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nvsrolko.org screenshot

Report Summary

  • 38

    Performance

    Renders faster than
    58% of other websites

  • 68

    Accessibility

    Visual factors better than
    that of 33% of websites

  • 50

    Best Practices

    More advanced features
    available than in
    18% of websites

  • 50

    SEO

    Google-friendlier than
    18% of websites

nvsrolko.org

Page Load Speed

804 ms in total

First Response

236 ms

Resources Loaded

460 ms

Page Rendered

108 ms

nvsrolko.org screenshot

About Website

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Key Findings

We analyzed Nvsrolko.org page load time and found that the first response time was 236 ms and then it took 568 ms to load all DOM resources and completely render a web page. This is quite a good result, as only 10% of websites can load faster.

Performance Metrics

nvsrolko.org performance score

38

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value13.3 s

0/100

10%

LCP (Largest Contentful Paint)

Value14.5 s

0/100

25%

SI (Speed Index)

Value18.5 s

0/100

10%

TBT (Total Blocking Time)

Value320 ms

76/100

30%

CLS (Cumulative Layout Shift)

Value0.013

100/100

15%

TTI (Time to Interactive)

Value25.8 s

0/100

10%

Network Requests Diagram

nvsrolko.org

236 ms

style.css

62 ms

pro_drop_1.css

70 ms

stuHover.js

68 ms

jquery.min.js

35 ms

Our browser made a total of 19 requests to load all elements on the main page. We found that 89% of them (17 requests) were addressed to the original Nvsrolko.org, 5% (1 request) were made to Ajax.googleapis.com and 5% (1 request) were made to Hit-counts.com. The less responsive or slowest element that took the longest time to load (236 ms) belongs to the original domain Nvsrolko.org.

Page Optimization Overview & Recommendations

Page size can be reduced by 45.6 kB (21%)

Content Size

212.2 kB

After Optimization

166.6 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Nvsrolko.org main page is 212.2 kB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 15% of websites need less resources to load. Images take 173.1 kB which makes up the majority of the site volume.

HTML Optimization

-79%

Potential reduce by 22.1 kB

  • Original 28.1 kB
  • After minification 23.2 kB
  • After compression 6.0 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 4.9 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 22.1 kB or 79% of the original size.

Image Optimization

-9%

Potential reduce by 14.8 kB

  • Original 173.1 kB
  • After minification 158.4 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. Nvsrolko images are well optimized though.

JavaScript Optimization

-74%

Potential reduce by 978 B

  • Original 1.3 kB
  • After minification 710 B
  • After compression 336 B

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 978 B or 74% of the original size.

CSS Optimization

-81%

Potential reduce by 7.8 kB

  • Original 9.7 kB
  • After minification 8.2 kB
  • After compression 1.9 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. Nvsrolko.org needs all CSS files to be minified and compressed as it can save up to 7.8 kB or 81% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

17

After Optimization

17

  • Images
  • JavaScript
  • CSS

The browser has sent 17 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Nvsrolko. According to our analytics all requests are already optimized.

Network Requests Diagram

nvsrolko.org

nvsrolko.org

236 ms

style.css

style.css

62 ms

pro_drop_1.css

pro_drop_1.css

70 ms

stuHover.js

stuHover.js

68 ms

jquery.min.js

jquery.min.js

35 ms

stuHover.js

stuHover.js

88 ms

mm_menu.js

mm_menu.js

88 ms

counter.php

counter.php

67 ms

header.png

header.png

130 ms

blank_over.gif

blank_over.gif

40 ms

blank_overa.gif

blank_overa.gif

43 ms

blank.gif

blank.gif

38 ms

view.gif

view.gif

38 ms

border.png

border.png

37 ms

DC.JPG

DC.JPG

102 ms

nd.png

nd.png

136 ms

rti.jpg

rti.jpg

74 ms

COE.png

COE.png

74 ms

footer.png

footer.png

76 ms

Accessibility Review

nvsrolko.org accessibility score

68

Accessibility Issues

ARIA

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.

Impact

Issue

High

ARIA input fields do not have accessible names

High

Elements with an ARIA [role] that require children to contain a specific [role] are missing some or all of those required children.

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

Tables and lists

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Impact

Issue

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

Best Practices

nvsrolko.org best practices score

50

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

Displays images with incorrect aspect ratio

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

nvsrolko.org SEO score

50

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

Links do not have descriptive text

High

Image elements do not have [alt] attributes

Language and Encoding

  • Language Detected

    N/A

  • Language Claimed

    N/A

  • Encoding

    ISO-8859-1

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Nvsrolko.org can be misinterpreted by Google and other search engines. Unfortunately we cannot identify language used on the page (probably there is a mix of languages, too little text or something else) and no language is claimed in <html> or <meta> tags either. Our system also found out that Nvsrolko.org main page’s claimed encoding is iso-8859-1. 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

nvsrolko.org

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