Tools & Wizards About Us
lschool4.ru screenshot

Report Summary

  • 53

    Performance

    Renders faster than
    70% of other websites

  • 67

    Accessibility

    Visual factors better than
    that of 32% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    20% of websites

  • 69

    SEO

    Google-friendlier than
    28% of websites

lschool4.ru

Лянторская школа №4

Page Load Speed

8.5 sec in total

First Response

1.2 sec

Resources Loaded

6.6 sec

Page Rendered

654 ms

lschool4.ru screenshot

About Website

Click here to check amazing Lschool 4 content for Russia. Otherwise, check out these important facts you probably never knew about lschool4.ru

Лянторская школа, школа №4, Лянтор, школы Лянтора, образование Лянтор

Visit lschool4.ru

Key Findings

We analyzed Lschool4.ru page load time and found that the first response time was 1.2 sec and then it took 7.2 sec to load all DOM resources and completely render a web page. This is a poor result, as 85% of websites can load faster.

Performance Metrics

lschool4.ru performance score

53

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.3 s

7/100

10%

LCP (Largest Contentful Paint)

Value5.8 s

15/100

25%

SI (Speed Index)

Value7.5 s

27/100

10%

TBT (Total Blocking Time)

Value190 ms

90/100

30%

CLS (Cumulative Layout Shift)

Value0.101

89/100

15%

TTI (Time to Interactive)

Value6.8 s

55/100

10%

Network Requests Diagram

www.lschool4.ru

1246 ms

css-b518d664167dd795248190ff44b8159f.php

243 ms

css-75ef79676067c1d7127b2f6894bf1304.php

245 ms

css-a962defe59c79e3a20b7a6f6843c7aac.php

250 ms

css-bb0b50e8f92e6fbe159e20687c56ff33.php

256 ms

Our browser made a total of 136 requests to load all elements on the main page. We found that 81% of them (110 requests) were addressed to the original Lschool4.ru, 13% (18 requests) were made to A.forecabox.com and 2% (3 requests) were made to Google.com. The less responsive or slowest element that took the longest time to load (4.1 sec) relates to the external source Rating.rosnou.ru.

Page Optimization Overview & Recommendations

Page size can be reduced by 337.8 kB (26%)

Content Size

1.3 MB

After Optimization

983.5 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Lschool4.ru main page is 1.3 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. 50% of websites need less resources to load. Images take 969.2 kB which makes up the majority of the site volume.

HTML Optimization

-85%

Potential reduce by 118.7 kB

  • Original 139.5 kB
  • After minification 120.1 kB
  • After compression 20.8 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 19.4 kB, which is 14% 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 118.7 kB or 85% of the original size.

Image Optimization

-7%

Potential reduce by 72.1 kB

  • Original 969.2 kB
  • After minification 897.1 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. Lschool 4 images are well optimized though.

JavaScript Optimization

-70%

Potential reduce by 145.4 kB

  • Original 209.0 kB
  • After minification 191.5 kB
  • After compression 63.6 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 145.4 kB or 70% of the original size.

CSS Optimization

-46%

Potential reduce by 1.6 kB

  • Original 3.5 kB
  • After minification 3.4 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. Lschool4.ru needs all CSS files to be minified and compressed as it can save up to 1.6 kB or 46% of the original size.

Requests Breakdown

Number of requests can be reduced by 38 (30%)

Requests Now

127

After Optimization

89

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 127 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Lschool 4. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 13 to 1 for JavaScripts and from 10 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

www.lschool4.ru

www.lschool4.ru

1246 ms

css-b518d664167dd795248190ff44b8159f.php

css-b518d664167dd795248190ff44b8159f.php

243 ms

css-75ef79676067c1d7127b2f6894bf1304.php

css-75ef79676067c1d7127b2f6894bf1304.php

245 ms

css-a962defe59c79e3a20b7a6f6843c7aac.php

css-a962defe59c79e3a20b7a6f6843c7aac.php

250 ms

css-bb0b50e8f92e6fbe159e20687c56ff33.php

css-bb0b50e8f92e6fbe159e20687c56ff33.php

256 ms

js-bfa910897c5a46709d5c6f37dcf2d3ce.php

js-bfa910897c5a46709d5c6f37dcf2d3ce.php

498 ms

shadowbox.css

shadowbox.css

247 ms

sexylightbox.css

sexylightbox.css

359 ms

mod_yoo_toppanel.css.php

mod_yoo_toppanel.css.php

371 ms

jcomments-v2.1.js

jcomments-v2.1.js

367 ms

jquery.js

jquery.js

524 ms

jquery.easing.1.3.js

jquery.easing.1.3.js

481 ms

script.v2.3.4.js

script.v2.3.4.js

487 ms

jquery.nc.js

jquery.nc.js

491 ms

script.js

script.js

490 ms

jquery.nc.js

jquery.nc.js

597 ms

mod_yoo_toppanel.js

mod_yoo_toppanel.js

606 ms

jsapi

jsapi

16 ms

ajax_1.3.js

ajax_1.3.js

611 ms

yoo_effects.js.php

yoo_effects.js.php

620 ms

swfobject.js

swfobject.js

613 ms

top100.jcn

top100.jcn

499 ms

15 ms

default+en.I.js

default+en.I.js

6 ms

main-bg2.png

main-bg2.png

187 ms

ratingtop140x140.png

ratingtop140x140.png

4079 ms

ratingtop.gif

ratingtop.gif

249 ms

main-bg.jpg

main-bg.jpg

177 ms

main-bg-bottom.jpg

main-bg-bottom.jpg

181 ms

topbar-r3.png

topbar-r3.png

178 ms

template_thumbnail.png

template_thumbnail.png

180 ms

fonttools_small.png

fonttools_small.png

178 ms

fonttools_big.png

fonttools_big.png

236 ms

header-main.png

header-main.png

235 ms

logo.png

logo.png

842 ms

dnevnik.png

dnevnik.png

242 ms

img_8043.jpg

img_8043.jpg

362 ms

img_5719.jpg

img_5719.jpg

364 ms

img_5715.jpg

img_5715.jpg

472 ms

img_5718.jpg

img_5718.jpg

580 ms

img_4245.jpg

img_4245.jpg

486 ms

img_7125.jpg

img_7125.jpg

602 ms

9hgc5eqmike.jpg

9hgc5eqmike.jpg

604 ms

img_5720.jpg

img_5720.jpg

591 ms

img_5721.jpg

img_5721.jpg

729 ms

img_5716.jpg

img_5716.jpg

812 ms

2562.jpg

2562.jpg

711 ms

3425.jpg

3425.jpg

722 ms

1.jpg

1.jpg

722 ms

2.jpg

2.jpg

831 ms

4.jpg

4.jpg

842 ms

3.jpg

3.jpg

845 ms

8.jpg

8.jpg

848 ms

9.jpg

9.jpg

929 ms

10.jpg

10.jpg

949 ms

5.jpg

5.jpg

955 ms

7.jpg

7.jpg

960 ms

6.jpg

6.jpg

963 ms

img_4876_thumb.jpg

img_4876_thumb.jpg

966 ms

img_3399_thumb.jpg

img_3399_thumb.jpg

1047 ms

2222.png

2222.png

1068 ms

762314.jpg

762314.jpg

1074 ms

30055

30055

711 ms

top100.scn

top100.scn

127 ms

2613.jpg

2613.jpg

914 ms

calendar.gif

calendar.gif

916 ms

archive_rar.gif

archive_rar.gif

918 ms

2940.jpg

2940.jpg

990 ms

internet-resursy.png

internet-resursy.png

1019 ms

on-2.png

on-2.png

1023 ms

dom-2.png

dom-2.png

975 ms

dosr-2.png

dosr-2.png

976 ms

ipp-2.png

ipp-2.png

973 ms

poo2.png

poo2.png

922 ms

lnk_b_3.gif

lnk_b_3.gif

955 ms

lnk_b_4.gif

lnk_b_4.gif

852 ms

lnk_b_1.gif

lnk_b_1.gif

843 ms

lnk_b_2.gif

lnk_b_2.gif

753 ms

lnk_b_5.gif

lnk_b_5.gif

742 ms

76122344.jpg

76122344.jpg

796 ms

img.php

img.php

895 ms

header-overlay.png

header-overlay.png

727 ms

search-bg.png

search-bg.png

725 ms

10339.png

10339.png

726 ms

menu-overlay.png

menu-overlay.png

723 ms

counter

counter

263 ms

aw_iframe.css

aw_iframe.css

128 ms

aw_general.css

aw_general.css

238 ms

T_140X350.css

T_140X350.css

240 ms

S_4_C_1.css

S_4_C_1.css

241 ms

n000.png

n000.png

238 ms

w225.gif

w225.gif

255 ms

n400.png

n400.png

255 ms

w225.gif

w225.gif

351 ms

d400.png

d400.png

357 ms

w180.gif

w180.gif

355 ms

d221.png

d221.png

357 ms

d432.png

d432.png

373 ms

d222.png

d222.png

376 ms

w000.gif

w000.gif

466 ms

foreca.gif

foreca.gif

471 ms

topmenu-item-m.png

topmenu-item-m.png

705 ms

topmenu-item-l.png

topmenu-item-l.png

729 ms

topmenu-item-r.png

topmenu-item-r.png

730 ms

drop-bg-1.png

drop-bg-1.png

727 ms

drop-item.png

drop-item.png

727 ms

drop-arrow.png

drop-arrow.png

768 ms

topmenu-daddy.png

topmenu-daddy.png

702 ms

drop-bg-2.png

drop-bg-2.png

729 ms

header-shadow.png

header-shadow.png

729 ms

panel_bg.png

panel_bg.png

727 ms

trigger_l.png

trigger_l.png

726 ms

trigger_m.png

trigger_m.png

768 ms

forecacom4.gif

forecacom4.gif

235 ms

table_back_1cyan.jpg

table_back_1cyan.jpg

236 ms

trigger_r.png

trigger_r.png

697 ms

main-bg.png

main-bg.png

728 ms

main-overlay.png

main-overlay.png

728 ms

bg.jpg

bg.jpg

727 ms

articleinfo-bg2.png

articleinfo-bg2.png

727 ms

breadcrumb-home.png

breadcrumb-home.png

769 ms

module-tm.png

module-tm.png

703 ms

module-l.png

module-l.png

728 ms

module-r.png

module-r.png

728 ms

module-bm.png

module-bm.png

730 ms

module-tl.png

module-tl.png

727 ms

module-tr.png

module-tr.png

768 ms

module-bl.png

module-bl.png

703 ms

module-br.png

module-br.png

727 ms

module-title2-m.png

module-title2-m.png

727 ms

module-title2-l.png

module-title2-l.png

727 ms

module-title2-r.png

module-title2-r.png

727 ms

module-title-icon.png

module-title-icon.png

767 ms

sidemenu-div.png

sidemenu-div.png

702 ms

footer-main.png

footer-main.png

722 ms

totop.png

totop.png

729 ms

Accessibility Review

lschool4.ru accessibility score

67

Accessibility Issues

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

Image elements do not have [alt] attributes

High

Form elements do not have associated labels

High

Links do not have a discernible name

Best Practices

lschool4.ru best practices score

58

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

lschool4.ru SEO score

69

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

    RU

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Lschool4.ru can be misinterpreted by Google and other search engines. Our service has detected that Russian is used on the page, and it matches the claimed language. Our system also found out that Lschool4.ru 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

lschool4.ru

Open Graph description is not detected on the main page of Lschool 4. 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: