Report Summary

  • 22

    Performance

    Renders faster than
    40% of other websites

  • 85

    Accessibility

    Visual factors better than
    that of 58% of websites

  • 42

    Best Practices

    More advanced features
    available than in
    19% of websites

  • 77

    SEO

    Google-friendlier than
    36% of websites

kazus.ru

Электронный портал | Datasheets, Микроконтроллеры msp430 avr pic mega128 microcontroller Flash-memory

Page Load Speed

7.3 sec in total

First Response

382 ms

Resources Loaded

6.7 sec

Page Rendered

180 ms

kazus.ru screenshot

About Website

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

KAZUS.RU - это электронный портал, на котором Вы найдете принципиальные схемы, документацию на электронные компоненты (datasheets), сможете задать Ваши вопросы на тематических форумах и многое другое

Visit kazus.ru

Key Findings

We analyzed Kazus.ru page load time and found that the first response time was 382 ms and then it took 6.9 sec to load all DOM resources and completely render a web page. This is a poor result, as 80% of websites can load faster.

Performance Metrics

kazus.ru performance score

22

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.2 s

44/100

10%

LCP (Largest Contentful Paint)

Value7.3 s

4/100

25%

SI (Speed Index)

Value9.1 s

14/100

10%

TBT (Total Blocking Time)

Value2,720 ms

3/100

30%

CLS (Cumulative Layout Shift)

Value0.084

93/100

15%

TTI (Time to Interactive)

Value17.4 s

4/100

10%

Network Requests Diagram

kazus.ru

382 ms

kazus.ru

414 ms

style.css

97 ms

round-button.css

191 ms

magnific-popup.css

286 ms

Our browser made a total of 85 requests to load all elements on the main page. We found that 14% of them (12 requests) were addressed to the original Kazus.ru, 14% (12 requests) were made to G.alicdn.com and 13% (11 requests) were made to Pagead2.googlesyndication.com. The less responsive or slowest element that took the longest time to load (1.5 sec) relates to the external source Customfingerprints.bablosoft.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 98.8 kB (10%)

Content Size

962.1 kB

After Optimization

863.3 kB

In fact, the total size of Kazus.ru main page is 962.1 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. 60% of websites need less resources to load. Javascripts take 816.4 kB which makes up the majority of the site volume.

HTML Optimization

-76%

Potential reduce by 43.9 kB

  • Original 57.9 kB
  • After minification 57.0 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. 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 43.9 kB or 76% of the original size.

Image Optimization

-1%

Potential reduce by 1.1 kB

  • Original 80.0 kB
  • After minification 78.9 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. Kazus images are well optimized though.

JavaScript Optimization

-7%

Potential reduce by 53.2 kB

  • Original 816.4 kB
  • After minification 816.4 kB
  • After compression 763.2 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

-8%

Potential reduce by 603 B

  • Original 7.8 kB
  • After minification 7.8 kB
  • After compression 7.2 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. Kazus.ru has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 56 (73%)

Requests Now

77

After Optimization

21

The browser has sent 77 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Kazus. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 38 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

kazus.ru accessibility score

85

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

Form elements do not have associated labels

High

Links do not have a discernible name

Best Practices

kazus.ru best practices score

42

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

Displays images with incorrect aspect ratio

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Missing source maps for large first-party JavaScript

High

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

kazus.ru SEO score

77

Search Engine Optimization Advices

Language and Encoding

  • Language Detected

    RU

  • Language Claimed

    RU

  • Encoding

    WINDOWS-1251

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Kazus.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 Kazus.ru main page’s claimed encoding is windows-1251. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

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