Hertfordshire County Council - `E06000019`ACTIVE

Emissions

URL: https://www.hertfordshire.gov.uk/

Time to load: 2.7 seconds

Date checked	CO2 / grams	Rating	Page size	Energy
2024-04-11	0.49	C	1.9MB	GRID?
2024-03-12	0.52	D	2.1MB	GRID?
2024-02-07	0.58	D	2.3MB	GRID?
2024-01-09	0.55	D	2.2MB	GRID?
2023-12-05	0.46	C	1.8MB	GRID?
2023-11-07	0.67	E	2.7MB	GRID?
2023-10-11	0.50	D	2.0MB	GRID?
2023-09-19	0.48	C	1.9MB	GRID?
2023-08-08	0.58	D	2.3MB	GRID?
2023-07-11	0.58	D	2.3MB	GRID?
2023-06-13	0.62	D	2.5MB	GRID?
2023-05-02	0.75	E	3.0MB	GRID?
2023-04-05	0.76	E	3.0MB	GRID?
2023-03-02	0.75	E	3.0MB	GRID?
2023-02-07	0.74	E	3.0MB	GRID?
2023-01-03	0.66	E	2.6MB	GRID?
2022-12-01	0.67	E	2.6MB	GRID?
2022-11-01	0.69	E	2.7MB	GRID?
2022-10-04	1.87	F	3.1MB	GRID?
2022-08-24	1.74	F	2.9MB	GRID?
2022-07-21	1.61	F	2.7MB	GRID?
2022-06-08	1.57	F	2.6MB	GRID?
2022-05-05	1.59	F	2.6MB	GRID?
2022-04-06	1.63	F	2.7MB	GRID?
2022-03-01	1.69	F	2.8MB	GRID?
2022-02-01	1.43	F	2.4MB	GRID?
2022-01-04	1.35	F	2.2MB	GRID?
2021-12-08	1.75	F	2.9MB	GRID?
2021-11-02	10.69	F	17.7MB	GRID?
2021-10-06	9.71	F	16.1MB	GRID?
2021-08-31	1.79	F	3.0MB	GRID?
2021-07-29	1.38	F	2.3MB	GRID?
2021-06-30	1.35	F	2.2MB	GRID?
2021-05-27	1.87	F	3.1MB	GRID?
2021-03-10	1.89	F		GRID?

Tip: Optimise images

We estimate potential to save at least 26kB* by optimising images:

hertfordshire-bg.jpg is 262kB
Mystery-woman-carous... is 197kB
registrations-2-flip... is 44kB and could be 26kB smaller

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: Large files

Aside from images, here are the biggest resources:

gtm.js?id=GTM-NKLRLCW is 104kB
js?id=G-WSCQ6BK6X0&l=dataLayer... is 103kB
cookieControl-9.x.min.js?build... is 95kB
search-script.js?build=155142 is 76kB
m=el_main is 74kB
vendor.all.min.js?version=1381... is 65kB
home.aspx is 62kB
FSLolaWeb-Bold.woff is 62kB

Tip: Limit third-party code

Here are the largest sources of third-party code:

Google Tag Manager uses 208kB
Civic uses 96kB
Other Google APIs/SDKs uses 108kB
Google Fonts uses 97kB
Cludo uses 76kB

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.