Tools & Wizards About Us
algorytmika.net screenshot

Report Summary

  • 18

    Performance

    Renders faster than
    34% of other websites

  • 81

    Accessibility

    Visual factors better than
    that of 51% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 79

    SEO

    Google-friendlier than
    40% of websites

algorytmika.net

Algorithmics International Programming Courses for Kids

Page Load Speed

3.6 sec in total

First Response

665 ms

Resources Loaded

2.2 sec

Page Rendered

723 ms

algorytmika.net screenshot

About Website

Click here to check amazing Algorytmika content. Otherwise, check out these important facts you probably never knew about algorytmika.net

After-school programming classes for children with the Algorithmics franchise. Partners trust us, children love our classes, and public schools use our curriculum.

Visit algorytmika.net

Key Findings

We analyzed Algorytmika.net page load time and found that the first response time was 665 ms and then it took 2.9 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.

Performance Metrics

algorytmika.net performance score

18

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value6.3 s

3/100

10%

LCP (Largest Contentful Paint)

Value9.4 s

1/100

25%

SI (Speed Index)

Value8.2 s

20/100

10%

TBT (Total Blocking Time)

Value4,830 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value15.3 s

7/100

10%

Network Requests Diagram

algorytmika.net

665 ms

parking-crew.css

357 ms

035524.css

7 ms

manifest.js

234 ms

head-scripts-content.js

355 ms

Our browser made a total of 14 requests to load all elements on the main page. We found that 43% of them (6 requests) were addressed to the original Algorytmika.net, 14% (2 requests) were made to Google-analytics.com and 7% (1 request) were made to I.cdnpark.com. The less responsive or slowest element that took the longest time to load (782 ms) relates to the external source Mc.yandex.ru.

Page Optimization Overview & Recommendations

Page size can be reduced by 9.5 kB (6%)

Content Size

171.7 kB

After Optimization

162.2 kB

  • HTML
  • JavaScript
  • CSS

In fact, the total size of Algorytmika.net main page is 171.7 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. 20% of websites need less resources to load. Javascripts take 106.3 kB which makes up the majority of the site volume.

HTML Optimization

-71%

Potential reduce by 7.6 kB

  • Original 10.7 kB
  • After minification 10.6 kB
  • After compression 3.1 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 7.6 kB or 71% of the original size.

JavaScript Optimization

-0%

Potential reduce by 50 B

  • Original 106.3 kB
  • After minification 106.3 kB
  • After compression 106.3 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

-4%

Potential reduce by 1.9 kB

  • Original 54.7 kB
  • After minification 54.7 kB
  • After compression 52.8 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. Algorytmika.net has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 7 (54%)

Requests Now

13

After Optimization

6

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 13 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Algorytmika. 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 as a result speed up the page load time.

Network Requests Diagram

algorytmika.net

algorytmika.net

665 ms

parking-crew.css

parking-crew.css

357 ms

035524.css

035524.css

7 ms

manifest.js

manifest.js

234 ms

head-scripts-content.js

head-scripts-content.js

355 ms

head-scripts.js

head-scripts.js

367 ms

parking-crew.js

parking-crew.js

411 ms

js

js

58 ms

get_domain_data

get_domain_data

558 ms

tag.js

tag.js

782 ms

analytics.js

analytics.js

42 ms

collect

collect

20 ms

collect

collect

37 ms

ga-audiences

ga-audiences

131 ms

Accessibility Review

algorytmika.net accessibility score

81

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

Image elements do not have [alt] attributes

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

algorytmika.net 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

SEO Factors

algorytmika.net SEO score

79

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

Links do not have descriptive text

High

Image elements do not have [alt] attributes

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

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    EN

  • Encoding

    UTF-8

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

algorytmika.net

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