Tools & Wizards About Us
nzdl.org screenshot

Report Summary

  • 70

    Performance

    Renders faster than
    81% of other websites

  • 63

    Accessibility

    Visual factors better than
    that of 28% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 54

    SEO

    Google-friendlier than
    19% of websites

nzdl.org

New Zealand Digital Library

Page Load Speed

10.9 sec in total

First Response

485 ms

Resources Loaded

10.1 sec

Page Rendered

346 ms

nzdl.org screenshot

About Website

Click here to check amazing Nzdl content for India. Otherwise, check out these important facts you probably never knew about nzdl.org

Visit nzdl.org

Key Findings

We analyzed Nzdl.org page load time and found that the first response time was 485 ms and then it took 10.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.

Performance Metrics

nzdl.org performance score

70

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.3 s

74/100

10%

LCP (Largest Contentful Paint)

Value2.9 s

81/100

25%

SI (Speed Index)

Value6.3 s

41/100

10%

TBT (Total Blocking Time)

Value210 ms

89/100

30%

CLS (Cumulative Layout Shift)

Value0.411

24/100

15%

TTI (Time to Interactive)

Value4.9 s

78/100

10%

Network Requests Diagram

nzdl.org

485 ms

nzdl.org

687 ms

library.cgi

696 ms

style.css

684 ms

nzdl2gr.gif

681 ms

Our browser made a total of 74 requests to load all elements on the main page. We found that 97% of them (72 requests) were addressed to the original Nzdl.org, 3% (2 requests) were made to Ssl.google-analytics.com. The less responsive or slowest element that took the longest time to load (4.5 sec) belongs to the original domain Nzdl.org.

Page Optimization Overview & Recommendations

Page size can be reduced by 69.5 kB (44%)

Content Size

159.6 kB

After Optimization

90.1 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Nzdl.org main page is 159.6 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. Images take 107.7 kB which makes up the majority of the site volume.

HTML Optimization

-79%

Potential reduce by 25.4 kB

  • Original 32.1 kB
  • After minification 30.2 kB
  • After compression 6.7 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 25.4 kB or 79% of the original size.

Image Optimization

-40%

Potential reduce by 42.8 kB

  • Original 107.7 kB
  • After minification 65.0 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, Nzdl needs image optimization as it can save up to 42.8 kB or 40% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-0%

Potential reduce by 34 B

  • Original 17.2 kB
  • After minification 17.2 kB
  • After compression 17.1 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

-49%

Potential reduce by 1.3 kB

  • Original 2.7 kB
  • After minification 2.7 kB
  • After compression 1.4 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. Nzdl.org needs all CSS files to be minified and compressed as it can save up to 1.3 kB or 49% of the original size.

Requests Breakdown

Number of requests can be reduced by 6 (8%)

Requests Now

71

After Optimization

65

  • Images
  • JavaScript
  • CSS

The browser has sent 71 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Nzdl. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests and as a result speed up the page load time.

Network Requests Diagram

nzdl.org

nzdl.org

485 ms

nzdl.org

nzdl.org

687 ms

library.cgi

library.cgi

696 ms

style.css

style.css

684 ms

nzdl2gr.gif

nzdl2gr.gif

681 ms

ait_sm.jpg

ait_sm.jpg

895 ms

hdlsm.gif

hdlsm.gif

681 ms

hdlsm.gif

hdlsm.gif

702 ms

welsm.gif

welsm.gif

877 ms

aginfo.gif

aginfo.gif

1359 ms

gtz.gif

gtz.gif

1366 ms

cdl.gif

cdl.gif

1581 ms

edudevsm.gif

edudevsm.gif

1380 ms

nigeriasm.gif

nigeriasm.gif

1800 ms

safemsm.gif

safemsm.gif

1578 ms

colicon.jpg

colicon.jpg

2048 ms

mhlsm.gif

mhlsm.gif

2048 ms

pahosml.gif

pahosml.gif

2052 ms

unescosm.gif

unescosm.gif

2304 ms

muster.gif

muster.gif

2453 ms

unescoensm.gif

unescoensm.gif

2680 ms

dfidsm.gif

dfidsm.gif

2726 ms

ewf.gif

ewf.gif

2713 ms

faodrsm.gif

faodrsm.gif

2725 ms

ccgism.gif

ccgism.gif

2986 ms

fnl22.gif

fnl22.gif

3132 ms

who.gif

who.gif

3559 ms

tulanesm.gif

tulanesm.gif

3178 ms

unaids.gif

unaids.gif

3185 ms

aedl.gif

aedl.gif

3184 ms

whoedmsm.gif

whoedmsm.gif

3461 ms

helidsm.gif

helidsm.gif

3816 ms

ipcsm.gif

ipcsm.gif

3866 ms

povsem_front.gif

povsem_front.gif

3867 ms

nzdlpub.gif

nzdlpub.gif

3850 ms

gsarch.gif

gsarch.gif

4013 ms

howto2_cover_hp.gif

howto2_cover_hp.gif

4359 ms

gsdocs.gif

gsdocs.gif

4480 ms

acrodemosm.gif

acrodemosm.gif

4519 ms

niupepsm.gif

niupepsm.gif

4063 ms

arabic.gif

arabic.gif

4062 ms

ga.js

ga.js

19 ms

chinsm.jpg

chinsm.jpg

4190 ms

folktale.gif

folktale.gif

4111 ms

__utm.gif

__utm.gif

11 ms

jcdl_logo_photo_tiled.gif

jcdl_logo_photo_tiled.gif

4488 ms

tidbitsm.gif

tidbitsm.gif

4061 ms

wp_logo.png

wp_logo.png

4071 ms

muscollage.gif

muscollage.gif

4037 ms

wordpdf.gif

wordpdf.gif

3927 ms

musvid_frontpage.gif

musvid_frontpage.gif

3988 ms

gbergsm.gif

gbergsm.gif

4262 ms

shakefront.gif

shakefront.gif

4105 ms

logo.gif

logo.gif

3603 ms

csbibsm.gif

csbibsm.gif

4063 ms

coltsm.gif

coltsm.gif

3438 ms

cstrsm.gif

cstrsm.gif

3783 ms

hcibibsm.gif

hcibibsm.gif

3636 ms

whist_logo_small.gif

whist_logo_small.gif

3259 ms

beowulffront.jpg

beowulffront.jpg

3932 ms

tccsm.gif

tccsm.gif

4027 ms

jair-sm.gif

jair-sm.gif

3357 ms

ieeelom_sm.gif

ieeelom_sm.gif

3697 ms

nzmcLogo.gif

nzmcLogo.gif

3540 ms

gbull.gif

gbull.gif

3591 ms

ghproj.jpg

ghproj.jpg

3640 ms

unesco.gif

unesco.gif

3762 ms

toki_sm.png

toki_sm.png

3966 ms

chalk.gif

chalk.gif

3502 ms

bg_green.png

bg_green.png

3560 ms

banner_bg.png

banner_bg.png

3587 ms

cog.gif

cog.gif

3642 ms

main.js

main.js

2632 ms

style-print.css

style-print.css

678 ms

Accessibility Review

nzdl.org accessibility score

63

Accessibility Issues

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a [lang] attribute

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

Links do not have a discernible name

Best Practices

nzdl.org best practices score

75

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

SEO Factors

nzdl.org SEO score

54

Search Engine Optimization Advices

Crawling and Indexing

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

Impact

Issue

High

Page is blocked from indexing

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

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    N/A

  • Encoding

    ISO-8859-1

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Nzdl.org can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Nzdl.org 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

nzdl.org

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