0.069 g
cleaner than an estimated 91.3% of pages on the web
- A+
- A
- B
- C
- D
- E
- F
A+ is 0.04 g or less per view, F is more than 0.359 g CO₂e.
The numbers
- 0.092 g CO₂e
- <0.001 g CO₂e
- unknown
- 404 ms
- 0.011
- 53 ms
At 10,000 views a month this page emits about 8.2 kg CO₂e a year, roughly 34 km in an average petrol car. The estimate assumes 75% new and 25% returning visitors, a measured cache reload ratio of 0%, and world-average grid intensity. How we calculate this
What to fix
apply everything → ~0.039 g/visit, rating A+
Convert and compress imagessave ~0.030 g/visit (269 kB)Medium impact · quick fix
13 images (597 kB) ship in legacy formats (JPEG/PNG/GIF).
Serve AVIF (or WebP) with responsive srcset sizes, and re-compress oversized files. AVIF typically halves JPEG weight at the same visual quality.
- rebar-foundation-wind-turbine_dithered.png81 kB
- AfzinkenStevinsluizen_dithered.png71 kB
- human-powered-air-compressor-1_dithered.png56 kB
- direct-solar-office_dithered.png49 kB
- COVE-1910_dithered.png49 kB
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.
- carbon.txtNo carbon.txt found at the site root; publishing one is the lightest first step.
Where the bytes are
- Images601 kB · 14 req
- HTML6.5 kB · 1 req
- CSS6.2 kB · 1 req
- JavaScript4.3 kB · 2 req
- Data (fetch)406 B · 1 req
Ten heaviest requests
| Resource | Type | Wire size | Cache-Control |
|---|---|---|---|
| solar.lowtechmagazine.com/de/2024/09/how-to-escape-from-the-iron-age/images/dithers/rebar-foundation-wind-turbine_dithered.png | image | 81 kB | max-age=315360000 |
| solar.lowtechmagazine.com/de/2021/11/fascine-mattresses-basketry-gone-wild/images/dithers/AfzinkenStevinsluizen_dithered.png | image | 71 kB | max-age=315360000 |
| solar.lowtechmagazine.com/de/2023/07/human-powered-air-compressor-and-energy-storage-system/images/dithers/human-powered-air-compressor-1_dithered.png | image | 56 kB | max-age=315360000 |
| solar.lowtechmagazine.com/de/2025/04/direct-solar-power-off-grid-without-batteries/images/dithers/direct-solar-office_dithered.png | image | 49 kB | max-age=315360000 |
| solar.lowtechmagazine.com/de/2021/10/how-to-build-a-low-tech-solar-panel/images/dithers/COVE-1910_dithered.png | image | 49 kB | max-age=315360000 |
| solar.lowtechmagazine.com/de/2021/02/vertical-farming-does-not-save-space/images/dithers/vertical-farm_dithered.png | image | 48 kB | max-age=315360000 |
| solar.lowtechmagazine.com/de/2023/12/how-to-build-a-small-solar-power-system/images/dithers/white-solar-all_dithered.png | image | 47 kB | max-age=315360000 |
| solar.lowtechmagazine.com/de/2022/01/the-revenge-of-the-hot-water-bottle/images/dithers/hot-water-bottles-bar-terrace_dithered.png | image | 41 kB | max-age=315360000 |
| solar.lowtechmagazine.com/de/2024/10/communal-luxury-the-public-bathhouse/images/dithers/Hot-spring-pool-bathhouse_in_Beitou-Taiwan-1900s-museum_dithered.png | image | 37 kB | max-age=315360000 |
| solar.lowtechmagazine.com/de/2025/09/can-we-make-bicycles-sustainable-again/images/dithers/immagenwebblancoynegro_dithered.png | image | 34 kB | max-age=315360000 |
Share this report
<a href="https://carbonless.cc/report/solar.lowtechmagazine.com/de"><img src="https://carbonless.cc/api/badge?url=https%3A%2F%2Fsolar.lowtechmagazine.com%2Fde" alt="Carbon rating for this page" width="150" height="30" loading="lazy" /></a>The badge is a lightweight SVG (under 1 kB) served with long-lived caching, so a new scan can take up to a day to show through.