Report Summary

  • 17

    Performance

    Renders faster than
    32% of other websites

  • 86

    Accessibility

    Visual factors better than
    that of 61% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 98

    SEO

    Google-friendlier than
    92% of websites

kontrolnaya-rabota.ru

Все онлайн калькуляторы для решения задач · Контрольная Работа РУ · Теперь вы можете задать любой вопрос!

Page Load Speed

3 sec in total

First Response

291 ms

Resources Loaded

2.5 sec

Page Rendered

268 ms

kontrolnaya-rabota.ru screenshot

About Website

Welcome to kontrolnaya-rabota.ru homepage info - get ready to check Kontrolnaya Rabota best content for Russia right away, or after learning these important things about kontrolnaya-rabota.ru

Контрольная Работа РУ - это сервисы по решению задач онлайн. Это не только калькуляторы онлайн, но ещё и возможность задать любой вопрос!

Visit kontrolnaya-rabota.ru

Key Findings

We analyzed Kontrolnaya-rabota.ru page load time and found that the first response time was 291 ms and then it took 2.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 50% of websites can load faster.

Performance Metrics

kontrolnaya-rabota.ru performance score

17

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.6 s

33/100

10%

LCP (Largest Contentful Paint)

Value17.0 s

0/100

25%

SI (Speed Index)

Value29.6 s

0/100

10%

TBT (Total Blocking Time)

Value14,730 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.102

89/100

15%

TTI (Time to Interactive)

Value63.3 s

0/100

10%

Network Requests Diagram

kontrolnaya-rabota.ru

291 ms

www.kontrolnaya-rabota.ru

462 ms

194 ms

js

54 ms

tag.js

902 ms

Our browser made a total of 14 requests to load all elements on the main page. We found that 64% of them (9 requests) were addressed to the original Kontrolnaya-rabota.ru, 7% (1 request) were made to Googletagmanager.com and 7% (1 request) were made to Mc.yandex.ru. The less responsive or slowest element that took the longest time to load (956 ms) relates to the external source Yandex.ru.

Page Optimization Overview & Recommendations

Page size can be reduced by 17.3 kB (16%)

Content Size

108.6 kB

After Optimization

91.4 kB

In fact, the total size of Kontrolnaya-rabota.ru main page is 108.6 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 85.4 kB which makes up the majority of the site volume.

HTML Optimization

-74%

Potential reduce by 17.3 kB

  • Original 23.3 kB
  • After minification 20.7 kB
  • After compression 6.0 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. This page needs HTML code to be minified as it can gain 2.6 kB, which is 11% 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 17.3 kB or 74% of the original size.

JavaScript Optimization

-0%

Potential reduce by 0 B

  • Original 85.4 kB
  • After minification 85.4 kB
  • After compression 85.4 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.

Requests Breakdown

Number of requests can be reduced by 6 (60%)

Requests Now

10

After Optimization

4

The browser has sent 10 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Kontrolnaya Rabota. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 7 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

kontrolnaya-rabota.ru accessibility score

86

Accessibility Issues

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

[aria-hidden="true"] elements contain focusable descendents

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

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

Best practices

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

kontrolnaya-rabota.ru best practices score

75

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

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

kontrolnaya-rabota.ru SEO score

98

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

    RU

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Kontrolnaya-rabota.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 Kontrolnaya-rabota.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 Kontrolnaya Rabota. 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: