Christchurch City Council

1. Oct 2026

First measured October 2026.

1. Kāpiti Coast District Council, 1.23 MB
2. Waimakariri District Council, 1.26 MB
3. Hamilton City Council, 1.59 MB
4. Hutt City Council, 1.61 MB
5. Whangārei District Council, 1.92 MB
6. Invercargill City Council, 2.11 MB
7. Tauranga City Council, 2.12 MB
8. Auckland Council, 2.24 MB
9. Far North District Council, 2.32 MB
10. Western Bay of Plenty District Council, 2.34 MB
11. Christchurch City Council, at least 2.54 MB
12. Dunedin City Council, 2.65 MB
13. Waikato District Council, at least 2.77 MB
14. Palmerston North City Council, at least 2.78 MB
15. Rotorua Lakes Council, 3.13 MB
16. Napier City Council, 3.56 MB
17. Nelson City Council, 3.86 MB
18. Selwyn District Council, 5.98 MB
19. New Plymouth District Council, 6.29 MB

1. C
2. C
3. D
4. D
5. E
6. E
7. E
8. E
9. E
10. E
11. F
12. F
13. F
14. F
15. F
16. F
17. F
18. G
19. G

LightestHeaviest

• Christchurch City Council

• Phone

  3.25 MB

• Laptop

  3.64 MB

First pageiLater pagei

1. Homepage

   /

   First page

   Phone 3.25 MB

   Laptop 3.64 MB

   Later page

   Phone 1.01 MB

   Laptop at least 1.68 MB

2. Rubbish and recycling

   /services/rubbish-and-recycling

   First page

   Phone 2.85 MB

   Laptop 2.52 MB

   Later page

   Phone 0.59 MB

   Laptop 0.58 MB

3. Rates

   /services/rates-and-valuations

   First page

   Phone 2.75 MB

   Laptop 2.43 MB

   Later page

   Phone 0.06 MB

   Laptop 0.03 MB

4. Building consents

   /consents-and-licences/building-consents

   First page

   Phone 3.45 MB

   Laptop 3.12 MB

   Later page

   Phone 0.73 MB

   Laptop 0.73 MB

5. Contact

   /contact-us

   First page

   Phone 3.76 MB

   Laptop 3.63 MB

   Later page

   Phone 0.81 MB

   Laptop 1.05 MB

• Christchurch City Council’s own files

  This website

  2.01 MB62%

• Google Tag Manager

  Tag manager

  0.69 MB21%

• Facebook

  Advertising and social

  0.21 MB7%

• Qualtrics

  Analytics

  0.14 MB4%

• 4 more companies

  Google Fonts, Hosting and delivery, 0.09 MB
  JSDelivr CDN, Hosting and delivery, 0.02 MB
  The Trade Desk, Advertising and social, 0.02 MB
  Google/Doubleclick Ads, Advertising and social, 0.01 MB

  0.14 MB4%

• Unknown source

  0.06 MB2%

• Fonts

  1.50 MB

• Scripts

  1.20 MB

• Images

  0.42 MB

• Styles

  0.11 MB

• Other

  0.03 MB

1. Font · Christchurch City Council

   fa-duotone-900.woff2

   Homepage

   0.47 MB

2. Font · Christchurch City Council

   fa-light-300.woff2

   Every page

   0.47 MB

3. Image · Christchurch City Council

   Building-Consents-branding_Web-banner.png

   Building consents

   0.45 MB

4. Font · Christchurch City Council

   fa-solid-900.woff2

   Every page

   0.35 MB

5. Script · Christchurch City Council

   esri-leaflet-vector.js

   Contact

   0.21 MB

Fix

Nothing a visitor would notice

Choice

Removes or delays something

Worked out on a phone and a laptop. The icons show where each saving applies.

1. Fix

   Cut 4 fonts down to the characters used

   Every page · Christchurch City Council Phone

   Saves this on every page

   up to 1.16 MB

2. Choice

   Check every marketing tag still earns its place: 5 companies

   Every page · several companies Phone

   Saves this on every page

   up to 0.30 MB

3. Choice

   JSDelivr CDN: you choose whether it loads

   Every page · JSDelivr CDN Phone

   Saves this on every page

   up to 0.17 MB

4. Fix

   Resize and compress 1 image to the size screens show them

   Building consents · Christchurch City Council Phone

   Saves most on the Building consents page

   0.17 MB

5. Fix

   Compress 21 images that are already the right size

   Rubbish and recycling and 3 more · Christchurch City Council Phone

   Rubbish and recycling, Rates, Building consents, Contact

   Saves most on the Building consents page

   up to 0.15 MB

6. Fix

   Ship less of your own code: scripts and styles that did not run while the homepage loaded

   Every page · Christchurch City Council Phone

   Saves this on every page

   up to 0.12 MB

If this website had 100,000 page views a year, they would cause about 23 kg of carbon emissions.

Built to grade A (an average page view of 0.53 MB or less), the same page views would cause about 4.8 kg.

A grade C badge needs an average page view of 1.41 MB or less. Christchurch City Council’s is at least 2.54 MB.