9.5 sec in total
743 ms
8 sec
783 ms
Welcome to marine.ac.nz homepage info - get ready to check Marine best content right away, or after learning these important things about marine.ac.nz
We provide a window into marine research at the University of Otago. The Centre showcases local marine life and offers marine education programmes for all ages.
Visit marine.ac.nzWe analyzed Marine.ac.nz page load time and found that the first response time was 743 ms and then it took 8.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 85% of websites can load faster.
marine.ac.nz performance score
name
value
score
weighting
Value6.6 s
2/100
10%
Value8.7 s
1/100
25%
Value14.4 s
1/100
10%
Value9,720 ms
0/100
30%
Value0.011
100/100
15%
Value19.2 s
2/100
10%
743 ms
897 ms
442 ms
228 ms
1869 ms
Our browser made a total of 81 requests to load all elements on the main page. We found that 1% of them (1 request) were addressed to the original Marine.ac.nz, 78% (63 requests) were made to Otago.ac.nz and 6% (5 requests) were made to Cdnjs.cloudflare.com. The less responsive or slowest element that took the longest time to load (1.9 sec) relates to the external source Otago.ac.nz.
Page size can be reduced by 132.7 kB (25%)
532.4 kB
399.7 kB
In fact, the total size of Marine.ac.nz main page is 532.4 kB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 60% of websites need less resources to load. Images take 420.9 kB which makes up the majority of the site volume.
Potential reduce by 24.8 kB
HTML content can be minified and compressed by a website’s server. The most efficient way is to compress content using GZIP which reduces data amount travelling through the network between server and browser. This page needs HTML code to be minified as it can gain 4.9 kB, which is 15% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 24.8 kB or 77% of the original size.
Potential reduce by 96.4 kB
Image size optimization can help to speed up a website loading time. The chart above shows the difference between the size before and after optimization. Obviously, Marine needs image optimization as it can save up to 96.4 kB or 23% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 4.2 kB
It’s better to minify JavaScript in order to improve website performance. The diagram shows the current total size of all JavaScript files against the prospective JavaScript size after its minification and compression. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 4.2 kB or 11% of the original size.
Potential reduce by 7.4 kB
CSS files minification is very important to reduce a web page rendering time. The faster CSS files can load, the earlier a page can be rendered. Marine.ac.nz needs all CSS files to be minified and compressed as it can save up to 7.4 kB or 18% of the original size.
Number of requests can be reduced by 38 (54%)
71
33
The browser has sent 71 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Marine. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 18 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.
marine.ac.nz
743 ms
897 ms
442 ms
228 ms
index.html
1869 ms
sitenavigationfunctions.js
231 ms
sitenavigation.js
451 ms
wcm.toggle.js
662 ms
ssajax.js
677 ms
global.css
1177 ms
jquery-ui.min.css
38 ms
mobile_navigation.css
662 ms
marine-studies.css
675 ms
jquery.min.js
44 ms
jquery-migrate.min.js
65 ms
modernizr.min.js
55 ms
jquery-ui.min.js
57 ms
general.min.js
674 ms
navigation_slider_and_flyouts.min.js
901 ms
mobile_navigation.min.js
901 ms
translate_footer.min.js
902 ms
gtm.js
62 ms
analytics.js
51 ms
js
69 ms
linkid.js
28 ms
collect
556 ms
collect
533 ms
collect
216 ms
collect
192 ms
background.png
387 ms
emergency-icon.svg
391 ms
sprite-nav.png
388 ms
logo.png
388 ms
flyout_right_background.png
373 ms
banner.jpg
462 ms
site-border-bg.png
519 ms
sprite-search.png
511 ms
title-2019.png
512 ms
otago059387.jpg
524 ms
arrow-grey-forward.svg
518 ms
sprite-socialmedia-icons.png
681 ms
otago059385.jpg
727 ms
otago059386.jpg
730 ms
otago0232610.png
1375 ms
otago840844.png
994 ms
otago841305.png
734 ms
circle-white-arrow-forward.svg
899 ms
bg-footer.png
940 ms
bg-footer-li.png
942 ms
translate-icon.png
947 ms
bg-footer-totop.png
1112 ms
kowhaiwhai-head.png
1160 ms
mnu-logo-grey-frontpage.png
1163 ms
qs-stars-grey-logo-2021.png
1166 ms
bg-htag-1px-grey.png
1208 ms
bg-footer-social-media.png
1335 ms
bg-footer-li-2.png
1380 ms
56gpq7sxl7
368 ms
opensans-regular.woff
1102 ms
opensans-light.woff
1101 ms
opensans-semibold.woff
1226 ms
amsiprocond-bold-webfont.woff
1272 ms
amsiprocond-light-webfont.woff
1303 ms
icon-home.svg
1274 ms
search-icon-mobile.svg
1277 ms
ga-audiences
110 ms
cdf_flyout_thinking.xml
1223 ms
cdf_flyout_students.xml
1253 ms
cdf_flyout_staff.xml
1358 ms
cdf_flyout_about.xml
1385 ms
cdf_flyout_research.xml
1399 ms
cdf_flyout_learning.xml
1389 ms
clarity.js
19 ms
cdf_flyout_maori.xml
1375 ms
cdf_flyout_international.xml
1371 ms
cdf_flyout_alumni.xml
1497 ms
cdf_flyout_contact.xml
1515 ms
cdf_flyout_pacific.xml
1533 ms
bookmark-menu.svg
1527 ms
print.css
220 ms
c.gif
38 ms
marine.ac.nz accessibility score
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
[id] attributes on active, focusable elements are not unique
Names and labels
These are opportunities to improve the semantics of the controls in your application. This may enhance the experience for users of assistive technology, like a screen reader.
Impact
Issue
Links do not have a discernible name
marine.ac.nz best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Includes front-end JavaScript libraries with known security vulnerabilities
Ensure CSP is effective against XSS attacks
General
Impact
Issue
Detected JavaScript libraries
marine.ac.nz SEO score
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
Impact
Issue
Links do not have descriptive text
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
Mobile Friendly
Make sure your pages are mobile friendly so users don’t have to pinch or zoom in order to read the content pages. [Learn more](https://developers.google.com/search/mobile-sites/).
Impact
Issue
Document uses legible font sizes
Tap targets are not sized appropriately
EN
EN
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Marine.ac.nz can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it matches the claimed language. Our system also found out that Marine.ac.nz main page’s claimed encoding is utf-8. Use of this encoding format is the best practice as the main page visitors from all over the world won’t have any issues with symbol transcription.
marine.ac.nz
Open Graph description is not detected on the main page of Marine. Lack of Open Graph description can be counter-productive for their social media presence, as such a description allows converting a website homepage (or other pages) into good-looking, rich and well-structured posts, when it is being shared on Facebook and other social media. For example, adding the following code snippet into HTML <head> tag will help to represent this web page correctly in social networks: