URL: https://www.oxford.gov.uk/
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CO2 estimate Page size
2022 2023 2024 2025 CO2 / grams 0 1 0.5 11 March 2021:
0.42 grams of CO2 27 May 2021:
0.55 grams of CO2 30 June 2021:
0.56 grams of CO2 29 July 2021:
0.54 grams of CO2 31 August 2021:
0.38 grams of CO2 6 October 2021:
0.40 grams of CO2 2 November 2021:
0.39 grams of CO2 8 December 2021:
0.42 grams of CO2 4 January 2022:
0.42 grams of CO2 1 February 2022:
0.29 grams of CO2 1 March 2022:
0.34 grams of CO2 6 April 2022:
0.30 grams of CO2 5 May 2022:
0.30 grams of CO2 8 June 2022:
0.32 grams of CO2 21 July 2022:
0.33 grams of CO2 24 August 2022:
0.61 grams of CO2 4 October 2022:
0.42 grams of CO2 1 November 2022:
0.32 grams of CO2 1 December 2022:
0.16 grams of CO2 3 January 2023:
0.16 grams of CO2 7 February 2023:
0.15 grams of CO2 2 March 2023:
0.16 grams of CO2 5 April 2023:
0.17 grams of CO2 2 May 2023:
0.17 grams of CO2 13 June 2023:
0.23 grams of CO2 11 July 2023:
0.23 grams of CO2 8 August 2023:
0.20 grams of CO2 19 September 2023:
0.19 grams of CO2 11 October 2023:
0.32 grams of CO2 7 November 2023:
0.36 grams of CO2 5 December 2023:
0.28 grams of CO2 9 January 2024:
0.48 grams of CO2 7 February 2024:
0.51 grams of CO2 12 March 2024:
0.75 grams of CO2 11 April 2024:
0.89 grams of CO2 7 May 2024:
0.89 grams of CO2 11 June 2024:
0.95 grams of CO2 9 July 2024:
0.95 grams of CO2 7 August 2024:
0.81 grams of CO2 26 September 2024:
1.06 grams of CO2 16 October 2024:
0.70 grams of CO2 7 November 2024:
0.70 grams of CO2 10 December 2024:
0.51 grams of CO2 7 January 2025:
1.07 grams of CO2 11 February 2025:
0.38 grams of CO2 5 March 2025:
0.37 grams of CO2
2022 2023 2024 2025 Size / MB 0 2 4 27 May 2021:
1.0MB 30 June 2021:
1.0MB 29 July 2021:
1.0MB 31 August 2021:
0.7MB 6 October 2021:
0.7MB 2 November 2021:
0.7MB 8 December 2021:
0.8MB 4 January 2022:
0.8MB 1 February 2022:
0.5MB 1 March 2022:
0.6MB 6 April 2022:
0.5MB 5 May 2022:
0.5MB 8 June 2022:
0.6MB 21 July 2022:
0.6MB 24 August 2022:
1.1MB 4 October 2022:
0.8MB 1 November 2022:
1.3MB 1 December 2022:
0.6MB 3 January 2023:
0.7MB 7 February 2023:
0.6MB 2 March 2023:
0.6MB 5 April 2023:
0.7MB 2 May 2023:
0.7MB 13 June 2023:
0.9MB 11 July 2023:
0.9MB 8 August 2023:
0.8MB 19 September 2023:
0.7MB 11 October 2023:
1.3MB 7 November 2023:
1.4MB 5 December 2023:
1.1MB 9 January 2024:
1.9MB 7 February 2024:
2.0MB 12 March 2024:
3.0MB 11 April 2024:
3.5MB 7 May 2024:
3.5MB 11 June 2024:
3.8MB 9 July 2024:
3.8MB 7 August 2024:
3.2MB 26 September 2024:
4.2MB 16 October 2024:
2.8MB 7 November 2024:
2.8MB 10 December 2024:
2.0MB 7 January 2025:
4.3MB 11 February 2025:
1.5MB 5 March 2025:
1.5MB
Date checked CO2 / grams Rating Page size Energy 2025-03-05 0.37 C 1.5MB GRID? 2025-02-11 0.38 C 1.5MB GRID? 2025-01-07 1.07 F 4.3MB GRID? 2024-12-10 0.51 D 2.0MB GRID? 2024-11-07 0.70 E 2.8MB GRID? 2024-10-16 0.70 E 2.8MB GRID? 2024-09-26 1.06 F 4.2MB GRID? 2024-08-07 0.81 E 3.2MB GRID? 2024-07-09 0.95 F 3.8MB GRID? 2024-06-11 0.95 F 3.8MB GRID? 2024-05-07 0.89 F 3.5MB GRID? 2024-04-11 0.89 F 3.5MB GRID? 2024-03-12 0.75 E 3.0MB GRID? 2024-02-07 0.51 D 2.0MB GRID? 2024-01-09 0.48 C 1.9MB GRID? 2023-12-05 0.28 B 1.1MB GRID? 2023-11-07 0.36 C 1.4MB GRID? 2023-10-11 0.32 B 1.3MB GRID? 2023-09-19 0.19 B 745kB GRID? 2023-08-08 0.20 B 777kB GRID? 2023-07-11 0.23 B 903kB GRID? 2023-06-13 0.23 B 904kB GRID? 2023-05-02 0.17 A 670kB GRID? 2023-04-05 0.17 A 668kB GRID? 2023-03-02 0.16 A 640kB GRID? 2023-02-07 0.15 A 610kB GRID? 2023-01-03 0.16 A 651kB GRID? 2022-12-01 0.16 A 645kB GRID? 2022-11-01 0.32 B 1.3MB GRID? 2022-10-04 0.42 C 770kB GREEN 2022-08-24 0.61 D 1.1MB GREEN 2022-07-21 0.33 B 611kB GREEN 2022-06-08 0.32 B 592kB GREEN 2022-05-05 0.30 B 541kB GREEN 2022-04-06 0.30 B 541kB GREEN 2022-03-01 0.34 B 622kB GREEN 2022-02-01 0.29 B 524kB GREEN 2022-01-04 0.42 C 777kB GREEN 2021-12-08 0.42 C 775kB GREEN 2021-11-02 0.39 C 707kB GREEN 2021-10-06 0.40 C 723kB GREEN 2021-08-31 0.38 C 690kB GREEN 2021-07-29 0.54 D 981kB GREEN 2021-06-30 0.56 D 1.0MB GREEN 2021-05-27 0.55 D 1.0MB GREEN 2021-03-11 0.42 C GRID?
Tip: Optimise images
Website_homepage_ban... is 310kBCopy_of_New_website_... is 198kBCopy_of_New_website_... is 176kBAHLM_house.jpg is 146kB
First, check that images are appropriately sized - you most likely don't need a 6000x4000 pixel image straight from a digital camera. In Windows, the Photos software will let you quickly shrink huge images and will give you an improvement.
Next you could try using tinyjpg.com (JPG image) or tinypng.com (PNG image) to further optimise your image. This will strip out metadata that may be taking up lots of space.
*This is an estimate from Google PageSpeed and you may get much better results than this in practice.
Tip: Limit third-party code
Here are the largest sources of third-party code:
Google CDN uses 31kB Google Tag Manager uses 94kB Optanon uses 176kB
Third-party code can significantly impact load performance. Limit the number of redundant third-party providers and try to load third-party code after your page has primarily finished loading.
