Tools & Wizards About Us

Report Summary

  • 65

    Performance

    Renders faster than
    78% of other websites

  • 88

    Accessibility

    Visual factors better than
    that of 68% of websites

  • 42

    Best Practices

    More advanced features
    available than in
    19% of websites

  • 62

    SEO

    Google-friendlier than
    23% of websites

kzsh_51.dnepredu.com

Головна - Саксаганський район. Криворізька гімназія № 51 Криворізької міської ради

Page Load Speed

26.5 sec in total

First Response

44 ms

Resources Loaded

26.2 sec

Page Rendered

263 ms

About Website

Welcome to kzsh_51.dnepredu.com homepage info - get ready to check Kzsh_ 51 Dnepredu best content for Ukraine right away, or after learning these important things about kzsh_51.dnepredu.com

Вітаємо Вас на сайті КЗШ І-ІІІ ст.№51 !!! Сайт допоможе знайти Вам детальну інформацію про: історію школи; предмети, що викладаються у школі; розклад уроків та дзвінків; контактні телефони та

Visit kzsh_51.dnepredu.com

Key Findings

We analyzed Kzsh_51.dnepredu.com page load time and found that the first response time was 44 ms and then it took 26.5 sec to load all DOM resources and completely render a web page. This is a poor result, as 95% of websites can load faster. Unfortunately, there was 1 request timeout, which can generally increase the web page load time, as the browser stays idle while waiting for website response.

Performance Metrics

kzsh_51.dnepredu.com performance score

65

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.2 s

78/100

10%

LCP (Largest Contentful Paint)

Value5.6 s

17/100

25%

SI (Speed Index)

Value13.1 s

2/100

10%

TBT (Total Blocking Time)

Value90 ms

99/100

30%

CLS (Cumulative Layout Shift)

Value0.01

100/100

15%

TTI (Time to Interactive)

Value4.6 s

81/100

10%

Network Requests Diagram

kzsh_51.dnepredu.com

44 ms

kzsh_51.dnepredu.com

4925 ms

thickbox.css

223 ms

jquery.ui.all.css

226 ms

_editor.css

224 ms

Our browser made a total of 216 requests to load all elements on the main page. We found that 50% of them (107 requests) were addressed to the original Kzsh_51.dnepredu.com, 45% (98 requests) were made to Static.klasnaocinka.com.ua and 2% (4 requests) were made to Google.com. The less responsive or slowest element that took the longest time to load (20.1 sec) relates to the external source Hit18.hotlog.ru.

Page Optimization Overview & Recommendations

Page size can be reduced by 71.5 kB (3%)

Content Size

2.3 MB

After Optimization

2.2 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Kzsh_51.dnepredu.com main page is 2.3 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. 60% of websites need less resources to load. Images take 2.1 MB which makes up the majority of the site volume.

HTML Optimization

-75%

Potential reduce by 25.5 kB

  • Original 33.7 kB
  • After minification 31.4 kB
  • After compression 8.3 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 25.5 kB or 75% of the original size.

Image Optimization

-1%

Potential reduce by 29.6 kB

  • Original 2.1 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. Kzsh_ 51 Dnepredu images are well optimized though.

JavaScript Optimization

-7%

Potential reduce by 8.3 kB

  • Original 119.6 kB
  • After minification 119.6 kB
  • After compression 111.3 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. This website has mostly compressed JavaScripts.

CSS Optimization

-38%

Potential reduce by 8.1 kB

  • Original 21.6 kB
  • After minification 19.2 kB
  • After compression 13.5 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. Kzsh_51.dnepredu.com needs all CSS files to be minified and compressed as it can save up to 8.1 kB or 38% of the original size.

Requests Breakdown

Number of requests can be reduced by 44 (41%)

Requests Now

107

After Optimization

63

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 107 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Kzsh_ 51 Dnepredu. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 8 to 1 for JavaScripts and from 20 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

kzsh_51.dnepredu.com accessibility score

88

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.

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

Links do not have a discernible name

Best Practices

kzsh_51.dnepredu.com best practices score

42

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

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

kzsh_51.dnepredu.com SEO score

62

Search Engine Optimization Advices

Crawling and Indexing

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

Impact

Issue

High

Links are not crawlable

Content Best Practices

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

Impact

Issue

High

Document uses plugins

Language and Encoding

  • Language Detected

    UK

  • Language Claimed

    UK

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Kzsh_51.dnepredu.com can be misinterpreted by Google and other search engines. Our service has detected that Ukrainian is used on the page, and it matches the claimed language. Our system also found out that Kzsh_51.dnepredu.com 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 Kzsh_ 51 Dnepredu. 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: