Tools & Wizards About Us
bl-school.com screenshot

Report Summary

  • 14

    Performance

    Renders faster than
    26% of other websites

  • 87

    Accessibility

    Visual factors better than
    that of 66% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 99

    SEO

    Google-friendlier than
    93% of websites

bl-school.com

Bratec Lis School – онлайн-школа иллюстрации и живописи

Page Load Speed

5.7 sec in total

First Response

637 ms

Resources Loaded

4.7 sec

Page Rendered

365 ms

bl-school.com screenshot

About Website

Welcome to bl-school.com homepage info - get ready to check Bl School best content for Russia right away, or after learning these important things about bl-school.com

В школе Bratec Lis School уверены - только через наслаждение своей работой можно достичь лучших результатов. А для нас нет лучшего, чем ученики, у которых получается.

Visit bl-school.com

Key Findings

We analyzed Bl-school.com page load time and found that the first response time was 637 ms and then it took 5.1 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster.

Performance Metrics

bl-school.com performance score

14

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.5 s

34/100

10%

LCP (Largest Contentful Paint)

Value13.3 s

0/100

25%

SI (Speed Index)

Value9.2 s

13/100

10%

TBT (Total Blocking Time)

Value3,180 ms

2/100

30%

CLS (Cumulative Layout Shift)

Value0.251

49/100

15%

TTI (Time to Interactive)

Value14.5 s

9/100

10%

Network Requests Diagram

bl-school.com

637 ms

bl-school.com

556 ms

www.bl-school.com

884 ms

tilda-fallback-1.0.min.js

43 ms

tilda-grid-3.0.min.css

140 ms

Our browser made a total of 72 requests to load all elements on the main page. We found that 56% of them (40 requests) were addressed to the original Bl-school.com, 7% (5 requests) were made to Vk.com and 6% (4 requests) were made to Static.tildacdn.com. The less responsive or slowest element that took the longest time to load (1.1 sec) belongs to the original domain Bl-school.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 203.4 kB (21%)

Content Size

952.3 kB

After Optimization

748.9 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Bl-school.com main page is 952.3 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. 70% of websites need less resources to load. Images take 387.8 kB which makes up the majority of the site volume.

HTML Optimization

-79%

Potential reduce by 90.9 kB

  • Original 114.7 kB
  • After minification 112.6 kB
  • After compression 23.8 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. 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 90.9 kB or 79% of the original size.

Image Optimization

-0%

Potential reduce by 18 B

  • Original 387.8 kB
  • After minification 387.8 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. Bl School images are well optimized though.

JavaScript Optimization

-16%

Potential reduce by 59.9 kB

  • Original 364.5 kB
  • After minification 364.5 kB
  • After compression 304.7 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 59.9 kB or 16% of the original size.

CSS Optimization

-62%

Potential reduce by 52.6 kB

  • Original 85.2 kB
  • After minification 85.2 kB
  • After compression 32.7 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. Bl-school.com needs all CSS files to be minified and compressed as it can save up to 52.6 kB or 62% of the original size.

Requests Breakdown

Number of requests can be reduced by 49 (82%)

Requests Now

60

After Optimization

11

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 60 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Bl School. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 34 to 1 for JavaScripts and from 11 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

bl-school.com

bl-school.com

637 ms

bl-school.com

bl-school.com

556 ms

www.bl-school.com

www.bl-school.com

884 ms

tilda-fallback-1.0.min.js

tilda-fallback-1.0.min.js

43 ms

tilda-grid-3.0.min.css

tilda-grid-3.0.min.css

140 ms

tilda-blocks-page29645671.min.css

tilda-blocks-page29645671.min.css

279 ms

tilda-animation-2.0.min.css

tilda-animation-2.0.min.css

544 ms

tilda-forms-1.0.min.css

tilda-forms-1.0.min.css

402 ms

tilda-cover-1.0.min.css

tilda-cover-1.0.min.css

403 ms

tilda-cart-1.0.min.css

tilda-cart-1.0.min.css

549 ms

highlight.min.css

highlight.min.css

560 ms

css2

css2

54 ms

custom.css

custom.css

416 ms

tilda-polyfill-1.0.min.js

tilda-polyfill-1.0.min.js

535 ms

jquery-1.10.2.min.js

jquery-1.10.2.min.js

673 ms

tilda-scripts-3.0.min.js

tilda-scripts-3.0.min.js

555 ms

tilda-blocks-page29645671.min.js

tilda-blocks-page29645671.min.js

670 ms

tilda-lazyload-1.0.min.js

tilda-lazyload-1.0.min.js

686 ms

tilda-animation-2.0.min.js

tilda-animation-2.0.min.js

697 ms

tilda-menu-1.0.min.js

tilda-menu-1.0.min.js

693 ms

tilda-zero-1.1.min.js

tilda-zero-1.1.min.js

694 ms

hammer.min.js

hammer.min.js

806 ms

tilda-slds-1.4.min.js

tilda-slds-1.4.min.js

809 ms

tilda-products-1.0.min.js

tilda-products-1.0.min.js

816 ms

tilda-catalog-1.1.min.js

tilda-catalog-1.1.min.js

977 ms

tilda-cover-1.0.min.js

tilda-cover-1.0.min.js

830 ms

tilda-forms-1.0.min.js

tilda-forms-1.0.min.js

831 ms

tilda-cart-1.0.min.js

tilda-cart-1.0.min.js

1102 ms

highlight.min.js

highlight.min.js

961 ms

tilda-zoom-2.0.min.js

tilda-zoom-2.0.min.js

945 ms

tilda-zero-scale-1.0.min.js

tilda-zero-scale-1.0.min.js

974 ms

tilda-skiplink-1.0.min.js

tilda-skiplink-1.0.min.js

991 ms

tilda-events-1.0.min.js

tilda-events-1.0.min.js

1101 ms

addthis_widget.js

addthis_widget.js

38 ms

tilda-fallback-advanced-1.0.min.js

tilda-fallback-advanced-1.0.min.js

3 ms

utm.js

utm.js

586 ms

fbevents.js

fbevents.js

73 ms

rtrg

rtrg

494 ms

analytics.js

analytics.js

108 ms

tag.js

tag.js

862 ms

gtm.js

gtm.js

110 ms

js

js

194 ms

tild6137-3333-4235-a163-336164666233_____500_px.jpg

tild6137-3333-4235-a163-336164666233_____500_px.jpg

292 ms

tild3863-3031-4238-a339-656462336664_____500_px.jpg

tild3863-3031-4238-a339-656462336664_____500_px.jpg

292 ms

rtrg

rtrg

558 ms

SlGDmQSNjdsmc35JDF1K5E55YMjF_7DPuGi-6_RUAw.ttf

SlGDmQSNjdsmc35JDF1K5E55YMjF_7DPuGi-6_RUAw.ttf

92 ms

SlGDmQSNjdsmc35JDF1K5E55YMjF_7DPuGi-2fRUAw.ttf

SlGDmQSNjdsmc35JDF1K5E55YMjF_7DPuGi-2fRUAw.ttf

176 ms

tild3237-3965-4530-b138-613130393066__huawei-p30-duvar-kag.jpg

tild3237-3965-4530-b138-613130393066__huawei-p30-duvar-kag.jpg

588 ms

tild6466-3535-4566-b939-643834353138__-__resize__20x__1633716733_11-mykale.jpeg

tild6466-3535-4566-b939-643834353138__-__resize__20x__1633716733_11-mykale.jpeg

199 ms

preload.js

preload.js

522 ms

collect

collect

55 ms

tilda-stat-1.0.min.js

tilda-stat-1.0.min.js

149 ms

tilda-forms-payments-1.0.min.js

tilda-forms-payments-1.0.min.js

95 ms

tilda-forms-dict-1.0.min.js

tilda-forms-dict-1.0.min.js

96 ms

781 ms

collect

collect

81 ms

js

js

97 ms

js

js

136 ms

772 ms

ga-audiences

ga-audiences

111 ms

openapi.318ba3d5a50b8d6990cb0284cb0e0963.js

openapi.318ba3d5a50b8d6990cb0284cb0e0963.js

231 ms

openapi.318ba3d5a50b8d6990cb0284cb0e0963.js

openapi.318ba3d5a50b8d6990cb0284cb0e0963.js

252 ms

tilda-popup-1.1.min.css

tilda-popup-1.1.min.css

140 ms

tilda-slds-1.4.min.css

tilda-slds-1.4.min.css

192 ms

rtrg

rtrg

238 ms

874 ms

tilda-catalog-1.1.min.css

tilda-catalog-1.1.min.css

141 ms

tilda-catalog-filters-1.0.min.js

tilda-catalog-filters-1.0.min.js

11 ms

tilda-catalog-filters-1.0.min.css

tilda-catalog-filters-1.0.min.css

14 ms

advert.gif

advert.gif

589 ms

tilda-zoom-2.0.min.css

tilda-zoom-2.0.min.css

139 ms

sync_cookie_image_decide

sync_cookie_image_decide

126 ms

Accessibility Review

bl-school.com accessibility score

87

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

Buttons do not have an accessible name

High

Links do not have a discernible name

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.

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

bl-school.com best practices score

75

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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

bl-school.com SEO score

99

Search Engine Optimization Advices

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 Bl-school.com 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 Bl-school.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

bl-school.com

Open Graph data is detected on the main page of Bl School. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: