Report Summary

  • 54

    Performance

    Renders faster than
    71% of other websites

  • 61

    Accessibility

    Visual factors better than
    that of 27% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 69

    SEO

    Google-friendlier than
    28% of websites

vnauke.by

Внауке.by - Первый белорусский портал молодых ученых - Спросите, в чем наша миссия? Изменить жизнь молодых ученых. Подарить веру в собственный успех. ...

Page Load Speed

4.4 sec in total

First Response

926 ms

Resources Loaded

3.1 sec

Page Rendered

438 ms

vnauke.by screenshot

About Website

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

Спросите, в чем наша миссия? Изменить жизнь молодых ученых. Подарить веру в собственный успех. Обучить принципам организации и выполнения научно-исследовательской работы, развиваться как личность.

Visit vnauke.by

Key Findings

We analyzed Vnauke.by page load time and found that the first response time was 926 ms and then it took 3.5 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.

Performance Metrics

vnauke.by performance score

54

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.5 s

14/100

10%

LCP (Largest Contentful Paint)

Value6.5 s

9/100

25%

SI (Speed Index)

Value5.8 s

49/100

10%

TBT (Total Blocking Time)

Value150 ms

95/100

30%

CLS (Cumulative Layout Shift)

Value0.106

88/100

15%

TTI (Time to Interactive)

Value8.6 s

37/100

10%

Network Requests Diagram

vnauke.by

926 ms

jquery.autocomplete.css

228 ms

tags.css

232 ms

ratings.css

234 ms

jquery.fancybox.css

235 ms

Our browser made a total of 90 requests to load all elements on the main page. We found that 89% of them (80 requests) were addressed to the original Vnauke.by, 2% (2 requests) were made to Vk.com and 2% (2 requests) were made to Connect.facebook.net. The less responsive or slowest element that took the longest time to load (943 ms) belongs to the original domain Vnauke.by.

Page Optimization Overview & Recommendations

Page size can be reduced by 154.0 kB (12%)

Content Size

1.3 MB

After Optimization

1.2 MB

In fact, the total size of Vnauke.by main page is 1.3 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. 55% of websites need less resources to load. Images take 1.1 MB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 74.9 kB

  • Original 91.2 kB
  • After minification 75.6 kB
  • After compression 16.2 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 15.6 kB, which is 17% 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 74.9 kB or 82% of the original size.

Image Optimization

-3%

Potential reduce by 37.4 kB

  • Original 1.1 MB
  • After minification 1.0 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. Vnauke images are well optimized though.

JavaScript Optimization

-25%

Potential reduce by 32.3 kB

  • Original 127.5 kB
  • After minification 126.7 kB
  • After compression 95.2 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 32.3 kB or 25% of the original size.

CSS Optimization

-35%

Potential reduce by 9.3 kB

  • Original 26.5 kB
  • After minification 25.9 kB
  • After compression 17.2 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. Vnauke.by needs all CSS files to be minified and compressed as it can save up to 9.3 kB or 35% of the original size.

Requests Breakdown

Number of requests can be reduced by 42 (49%)

Requests Now

86

After Optimization

44

The browser has sent 86 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Vnauke. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 21 to 1 for JavaScripts and from 10 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

vnauke.by accessibility score

61

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

High

Links do not have a discernible name

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Some elements have a [tabindex] value greater than 0

Best Practices

vnauke.by best practices score

67

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

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

vnauke.by 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

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Vnauke.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 Vnauke.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 Vnauke. 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: