SuperLife

1. Oct 2026

First measured October 2026.

1. Smart, 1.02 MB
2. Booster, 1.10 MB
3. SuperLife, 1.46 MB
4. Kōura, 1.50 MB
5. AMP, 1.99 MB
6. Kernel, 2.04 MB
7. Fisher Funds, at least 2.19 MB
8. Hatch, 2.23 MB
9. Craigs, 2.23 MB
10. Forsyth Barr, 2.50 MB
11. Pathfinder, 2.51 MB
12. Sharesies, 3.41 MB
13. Simplicity, at least 3.78 MB
14. InvestNow, 3.84 MB
15. Generate, 4.26 MB
16. Milford, 6.26 MB
17. NZ Funds, 6.53 MB
18. Pie Funds, at least 8.32 MB

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

LightestHeaviest

• SuperLife

• Phone

  1.82 MB

• Laptop

  2.02 MB

First pageiLater pagei

1. Homepage

   /

   First page

   Phone 1.82 MB

   Laptop 2.02 MB

   Later page

   Phone 0.47 MB

   Laptop 0.67 MB

2. Investing

   /kiwisaver-home/about-kiwisaver

   First page

   Phone 2.59 MB

   Laptop 2.95 MB

   Later page

   Phone 1.23 MB

   Laptop 1.60 MB

3. Performance

   /kiwisaver-home/ks-returns-and-fees/

   First page

   Phone 1.24 MB

   Laptop 1.22 MB

   Later page

   Phone 0.02 MB

   Laptop 0.02 MB

4. Help

   /resources/faqs

   First page

   Phone 1.34 MB

   Laptop 1.34 MB

   Later page

   Phone 0.12 MB

   Laptop 0.12 MB

5. Contact

   /about/contact-us

   First page

   Phone 1.66 MB

   Laptop 1.63 MB

   Later page

   Phone 0.37 MB

   Laptop 0.37 MB

• SuperLife’s own files

  This website

  0.96 MB53%

• Google Tag Manager

  Tag manager

  0.69 MB38%

• Facebook

  Advertising and social

  0.15 MB8%

• LinkedIn Ads

  Advertising and social

  0.02 MB1%

• Hotjar

  Analytics

  0.01 MB0%

• Scripts

  1.15 MB

• Images

  0.60 MB

• Styles

  0.04 MB

• Fonts

  0.02 MB

• Other

  0.01 MB

1. Image · SuperLife

   hero_banner_image.jpg

   Investing

   0.36 MB

2. Script · Google reCAPTCHA

   recaptcha__en.js

   Contact

   0.36 MB

3. Image · SuperLife

   slks_home_join_section_banner.png

   Homepage

   0.30 MB

4. Script · SuperLife

   main-bundle.js

   Every page

   0.25 MB

5. Image · SuperLife

   fund-option_02.jpg

   Investing

   0.24 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. Choice

   Google reCAPTCHA: you choose whether it loads

   Contact · Google reCAPTCHA Laptop

   Saves most on the Contact page

   0.19 MB

2. Fix

   Compress 12 images that are already the right size

   Homepage and 2 more · SuperLife Laptop

   Homepage, Investing, Help

   Saves most on the Investing page

   at least 0.14 MB

3. Fix

   Compress 9 of your own text files

   Every page · SuperLife

   Saves this on every page

   up to 0.14 MB

4. Choice

   Check every marketing tag still earns its place: 4 companies

   Every page · several companies

   Saves this on every page

   up to 0.14 MB

5. Fix

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

   Every page · SuperLife

   Saves this on every page

   up to 0.11 MB

6. Fix

   Resize and compress 6 images to the size screens show them

   Every page · SuperLife Laptop

   Saves this on every page

   at least 0.07 MB

If this website had 100,000 page views a year, they would cause about 13 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. SuperLife’s is 1.46 MB.