Tools & Wizards About Us

Report Summary

  • 25

    Performance

    Renders faster than
    44% of other websites

  • 73

    Accessibility

    Visual factors better than
    that of 38% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 85

    SEO

    Google-friendlier than
    55% of websites

vdnh.ru

ВДНХ – официальный сайт Выставки достижений народного хозяйства, календарь выставок, Зеленый театр, ВВЦ, ВСХВ,каток на ВДНХ

Page Load Speed

17.7 sec in total

First Response

483 ms

Resources Loaded

14.9 sec

Page Rendered

2.3 sec

About Website

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

Выставка достижений народного хозяйства — уникальное пространство музейно-выставочных проектов, международных деловых выставок и конгрессов, фестивалей и праздников

Visit vdnh.ru

Key Findings

We analyzed Vdnh.ru page load time and found that the first response time was 483 ms and then it took 17.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 95% of websites can load faster.

Performance Metrics

vdnh.ru performance score

25

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value8.7 s

0/100

10%

LCP (Largest Contentful Paint)

Value17.9 s

0/100

25%

SI (Speed Index)

Value12.6 s

3/100

10%

TBT (Total Blocking Time)

Value930 ms

30/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value17.5 s

4/100

10%

Network Requests Diagram

vdnh.ru

483 ms

vdnh.ru

1071 ms

mapbox-gl.css

29 ms

map.css

360 ms

jquery-3.6.3.min.js

29 ms

Our browser made a total of 123 requests to load all elements on the main page. We found that 93% of them (115 requests) were addressed to the original Vdnh.ru, 3% (4 requests) were made to Mc.yandex.com and 2% (2 requests) were made to Api.tiles.mapbox.com. The less responsive or slowest element that took the longest time to load (12.8 sec) belongs to the original domain Vdnh.ru.

Page Optimization Overview & Recommendations

Page size can be reduced by 14.4 MB (42%)

Content Size

34.7 MB

After Optimization

20.3 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Vdnh.ru main page is 34.7 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. 75% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Images take 33.8 MB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 154.4 kB

  • Original 188.0 kB
  • After minification 178.1 kB
  • After compression 33.6 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 154.4 kB or 82% of the original size.

Image Optimization

-41%

Potential reduce by 13.9 MB

  • Original 33.8 MB
  • After minification 19.9 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. Obviously, Vdnh needs image optimization as it can save up to 13.9 MB or 41% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-47%

Potential reduce by 312.1 kB

  • Original 669.3 kB
  • After minification 669.3 kB
  • After compression 357.2 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 312.1 kB or 47% of the original size.

CSS Optimization

-12%

Potential reduce by 180 B

  • Original 1.5 kB
  • After minification 1.5 kB
  • After compression 1.3 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. Vdnh.ru needs all CSS files to be minified and compressed as it can save up to 180 B or 12% of the original size.

Requests Breakdown

Number of requests can be reduced by 40 (35%)

Requests Now

113

After Optimization

73

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 113 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Vdnh. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 15 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

vdnh.ru accessibility score

73

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

vdnh.ru best practices score

75

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Displays images with incorrect aspect ratio

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Missing source maps for large first-party JavaScript

SEO Factors

vdnh.ru SEO score

85

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

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 Vdnh.ru 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 Vdnh.ru 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 Vdnh. 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: