Report Summary

  • 48

    Performance

    Renders faster than
    68% of other websites

  • 57

    Accessibility

    Visual factors better than
    that of 24% of websites

  • 50

    Best Practices

    More advanced features
    available than in
    18% of websites

  • 62

    SEO

    Google-friendlier than
    22% of websites

dal.by

Проблемы мировой глобализации - проблемы глобализации мировой экономики

Page Load Speed

10.9 sec in total

First Response

463 ms

Resources Loaded

10 sec

Page Rendered

477 ms

dal.by screenshot

About Website

Click here to check amazing Dal content for Russia. Otherwise, check out these important facts you probably never knew about dal.by

Проблемы глобализации мировой экономики и политики

Visit dal.by

Key Findings

We analyzed Dal.by page load time and found that the first response time was 463 ms and then it took 10.5 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

dal.by performance score

48

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.6 s

14/100

10%

LCP (Largest Contentful Paint)

Value4.6 s

35/100

25%

SI (Speed Index)

Value6.6 s

37/100

10%

TBT (Total Blocking Time)

Value460 ms

62/100

30%

CLS (Cumulative Layout Shift)

Value0.086

93/100

15%

TTI (Time to Interactive)

Value11.0 s

20/100

10%

Network Requests Diagram

dal.by

463 ms

www.dal.by

3443 ms

style.css

638 ms

jquery.lightbox-0.5.css

323 ms

jquery.jscrollpane.css

323 ms

Our browser made a total of 104 requests to load all elements on the main page. We found that 60% of them (62 requests) were addressed to the original Dal.by, 10% (10 requests) were made to Static.xx.fbcdn.net and 7% (7 requests) were made to Scontent.xx.fbcdn.net. The less responsive or slowest element that took the longest time to load (3.4 sec) belongs to the original domain Dal.by.

Page Optimization Overview & Recommendations

Page size can be reduced by 326.3 kB (41%)

Content Size

804.7 kB

After Optimization

478.4 kB

In fact, the total size of Dal.by main page is 804.7 kB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 40% of websites need less resources to load. Javascripts take 344.6 kB which makes up the majority of the site volume.

HTML Optimization

-76%

Potential reduce by 59.9 kB

  • Original 79.1 kB
  • After minification 69.7 kB
  • After compression 19.1 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 9.4 kB, which is 12% 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 59.9 kB or 76% of the original size.

Image Optimization

-14%

Potential reduce by 45.4 kB

  • Original 331.5 kB
  • After minification 286.1 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, Dal needs image optimization as it can save up to 45.4 kB or 14% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-52%

Potential reduce by 178.8 kB

  • Original 344.6 kB
  • After minification 316.3 kB
  • After compression 165.8 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 178.8 kB or 52% of the original size.

CSS Optimization

-85%

Potential reduce by 42.2 kB

  • Original 49.5 kB
  • After minification 35.4 kB
  • After compression 7.4 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. Dal.by needs all CSS files to be minified and compressed as it can save up to 42.2 kB or 85% of the original size.

Requests Breakdown

Number of requests can be reduced by 39 (39%)

Requests Now

99

After Optimization

60

The browser has sent 99 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Dal. 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 5 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

dal.by accessibility score

57

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.

Tables and lists

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Impact

Issue

High

<dl>'s do not contain only properly-ordered <dt> and <dd> groups, <script>, <template> or <div> elements.

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

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

Form elements do not have associated labels

High

Links do not have a discernible name

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

dal.by best practices score

50

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

Displays images with incorrect aspect ratio

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

dal.by SEO score

62

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

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 Dal.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 Dal.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 Dal. 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: