Report Summary

  • 65

    Performance

    Renders faster than
    78% of other websites

  • 65

    Accessibility

    Visual factors better than
    that of 30% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    20% of websites

  • 69

    SEO

    Google-friendlier than
    28% of websites

usb.co.nz

USB Home USB Flash drives - USB Flash Drives or Memory Sticks Perfect corporate gift

Page Load Speed

4.2 sec in total

First Response

718 ms

Resources Loaded

3.3 sec

Page Rendered

144 ms

usb.co.nz screenshot

About Website

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

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Key Findings

We analyzed Usb.co.nz page load time and found that the first response time was 718 ms and then it took 3.5 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.

Performance Metrics

usb.co.nz performance score

65

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.2 s

43/100

10%

LCP (Largest Contentful Paint)

Value3.2 s

71/100

25%

SI (Speed Index)

Value5.2 s

60/100

10%

TBT (Total Blocking Time)

Value130 ms

96/100

30%

CLS (Cumulative Layout Shift)

Value0.71

7/100

15%

TTI (Time to Interactive)

Value5.7 s

69/100

10%

Network Requests Diagram

usb.co.nz

718 ms

stylesheet.css

1302 ms

galleria.css

1309 ms

jquery.min.js

1732 ms

jquery.galleria.js

1527 ms

Our browser made a total of 21 requests to load all elements on the main page. We found that 86% of them (18 requests) were addressed to the original Usb.co.nz, 10% (2 requests) were made to Google-analytics.com and 5% (1 request) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (1.7 sec) belongs to the original domain Usb.co.nz.

Page Optimization Overview & Recommendations

Page size can be reduced by 69.7 kB (33%)

Content Size

208.5 kB

After Optimization

138.9 kB

In fact, the total size of Usb.co.nz main page is 208.5 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. Only 10% of websites need less resources to load. Images take 96.9 kB which makes up the majority of the site volume.

HTML Optimization

-75%

Potential reduce by 9.8 kB

  • Original 13.1 kB
  • After minification 12.9 kB
  • After compression 3.2 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 9.8 kB or 75% of the original size.

Image Optimization

-2%

Potential reduce by 2.2 kB

  • Original 96.9 kB
  • After minification 94.7 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. USB images are well optimized though.

JavaScript Optimization

-56%

Potential reduce by 50.6 kB

  • Original 89.8 kB
  • After minification 83.0 kB
  • After compression 39.2 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 50.6 kB or 56% of the original size.

CSS Optimization

-79%

Potential reduce by 7.0 kB

  • Original 8.8 kB
  • After minification 6.4 kB
  • After compression 1.8 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. Usb.co.nz needs all CSS files to be minified and compressed as it can save up to 7.0 kB or 79% of the original size.

Requests Breakdown

Number of requests can be reduced by 4 (20%)

Requests Now

20

After Optimization

16

The browser has sent 20 CSS, Javascripts, AJAX and image requests in order to completely render the main page of USB. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 5 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

usb.co.nz accessibility score

65

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

usb.co.nz best practices score

58

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

User Experience

Impact

Issue

High

Displays images with incorrect aspect ratio

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

usb.co.nz SEO score

69

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

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 Usb.co.nz 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 Usb.co.nz 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

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