Tools & Wizards About Us
doc4web.ru screenshot

Report Summary

  • 41

    Performance

    Renders faster than
    60% of other websites

  • 61

    Accessibility

    Visual factors better than
    that of 27% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 91

    SEO

    Google-friendlier than
    70% of websites

doc4web.ru

Хостинг для документов Doc4web.ru: презентации, контрольные работы, сочинения, классные часы, конспекты уроков

Page Load Speed

3.4 sec in total

First Response

167 ms

Resources Loaded

2.8 sec

Page Rendered

446 ms

doc4web.ru screenshot

About Website

Click here to check amazing Doc4web content for Russia. Otherwise, check out these important facts you probably never knew about doc4web.ru

Хостинг для документов Doc4web.ru дает возможность делиться разными полезными в учебе документами онлайн всем пользователям бесплатно

Visit doc4web.ru

Key Findings

We analyzed Doc4web.ru page load time and found that the first response time was 167 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

doc4web.ru performance score

41

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.3 s

73/100

10%

LCP (Largest Contentful Paint)

Value4.3 s

41/100

25%

SI (Speed Index)

Value5.3 s

58/100

10%

TBT (Total Blocking Time)

Value1,840 ms

9/100

30%

CLS (Cumulative Layout Shift)

Value0.078

95/100

15%

TTI (Time to Interactive)

Value14.6 s

8/100

10%

Network Requests Diagram

doc4web.ru

167 ms

doc4web.ru

847 ms

styles.css

21 ms

jquery.min.js

45 ms

jquery.ba-bbq.min.js

39 ms

Our browser made a total of 162 requests to load all elements on the main page. We found that 80% of them (129 requests) were addressed to the original Doc4web.ru, 5% (8 requests) were made to Fonts.gstatic.com and 1% (2 requests) were made to Google-analytics.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 162.2 kB (10%)

Content Size

1.6 MB

After Optimization

1.4 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Doc4web.ru main page is 1.6 MB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 70% of websites need less resources to load. Images take 1.1 MB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 80.4 kB

  • Original 98.8 kB
  • After minification 87.3 kB
  • After compression 18.4 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 11.5 kB, which is 12% 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 80.4 kB or 81% of the original size.

Image Optimization

-7%

Potential reduce by 75.7 kB

  • Original 1.1 MB
  • After minification 1.0 MB

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. Doc4web images are well optimized though.

JavaScript Optimization

-1%

Potential reduce by 3.1 kB

  • Original 338.4 kB
  • After minification 338.4 kB
  • After compression 335.3 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

-15%

Potential reduce by 3.0 kB

  • Original 20.3 kB
  • After minification 20.2 kB
  • After compression 17.2 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. Doc4web.ru needs all CSS files to be minified and compressed as it can save up to 3.0 kB or 15% of the original size.

Requests Breakdown

Number of requests can be reduced by 36 (24%)

Requests Now

148

After Optimization

112

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 148 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Doc4web. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 17 to 1 for JavaScripts and from 7 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

doc4web.ru

doc4web.ru

167 ms

doc4web.ru

doc4web.ru

847 ms

styles.css

styles.css

21 ms

jquery.min.js

jquery.min.js

45 ms

jquery.ba-bbq.min.js

jquery.ba-bbq.min.js

39 ms

jquery.tooltip.js

jquery.tooltip.js

39 ms

all.js

all.js

38 ms

css

css

68 ms

css

css

73 ms

normalize.css

normalize.css

38 ms

form.css

form.css

59 ms

responsive.css

responsive.css

63 ms

font-awesome.min.css

font-awesome.min.css

60 ms

adsbygoogle.js

adsbygoogle.js

284 ms

header-bidding.js

header-bidding.js

797 ms

context.js

context.js

1211 ms

cse.js

cse.js

67 ms

common_400.js

common_400.js

986 ms

jquery.min.js

jquery.min.js

57 ms

mSetupWidget

mSetupWidget

643 ms

jquery.yiilistview.js

jquery.yiilistview.js

59 ms

sdk.js

sdk.js

55 ms

doc4web.ru.js

doc4web.ru.js

673 ms

basic.png

basic.png

51 ms

hit

hit

627 ms

watch.js

watch.js

18 ms

analytics.js

analytics.js

54 ms

context.js

context.js

1017 ms

colorblocks-pic1.jpg

colorblocks-pic1.jpg

40 ms

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colorblocks-pic2.jpg

42 ms

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38 ms

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5.png

162 ms

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232 ms

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232 ms

sdk.js

sdk.js

10 ms

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652 ms

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223 ms

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217 ms

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234 ms

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266 ms

collect

collect

70 ms

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147 ms

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167 ms

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164 ms

KFOmCnqEu92Fr1Mu5mxP.ttf

KFOmCnqEu92Fr1Mu5mxP.ttf

88 ms

KFOlCnqEu92Fr1MmEU9fABc9.ttf

KFOlCnqEu92Fr1MmEU9fABc9.ttf

105 ms

KFOlCnqEu92Fr1MmSU5fABc9.ttf

KFOlCnqEu92Fr1MmSU5fABc9.ttf

123 ms

KFOlCnqEu92Fr1MmWUlfABc9.ttf

KFOlCnqEu92Fr1MmWUlfABc9.ttf

140 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

67 ms

ieVo2ZhZI2eCN5jzbjEETS9weq8-_d6T_POl0fRJeyVVpcBK5Xk.ttf

ieVo2ZhZI2eCN5jzbjEETS9weq8-_d6T_POl0fRJeyVVpcBK5Xk.ttf

139 ms

ieVo2ZhZI2eCN5jzbjEETS9weq8-_d6T_POl0fRJeyVspcBK5Xk.ttf

ieVo2ZhZI2eCN5jzbjEETS9weq8-_d6T_POl0fRJeyVspcBK5Xk.ttf

138 ms

ieVo2ZhZI2eCN5jzbjEETS9weq8-_d6T_POl0fRJeyWyosBK5Xk.ttf

ieVo2ZhZI2eCN5jzbjEETS9weq8-_d6T_POl0fRJeyWyosBK5Xk.ttf

138 ms

ieVo2ZhZI2eCN5jzbjEETS9weq8-_d6T_POl0fRJeyXsosBK5Xk.ttf

ieVo2ZhZI2eCN5jzbjEETS9weq8-_d6T_POl0fRJeyXsosBK5Xk.ttf

137 ms

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153 ms

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157 ms

show_ads_impl.js

show_ads_impl.js

247 ms

78.png

78.png

109 ms

js

js

111 ms

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109 ms

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134 ms

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112 ms

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100 ms

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150 ms

banner5.gif

banner5.gif

149 ms

ban.png

ban.png

136 ms

basi-fot.png

basi-fot.png

137 ms

zrt_lookup.html

zrt_lookup.html

68 ms

ads

ads

132 ms

genall.php

genall.php

786 ms

Accessibility Review

doc4web.ru accessibility score

61

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.

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

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

Image elements do not have [alt] attributes

High

Form elements do not have associated labels

Best Practices

doc4web.ru best practices score

67

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

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

doc4web.ru SEO score

91

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

High

Tap targets are not sized appropriately

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 Doc4web.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 Doc4web.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

doc4web.ru

Open Graph description is not detected on the main page of Doc4web. 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: