Tools & Wizards About Us

Report Summary

  • 0

    Performance

  • 98

    Accessibility

    Visual factors better than
    that of 94% of websites

  • 0

    Best Practices

  • 79

    SEO

    Google-friendlier than
    40% of websites

diamonds-amsterdam.com

Diamond museum Amsterdam | join us in the city of diamonds!

Page Load Speed

1.1 sec in total

First Response

39 ms

Resources Loaded

1 sec

Page Rendered

75 ms

About Website

Visit diamonds-amsterdam.com now to see the best up-to-date Diamonds Amsterdam content and also check out these interesting facts you probably never knew about diamonds-amsterdam.com

The Amsterdam Diamond Museum takes you on a journey that starts deep in the earth 3 billion years ago & ends in the ring on your finger. Get tickets now!

Visit diamonds-amsterdam.com

Key Findings

We analyzed Diamonds-amsterdam.com page load time and found that the first response time was 39 ms and then it took 1.1 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 25% of websites can load faster.

Performance Metrics

diamonds-amsterdam.com performance score

0

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value0

0/100

10%

LCP (Largest Contentful Paint)

Value0

0/100

25%

SI (Speed Index)

Value0

0/100

10%

TBT (Total Blocking Time)

Value0

0/100

30%

CLS (Cumulative Layout Shift)

Value0.328

35/100

15%

TTI (Time to Interactive)

Value0

0/100

10%

Network Requests Diagram

diamonds-amsterdam.com

39 ms

diamonds-amsterdam.com

988 ms

Our browser made a total of 2 requests to load all elements on the main page. We found that all of those requests were addressed to Diamonds-amsterdam.com and no external sources were called. The less responsive or slowest element that took the longest time to load (988 ms) belongs to the original domain Diamonds-amsterdam.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 22.6 kB (8%)

Content Size

282.9 kB

After Optimization

260.3 kB

  • HTML
  • JavaScript
  • CSS

In fact, the total size of Diamonds-amsterdam.com main page is 282.9 kB. This result falls within the top 5000 of lightweight and thus fast loading web pages. Only a small number of websites need less resources to load. Javascripts take 189.9 kB which makes up the majority of the site volume.

HTML Optimization

-12%

Potential reduce by 22 B

  • Original 177 B
  • After minification 177 B
  • After compression 155 B

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 22 B or 12% of the original size.

JavaScript Optimization

-5%

Potential reduce by 9.3 kB

  • Original 189.9 kB
  • After minification 189.9 kB
  • After compression 180.6 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. This website has mostly compressed JavaScripts.

CSS Optimization

-14%

Potential reduce by 13.3 kB

  • Original 92.9 kB
  • After minification 92.9 kB
  • After compression 79.6 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. Diamonds-amsterdam.com needs all CSS files to be minified and compressed as it can save up to 13.3 kB or 14% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

0

After Optimization

0

Besides the initial HTML request, no CSS, Javascripts, AJAX or image files were requested in the course of web page rendering.

Network Requests Diagram

Accessibility Review

diamonds-amsterdam.com accessibility score

98

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.

SEO Factors

diamonds-amsterdam.com SEO score

79

Search Engine Optimization Advices

Crawling and Indexing

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

Impact

Issue

High

Links are not crawlable

High

Page is blocked from indexing

High

robots.txt is not valid

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

    N/A

  • Encoding

    N/A

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Diamonds-amsterdam.com 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 Diamonds-amsterdam.com main page’s claimed encoding is . 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 Diamonds Amsterdam. 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: