Report Summary

  • 23

    Performance

    Renders faster than
    42% of other websites

  • 92

    Accessibility

    Visual factors better than
    that of 78% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 91

    SEO

    Google-friendlier than
    70% of websites

duslar.biz

«Duslar» - магазин мебельной фурнитуры и аксессуаров из Европы

Page Load Speed

7.6 sec in total

First Response

521 ms

Resources Loaded

6.6 sec

Page Rendered

525 ms

duslar.biz screenshot

About Website

Visit duslar.biz now to see the best up-to-date Duslar content for Russia and also check out these interesting facts you probably never knew about duslar.biz

Оптово-розничный интернет-магазин выдвижных систем, мебельной фурнитуры и комплектующих для кухни: механизмы, рейлинги, светильники, лотки для посуды, ведра и прочее | Доставка по всей России.

Visit duslar.biz

Key Findings

We analyzed Duslar.biz page load time and found that the first response time was 521 ms and then it took 7.1 sec to load all DOM resources and completely render a web page. This is a poor result, as 85% of websites can load faster.

Performance Metrics

duslar.biz performance score

23

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.2 s

8/100

10%

LCP (Largest Contentful Paint)

Value9.2 s

1/100

25%

SI (Speed Index)

Value7.8 s

24/100

10%

TBT (Total Blocking Time)

Value1,220 ms

20/100

30%

CLS (Cumulative Layout Shift)

Value0.136

80/100

15%

TTI (Time to Interactive)

Value13.5 s

11/100

10%

Network Requests Diagram

duslar.biz

521 ms

duslar.biz

551 ms

www.duslar.biz

545 ms

www.duslar.biz

791 ms

ui.design-tokens.css

135 ms

Our browser made a total of 173 requests to load all elements on the main page. We found that 89% of them (154 requests) were addressed to the original Duslar.biz, 3% (6 requests) were made to Api-maps.yandex.ru and 2% (4 requests) were made to Cdn-ru.bitrix24.ru. The less responsive or slowest element that took the longest time to load (1.3 sec) belongs to the original domain Duslar.biz.

Page Optimization Overview & Recommendations

Page size can be reduced by 722.1 kB (12%)

Content Size

5.8 MB

After Optimization

5.1 MB

In fact, the total size of Duslar.biz main page is 5.8 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 4.8 MB which makes up the majority of the site volume.

HTML Optimization

-74%

Potential reduce by 365.8 kB

  • Original 494.2 kB
  • After minification 449.6 kB
  • After compression 128.4 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 365.8 kB or 74% of the original size.

Image Optimization

-5%

Potential reduce by 252.2 kB

  • Original 4.8 MB
  • After minification 4.5 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. Duslar images are well optimized though.

JavaScript Optimization

-15%

Potential reduce by 76.1 kB

  • Original 492.4 kB
  • After minification 492.4 kB
  • After compression 416.3 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 76.1 kB or 15% of the original size.

CSS Optimization

-32%

Potential reduce by 28.0 kB

  • Original 88.8 kB
  • After minification 88.8 kB
  • After compression 60.8 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. Duslar.biz needs all CSS files to be minified and compressed as it can save up to 28.0 kB or 32% of the original size.

Requests Breakdown

Number of requests can be reduced by 97 (61%)

Requests Now

159

After Optimization

62

The browser has sent 159 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Duslar. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 36 to 1 for JavaScripts and from 27 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

duslar.biz accessibility score

92

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.

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

Links do not have a discernible name

Best Practices

duslar.biz best practices score

75

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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

duslar.biz SEO score

91

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

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

    RU

  • Language Claimed

    RU

  • Encoding

    UTF-8

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