Report Summary

  • 20

    Performance

    Renders faster than
    37% of other websites

  • 83

    Accessibility

    Visual factors better than
    that of 54% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 93

    SEO

    Google-friendlier than
    83% of websites

airforcemuseum.co.nz

Home - Air Force Museum of New Zealand

Page Load Speed

9.3 sec in total

First Response

1.6 sec

Resources Loaded

7.3 sec

Page Rendered

400 ms

About Website

Visit airforcemuseum.co.nz now to see the best up-to-date Air Force Museum content and also check out these interesting facts you probably never knew about airforcemuseum.co.nz

One of New Zealand's top visitor attractions, the Air Force Museum has over 30 historic aircraft, hands-on exhibitions and displays, guided tours, education programmes and Christchurch's largest theme...

Visit airforcemuseum.co.nz

Key Findings

We analyzed Airforcemuseum.co.nz page load time and found that the first response time was 1.6 sec and then it took 7.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 85% of websites can load faster.

Performance Metrics

airforcemuseum.co.nz performance score

20

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value8.9 s

0/100

10%

LCP (Largest Contentful Paint)

Value13.7 s

0/100

25%

SI (Speed Index)

Value15.6 s

0/100

10%

TBT (Total Blocking Time)

Value870 ms

33/100

30%

CLS (Cumulative Layout Shift)

Value0.237

52/100

15%

TTI (Time to Interactive)

Value10.5 s

23/100

10%

Network Requests Diagram

www.airforcemuseum.co.nz

1619 ms

css

25 ms

css

38 ms

jquery-latest.min.js

4 ms

wp-emoji-release.min.js

614 ms

Our browser made a total of 52 requests to load all elements on the main page. We found that 62% of them (32 requests) were addressed to the original Airforcemuseum.co.nz, 8% (4 requests) were made to Tripadvisor.com and 6% (3 requests) were made to Fonts.googleapis.com. The less responsive or slowest element that took the longest time to load (1.7 sec) belongs to the original domain Airforcemuseum.co.nz.

Page Optimization Overview & Recommendations

Page size can be reduced by 277.9 kB (42%)

Content Size

662.4 kB

After Optimization

384.5 kB

In fact, the total size of Airforcemuseum.co.nz main page is 662.4 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. 30% of websites need less resources to load. Javascripts take 262.2 kB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 42.4 kB

  • Original 52.0 kB
  • After minification 47.7 kB
  • After compression 9.6 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 42.4 kB or 82% of the original size.

Image Optimization

-2%

Potential reduce by 4.6 kB

  • Original 243.3 kB
  • After minification 238.7 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. Air Force Museum images are well optimized though.

JavaScript Optimization

-63%

Potential reduce by 164.3 kB

  • Original 262.2 kB
  • After minification 258.1 kB
  • After compression 97.9 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 164.3 kB or 63% of the original size.

CSS Optimization

-63%

Potential reduce by 66.5 kB

  • Original 104.8 kB
  • After minification 93.8 kB
  • After compression 38.3 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. Airforcemuseum.co.nz needs all CSS files to be minified and compressed as it can save up to 66.5 kB or 63% of the original size.

Requests Breakdown

Number of requests can be reduced by 27 (59%)

Requests Now

46

After Optimization

19

The browser has sent 46 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Air Force Museum. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 21 to 1 for JavaScripts and from 8 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

airforcemuseum.co.nz accessibility score

83

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.

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

High

<dl>'s do not contain only properly-ordered <dt> and <dd> groups, <script>, <template> or <div> elements.

High

Definition list items are not wrapped in <dl> elements

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

ARIA IDs 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

High

Links do not have a discernible name

Best Practices

airforcemuseum.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

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

airforcemuseum.co.nz SEO score

93

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

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

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Airforcemuseum.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 Airforcemuseum.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.

Social Sharing Optimization

Open Graph data is detected on the main page of Air Force Museum. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: