Report Summary

  • 24

    Performance

    Renders faster than
    43% of other websites

  • 65

    Accessibility

    Visual factors better than
    that of 30% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 80

    SEO

    Google-friendlier than
    42% of websites

d-h.by

Магазин межкомнатных и входных дверей в Минске - каталог дверей с ценами и фото | Купить двери в рассрочку с доставкой по Минску в интернет магазине Д...

Page Load Speed

4.6 sec in total

First Response

454 ms

Resources Loaded

4 sec

Page Rendered

176 ms

d-h.by screenshot

About Website

Visit d-h.by now to see the best up-to-date D H content for Belarus and also check out these interesting facts you probably never knew about d-h.by

Купить межкомнатные и входные двери в Минске по доступной цене: большой выбор межкомнатных и входных дверей в рассрочку недорого в каталоге интернет магазина с фото, описанием, доставкой, замером и це...

Visit d-h.by

Key Findings

We analyzed D-h.by page load time and found that the first response time was 454 ms and then it took 4.1 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.

Performance Metrics

d-h.by performance score

24

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.8 s

11/100

10%

LCP (Largest Contentful Paint)

Value13.7 s

0/100

25%

SI (Speed Index)

Value9.0 s

15/100

10%

TBT (Total Blocking Time)

Value1,290 ms

18/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value14.5 s

9/100

10%

Network Requests Diagram

d-h.by

454 ms

d-h.by

557 ms

css

38 ms

css

54 ms

ui.design-tokens.min.css

118 ms

Our browser made a total of 96 requests to load all elements on the main page. We found that 86% of them (83 requests) were addressed to the original D-h.by, 2% (2 requests) were made to Fonts.googleapis.com and 2% (2 requests) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (1.5 sec) belongs to the original domain D-h.by.

Page Optimization Overview & Recommendations

Page size can be reduced by 3.1 MB (72%)

Content Size

4.4 MB

After Optimization

1.2 MB

In fact, the total size of D-h.by main page is 4.4 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 3.9 MB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 74.6 kB

  • Original 89.5 kB
  • After minification 69.1 kB
  • After compression 14.9 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. This page needs HTML code to be minified as it can gain 20.4 kB, which is 23% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 74.6 kB or 83% of the original size.

Image Optimization

-78%

Potential reduce by 3.0 MB

  • Original 3.9 MB
  • After minification 850.8 kB

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. Obviously, D H needs image optimization as it can save up to 3.0 MB or 78% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-14%

Potential reduce by 45.1 kB

  • Original 331.0 kB
  • After minification 329.8 kB
  • After compression 285.9 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 45.1 kB or 14% of the original size.

CSS Optimization

-25%

Potential reduce by 19.5 kB

  • Original 78.9 kB
  • After minification 78.9 kB
  • After compression 59.4 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. D-h.by needs all CSS files to be minified and compressed as it can save up to 19.5 kB or 25% of the original size.

Requests Breakdown

Number of requests can be reduced by 44 (48%)

Requests Now

92

After Optimization

48

The browser has sent 92 CSS, Javascripts, AJAX and image requests in order to completely render the main page of D H. 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 17 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

d-h.by accessibility score

65

Accessibility Issues

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

Buttons do not have an accessible name

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

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.

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a [lang] attribute

Best Practices

d-h.by 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

d-h.by SEO score

80

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

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

    RU

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise D-h.by can be misinterpreted by Google and other search engines. Our service has detected that Russian 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 D-h.by 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 D H. 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: