University of Otago

1. Oct 2026

First measured October 2026.

1. Massey, 1.28 MB
2. University of Waikato, 2.24 MB
3. University of Otago, at least 3.62 MB
4. Lincoln University, 3.85 MB
5. AUT, 4.47 MB
6. University of Auckland, 6.31 MB
7. Victoria University, 6.90 MB
8. University of Canterbury, 10.66 MB

1. C
2. E
3. F
4. F
5. F
6. G
7. G
8. G

LightestHeaviest

• University of Otago

• Phone

  5.33 MB

• Laptop

  5.44 MB

First pageiLater pagei

1. Homepage

   /

   First page

   Phone 5.33 MB

   Laptop 5.44 MB

   Later page

   Phone 2.21 MB

   Laptop at least 2.50 MB

2. Study

   /study

   First page

   Phone 3.76 MB

   Laptop 3.57 MB

   Later page

   Phone 0.64 MB

   Laptop 0.63 MB

3. International

   /international

   First page

   Phone 5.66 MB

   Laptop 5.40 MB

   Later page

   Phone 2.49 MB

   Laptop 2.41 MB

4. Fees

   /study/fees

   First page

   Phone 3.77 MB

   Laptop 3.59 MB

   Later page

   Phone 0.59 MB

   Laptop 0.59 MB

5. Contact

   /contacts

   First page

   Phone 3.76 MB

   Laptop 3.57 MB

   Later page

   Phone 0.60 MB

   Laptop 0.60 MB

• University of Otago’s own files

  This website

  4.07 MB76%

• Google Tag Manager

  Tag manager

  0.51 MB9%

• Facebook

  Advertising and social

  0.23 MB4%

• TikTok

  Advertising and social

  0.16 MB3%

• 4 more companies

  Snapchat, Analytics, 0.05 MB
  jQuery CDN, Hosting and delivery, 0.03 MB
  Clarity, Utility, 0.03 MB
  Google Fonts, Hosting and delivery, 0.02 MB

  0.13 MB2%

• Unknown source

  0.25 MB5%

• Scripts

  2.81 MB

• Images

  1.61 MB

• Other

  0.66 MB

• Styles

  0.15 MB

• Fonts

  0.09 MB

1. Script · University of Otago

   main.js

   Every page

   1.61 MB

2. Script · Unknown source

   main.90bd056b587d716a95e2.js

   International

   0.83 MB

3. Script · Unknown source

   main.6173cf4b07c1229cd968.js

   International

   0.83 MB

4. Script · Unknown source

   main.62fc6a50fd5c0d67b738.js

   International

   0.81 MB

5. Image · University of Otago

   Homepage-banner-Feb-2026.jpg

   Homepage

   0.63 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 10 images to the size screens show them

   Every page · University of Otago Phone

   Saves this on every page

   up to 0.57 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 0.39 MB

3. Fix

   Compress 8 images that are already the right size

   Every page · University of Otago Phone

   Saves this on every page

   up to 0.21 MB

4. Fix

   Send next pages as differences from the last one (shared compression dictionaries), in Chrome, Edge and other Chromium browsers. Safari and Firefox do not support it yet.

   Study and 3 more · University of Otago Phone

   Study, International, Fees, Contact

   Saves most on the Fees page

   up to 0.15 MB

5. Fix

   Compress 6 of your own text files

   Every page · University of Otago Phone

   Saves this on every page

   up to 0.08 MB

6. Choice

   Google Fonts: you choose whether it loads

   Every page · Google Fonts Phone

   Saves this on every page

   up to 0.05 MB

If this website had 100,000 page views a year, they would cause about 33 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. University of Otago’s is at least 3.62 MB.