Report Summary

  • 14

    Performance

    Renders faster than
    26% of other websites

  • 83

    Accessibility

    Visual factors better than
    that of 56% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 70

    SEO

    Google-friendlier than
    30% of websites

aronson.com

Aronson Antiquairs of Amsterdam | Delftware | Made in Holland – World renowned specialists in 17th and 18th century Dutch Delftware (ceramics), with w...

Page Load Speed

18.2 sec in total

First Response

2.2 sec

Resources Loaded

15 sec

Page Rendered

951 ms

aronson.com screenshot

About Website

Welcome to aronson.com homepage info - get ready to check Aronson best content right away, or after learning these important things about aronson.com

Passion for Dutch Delftware When Chinese porcelain was introduced in Europe around 1600 it ignited the production of ceramics in the Dutch city of Delft. Delft potters became trendsetters and soon we...

Visit aronson.com

Key Findings

We analyzed Aronson.com page load time and found that the first response time was 2.2 sec and then it took 16 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

aronson.com performance score

14

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.6 s

5/100

10%

LCP (Largest Contentful Paint)

Value10.3 s

0/100

25%

SI (Speed Index)

Value26.7 s

0/100

10%

TBT (Total Blocking Time)

Value60,080 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.108

88/100

15%

TTI (Time to Interactive)

Value81.9 s

0/100

10%

Network Requests Diagram

www.aronson.com

2204 ms

language-selector.css

212 ms

language-selector-click.css

234 ms

jquery.fancybox.min.css

232 ms

reset.min.css

234 ms

Our browser made a total of 153 requests to load all elements on the main page. We found that 69% of them (106 requests) were addressed to the original Aronson.com, 7% (10 requests) were made to Static.xx.fbcdn.net and 5% (7 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (7.7 sec) belongs to the original domain Aronson.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 2.8 MB (55%)

Content Size

5.1 MB

After Optimization

2.3 MB

In fact, the total size of Aronson.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. 70% of websites need less resources to load. Images take 1.7 MB which makes up the majority of the site volume.

HTML Optimization

-86%

Potential reduce by 306.3 kB

  • Original 354.8 kB
  • After minification 351.7 kB
  • After compression 48.4 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 306.3 kB or 86% of the original size.

Image Optimization

-7%

Potential reduce by 120.5 kB

  • Original 1.7 MB
  • After minification 1.6 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. Aronson images are well optimized though.

JavaScript Optimization

-71%

Potential reduce by 1.0 MB

  • Original 1.5 MB
  • After minification 1.4 MB
  • After compression 428.2 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 1.0 MB or 71% of the original size.

CSS Optimization

-88%

Potential reduce by 1.4 MB

  • Original 1.5 MB
  • After minification 1.4 MB
  • After compression 188.7 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. Aronson.com needs all CSS files to be minified and compressed as it can save up to 1.4 MB or 88% of the original size.

Requests Breakdown

Number of requests can be reduced by 96 (66%)

Requests Now

145

After Optimization

49

The browser has sent 145 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Aronson. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 58 to 1 for JavaScripts and from 33 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

aronson.com accessibility score

83

Accessibility Issues

ARIA

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.

Impact

Issue

High

[aria-hidden="true"] elements contain focusable descendents

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

<frame> or <iframe> elements do not have a title

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

Best Practices

aronson.com best practices score

83

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

Browser errors were logged to the console

High

Missing source maps for large first-party JavaScript

SEO Factors

aronson.com SEO score

70

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 Aronson.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 Aronson.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

Open Graph data is detected on the main page of Aronson. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: