Report Summary

  • 86

    Performance

    Renders faster than
    89% of other websites

  • 54

    Accessibility

    Visual factors better than
    that of 23% of websites

  • 42

    Best Practices

    More advanced features
    available than in
    19% of websites

  • 69

    SEO

    Google-friendlier than
    28% of websites

dart.ru

Поставки электронных компонентов со склада в Москве и под заказ :: ДАРТ Электроникс

Page Load Speed

3.5 sec in total

First Response

550 ms

Resources Loaded

2.8 sec

Page Rendered

184 ms

dart.ru screenshot

About Website

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

Поставки электронных компонентов со склада в Москве и под заказ- более 340 тысяч наименований: фурнитура для электронных устройств - варисторы - варисторы металлооксидные дисковые - варисторы smd для ...

Visit dart.ru

Key Findings

We analyzed Dart.ru page load time and found that the first response time was 550 ms and then it took 3 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.

Performance Metrics

dart.ru performance score

86

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.9 s

51/100

10%

LCP (Largest Contentful Paint)

Value2.9 s

79/100

25%

SI (Speed Index)

Value4.5 s

72/100

10%

TBT (Total Blocking Time)

Value50 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.074

95/100

15%

TTI (Time to Interactive)

Value3.3 s

93/100

10%

Network Requests Diagram

dart.ru

550 ms

dart.ru

781 ms

stylesdart.css

252 ms

jquery-1.11.0.min.js

506 ms

script.js

384 ms

Our browser made a total of 47 requests to load all elements on the main page. We found that 94% of them (44 requests) were addressed to the original Dart.ru, 4% (2 requests) were made to Einfo.ru and 2% (1 request) were made to Yastatic.net. The less responsive or slowest element that took the longest time to load (983 ms) belongs to the original domain Dart.ru.

Page Optimization Overview & Recommendations

Page size can be reduced by 273.3 kB (65%)

Content Size

420.1 kB

After Optimization

146.8 kB

In fact, the total size of Dart.ru main page is 420.1 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. 25% of websites need less resources to load. Images take 216.7 kB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 66.2 kB

  • Original 78.9 kB
  • After minification 68.4 kB
  • After compression 12.7 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 10.5 kB, which is 13% 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 66.2 kB or 84% of the original size.

Image Optimization

-56%

Potential reduce by 120.8 kB

  • Original 216.7 kB
  • After minification 95.9 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, Dart needs image optimization as it can save up to 120.8 kB or 56% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-67%

Potential reduce by 72.2 kB

  • Original 108.1 kB
  • After minification 104.2 kB
  • After compression 36.0 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 72.2 kB or 67% of the original size.

CSS Optimization

-87%

Potential reduce by 14.2 kB

  • Original 16.4 kB
  • After minification 8.7 kB
  • After compression 2.2 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. Dart.ru needs all CSS files to be minified and compressed as it can save up to 14.2 kB or 87% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

43

After Optimization

43

The browser has sent 43 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Dart. According to our analytics all requests are already optimized.

Accessibility Review

dart.ru accessibility score

54

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.

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

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

Form elements do not have associated labels

Best Practices

dart.ru best practices score

42

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

High

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

dart.ru SEO score

69

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

Language and Encoding

  • Language Detected

    RU

  • Language Claimed

    RU

  • Encoding

    WINDOWS-1251

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Dart.ru 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 Dart.ru main page’s claimed encoding is windows-1251. 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 Dart. 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: