Report Summary

  • 14

    Performance

    Renders faster than
    26% of other websites

  • 89

    Accessibility

    Visual factors better than
    that of 72% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    81% of websites

  • 76

    SEO

    Google-friendlier than
    35% of websites

nightvision.com.au

Night Vision Australia | Night Vision Goggles Binoculars & Thermal Imaging

Page Load Speed

13 sec in total

First Response

2.4 sec

Resources Loaded

10.2 sec

Page Rendered

383 ms

nightvision.com.au screenshot

About Website

Visit nightvision.com.au now to see the best up-to-date Night Vision content for Australia and also check out these interesting facts you probably never knew about nightvision.com.au

Night Vision Australia is one of the oldest and most trusted suppliers of night optics and thermal imaging in Australia. As Distributors for FLIR, Armasight By FLIR, Wolfcub we are confident we can fi...

Visit nightvision.com.au

Key Findings

We analyzed Nightvision.com.au page load time and found that the first response time was 2.4 sec and then it took 10.6 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

nightvision.com.au performance score

14

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value7.7 s

0/100

10%

LCP (Largest Contentful Paint)

Value14.6 s

0/100

25%

SI (Speed Index)

Value18.2 s

0/100

10%

TBT (Total Blocking Time)

Value3,890 ms

1/100

30%

CLS (Cumulative Layout Shift)

Value0.091

92/100

15%

TTI (Time to Interactive)

Value26.7 s

0/100

10%

Network Requests Diagram

nightvision.com.au

2441 ms

font-awesome.min.css

12 ms

minified.css.php

1464 ms

index

957 ms

modernizr.custom.js

924 ms

Our browser made a total of 56 requests to load all elements on the main page. We found that 91% of them (51 requests) were addressed to the original Nightvision.com.au, 4% (2 requests) were made to Maxcdn.bootstrapcdn.com and 4% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (6.2 sec) belongs to the original domain Nightvision.com.au.

Page Optimization Overview & Recommendations

Page size can be reduced by 713.7 kB (15%)

Content Size

4.9 MB

After Optimization

4.1 MB

In fact, the total size of Nightvision.com.au main page is 4.9 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. 30% of websites need less resources to load. Images take 4.1 MB which makes up the majority of the site volume.

HTML Optimization

-88%

Potential reduce by 43.0 kB

  • Original 48.8 kB
  • After minification 31.2 kB
  • After compression 5.8 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 17.6 kB, which is 36% 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 43.0 kB or 88% of the original size.

Image Optimization

-3%

Potential reduce by 134.4 kB

  • Original 4.1 MB
  • After minification 4.0 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. Night Vision images are well optimized though.

JavaScript Optimization

-71%

Potential reduce by 238.1 kB

  • Original 337.7 kB
  • After minification 302.7 kB
  • After compression 99.6 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 238.1 kB or 71% of the original size.

CSS Optimization

-84%

Potential reduce by 298.2 kB

  • Original 353.1 kB
  • After minification 344.3 kB
  • After compression 54.9 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. Nightvision.com.au needs all CSS files to be minified and compressed as it can save up to 298.2 kB or 84% of the original size.

Requests Breakdown

Number of requests can be reduced by 15 (28%)

Requests Now

53

After Optimization

38

The browser has sent 53 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Night Vision. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 16 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

nightvision.com.au accessibility score

89

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

Links do not have a discernible name

Best Practices

nightvision.com.au best practices score

92

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

Missing source maps for large first-party JavaScript

SEO Factors

nightvision.com.au SEO score

76

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

High

Tap targets are not sized appropriately

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 Nightvision.com.au 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 Nightvision.com.au 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 description is not detected on the main page of Night Vision. 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: