5.6 sec in total
1.3 sec
4 sec
307 ms
Welcome to z.co.nz homepage info - get ready to check Z best content for New Zealand right away, or after learning these important things about z.co.nz
Z is for New Zealand. We're here to keep our communities and whānau moving.
Visit z.co.nzWe analyzed Z.co.nz page load time and found that the first response time was 1.3 sec and then it took 4.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.
z.co.nz performance score
name
value
score
weighting
Value5.1 s
8/100
10%
Value10.6 s
0/100
25%
Value9.4 s
12/100
10%
Value140 ms
95/100
30%
Value0.113
86/100
15%
Value9.6 s
29/100
10%
1340 ms
215 ms
642 ms
673 ms
434 ms
Our browser made a total of 43 requests to load all elements on the main page. We found that 79% of them (34 requests) were addressed to the original Z.co.nz, 7% (3 requests) were made to Google-analytics.com and 5% (2 requests) were made to Gtrk.s3.amazonaws.com. The less responsive or slowest element that took the longest time to load (1.4 sec) belongs to the original domain Z.co.nz.
Page size can be reduced by 616.2 kB (44%)
1.4 MB
783.1 kB
In fact, the total size of Z.co.nz main page is 1.4 MB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 45% of websites need less resources to load. Images take 621.6 kB which makes up the majority of the site volume.
Potential reduce by 15.7 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. HTML code on this page is well minified. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 15.7 kB or 75% of the original size.
Potential reduce by 29.6 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. Z images are well optimized though.
Potential reduce by 224.2 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 224.2 kB or 65% of the original size.
Potential reduce by 346.8 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. Z.co.nz needs all CSS files to be minified and compressed as it can save up to 346.8 kB or 84% of the original size.
Number of requests can be reduced by 6 (15%)
41
35
The browser has sent 41 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Z. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 7 to 1 for JavaScripts and as a result speed up the page load time.
z.co.nz
1340 ms
bundle-head.js
215 ms
style.vYVprzVEf030B8TVlPuyxcQ.css
642 ms
pages.vcv6vES6mm1icMgvF8HNWDg.css
673 ms
bundle-common.js
434 ms
bundle-global.js
1073 ms
ccd1whs.js
146 ms
Z-why-HP-banner.jpg
848 ms
header_fg.png
216 ms
z_logo.png
212 ms
assets.png
214 ms
assets.v6.png
425 ms
homepage_map_narrow.v1.png
844 ms
carouselbg-ZIP-thru-Z-background.jpg
425 ms
carouselfg-carouselfg-homepage-tile-foreground.png
638 ms
carouselfg-Flybuys-Foreground2.png
638 ms
carouselfg-Sustain-Foreground2.png
636 ms
carouselfg-Xero-Foreground2.png
637 ms
RolloutHomeThumbnail222-Feature-1-Homepage.png
1060 ms
RolloutHomeThumbnail474-Feature-2-Homepage.png
850 ms
footer_bg.png
852 ms
footer_fg.png
850 ms
fuel_logo_zx.png
1053 ms
fuelprice_num_bg.png
1055 ms
fuel_logo_z91.png
1060 ms
fuel_logo_zd.png
1061 ms
card_flybuys.png
1063 ms
card_z.png
1263 ms
social_fb_long.png
1268 ms
social_tw_long.png
1271 ms
social_yt_long.png
1272 ms
social_li_long.png
1274 ms
analytics.js
31 ms
carouselbg-Flybuys-Background2.jpg
1232 ms
carouselbg-Sustain-background2.jpg
1429 ms
carouselbg-Xero-Background2.jpg
1433 ms
228195_160675840661462_4033903_n.jpg
184 ms
3127.js
12 ms
linkid.js
10 ms
s
42 ms
collect
26 ms
u
47 ms
collect
74 ms
z.co.nz accessibility score
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
Buttons do not have an accessible name
Image elements do not have [alt] attributes
Links do not have a discernible name
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
Background and foreground colors do not have a sufficient contrast ratio.
Tables and lists
These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.
Impact
Issue
Lists do not contain only <li> elements and script supporting elements (<script> and <template>).
z.co.nz best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
Page has valid source maps
z.co.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
Image elements do not have [alt] attributes
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
EN
EN
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Z.co.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 Z.co.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.
z.co.nz
Open Graph description is not detected on the main page of Z. 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: