Tools & Wizards About Us
otvetkin.info screenshot

Report Summary

  • 35

    Performance

    Renders faster than
    55% of other websites

  • 84

    Accessibility

    Visual factors better than
    that of 56% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 100

    SEO

    Google-friendlier than
    94% of websites

otvetkin.info

ГДЗ и решебники ОТВЕТКИН - готовое домашнее задание

Page Load Speed

2.2 sec in total

First Response

27 ms

Resources Loaded

1.9 sec

Page Rendered

258 ms

otvetkin.info screenshot

About Website

Click here to check amazing Otvetkin content for Russia. Otherwise, check out these important facts you probably never knew about otvetkin.info

Сборник ГДЗ (готовых домашних заданий и решебников) по школьными предметам с 1 по 11 класс. Только свежие и актуальные решебники. Удобные онлайн сервисы-помощники. Быстрый поиск по сайту.

Visit otvetkin.info

Key Findings

We analyzed Otvetkin.info page load time and found that the first response time was 27 ms and then it took 2.2 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 45% of websites can load faster.

Performance Metrics

otvetkin.info performance score

35

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.5 s

96/100

10%

LCP (Largest Contentful Paint)

Value16.5 s

0/100

25%

SI (Speed Index)

Value6.1 s

45/100

10%

TBT (Total Blocking Time)

Value1,400 ms

16/100

30%

CLS (Cumulative Layout Shift)

Value0.001

100/100

15%

TTI (Time to Interactive)

Value14.1 s

10/100

10%

Network Requests Diagram

otvetkin.info

27 ms

otvetkin.info

767 ms

style.css

23 ms

tablet.css

31 ms

left-place.css

36 ms

Our browser made a total of 56 requests to load all elements on the main page. We found that 91% of them (51 requests) were addressed to the original Otvetkin.info, 4% (2 requests) were made to Yandex.ru and 2% (1 request) were made to Fonts.googleapis.com. The less responsive or slowest element that took the longest time to load (1.2 sec) relates to the external source Yandex.ru.

Page Optimization Overview & Recommendations

Page size can be reduced by 59.0 kB (16%)

Content Size

362.8 kB

After Optimization

303.9 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Otvetkin.info main page is 362.8 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. 45% of websites need less resources to load. Images take 196.5 kB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 45.7 kB

  • Original 55.0 kB
  • After minification 49.0 kB
  • After compression 9.3 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 6.0 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 45.7 kB or 83% of the original size.

Image Optimization

-5%

Potential reduce by 10.2 kB

  • Original 196.5 kB
  • After minification 186.3 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. Otvetkin images are well optimized though.

JavaScript Optimization

-1%

Potential reduce by 573 B

  • Original 89.4 kB
  • After minification 89.4 kB
  • After compression 88.8 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

-11%

Potential reduce by 2.5 kB

  • Original 22.0 kB
  • After minification 22.0 kB
  • After compression 19.5 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. Otvetkin.info needs all CSS files to be minified and compressed as it can save up to 2.5 kB or 11% of the original size.

Requests Breakdown

Number of requests can be reduced by 17 (31%)

Requests Now

54

After Optimization

37

  • Images
  • JavaScript
  • CSS

The browser has sent 54 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Otvetkin. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 10 to 1 for JavaScripts and from 9 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

otvetkin.info

otvetkin.info

27 ms

otvetkin.info

otvetkin.info

767 ms

style.css

style.css

23 ms

tablet.css

tablet.css

31 ms

left-place.css

left-place.css

36 ms

right-place-150.css

right-place-150.css

35 ms

right-place-300.css

right-place-300.css

33 ms

center-place-970.css

center-place-970.css

38 ms

header-bidding.js

header-bidding.js

750 ms

context.js

context.js

1152 ms

css2

css2

68 ms

swiper.min.css

swiper.min.css

34 ms

magnific-popup.css

magnific-popup.css

66 ms

email-decode.min.js

email-decode.min.js

34 ms

jquery-3.6.0.min.js

jquery-3.6.0.min.js

76 ms

swiper.min.js

swiper.min.js

87 ms

jquery.magnific-popup.min.js

jquery.magnific-popup.min.js

92 ms

main.js

main.js

86 ms

commons.js

commons.js

93 ms

js

js

101 ms

otvetkin.info.js

otvetkin.info.js

508 ms

logo-mobile.svg

logo-mobile.svg

68 ms

sprite.svg

sprite.svg

60 ms

search.svg

search.svg

58 ms

responsive.svg

responsive.svg

61 ms

new.svg

new.svg

63 ms

services.svg

services.svg

64 ms

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66 ms

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66 ms

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65 ms

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66 ms

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68 ms

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69 ms

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69 ms

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70 ms

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70 ms

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71 ms

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71 ms

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71 ms

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72 ms

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71 ms

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73 ms

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74 ms

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73 ms

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74 ms

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75 ms

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74 ms

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75 ms

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77 ms

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81 ms

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73 ms

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62 ms

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57 ms

logo-dark-mobile.svg

logo-dark-mobile.svg

47 ms

email.svg

email.svg

47 ms

check.svg

check.svg

41 ms

Accessibility Review

otvetkin.info accessibility score

84

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

Links do not have a discernible name

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

otvetkin.info best practices score

83

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

SEO Factors

otvetkin.info SEO score

100

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

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 Otvetkin.info 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 Otvetkin.info 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

otvetkin.info

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