Tools & Wizards About Us

Report Summary

  • 19

    Performance

    Renders faster than
    36% of other websites

  • 76

    Accessibility

    Visual factors better than
    that of 42% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 83

    SEO

    Google-friendlier than
    46% of websites

century21.co.nz

CENTURY 21 New Zealand | Real Estate Agents, Property & Houses for Sale

Page Load Speed

6.2 sec in total

First Response

672 ms

Resources Loaded

4.9 sec

Page Rendered

596 ms

About Website

Visit century21.co.nz now to see the best up-to-date CENTURY 21 content for New Zealand and also check out these interesting facts you probably never knew about century21.co.nz

We provide real estate services across New Zealand including real estate for sale, residential, commercial and rural property to buy, rent and lease.

Visit century21.co.nz

Key Findings

We analyzed Century21.co.nz page load time and found that the first response time was 672 ms and then it took 5.5 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster.

Performance Metrics

century21.co.nz performance score

19

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.1 s

22/100

10%

LCP (Largest Contentful Paint)

Value14.6 s

0/100

25%

SI (Speed Index)

Value9.8 s

10/100

10%

TBT (Total Blocking Time)

Value2,810 ms

3/100

30%

CLS (Cumulative Layout Shift)

Value0.001

100/100

15%

TTI (Time to Interactive)

Value18.3 s

3/100

10%

Network Requests Diagram

century21.co.nz

672 ms

www.century21.co.nz

1781 ms

site.css

448 ms

css

35 ms

stylesheet.css

645 ms

Our browser made a total of 55 requests to load all elements on the main page. We found that 56% of them (31 requests) were addressed to the original Century21.co.nz, 7% (4 requests) were made to Googletagmanager.com and 7% (4 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (1.8 sec) belongs to the original domain Century21.co.nz.

Page Optimization Overview & Recommendations

Page size can be reduced by 84.0 kB (9%)

Content Size

970.4 kB

After Optimization

886.4 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Century21.co.nz main page is 970.4 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. 75% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Images take 541.6 kB which makes up the majority of the site volume.

HTML Optimization

-75%

Potential reduce by 53.4 kB

  • Original 71.3 kB
  • After minification 67.1 kB
  • After compression 17.9 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 53.4 kB or 75% of the original size.

Image Optimization

-0%

Potential reduce by 1.9 kB

  • Original 541.6 kB
  • After minification 539.8 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. CENTURY 21 images are well optimized though.

JavaScript Optimization

-9%

Potential reduce by 28.0 kB

  • Original 323.6 kB
  • After minification 323.6 kB
  • After compression 295.7 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. This website has mostly compressed JavaScripts.

CSS Optimization

-2%

Potential reduce by 826 B

  • Original 33.9 kB
  • After minification 33.7 kB
  • After compression 33.1 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. Century21.co.nz has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 21 (48%)

Requests Now

44

After Optimization

23

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 44 CSS, Javascripts, AJAX and image requests in order to completely render the main page of CENTURY 21. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 15 to 1 for JavaScripts and from 8 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

century21.co.nz accessibility score

76

Accessibility Issues

Contrast

These are opportunities to improve the legibility of your content.

Impact

Issue

High

Background and foreground colors do not have a sufficient contrast ratio.

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

High

Image elements do not have [alt] attributes

High

Form elements do not have associated labels

High

Links do not have a discernible name

Best practices

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

century21.co.nz best practices score

83

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Missing source maps for large first-party JavaScript

SEO Factors

century21.co.nz SEO score

83

Search Engine Optimization Advices

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

Links are not crawlable

Content Best Practices

Format your HTML in a way that enables crawlers to better understand your app’s content.

Impact

Issue

High

Image elements do not have [alt] attributes

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

High

Document uses legible font sizes

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    EN

  • Encoding

    ISO-8859-1

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Century21.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 Century21.co.nz main page’s claimed encoding is iso-8859-1. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

Open Graph description is not detected on the main page of CENTURY 21. 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: