Contact

1. Oct 2026

First measured October 2026.

1. Toast Electric, 0.78 MB
2. Electric Kiwi, 1.55 MB
3. Powershop, 1.57 MB
4. Meridian, 1.63 MB
5. Contact, 1.68 MB
6. Octopus Energy, 1.74 MB
7. Lodestone, 1.78 MB
8. Ecotricity, 2.01 MB
9. Grey Power Electricity, 2.32 MB
10. Genesis, 2.96 MB
11. Pulse, 3.75 MB
12. Nova, 3.93 MB
13. Mercury, 7.18 MB

1. B
2. D
3. D
4. D
5. D
6. D
7. D
8. E
9. E
10. F
11. F
12. F
13. G

LightestHeaviest

• Contact

• Phone

  2.6 MB

• Laptop

  4.9 MB

First visitiReturningi

1. Homepage

   /

   First visit

   Phone 2.6 MB

   Laptop 4.9 MB

   Returning

   Phone at least 0.65 MB

   Laptop at least 0.65 MB

2. Plans

   /personal/all-plans

   First visit

   Phone 2.9 MB

   Laptop 5.0 MB

   Returning

   Phone at least 0.74 MB

   Laptop at least 0.72 MB

3. Moving house

   /personal/electricity/moving-house

   First visit

   Phone 2.2 MB

   Laptop 2.1 MB

   Returning

   Phone 0.39 MB

   Laptop 0.31 MB

4. Power outages

   /support/faults-and-outages

   First visit

   Phone 1.9 MB

   Laptop 1.9 MB

   Returning

   Phone at least 0.13 MB

   Laptop at least 0.14 MB

5. Contact

   /support/contact-us

   First visit

   Phone 1.8 MB

   Laptop 1.8 MB

   Returning

   Phone at least 0.02 MB

   Laptop at least 0.02 MB

• Contact’s own files

  This website

  1.8 MB68%

• Google Tag Manager

  Tag manager

  0.32 MB12%

• Facebook

  Advertising and social

  0.28 MB10%

• Snapchat

  Analytics

  0.05 MB2%

• 5 more companies

  Google Fonts, Hosting and delivery, 0.04 MB
  Clarity, Utility, 0.03 MB
  reddit, Advertising and social, 0.02 MB
  Teads, Advertising and social, 0.02 MB
  The Trade Desk, Advertising and social, 0.01 MB

  0.11 MB4%

• Unknown source

  0.08 MB3%

• Scripts

  1.5 MB

• Images

  1.0 MB

• Fonts

  0.04 MB

• Styles

  0.02 MB

• Other

  0.01 MB

1. Image · Contact

   Oscar-KV-vaccuming-HB-2000x640-d.png

   Homepage and 1 more

   2.5 MB

2. Image · Contact

   Oscar-KV-vaccuming-HB-600x240-m.png

   Homepage and 1 more

   0.36 MB

3. Image · Contact

   Contact-Mobile-v2.png

   Homepage

   0.30 MB

4. Script · Contact

   gtm.js

   Every page

   0.24 MB

5. Script · Contact

   gtmss.contact.co.nz/gtag/js

   Every page

   0.23 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

   Resize 9 images to the size screens show them

   Every page · Contact

   at least 1.2 MB

2. Choice

   Check every marketing tag still earns its place: 7 companies

   Every page · several companies

   up to 0.34 MB

3. Fix

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

   Every page · Contact

   up to 0.16 MB

4. Fix

   Compress 9 of your own text files

   Every page · Contact

   up to 0.06 MB

If this website had 100,000 page views a year, they would cause about 15 kg of carbon emissions.

Built to grade A (under 0.53 MB a page), the same page views would cause about 4.8 kg.

A grade C badge needs a typical page under 1.41 MB. Contact’s is 1.68 MB.