Tools & Wizards About Us
sch39grodno.schools.by screenshot

Report Summary

  • 26

    Performance

    Renders faster than
    46% of other websites

  • 86

    Accessibility

    Visual factors better than
    that of 62% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 81

    SEO

    Google-friendlier than
    43% of websites

sch39grodno.schools.by

Средняя школа № 39 имени И.Д. Лебедева г. Гродно

Page Load Speed

13.7 sec in total

First Response

900 ms

Resources Loaded

6.9 sec

Page Rendered

5.8 sec

sch39grodno.schools.by screenshot

About Website

Click here to check amazing Sch 39 Grodno Schools content for Belarus. Otherwise, check out these important facts you probably never knew about sch39grodno.schools.by

Visit sch39grodno.schools.by

Key Findings

We analyzed Sch39grodno.schools.by page load time and found that the first response time was 900 ms and then it took 12.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.

Performance Metrics

sch39grodno.schools.by performance score

26

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value8.0 s

0/100

10%

LCP (Largest Contentful Paint)

Value15.2 s

0/100

25%

SI (Speed Index)

Value13.4 s

2/100

10%

TBT (Total Blocking Time)

Value870 ms

33/100

30%

CLS (Cumulative Layout Shift)

Value0.002

100/100

15%

TTI (Time to Interactive)

Value17.7 s

4/100

10%

Network Requests Diagram

sch39grodno.schools.by

900 ms

b46e773fec2a.css

1303 ms

34582835efe5.css

1128 ms

488809efab99.js

1597 ms

ga.js

188 ms

Our browser made a total of 39 requests to load all elements on the main page. We found that 5% of them (2 requests) were addressed to the original Sch39grodno.schools.by, 54% (21 requests) were made to Content.schools.by and 26% (10 requests) were made to Static.schools.by. The less responsive or slowest element that took the longest time to load (4 sec) relates to the external source Content.schools.by.

Page Optimization Overview & Recommendations

Page size can be reduced by 253.1 kB (44%)

Content Size

576.2 kB

After Optimization

323.0 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Sch39grodno.schools.by main page is 576.2 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. 35% of websites need less resources to load. Javascripts take 270.6 kB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 60.4 kB

  • Original 74.4 kB
  • After minification 47.3 kB
  • After compression 14.0 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 27.2 kB, which is 36% 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 60.4 kB or 81% of the original size.

Image Optimization

-8%

Potential reduce by 18.3 kB

  • Original 225.7 kB
  • After minification 207.3 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 39 Grodno Schools images are well optimized though.

JavaScript Optimization

-63%

Potential reduce by 170.1 kB

  • Original 270.6 kB
  • After minification 270.5 kB
  • After compression 100.4 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 170.1 kB or 63% of the original size.

CSS Optimization

-77%

Potential reduce by 4.2 kB

  • Original 5.5 kB
  • After minification 4.2 kB
  • After compression 1.2 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. Sch39grodno.schools.by needs all CSS files to be minified and compressed as it can save up to 4.2 kB or 77% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

37

After Optimization

37

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 37 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Sch 39 Grodno Schools. According to our analytics all requests are already optimized.

Network Requests Diagram

sch39grodno.schools.by

sch39grodno.schools.by

900 ms

b46e773fec2a.css

b46e773fec2a.css

1303 ms

34582835efe5.css

34582835efe5.css

1128 ms

488809efab99.js

488809efab99.js

1597 ms

ga.js

ga.js

188 ms

d4885b5fb145a4127f30a9bcdadf19f7.jpg

d4885b5fb145a4127f30a9bcdadf19f7.jpg

3078 ms

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001329_124562.jpg

1163 ms

banner_afisha.jpg

banner_afisha.jpg

3086 ms

banner_min_obrazovanija.jpg

banner_min_obrazovanija.jpg

3093 ms

%D0%9E%D0%BA%D1%82%D1%80%D0%BE%D0%BE.jpg

%D0%9E%D0%BA%D1%82%D1%80%D0%BE%D0%BE.jpg

3252 ms

banner_leninskij_otdel.jpg

banner_leninskij_otdel.jpg

3108 ms

banner_groiro.jpg

banner_groiro.jpg

3106 ms

banner_SGD.gif

banner_SGD.gif

3969 ms

7657890631548629d536d2ce6397b47d.jpg

7657890631548629d536d2ce6397b47d.jpg

3240 ms

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84fd4e5455ea7fb927bd010cfd9b173e.jpg

3233 ms

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107aa19e54d4398a16c96e6fec5e3b45.jpg

3246 ms

fa8782365cd517e08949cd3e57248b38.jpg

fa8782365cd517e08949cd3e57248b38.jpg

3248 ms

d51a12145dc34762c3b2b968c3201ad0.jpg

d51a12145dc34762c3b2b968c3201ad0.jpg

3376 ms

f4fc71a42ce2ad86816024dda33d8f37.jpg

f4fc71a42ce2ad86816024dda33d8f37.jpg

3382 ms

b3a6fa436b73a0df3b06545c0f3ed25f.jpg

b3a6fa436b73a0df3b06545c0f3ed25f.jpg

3378 ms

065ba88e1e836129748973ac3126980b.jpg

065ba88e1e836129748973ac3126980b.jpg

3540 ms

235fe6105684457e42d2028f66108492.jpg

235fe6105684457e42d2028f66108492.jpg

3375 ms

0347130aeb88423473ab858225eb286f.jpg

0347130aeb88423473ab858225eb286f.jpg

3537 ms

4f52ee55b7046aa6be738687f9a90983.jpg

4f52ee55b7046aa6be738687f9a90983.jpg

3532 ms

faab76ff1abd0d98e5c703cd73d6a8ee.jpg

faab76ff1abd0d98e5c703cd73d6a8ee.jpg

3531 ms

8b87f8756dfd17cb47e40747d752fd46.jpg

8b87f8756dfd17cb47e40747d752fd46.jpg

3530 ms

001329_384908.jpg

001329_384908.jpg

1128 ms

top_menu_ico_1.png

top_menu_ico_1.png

204 ms

icos.png

icos.png

211 ms

str-3.png

str-3.png

205 ms

800210181.jpg

800210181.jpg

1974 ms

icons-blue.png

icons-blue.png

908 ms

button.png

button.png

905 ms

__utm.gif

__utm.gif

82 ms

index_ph_arrs.png

index_ph_arrs.png

1020 ms

collect

collect

903 ms

1200

1200

686 ms

upload.gif

upload.gif

684 ms

nr-918.min.js

nr-918.min.js

55 ms

Accessibility Review

sch39grodno.schools.by accessibility score

86

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.

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

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

High

Links do not have a discernible name

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

Best Practices

sch39grodno.schools.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

sch39grodno.schools.by SEO score

81

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

Mobile Friendly

Make sure your pages are mobile friendly so users don’t have to pinch or zoom in order to read the content pages. [Learn more](https://developers.google.com/search/mobile-sites/).

Impact

Issue

High

Document uses legible font sizes

High

Tap targets are not sized appropriately

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 Sch39grodno.schools.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 Sch39grodno.schools.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

sch39grodno.schools.by

Open Graph description is not detected on the main page of Sch 39 Grodno Schools. 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: