Report Summary

  • 27

    Performance

    Renders faster than
    47% of other websites

  • 87

    Accessibility

    Visual factors better than
    that of 67% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 84

    SEO

    Google-friendlier than
    53% of websites

diamond.pl

Armatura sanitarna i technika grzewcza - największy dystrybutor w Polsce - Diamond.pl

Page Load Speed

6.3 sec in total

First Response

360 ms

Resources Loaded

5.6 sec

Page Rendered

318 ms

diamond.pl screenshot

About Website

Visit diamond.pl now to see the best up-to-date Diamond content for Poland and also check out these interesting facts you probably never knew about diamond.pl

Będąc liderem rynku zapewniamy naszym klientom szybkie dostawy i szeroki wachlarz produktów w konkurencyjnych cenach. Posiadamy 18 centrów logistycznych i magazynów o łącznej powierzchni 30tyś. metrów...

Visit diamond.pl

Key Findings

We analyzed Diamond.pl page load time and found that the first response time was 360 ms and then it took 5.9 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster.

Performance Metrics

diamond.pl performance score

27

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value6.7 s

2/100

10%

LCP (Largest Contentful Paint)

Value16.3 s

0/100

25%

SI (Speed Index)

Value11.7 s

4/100

10%

TBT (Total Blocking Time)

Value310 ms

77/100

30%

CLS (Cumulative Layout Shift)

Value0.539

14/100

15%

TTI (Time to Interactive)

Value12.6 s

14/100

10%

Network Requests Diagram

diamond.pl

360 ms

www.diamond.pl

457 ms

system.base.css

117 ms

system.menus.css

224 ms

system.messages.css

225 ms

Our browser made a total of 203 requests to load all elements on the main page. We found that 93% of them (188 requests) were addressed to the original Diamond.pl, 4% (8 requests) were made to Fonts.googleapis.com and 2% (5 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (1.4 sec) belongs to the original domain Diamond.pl.

Page Optimization Overview & Recommendations

Page size can be reduced by 809.5 kB (15%)

Content Size

5.4 MB

After Optimization

4.6 MB

In fact, the total size of Diamond.pl main page is 5.4 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. 60% of websites need less resources to load. Images take 4.8 MB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 59.9 kB

  • Original 70.9 kB
  • After minification 68.2 kB
  • After compression 11.0 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 59.9 kB or 84% of the original size.

Image Optimization

-7%

Potential reduce by 357.7 kB

  • Original 4.8 MB
  • After minification 4.4 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. Diamond images are well optimized though.

JavaScript Optimization

-73%

Potential reduce by 308.9 kB

  • Original 425.0 kB
  • After minification 337.5 kB
  • After compression 116.1 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 308.9 kB or 73% of the original size.

CSS Optimization

-80%

Potential reduce by 83.0 kB

  • Original 103.6 kB
  • After minification 77.5 kB
  • After compression 20.6 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. Diamond.pl needs all CSS files to be minified and compressed as it can save up to 83.0 kB or 80% of the original size.

Requests Breakdown

Number of requests can be reduced by 74 (38%)

Requests Now

196

After Optimization

122

The browser has sent 196 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Diamond. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 29 to 1 for JavaScripts and from 36 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

diamond.pl accessibility score

87

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

[id] attributes on active, focusable elements are not unique

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

diamond.pl best practices score

67

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

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

diamond.pl SEO score

84

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

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

    PL

  • Language Claimed

    PL

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Diamond.pl can be misinterpreted by Google and other search engines. Our service has detected that Polish is used on the page, and it matches the claimed language. Our system also found out that Diamond.pl 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 Diamond. 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: