Tools & Wizards About Us
erebus.co.nz screenshot

Report Summary

  • 43

    Performance

    Renders faster than
    62% of other websites

  • 53

    Accessibility

    Visual factors better than
    that of 22% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 75

    SEO

    Google-friendlier than
    32% of websites

erebus.co.nz

Erebus Disaster | Mt Erebus Plane Crash OFFICIAL Facts Website | 1979 Air NZ | NZALPA

Page Load Speed

16.6 sec in total

First Response

436 ms

Resources Loaded

15.6 sec

Page Rendered

539 ms

erebus.co.nz screenshot

About Website

Click here to check amazing Erebus content for New Zealand. Otherwise, check out these important facts you probably never knew about erebus.co.nz

Official site about the 1979 Mt Erebus plane crash. Comprehensive information about the Erebus disaster, including the controversial cover up. Visit for all the facts, newspaper articles (1979 to pres...

Visit erebus.co.nz

Key Findings

We analyzed Erebus.co.nz page load time and found that the first response time was 436 ms and then it took 16.1 sec to load all DOM resources and completely render a web page. This is a poor result, as 95% of websites can load faster.

Performance Metrics

erebus.co.nz performance score

43

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value11.4 s

0/100

10%

LCP (Largest Contentful Paint)

Value12.4 s

0/100

25%

SI (Speed Index)

Value16.7 s

0/100

10%

TBT (Total Blocking Time)

Value220 ms

88/100

30%

CLS (Cumulative Layout Shift)

Value0.004

100/100

15%

TTI (Time to Interactive)

Value13.2 s

12/100

10%

Network Requests Diagram

erebus.co.nz

436 ms

www.erebus.co.nz

398 ms

www.erebus.co.nz

1162 ms

js

75 ms

default.css

430 ms

Our browser made a total of 46 requests to load all elements on the main page. We found that 76% of them (35 requests) were addressed to the original Erebus.co.nz, 13% (6 requests) were made to Fonts.gstatic.com and 4% (2 requests) were made to Cdn.jsdelivr.net. The less responsive or slowest element that took the longest time to load (11.7 sec) belongs to the original domain Erebus.co.nz.

Page Optimization Overview & Recommendations

Page size can be reduced by 272.9 kB (10%)

Content Size

2.6 MB

After Optimization

2.3 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Erebus.co.nz main page is 2.6 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. 40% of websites need less resources to load. Images take 2.0 MB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 54.4 kB

  • Original 65.1 kB
  • After minification 54.1 kB
  • After compression 10.7 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. This page needs HTML code to be minified as it can gain 11.0 kB, which is 17% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 54.4 kB or 84% of the original size.

Image Optimization

-1%

Potential reduce by 12.1 kB

  • Original 2.0 MB
  • After minification 2.0 MB

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. Erebus images are well optimized though.

JavaScript Optimization

-37%

Potential reduce by 165.4 kB

  • Original 445.5 kB
  • After minification 445.5 kB
  • After compression 280.1 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 165.4 kB or 37% of the original size.

CSS Optimization

-35%

Potential reduce by 41.0 kB

  • Original 117.8 kB
  • After minification 116.7 kB
  • After compression 76.8 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. Erebus.co.nz needs all CSS files to be minified and compressed as it can save up to 41.0 kB or 35% of the original size.

Requests Breakdown

Number of requests can be reduced by 24 (71%)

Requests Now

34

After Optimization

10

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 34 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Erebus. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 17 to 1 for JavaScripts and from 9 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

erebus.co.nz

erebus.co.nz

436 ms

www.erebus.co.nz

www.erebus.co.nz

398 ms

www.erebus.co.nz

www.erebus.co.nz

1162 ms

js

js

75 ms

default.css

default.css

430 ms

bootstrap.min.css

bootstrap.min.css

665 ms

slick.css

slick.css

43 ms

all.css

all.css

1212 ms

jquery.fancybox.min.css

jquery.fancybox.min.css

797 ms

jquery.mmenu.all.css

jquery.mmenu.all.css

817 ms

skin.css

skin.css

1027 ms

jquery.mmenu.pageshadow.css

jquery.mmenu.pageshadow.css

818 ms

portal.css

portal.css

869 ms

jquery.js

jquery.js

1579 ms

jquery-ui.js

jquery-ui.js

1819 ms

WebResource.axd

WebResource.axd

1016 ms

ScriptResource.axd

ScriptResource.axd

1072 ms

ScriptResource.axd

ScriptResource.axd

1221 ms

bootstrap.min.js

bootstrap.min.js

1233 ms

slick.min.js

slick.min.js

61 ms

jquery.fancybox.min.js

jquery.fancybox.min.js

1288 ms

jquery.mmenu.min.all.js

jquery.mmenu.min.all.js

1409 ms

jquery.parallax.js

jquery.parallax.js

1416 ms

jquery.livequery.min.js

jquery.livequery.min.js

1428 ms

skin.js

skin.js

1495 ms

ZoomifyImageViewerFree-min.js

ZoomifyImageViewerFree-min.js

1621 ms

dnn.modalpopup.js

dnn.modalpopup.js

1672 ms

dnncore.js

dnncore.js

1666 ms

addthis_widget.js

addthis_widget.js

40 ms

erebus2.jpg

erebus2.jpg

811 ms

logo.png

logo.png

238 ms

Erebus-White.png

Erebus-White.png

242 ms

Antarctic.jpg

Antarctic.jpg

11745 ms

Newsroom%2028.11.2019.jpg

Newsroom%2028.11.2019.jpg

1705 ms

Stuff%2028.11.2019.jpg

Stuff%2028.11.2019.jpg

427 ms

areotime%20hub%2028.11.2019.png

areotime%20hub%2028.11.2019.png

5652 ms

Erebus.jpg

Erebus.jpg

1011 ms

mem8YaGs126MiZpBA-UFVZ0e.ttf

mem8YaGs126MiZpBA-UFVZ0e.ttf

43 ms

mem5YaGs126MiZpBA-UN_r8OUuhs.ttf

mem5YaGs126MiZpBA-UN_r8OUuhs.ttf

48 ms

mem5YaGs126MiZpBA-UNirkOUuhs.ttf

mem5YaGs126MiZpBA-UNirkOUuhs.ttf

61 ms

mem5YaGs126MiZpBA-UN7rgOUuhs.ttf

mem5YaGs126MiZpBA-UN7rgOUuhs.ttf

67 ms

MwQ5bhbm2POE2V9BOA.ttf

MwQ5bhbm2POE2V9BOA.ttf

66 ms

fa-solid-900.woff

fa-solid-900.woff

879 ms

fa-regular-400.woff

fa-regular-400.woff

1709 ms

fa-light-300.woff

fa-light-300.woff

2762 ms

rax_HiWKp9EAITukFsl8Axha.ttf

rax_HiWKp9EAITukFsl8Axha.ttf

139 ms

Accessibility Review

erebus.co.nz accessibility score

53

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

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

erebus.co.nz best practices score

75

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

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

erebus.co.nz SEO score

75

Search Engine Optimization Advices

Content Best Practices

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

Impact

Issue

High

Links do not have descriptive text

High

Image elements do not have [alt] attributes

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 Erebus.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 Erebus.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

erebus.co.nz

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