Environmental statement for this website
Website eco-design level
- A
- B
- C
- D
- E
- F
- G
- Ecoindex score: 81.6 / 100
- Average water consumption per 1,000 users: 693.9 liters, or 77 packs of mineral water. *
- Average greenhouse gas (GHG) emissions per 1,000 users: 46.8 kilos CO2e, equivalent to a journey of 217 kms in a combustion-powered car. *
Valuation method
Like all digital production, this website has an environmental impact, which we present on this page using standardized indicators.
We use the EcoIndex benchmark proposed by the GreenIT.fr collective, to assess the environmental performance of this website. This is quantified using two types of indicators:
- Website eco-design level.This indicator assesses the implementation of best practices to reduce the impact of a web page. The level achieved is represented by a relative rating from A to G (A is the best score) combined with an absolute score from 0 to 100 (100 is the best score).
- Water consumption and GHG emissions related to page loading. This indicator quantifies freshwater consumption ( cls) and GHG emission ( gCO2e) linked to the loading of a web page.
For summary purposes, four types of data are shown:
- Ecodesign level for the 5 most visited pages of the website
- Ecodesign level for 5 typical website user paths
- Water consumption (expressed in liters) and GHG emissions (kilos CO2e) linked to the loading of a web page for 1 user, based on 1,000 users.
- Water consumption (expressed in liters) and GHG emissions (kilos CO2e) linked to the execution of a run for 1 user, compared with 1,000 users.
The analysis shown was carried out on Tuesday, May 21, 2024, and is subject to change: the quantification of environmental impacts presented below is a snapshot taken at a point in time.
Evaluating the impact of 34 the site's most visited pages
Page 1 : numerique-responsable
EcoIndex D
EcoIndex
52.6Water (cl)
2.9GHG (gCO2e)
1.9Number of requests
20Page size (KB)
299DOM size
1312- Average water consumption per 1,000 users: 29 liters, or 3 packs of mineral water.
- Average greenhouse gas (GHG) emissions per 1,000 users: 1.9 kilos CO2e, equivalent to a journey of 9 kms in a combustion-powered car.
Page 2 : accueil
EcoIndex B
EcoIndex
75.5Water (cl)
2.2GHG (gCO2e)
1.5Number of requests
38Page size (KB)
826DOM size
280- Average water consumption per 1,000 users: 22 liters, or 2 packs of mineral water.
- Average greenhouse gas (GHG) emissions per 1,000 users: 1.5 kilos CO2e, equivalent to a journey of 7 kms in a combustion-powered car.
Page 3 : blog
EcoIndex C
EcoIndex
60.6Water (cl)
2.7GHG (gCO2e)
1.8Number of requests
29Page size (KB)
28473DOM size
424- Average water consumption per 1,000 users: 27 liters, or 3 packs of mineral water.
- Average greenhouse gas (GHG) emissions per 1,000 users: 1.8 kilos CO2e, equivalent to a journey of 8 kms in a combustion-powered car.
Page 4 : blog
EcoIndex A
EcoIndex
85.2Water (cl)
1.9GHG (gCO2e)
1.3Number of requests
19Page size (KB)
237DOM size
195- Average water consumption per 1,000 users: 19 liters, or 2 packs of mineral water.
- Average greenhouse gas (GHG) emissions per 1,000 users: 1.3 kilos CO2e, equivalent to a journey of 6 kms in a combustion-powered car.
Page 5 : etude-de-cas depuis /tags
EcoIndex A
EcoIndex
86.2Water (cl)
1.9GHG (gCO2e)
1.3Number of requests
17Page size (KB)
10DOM size
210- Average water consumption per 1,000 users: 19 liters, or 2 packs of mineral water.
- Average greenhouse gas (GHG) emissions per 1,000 users: 1.3 kilos CO2e, equivalent to a journey of 6 kms in a combustion-powered car.
Page 6 : sensibilisation-climat depuis /tags
EcoIndex A
EcoIndex
86.5Water (cl)
1.9GHG (gCO2e)
1.3Number of requests
19Page size (KB)
9DOM size
191- Average water consumption per 1,000 users: 19 liters, or 2 packs of mineral water.
- Average greenhouse gas (GHG) emissions per 1,000 users: 1.3 kilos CO2e, equivalent to a journey of 6 kms in a combustion-powered car.
Page 7 : tags
EcoIndex A
EcoIndex
86.8Water (cl)
1.9GHG (gCO2e)
1.3Number of requests
19Page size (KB)
5DOM size
185- Average water consumption per 1,000 users: 19 liters, or 2 packs of mineral water.
- Average greenhouse gas (GHG) emissions per 1,000 users: 1.3 kilos CO2e, equivalent to a journey of 6 kms in a combustion-powered car.
Page 8 : blog
EcoIndex A
EcoIndex
85.8Water (cl)
1.9GHG (gCO2e)
1.3Number of requests
18Page size (KB)
7DOM size
217- Average water consumption per 1,000 users: 19 liters, or 2 packs of mineral water.
- Average greenhouse gas (GHG) emissions per 1,000 users: 1.3 kilos CO2e, equivalent to a journey of 6 kms in a combustion-powered car.
Page 9 : decryptage depuis /tags
EcoIndex A
EcoIndex
84Water (cl)
2GHG (gCO2e)
1.3Number of requests
19Page size (KB)
242DOM size
229- Average water consumption per 1,000 users: 20 liters, or 2 packs of mineral water.
- Average greenhouse gas (GHG) emissions per 1,000 users: 1.3 kilos CO2e, equivalent to a journey of 6 kms in a combustion-powered car.
Page 10 : blog
EcoIndex A
EcoIndex
85.4Water (cl)
1.9GHG (gCO2e)
1.3Number of requests
18Page size (KB)
9DOM size
231- Average water consumption per 1,000 users: 19 liters, or 2 packs of mineral water.
- Average greenhouse gas (GHG) emissions per 1,000 users: 1.3 kilos CO2e, equivalent to a journey of 6 kms in a combustion-powered car.
Page 11 : label-rse depuis /tags
EcoIndex A
EcoIndex
86.6Water (cl)
1.9GHG (gCO2e)
1.3Number of requests
17Page size (KB)
9DOM size
199- Average water consumption per 1,000 users: 19 liters, or 2 packs of mineral water.
- Average greenhouse gas (GHG) emissions per 1,000 users: 1.3 kilos CO2e, equivalent to a journey of 6 kms in a combustion-powered car.
Page 12 : blog
EcoIndex A
EcoIndex
85Water (cl)
1.9GHG (gCO2e)
1.3Number of requests
19Page size (KB)
238DOM size
200- Average water consumption per 1,000 users: 19 liters, or 2 packs of mineral water.
- Average greenhouse gas (GHG) emissions per 1,000 users: 1.3 kilos CO2e, equivalent to a journey of 6 kms in a combustion-powered car.
Page 13 : sensibilisation-rse depuis /tags
EcoIndex A
EcoIndex
86.3Water (cl)
1.9GHG (gCO2e)
1.3Number of requests
17Page size (KB)
10DOM size
208- Average water consumption per 1,000 users: 19 liters, or 2 packs of mineral water.
- Average greenhouse gas (GHG) emissions per 1,000 users: 1.3 kilos CO2e, equivalent to a journey of 6 kms in a combustion-powered car.
Page 14 : blog
EcoIndex A
EcoIndex
84.3Water (cl)
2GHG (gCO2e)
1.3Number of requests
21Page size (KB)
7DOM size
245- Average water consumption per 1,000 users: 20 liters, or 2 packs of mineral water.
- Average greenhouse gas (GHG) emissions per 1,000 users: 1.3 kilos CO2e, equivalent to a journey of 6 kms in a combustion-powered car.
Page 15 : blog
EcoIndex A
EcoIndex
86.6Water (cl)
1.9GHG (gCO2e)
1.3Number of requests
18Page size (KB)
6DOM size
195- Average water consumption per 1,000 users: 19 liters, or 2 packs of mineral water.
- Average greenhouse gas (GHG) emissions per 1,000 users: 1.3 kilos CO2e, equivalent to a journey of 6 kms in a combustion-powered car.
Page 16 : blog
EcoIndex A
EcoIndex
85.5Water (cl)
1.9GHG (gCO2e)
1.3Number of requests
17Page size (KB)
233DOM size
197- Average water consumption per 1,000 users: 19 liters, or 2 packs of mineral water.
- Average greenhouse gas (GHG) emissions per 1,000 users: 1.3 kilos CO2e, equivalent to a journey of 6 kms in a combustion-powered car.
Page 17 : tags
EcoIndex A
EcoIndex
86.4Water (cl)
1.9GHG (gCO2e)
1.3Number of requests
20Page size (KB)
9DOM size
190- Average water consumption per 1,000 users: 19 liters, or 2 packs of mineral water.
- Average greenhouse gas (GHG) emissions per 1,000 users: 1.3 kilos CO2e, equivalent to a journey of 6 kms in a combustion-powered car.
Page 18 : blog
EcoIndex B
EcoIndex
78.5Water (cl)
2.1GHG (gCO2e)
1.4Number of requests
21Page size (KB)
1210DOM size
230- Average water consumption per 1,000 users: 21 liters, or 2 packs of mineral water.
- Average greenhouse gas (GHG) emissions per 1,000 users: 1.4 kilos CO2e, equivalent to a journey of 6 kms in a combustion-powered car.
Page 19 : blog
EcoIndex B
EcoIndex
71.3Water (cl)
2.4GHG (gCO2e)
1.6Number of requests
17Page size (KB)
15957DOM size
208- Average water consumption per 1,000 users: 24 liters, or 3 packs of mineral water.
- Average greenhouse gas (GHG) emissions per 1,000 users: 1.6 kilos CO2e, equivalent to a journey of 7 kms in a combustion-powered car.
Page 20 : blog
EcoIndex A
EcoIndex
86.3Water (cl)
1.9GHG (gCO2e)
1.3Number of requests
17Page size (KB)
11DOM size
209- Average water consumption per 1,000 users: 19 liters, or 2 packs of mineral water.
- Average greenhouse gas (GHG) emissions per 1,000 users: 1.3 kilos CO2e, equivalent to a journey of 6 kms in a combustion-powered car.
Page 21 : tags
EcoIndex A
EcoIndex
86.9Water (cl)
1.9GHG (gCO2e)
1.3Number of requests
17Page size (KB)
9DOM size
190- Average water consumption per 1,000 users: 19 liters, or 2 packs of mineral water.
- Average greenhouse gas (GHG) emissions per 1,000 users: 1.3 kilos CO2e, equivalent to a journey of 6 kms in a combustion-powered car.
Page 22 : blog
EcoIndex A
EcoIndex
85.1Water (cl)
1.9GHG (gCO2e)
1.3Number of requests
21Page size (KB)
8DOM size
223- Average water consumption per 1,000 users: 19 liters, or 2 packs of mineral water.
- Average greenhouse gas (GHG) emissions per 1,000 users: 1.3 kilos CO2e, equivalent to a journey of 6 kms in a combustion-powered car.
Page 23 : apropos
EcoIndex C
EcoIndex
69.9Water (cl)
2.4GHG (gCO2e)
1.6Number of requests
24Page size (KB)
5630DOM size
237- Average water consumption per 1,000 users: 24 liters, or 3 packs of mineral water.
- Average greenhouse gas (GHG) emissions per 1,000 users: 1.6 kilos CO2e, equivalent to a journey of 7 kms in a combustion-powered car.
Page 24 : formulaire
EcoIndex A
EcoIndex
84.6Water (cl)
2GHG (gCO2e)
1.3Number of requests
19Page size (KB)
346DOM size
195- Average water consumption per 1,000 users: 20 liters, or 2 packs of mineral water.
- Average greenhouse gas (GHG) emissions per 1,000 users: 1.3 kilos CO2e, equivalent to a journey of 6 kms in a combustion-powered car.
Page 25 : expertise
EcoIndex C
EcoIndex
67Water (cl)
2.5GHG (gCO2e)
1.7Number of requests
24Page size (KB)
17300DOM size
294- Average water consumption per 1,000 users: 25 liters, or 3 packs of mineral water.
- Average greenhouse gas (GHG) emissions per 1,000 users: 1.7 kilos CO2e, equivalent to a journey of 8 kms in a combustion-powered car.
Page 26 : mentions
EcoIndex B
EcoIndex
73.1Water (cl)
2.3GHG (gCO2e)
1.5Number of requests
18Page size (KB)
2370DOM size
277- Average water consumption per 1,000 users: 23 liters, or 3 packs of mineral water.
- Average greenhouse gas (GHG) emissions per 1,000 users: 1.5 kilos CO2e, equivalent to a journey of 7 kms in a combustion-powered car.
Page 27 : categories
EcoIndex A
EcoIndex
87.2Water (cl)
1.9GHG (gCO2e)
1.3Number of requests
19Page size (KB)
4DOM size
171- Average water consumption per 1,000 users: 19 liters, or 2 packs of mineral water.
- Average greenhouse gas (GHG) emissions per 1,000 users: 1.3 kilos CO2e, equivalent to a journey of 6 kms in a combustion-powered car.
Page 28 : en
EcoIndex B
EcoIndex
78.6Water (cl)
2.1GHG (gCO2e)
1.4Number of requests
40Page size (KB)
441DOM size
241- Average water consumption per 1,000 users: 21 liters, or 2 packs of mineral water.
- Average greenhouse gas (GHG) emissions per 1,000 users: 1.4 kilos CO2e, equivalent to a journey of 6 kms in a combustion-powered car.
Page 29 : about depuis /en
EcoIndex A
EcoIndex
87.5Water (cl)
1.9GHG (gCO2e)
1.3Number of requests
18Page size (KB)
4DOM size
168- Average water consumption per 1,000 users: 19 liters, or 2 packs of mineral water.
- Average greenhouse gas (GHG) emissions per 1,000 users: 1.3 kilos CO2e, equivalent to a journey of 6 kms in a combustion-powered car.
Page 30 : contact depuis /en
EcoIndex A
EcoIndex
85.4Water (cl)
1.9GHG (gCO2e)
1.3Number of requests
21Page size (KB)
119DOM size
195- Average water consumption per 1,000 users: 19 liters, or 2 packs of mineral water.
- Average greenhouse gas (GHG) emissions per 1,000 users: 1.3 kilos CO2e, equivalent to a journey of 6 kms in a combustion-powered car.
Page 31 : expertise depuis /en
EcoIndex A
EcoIndex
85.2Water (cl)
1.9GHG (gCO2e)
1.3Number of requests
21Page size (KB)
199DOM size
190- Average water consumption per 1,000 users: 19 liters, or 2 packs of mineral water.
- Average greenhouse gas (GHG) emissions per 1,000 users: 1.3 kilos CO2e, equivalent to a journey of 6 kms in a combustion-powered car.
Page 32 : mentions depuis /en
EcoIndex A
EcoIndex
85.8Water (cl)
1.9GHG (gCO2e)
1.3Number of requests
19Page size (KB)
233DOM size
176- Average water consumption per 1,000 users: 19 liters, or 2 packs of mineral water.
- Average greenhouse gas (GHG) emissions per 1,000 users: 1.3 kilos CO2e, equivalent to a journey of 6 kms in a combustion-powered car.
Page 33 : tags depuis /en
EcoIndex A
EcoIndex
86.4Water (cl)
1.9GHG (gCO2e)
1.3Number of requests
17Page size (KB)
230DOM size
171- Average water consumption per 1,000 users: 19 liters, or 2 packs of mineral water.
- Average greenhouse gas (GHG) emissions per 1,000 users: 1.3 kilos CO2e, equivalent to a journey of 6 kms in a combustion-powered car.
Page 34 : categories depuis /en
EcoIndex A
EcoIndex
87.2Water (cl)
1.9GHG (gCO2e)
1.3Number of requests
19Page size (KB)
4DOM size
171- Average water consumption per 1,000 users: 19 liters, or 2 packs of mineral water.
- Average greenhouse gas (GHG) emissions per 1,000 users: 1.3 kilos CO2e, equivalent to a journey of 6 kms in a combustion-powered car.
Impact assessment for 1 user paths on the site
- Path objective: Represent a user's browsing experience
- Target path: Navigate through the entire site
| Date | Url | Number of requests | Page size (KB) | DOM size | GHG (gCO2e) | Water (cl) | EcoIndex | Note |
|---|---|---|---|---|---|---|---|---|
| 2024-05-21T19:42:05.300Z | /numerique-responsable | 20 | 299 | 1312 | 1.9 | 2.9 | 52.6 | D |
| 2024-05-21T19:42:05.300Z | / | 38 | 826 | 280 | 1.5 | 2.2 | 75.5 | B |
| 2024-05-21T19:42:05.300Z | /blog | 29 | 28473 | 424 | 1.8 | 2.7 | 60.6 | C |
| 2024-05-21T19:42:05.300Z | /blog | 19 | 237 | 195 | 1.3 | 1.9 | 85.2 | A |
| 2024-05-21T19:42:05.300Z | /tags/etude-de-cas | 17 | 10 | 210 | 1.3 | 1.9 | 86.2 | A |
| 2024-05-21T19:42:05.300Z | /tags/sensibilisation-climat | 19 | 9 | 191 | 1.3 | 1.9 | 86.5 | A |
| 2024-05-21T19:42:05.300Z | /tags | 19 | 5 | 185 | 1.3 | 1.9 | 86.8 | A |
| 2024-05-21T19:42:05.300Z | /blog | 18 | 7 | 217 | 1.3 | 1.9 | 85.8 | A |
| 2024-05-21T19:42:05.300Z | /tags/decryptage | 19 | 242 | 229 | 1.3 | 2 | 84 | A |
| 2024-05-21T19:42:05.300Z | /blog | 18 | 9 | 231 | 1.3 | 1.9 | 85.4 | A |
| 2024-05-21T19:42:05.300Z | /tags/label-rse | 17 | 9 | 199 | 1.3 | 1.9 | 86.6 | A |
| 2024-05-21T19:42:05.300Z | /blog | 19 | 238 | 200 | 1.3 | 1.9 | 85 | A |
| 2024-05-21T19:42:05.300Z | /tags/sensibilisation-rse | 17 | 10 | 208 | 1.3 | 1.9 | 86.3 | A |
| 2024-05-21T19:42:05.300Z | /blog | 21 | 7 | 245 | 1.3 | 2 | 84.3 | A |
| 2024-05-21T19:42:05.300Z | /blog | 18 | 6 | 195 | 1.3 | 1.9 | 86.6 | A |
| 2024-05-21T19:42:05.300Z | /blog | 17 | 233 | 197 | 1.3 | 1.9 | 85.5 | A |
| 2024-05-21T19:42:05.300Z | /tags | 20 | 9 | 190 | 1.3 | 1.9 | 86.4 | A |
| 2024-05-21T19:42:05.300Z | /blog | 21 | 1210 | 230 | 1.4 | 2.1 | 78.5 | B |
| 2024-05-21T19:42:05.300Z | /blog | 17 | 15957 | 208 | 1.6 | 2.4 | 71.3 | B |
| 2024-05-21T19:42:05.300Z | /blog | 17 | 11 | 209 | 1.3 | 1.9 | 86.3 | A |
| 2024-05-21T19:42:05.300Z | /tags | 17 | 9 | 190 | 1.3 | 1.9 | 86.9 | A |
| 2024-05-21T19:42:05.300Z | /blog | 21 | 8 | 223 | 1.3 | 1.9 | 85.1 | A |
| 2024-05-21T19:42:05.300Z | /apropos | 24 | 5630 | 237 | 1.6 | 2.4 | 69.9 | C |
| 2024-05-21T19:42:05.300Z | /formulaire | 19 | 346 | 195 | 1.3 | 2 | 84.6 | A |
| 2024-05-21T19:42:05.300Z | /expertise | 24 | 17300 | 294 | 1.7 | 2.5 | 67 | C |
| 2024-05-21T19:42:05.300Z | /mentions | 18 | 2370 | 277 | 1.5 | 2.3 | 73.1 | B |
| 2024-05-21T19:42:05.300Z | /categories | 19 | 4 | 171 | 1.3 | 1.9 | 87.2 | A |
| 2024-05-21T19:42:05.300Z | /en | 40 | 441 | 241 | 1.4 | 2.1 | 78.6 | B |
| 2024-05-21T19:42:05.300Z | /en/about | 18 | 4 | 168 | 1.3 | 1.9 | 87.5 | A |
| 2024-05-21T19:42:05.300Z | /en/contact | 21 | 119 | 195 | 1.3 | 1.9 | 85.4 | A |
| 2024-05-21T19:42:05.300Z | /en/expertise | 21 | 199 | 190 | 1.3 | 1.9 | 85.2 | A |
| 2024-05-21T19:42:05.300Z | /en/mentions | 19 | 233 | 176 | 1.3 | 1.9 | 85.8 | A |
| 2024-05-21T19:42:05.300Z | /en/tags | 17 | 230 | 171 | 1.3 | 1.9 | 86.4 | A |
| 2024-05-21T19:42:05.300Z | /en/categories | 19 | 4 | 171 | 1.3 | 1.9 | 87.2 | A |
- Average water consumption per 1,000 users: 693.9 liters, or 77 packs of mineral water.
- Average greenhouse gas (GHG) emissions per 1,000 users: 46.8 kilos CO2e, equivalent to a journey of 217 kms in a combustion-powered car.
Ecodesign
Ecodesign is based on a methodology and a set of best practices designed to reduce the impact of a website on its environment. In concrete terms, this means limiting the technical resources required to display a page or execute a function, while staying as close as possible to the user's needs.
Are you a digital professional looking to reduce the environmental impact of your sites? Here are a few best practices to implement:
Best practices in ergonomics and design
- Limit the number of features at the design stage
- Delete unused functions
- Limit the number of carousels
- Choose lightweight typefaces
- Favour simple, uncluttered designs
- Adopt a mobile-first approach whenever possible
- Prefer pagination to infinite scrolling
- Avoid automatic playback and loading of videos and sounds
- Optimizing user paths
- ...
Best practices in content management
- Choose images over videos
- Limit the number of images on each page
- Optimize image size for target format
- Compress images using a tool such as TinyPNG.
- Compress pdfs using a tool such as iLovePDF.
- Limiting the use of animated GIFs
- Prefer glyphs to images
- ...
Some good development practices
- Offer asynchronous treatment whenever possible
- Use only the essential portions of the JS and CSS libraries
- Cache frequently used calculated data
- Limit the number of calls to HTTP APIs
- Reduce the volume of stored data to the bare minimum
- Use the most recent version of the language
- Provide a text-based alternative to multimedia content
- Cutting CSS
- Do not modify the DOM when traversing it
- Use lazy loading ( lazyload)
- Validate pages with the W3C.
- Add Expires or Cache-Control headers
- Compressing text files: CSS, JS, HTML and SVG
- Setting up an efficient sitemap
- ...
- Choosing an eco-responsible web host
- Install the minimum server requirements
- Rely on managed services
- Optimizing server energy efficiency
- Reduce server logs to a minimum
- Apache Vhost: disable AllowOverride.
- Use virtualized servers
- Using an asynchronous server
- Store data in the cloud
- ...
To set up your environmental declaration :
To consult the complete list of ecodesign best practices, click here:
Access the GreenIt repository (GitHub)
Find out more about EcoIndex :
Find out more about the EcoIndex reference system
*Average environmental impact of the 5 most visited pages on this website.