Access au.vonzipper.com. VonZipper - Shop VonZipper Sunglasses Online

name

value

score

weighting

FCP (First Contentful Paint)

Value3.1 s

47/100

10%

LCP (Largest Contentful Paint)

Value27.3 s

0/100

25%

SI (Speed Index)

Value12.0 s

4/100

10%

TBT (Total Blocking Time)

Value3,670 ms

1/100

30%

CLS (Cumulative Layout Shift)

Value0.006

100/100

15%

TTI (Time to Interactive)

Value34.0 s

0/100

10%

au.vonzipper.com

14 ms

von-zipper

352 ms

webfont.js

55 ms

jquery-ui.min.css

27 ms

font-awesome.min.css

113 ms

Our browser made a total of 95 requests to load all elements on the main page. We found that 1% of them (1 request) were addressed to the original Au.vonzipper.com, 79% (75 requests) were made to Sds.com.au and 3% (3 requests) were made to Staticw2.yotpo.com. The less responsive or slowest element that took the longest time to load (1.2 sec) relates to the external source T.cfjump.com.

Content Size

5.1 MB

After Optimization

4.8 MB

In fact, the total size of Au.vonzipper.com main page is 5.1 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. Only a small number of websites need less resources to load. Images take 4.3 MB which makes up the majority of the site volume.

HTML Optimization

-89%

Potential reduce by 238.6 kB

Original 268.8 kB
After minification 248.2 kB
After compression 30.2 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 238.6 kB or 89% of the original size.

Image Optimization

-0%

Potential reduce by 19.8 kB

Original 4.3 MB
After minification 4.3 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. Au Von Zipper images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 1.2 kB

Original 387.7 kB
After minification 387.7 kB
After compression 386.5 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

-18%

Potential reduce by 14.3 kB

Original 80.4 kB
After minification 80.4 kB
After compression 66.1 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. Au.vonzipper.com needs all CSS files to be minified and compressed as it can save up to 14.3 kB or 18% of the original size.

Requests Now

After Optimization

The browser has sent 83 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Au Von Zipper. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 20 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.

Accessibility Issues

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.

High

Buttons do not have an accessible name

These are opportunities to improve the legibility of your content.

High

Background and foreground colors do not have a sufficient contrast ratio.

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.

High

ARIA IDs are not unique

These are opportunities to improve keyboard navigation in your application.

High

Heading elements are not in a sequentially-descending order

Areas of Improvement

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Missing source maps for large first-party JavaScript

Search Engine Optimization Advices

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

High

Links are not crawlable

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/).

High

Document doesn't use 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 Au.vonzipper.com 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 Au.vonzipper.com 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

au.vonzipper.com

Open Graph description is not detected on the main page of Au Von Zipper. 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:

Report Summary

Performance

Accessibility

Best Practices

SEO

VonZipper - Shop VonZipper Sunglasses Online | Surf Dive'n Ski

Page Load Speed

First Response

Resources Loaded

Page Rendered

About Website

Key Findings

Performance Metrics

Measured Metrics

FCP (First Contentful Paint)

LCP (Largest Contentful Paint)

SI (Speed Index)

TBT (Total Blocking Time)

CLS (Cumulative Layout Shift)

TTI (Time to Interactive)

Network Requests Diagram

au.vonzipper.com

von-zipper

webfont.js

jquery-ui.min.css

font-awesome.min.css

Page Optimization Overview & Recommendations

Content Size

After Optimization

HTML Optimization

Image Optimization

JavaScript Optimization

CSS Optimization

Requests Breakdown

Requests Now

After Optimization

Network Requests Diagram

au.vonzipper.com

von-zipper

webfont.js

jquery-ui.min.css

font-awesome.min.css

style.css

script-tag.js

collect.js

jquery-3.6.0.min.js

jquery-ui.min.js

jquery.validate.min.js

jquery.zoom.min.js

jquery.stickit.js

sticky-sidebar.js

vendor.min.js

app.js

custom.js

addthis_widget.js

65605

dwanalytics-22.2.js

dwac-21.7.js

gretel.min.js

css

sensor.js

gtm.js

logo-white.svg

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Artboard%2019%20copy%2014-100.jpg

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Womens-Pants-Mega-Menu.jpg

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