Access sch17.klasna.com. Комунальний заклад "Харківський ліцей № 17 Харківської міської ради"

name

value

score

weighting

FCP (First Contentful Paint)

Value2.4 s

70/100

10%

LCP (Largest Contentful Paint)

Value13.9 s

0/100

25%

SI (Speed Index)

Value9.5 s

11/100

10%

TBT (Total Blocking Time)

Value1,150 ms

22/100

30%

CLS (Cumulative Layout Shift)

Value0.011

100/100

15%

TTI (Time to Interactive)

Value18.5 s

3/100

10%

sch17.klasna.com

40 ms

sch17.klasna.com

2021 ms

thickbox.css

218 ms

jquery.ui.all.css

217 ms

_editor.css

214 ms

Our browser made a total of 125 requests to load all elements on the main page. We found that 51% of them (64 requests) were addressed to the original Sch17.klasna.com, 30% (38 requests) were made to Static.klasnaocinka.com.ua and 6% (7 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (2 sec) belongs to the original domain Sch17.klasna.com.

Content Size

764.5 kB

After Optimization

693.8 kB

In fact, the total size of Sch17.klasna.com main page is 764.5 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. 50% of websites need less resources to load. Images take 462.8 kB which makes up the majority of the site volume.

HTML Optimization

-78%

Potential reduce by 27.2 kB

Original 35.0 kB
After minification 31.0 kB
After compression 7.9 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 4.0 kB, which is 12% 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 27.2 kB or 78% of the original size.

Image Optimization

-7%

Potential reduce by 32.2 kB

Original 462.8 kB
After minification 430.6 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. Sch 17 Klasna images are well optimized though.

JavaScript Optimization

-2%

Potential reduce by 4.3 kB

Original 241.5 kB
After minification 241.5 kB
After compression 237.2 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. This website has mostly compressed JavaScripts.

CSS Optimization

-28%

Potential reduce by 7.1 kB

Original 25.2 kB
After minification 24.7 kB
After compression 18.1 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. Sch17.klasna.com needs all CSS files to be minified and compressed as it can save up to 7.1 kB or 28% of the original size.

Requests Now

After Optimization

The browser has sent 76 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Sch 17 Klasna. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 11 to 1 for JavaScripts and from 25 to 1 for CSS 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 the semantics of the controls in your application. This may enhance the experience for users of assistive technology, like a screen reader.

High

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

High

Image elements do not have [alt] attributes

High

Form elements do not have associated labels

High

Links do not have a discernible name

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

High

Serves images with low resolution

Low

Detected JavaScript libraries

High

Issues were logged in the Issues panel in Chrome Devtools

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

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 Sch17.klasna.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 Sch17.klasna.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

sch17.klasna.com

Open Graph description is not detected on the main page of Sch 17 Klasna. 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

Комунальний заклад "Харківський ліцей № 17 Харківської міської ради" - Домашня

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

sch17.klasna.com

sch17.klasna.com

thickbox.css

jquery.ui.all.css

_editor.css

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

sch17.klasna.com

sch17.klasna.com

thickbox.css

jquery.ui.all.css

_editor.css

form.css

ddsmoothmenu.css

jquery.min.js

jquery-ui.min.js

go_up.js

thickbox.js

multimedia_effects.js

ddsmoothmenu.js

main.css

main.css

general.css

jquery.ui.base.css

jquery.ui.theme.css

jquery.ui.core.css

jquery.ui.resizable.css

jquery.ui.selectable.css

jquery.ui.accordion.css

jquery.ui.autocomplete.css

jquery.ui.button.css

jquery.ui.dialog.css

jquery.ui.slider.css

jquery.ui.tabs.css

jquery.ui.datepicker.css

jquery.ui.progressbar.css

fon.gif

logo_default.png

ukraine.png

uk.gif

menu.gif

c.apserver.org.ua

milkfactory.gif

preview

photo_2024_07_05_09_17_28.jpg

pencil_blue.png

img_d2b26788b2b73bc425801936e2a6f074_v.jpg

5.jpg

6.jpg

monms_static.jpg