Report Summary

  • 14

    Performance

    Renders faster than
    26% of other websites

  • 92

    Accessibility

    Visual factors better than
    that of 80% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 92

    SEO

    Google-friendlier than
    75% of websites

Page Load Speed

2.8 sec in total

First Response

971 ms

Resources Loaded

1.7 sec

Page Rendered

119 ms

digitalpreservation.natlib.govt.nz screenshot

About Website

Visit digitalpreservation.natlib.govt.nz now to see the best up-to-date Digitalpreservation Natlib content for New Zealand and also check out these interesting facts you probably never knew about digitalpreservation.natlib.govt.nz

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Key Findings

We analyzed Digitalpreservation.natlib.govt.nz page load time and found that the first response time was 971 ms and then it took 1.8 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 35% of websites can load faster. This domain responded with an error, which can significantly jeopardize Digitalpreservation.natlib.govt.nz rating and web reputation

Performance Metrics

digitalpreservation.natlib.govt.nz performance score

14

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value7.6 s

0/100

10%

LCP (Largest Contentful Paint)

Value7.6 s

3/100

25%

SI (Speed Index)

Value15.1 s

1/100

10%

TBT (Total Blocking Time)

Value11,560 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.112

87/100

15%

TTI (Time to Interactive)

Value20.3 s

2/100

10%

Network Requests Diagram

digitalpreservation.natlib.govt.nz

971 ms

_Incapsula_Resource

289 ms

_Incapsula_Resource

96 ms

_Incapsula_Resource

220 ms

css2

65 ms

Our browser made a total of 9 requests to load all elements on the main page. We found that 44% of them (4 requests) were addressed to the original Digitalpreservation.natlib.govt.nz, 44% (4 requests) were made to Fonts.gstatic.com and 11% (1 request) were made to Fonts.googleapis.com. The less responsive or slowest element that took the longest time to load (971 ms) belongs to the original domain Digitalpreservation.natlib.govt.nz.

Page Optimization Overview & Recommendations

Page size can be reduced by 389 B (2%)

Content Size

20.3 kB

After Optimization

20.0 kB

In fact, the total size of Digitalpreservation.natlib.govt.nz main page is 20.3 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. 15% of websites need less resources to load. Javascripts take 19.5 kB which makes up the majority of the site volume.

HTML Optimization

-41%

Potential reduce by 368 B

  • Original 887 B
  • After minification 887 B
  • After compression 519 B

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 368 B or 41% of the original size.

JavaScript Optimization

-0%

Potential reduce by 21 B

  • Original 19.5 kB
  • After minification 19.5 kB
  • After compression 19.4 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.

Requests Breakdown

We found no issues to fix!

Requests Now

3

After Optimization

3

The browser has sent 3 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Digitalpreservation Natlib. According to our analytics all requests are already optimized.

Accessibility Review

digitalpreservation.natlib.govt.nz accessibility score

92

Accessibility Issues

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-*] attributes do not match their roles

Best Practices

digitalpreservation.natlib.govt.nz best practices score

67

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

Displays images with incorrect aspect ratio

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

High

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

digitalpreservation.natlib.govt.nz SEO score

92

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

    N/A

  • Language Claimed

    N/A

  • Encoding

    N/A

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Digitalpreservation.natlib.govt.nz can be misinterpreted by Google and other search engines. Unfortunately we cannot identify language used on the page (probably there is a mix of languages, too little text or something else) and no language is claimed in <html> or <meta> tags either. Our system also found out that Digitalpreservation.natlib.govt.nz main page’s claimed encoding is . 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 Digitalpreservation Natlib. 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: