Access vdnh.ru. ВДНХ – официальный сайт Выставки достижений народного хозяйства, календарь выставок, Зеленый театр, ...

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%

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.

Content Size

34.7 MB

After Optimization

20.3 MB

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 Now

113

After Optimization

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.

Accessibility Issues

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.

High

Buttons do not have an accessible name

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

These are opportunities to improve the legibility of your content.

High

Background and foreground colors do not have a sufficient contrast ratio.

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

High

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

Areas of Improvement

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

High

Displays images with incorrect aspect ratio

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Missing source maps for large first-party JavaScript

Search Engine Optimization Advices

To appear in search results, crawlers need access to your app.

High

Links are not crawlable

Format your HTML in a way that enables crawlers to better understand your app’s content.

High

Image elements do not have [alt] attributes

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/).

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

vdnh.ru

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:

Report Summary

Performance

Accessibility

Best Practices

SEO

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

Page Load Speed

First Response

Resources Loaded

Page Rendered

About Website

Key Findings

Performance Metrics

Measured Metrics

FCP (First Contentful Paint)

LCP (Largest Contentful Paint)

SI (Speed Index)

TBT (Total Blocking Time)

CLS (Cumulative Layout Shift)

TTI (Time to Interactive)

Network Requests Diagram

vdnh.ru

vdnh.ru

mapbox-gl.css

map.css

jquery-3.6.3.min.js

Page Optimization Overview & Recommendations

Content Size

After Optimization

HTML Optimization

Image Optimization

JavaScript Optimization

CSS Optimization

Requests Breakdown

Requests Now

After Optimization

Network Requests Diagram

vdnh.ru

vdnh.ru

mapbox-gl.css

map.css

jquery-3.6.3.min.js

mapbox-gl.js

places-s1.js

map.js

entry.b3d3f684.css

default.81a932d7.css

Icon.6eb7e0ad.css

index.05af0c3c.css

entry.cba143b5.js

default.49217acb.js

index.b3f9748b.js

Icon.5f13415b.js

ArrowSubmit.625a5e7a.js

Search.f1fe2297.js

Hands.68a6ab8a.js

ArrowLink.305ae329.js

ArrowSlider.27466534.js

ArrowDateSlider.7432ebb5.js

tag.js

logo-main.svg

4ae930acfd72fc0238652ee396ffe0ac.png

60b56f16dc56ec9e35434f20fb12bc0e.png

df57a984c33d699a7809e55ad70efa4e.svg

365060c31c7d0ecacfab2550840c1e8e.svg

9edd117d13481a0968c243eee0c1335c.png

4f8d3364e09defbb6ba589977b88464f.png

a3de9f3ce3fbe9dc6ff6acb957892a3c.jpeg

b0a00f13226526105d2e9e20aecba50d.png

35deb2b0b365fda635ad31d5f454c028.svg

d586376eaadd727950dc8654e130fac9.svg

f1415d2651db08a63a7e29bd9106bb67.png

icon-social-tg.svg

icon-social-vk.svg

icon-social-ok.svg

icon-social-yz.svg

bg.0ef1921f.svg

9d54a95c457e238b1733484a856b2619.jpg

f8c3543867ff3d6aaf20d284e58c1daa.jpg

e0f4f66da1daf119c5f86a1b472f7a0e.jpg