t19o~_9bsc.z.js14 kB
    WSG 4.3: Reduce data transfer with compression

Where the bytes are

  • JavaScript279 kB · 22 req
  • Fonts90 kB · 2 req
  • CSS20 kB · 2 req
  • Data (fetch)17 kB · 13 req
  • HTML13 kB · 1 req
Ten heaviest requests
ResourceTypeWire sizeCache-Control
conteksbase.com/_next/static/chunks/0wz05_7u95-56.jsscript71 kBpublic, max-age=31536000, immutable
conteksbase.com/_next/static/media/83afe278b6a6bb3c-s.p.0q-301v4kxxnr.woff2font49 kBpublic, max-age=31536000, immutable
conteksbase.com/_next/static/media/70bc3e132a0a741e-s.p.1409xf.ylxg8g.woff2font41 kBpublic, max-age=31536000, immutable
conteksbase.com/_next/static/chunks/13r6ucmjh143y.jsscript30 kBpublic, max-age=31536000, immutable
conteksbase.com/_next/static/chunks/0r50uo7i_9bne.cssstylesheet19 kBpublic, max-age=31536000, immutable
conteksbase.com/_next/static/chunks/0126~c95ulq4_.jsscript15 kBpublic, max-age=31536000, immutable
conteksbase.com/_next/static/chunks/0t19o~_9bsc.z.jsscript14 kBpublic, max-age=31536000, immutable
conteksbase.com/_next/static/chunks/0d3shmwh5_nmn.jsscript13 kBpublic, max-age=31536000, immutable
conteksbase.com/document13 kBs-maxage=31536000
conteksbase.com/_next/static/chunks/14b4x66zi1kef.jsscript12 kBpublic, max-age=31536000, immutable

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