Access sobolev-events.ru. Создание веб сайтов под ключ в Москве, разработка дизайна недорого

name

value

score

weighting

FCP (First Contentful Paint)

Value4.1 s

21/100

10%

LCP (Largest Contentful Paint)

Value5.3 s

22/100

25%

SI (Speed Index)

Value8.9 s

15/100

10%

TBT (Total Blocking Time)

Value11,390 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.013

100/100

15%

TTI (Time to Interactive)

Value25.5 s

0/100

10%

sobolev-events.ru

752 ms

jquery.min.js

261 ms

script.js

257 ms

blk.js

416 ms

main.js

418 ms

Our browser made a total of 88 requests to load all elements on the main page. We found that 80% of them (70 requests) were addressed to the original Sobolev-events.ru, 7% (6 requests) were made to Youtube.com and 5% (4 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (2.6 sec) belongs to the original domain Sobolev-events.ru.

Content Size

2.6 MB

After Optimization

2.1 MB

In fact, the total size of Sobolev-events.ru main page is 2.6 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 2.0 MB which makes up the majority of the site volume.

HTML Optimization

-78%

Potential reduce by 35.5 kB

Original 45.5 kB
After minification 38.5 kB
After compression 10.0 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 7.0 kB, which is 15% 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 35.5 kB or 78% of the original size.

Image Optimization

-1%

Potential reduce by 26.3 kB

Original 2.0 MB
After minification 2.0 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. Sobolev Events images are well optimized though.

JavaScript Optimization

-32%

Potential reduce by 29.9 kB

Original 93.1 kB
After minification 92.1 kB
After compression 63.2 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 29.9 kB or 32% of the original size.

CSS Optimization

-84%

Potential reduce by 366.7 kB

Original 435.4 kB
After minification 427.5 kB
After compression 68.7 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. Sobolev-events.ru needs all CSS files to be minified and compressed as it can save up to 366.7 kB or 84% of the original size.

Requests Now

After Optimization

The browser has sent 80 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Sobolev Events. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 13 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Issues

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 keyboard navigation in your application.

High

[id] attributes on active, focusable elements are not unique

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

High

ARIA IDs are not unique

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.

Low

No form fields have multiple labels

High

<frame> or <iframe> elements do not have a title

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

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

High

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

These items highlight common accessibility best practices.

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Areas of Improvement

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

High

Displays images with incorrect aspect ratio

Low

Detected JavaScript libraries

High

Page has valid source maps

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 Sobolev-events.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 Sobolev-events.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

sobolev-events.ru

Open Graph description is not detected on the main page of Sobolev Events. 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

Создание веб сайтов под ключ в Москве, разработка дизайна недорого

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

sobolev-events.ru

jquery.min.js

script.js

blk.js

main.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

sobolev-events.ru

jquery.min.js

script.js

blk.js

main.js

jquery-latest.js

countdown.js

style.css

forma-svyaz.js

css

logo.png

menu.png

menu2.png

wa_ico.png

vb_ico.png

tm_ico.png

calculyator3.gif

24y.jpg

sites1.jpg

sites2.jpg

sites3.jpg

sites4.jpg

sites5.jpg

sites6.jpg

sites7.jpg

sites8.jpg

sites9.jpg

sites10.jpg

sites11.jpg

sites12.jpg

sites13.png

sites14.png

sites15.png

sites16.png

sites17.png

sites18.png

sites19.png

sites20.png

sites21.png

sites22.jpg

sites23.jpg

sites24.jpg

sites25.jpg