Tools & Wizards About Us
de.vlsu.ru screenshot

Report Summary

  • 100

    Performance

    Renders faster than
    97% of other websites

  • 63

    Accessibility

    Visual factors better than
    that of 28% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 58

    SEO

    Google-friendlier than
    21% of websites

de.vlsu.ru

Дистанционное обучение город Владимир. Высшее образование онлайн. | Заочное обучение с применением дистанционных образовательных технологий | Дистанци...

Page Load Speed

1.7 sec in total

First Response

496 ms

Resources Loaded

984 ms

Page Rendered

202 ms

de.vlsu.ru screenshot

About Website

Welcome to de.vlsu.ru homepage info - get ready to check De Vlsu best content for Russia right away, or after learning these important things about de.vlsu.ru

Центр дистанционного обучения. Заочное обучение с применением дистанционных образовательных технологий. Дистанционное обучение город Владимир.

Visit de.vlsu.ru

Key Findings

We analyzed De.vlsu.ru page load time and found that the first response time was 496 ms and then it took 1.2 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 25% of websites can load faster.

Performance Metrics

de.vlsu.ru performance score

100

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value0.9 s

100/100

10%

LCP (Largest Contentful Paint)

Value0.9 s

100/100

25%

SI (Speed Index)

Value1.4 s

100/100

10%

TBT (Total Blocking Time)

Value90 ms

99/100

30%

CLS (Cumulative Layout Shift)

Value0.01

100/100

15%

TTI (Time to Interactive)

Value1.0 s

100/100

10%

Network Requests Diagram

de.vlsu.ru

496 ms

html-background.png

123 ms

header-background.png

489 ms

centos-logo.png

263 ms

Our browser made a total of 4 requests to load all elements on the main page. We found that all of those requests were addressed to De.vlsu.ru and no external sources were called. The less responsive or slowest element that took the longest time to load (496 ms) belongs to the original domain De.vlsu.ru.

Page Optimization Overview & Recommendations

Page size can be reduced by 18.4 kB (20%)

Content Size

92.6 kB

After Optimization

74.2 kB

  • HTML
  • Images

In fact, the total size of De.vlsu.ru main page is 92.6 kB. This result falls within a vast category (top 1 000 000) of heavyweight, probably not optimized, and thus slow loading web pages. Only 5% of websites need less resources to load. Images take 87.7 kB which makes up the majority of the site volume.

HTML Optimization

-66%

Potential reduce by 3.2 kB

  • Original 4.8 kB
  • After minification 4.7 kB
  • After compression 1.6 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 3.2 kB or 66% of the original size.

Image Optimization

-17%

Potential reduce by 15.2 kB

  • Original 87.7 kB
  • After minification 72.5 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, De Vlsu needs image optimization as it can save up to 15.2 kB or 17% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

Requests Breakdown

We found no issues to fix!

Requests Now

3

After Optimization

3

  • Images

The browser has sent 3 CSS, Javascripts, AJAX and image requests in order to completely render the main page of De Vlsu. According to our analytics all requests are already optimized.

Network Requests Diagram

de.vlsu.ru

de.vlsu.ru

496 ms

html-background.png

html-background.png

123 ms

header-background.png

header-background.png

489 ms

centos-logo.png

centos-logo.png

263 ms

Accessibility Review

de.vlsu.ru accessibility score

63

Accessibility Issues

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

Links do not have a discernible name

Best Practices

de.vlsu.ru best practices score

67

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

Serves images with low resolution

SEO Factors

de.vlsu.ru SEO score

58

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

    N/A

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise De.vlsu.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 De.vlsu.ru main page’s claimed encoding is . 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

de.vlsu.ru

Open Graph description is not detected on the main page of De Vlsu. 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: