Report Summary

  • 89

    Performance

    Renders faster than
    90% of other websites

  • 64

    Accessibility

    Visual factors better than
    that of 29% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 93

    SEO

    Google-friendlier than
    83% of websites

blocky.ru

Blockly.Ru – Для будущих программистов – For tomorrow's programmers

Page Load Speed

3.7 sec in total

First Response

468 ms

Resources Loaded

3 sec

Page Rendered

199 ms

blocky.ru screenshot

About Website

Click here to check amazing Blocky content. Otherwise, check out these important facts you probably never knew about blocky.ru

Blockly.Ru является образовательным проектом для будущих программистов. Blockly.Ru is an educational project for tomorrow's programmers.

Visit blocky.ru

Key Findings

We analyzed Blocky.ru page load time and found that the first response time was 468 ms and then it took 3.2 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.

Performance Metrics

blocky.ru performance score

89

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.4 s

70/100

10%

LCP (Largest Contentful Paint)

Value2.6 s

88/100

25%

SI (Speed Index)

Value4.1 s

79/100

10%

TBT (Total Blocking Time)

Value130 ms

96/100

30%

CLS (Cumulative Layout Shift)

Value0.046

99/100

15%

TTI (Time to Interactive)

Value4.0 s

87/100

10%

Network Requests Diagram

blocky.ru

468 ms

blockly.ru

431 ms

tag.js

2033 ms

segoe.css

125 ms

exotwo.css

238 ms

Our browser made a total of 28 requests to load all elements on the main page. We found that 4% of them (1 request) were addressed to the original Blocky.ru, 93% (26 requests) were made to Blockly.ru and 4% (1 request) were made to Mc.yandex.ru. The less responsive or slowest element that took the longest time to load (2 sec) relates to the external source Mc.yandex.ru.

Page Optimization Overview & Recommendations

Page size can be reduced by 41.8 kB (8%)

Content Size

510.3 kB

After Optimization

468.5 kB

In fact, the total size of Blocky.ru main page is 510.3 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. 25% of websites need less resources to load. Images take 368.1 kB which makes up the majority of the site volume.

HTML Optimization

-79%

Potential reduce by 11.8 kB

  • Original 15.0 kB
  • After minification 12.4 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. This page needs HTML code to be minified as it can gain 2.6 kB, which is 17% 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 11.8 kB or 79% of the original size.

Image Optimization

-8%

Potential reduce by 28.0 kB

  • Original 368.1 kB
  • After minification 340.0 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. Blocky images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 117 B

  • Original 120.4 kB
  • After minification 120.4 kB
  • After compression 120.3 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

-26%

Potential reduce by 1.8 kB

  • Original 6.8 kB
  • After minification 6.6 kB
  • After compression 5.0 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. Blocky.ru needs all CSS files to be minified and compressed as it can save up to 1.8 kB or 26% of the original size.

Requests Breakdown

Number of requests can be reduced by 5 (21%)

Requests Now

24

After Optimization

19

The browser has sent 24 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Blocky. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 6 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

blocky.ru accessibility score

64

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

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

blocky.ru 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

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

blocky.ru SEO score

93

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

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

    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 Blocky.ru 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 Blocky.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

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