Kernel

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

• Kernel

• Phone

  2.61 MB

• Laptop

  3.19 MB

First pageiLater pagei

1. Homepage

   /

   Video: 0.54 MB, counted in the weight.

   First page

   Phone 2.61 MB

   Laptop 3.19 MB

   Later page

   Phone 0.95 MB

   Laptop 1.18 MB

2. Investing

   /kiwisaver

   First page

   Phone 2.82 MB

   Laptop 4.12 MB

   Later page

   Phone 1.01 MB

   Laptop 2.16 MB

3. Performance

   /resources/fund-updates

   First page

   Phone 1.74 MB

   Laptop 2.09 MB

   Later page

   Phone 0.05 MB

   Laptop 0.11 MB

4. Help

   /learn

   First page

   Phone 2.20 MB

   Laptop 2.53 MB

   Later page

   Phone 0.52 MB

   Laptop 0.60 MB

5. Contact

   /contact

   First page

   Phone 1.69 MB

   Laptop 1.94 MB

   Later page

   Phone 0.02 MB

   Laptop 0.03 MB

• Kernel’s own files

  This website

  1.87 MB72%

• Google Tag Manager

  Tag manager

  0.57 MB22%

• Facebook

  Advertising and social

  0.15 MB6%

• Unknown source

  0.02 MB1%

• Scripts

  1.33 MB

• Images

  0.47 MB

• Video

  0.40 MB

• Fonts

  0.29 MB

• Other

  0.08 MB

• Styles

  0.02 MB

1. Image · Kernel

   kernelwealth.co.nz/_next/image (url=%2F_next%2Fstatic%2Fmedia%2Fhero-2.3)

   Investing

   0.71 MB

2. Image · Kernel

   kernelwealth.co.nz/_next/image (url=%2F_next%2Fstatic%2Fmedia%2Fhero-3.a)

   Investing

   0.50 MB

3. Image · Kernel

   kernelwealth.co.nz/_next/image (url=%2F_next%2Fstatic%2Fmedia%2Fhero-1.8)

   Investing

   0.45 MB

4. Image · Kernel

   kernelwealth.co.nz/_next/image (url=%2F_next%2Fstatic%2Fmedia%2Fmobile-f)

   Investing

   0.42 MB

5. Image · Kernel

   kernelwealth.co.nz/_next/image (url=https%3A%2F%2Fcdn.sanity.io%2Fimages)

   Homepage

   0.36 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 and compress 9 images to the size screens show them

   Homepage and 2 more · Kernel

   Homepage, Investing, Help

   Saves most on the Investing page

   at least 0.96 MB

2. Fix

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

   Every page · Kernel

   Saves this on every page

   up to 0.38 MB

3. Fix

   Cut 6 fonts down to the characters used

   Every page · Kernel

   Saves this on every page

   up to 0.15 MB

4. Choice

   Check every marketing tag still earns its place: 3 companies

   Every page · Facebook, Google/Doubleclick Ads, Mixpanel

   Saves this on every page

   up to 0.12 MB

5. Fix

   Compress 5 images that are already the right size

   Homepage and 1 more · Kernel Phone

   Homepage, Help

   Saves most on the homepage

   at least under 0.01 MB

If this website had 100,000 page views a year, they would cause about 18 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. Kernel’s is 2.04 MB.