Tools & Wizards About Us
reshebnik.ru screenshot

Report Summary

  • 45

    Performance

    Renders faster than
    64% of other websites

  • 64

    Accessibility

    Visual factors better than
    that of 30% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 69

    SEO

    Google-friendlier than
    28% of websites

reshebnik.ru

Высшая математика, эконометрика, задачи, решения Кузнецов, Чудесенко, Рябушко

Page Load Speed

3.1 sec in total

First Response

514 ms

Resources Loaded

2.5 sec

Page Rendered

141 ms

reshebnik.ru screenshot

About Website

Visit reshebnik.ru now to see the best up-to-date Reshebnik content for Russia and also check out these interesting facts you probably never knew about reshebnik.ru

Высшая математика, эконометрика - образцы решения задач на Решебник.Ру . Примеры по высшей математике и эконометрике на заказ. Консультации преподавателя по математике. Рефераты на заказ

Visit reshebnik.ru

Key Findings

We analyzed Reshebnik.ru page load time and found that the first response time was 514 ms and then it took 2.6 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

reshebnik.ru performance score

45

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.3 s

98/100

10%

LCP (Largest Contentful Paint)

Value1.5 s

100/100

25%

SI (Speed Index)

Value6.5 s

39/100

10%

TBT (Total Blocking Time)

Value23,800 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.291

41/100

15%

TTI (Time to Interactive)

Value31.9 s

0/100

10%

Network Requests Diagram

reshebnik.ru

514 ms

style.css

135 ms

top100.cnt

264 ms

yellow_rus.gif

454 ms

adx.js

494 ms

Our browser made a total of 48 requests to load all elements on the main page. We found that 15% of them (7 requests) were addressed to the original Reshebnik.ru, 25% (12 requests) were made to Vk.com and 10% (5 requests) were made to Pagead2.googlesyndication.com. The less responsive or slowest element that took the longest time to load (514 ms) belongs to the original domain Reshebnik.ru.

Page Optimization Overview & Recommendations

Page size can be reduced by 238.5 kB (71%)

Content Size

336.2 kB

After Optimization

97.6 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Reshebnik.ru main page is 336.2 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. 30% of websites need less resources to load. Javascripts take 254.8 kB which makes up the majority of the site volume.

HTML Optimization

-75%

Potential reduce by 22.2 kB

  • Original 29.7 kB
  • After minification 27.8 kB
  • After compression 7.5 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 22.2 kB or 75% of the original size.

Image Optimization

-5%

Potential reduce by 624 B

  • Original 11.9 kB
  • After minification 11.3 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. Reshebnik images are well optimized though.

JavaScript Optimization

-72%

Potential reduce by 183.8 kB

  • Original 254.8 kB
  • After minification 196.3 kB
  • After compression 71.0 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 183.8 kB or 72% of the original size.

CSS Optimization

-80%

Potential reduce by 31.9 kB

  • Original 39.8 kB
  • After minification 32.6 kB
  • After compression 7.9 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. Reshebnik.ru needs all CSS files to be minified and compressed as it can save up to 31.9 kB or 80% of the original size.

Requests Breakdown

Number of requests can be reduced by 25 (56%)

Requests Now

45

After Optimization

20

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 45 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Reshebnik. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 15 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

reshebnik.ru

reshebnik.ru

514 ms

style.css

style.css

135 ms

top100.cnt

top100.cnt

264 ms

yellow_rus.gif

yellow_rus.gif

454 ms

adx.js

adx.js

494 ms

logo0001.gif

logo0001.gif

267 ms

0.gif

0.gif

281 ms

openapi.js

openapi.js

388 ms

show_ads.js

show_ads.js

6 ms

w7.gif

w7.gif

247 ms

88x31_1.gif

88x31_1.gif

133 ms

cycounter

cycounter

257 ms

stripel.gif

stripel.gif

148 ms

att.gif

att.gif

266 ms

zachet_88x31.gif

zachet_88x31.gif

292 ms

adjs.php

adjs.php

150 ms

banner_tipovik_3.gif

banner_tipovik_3.gif

142 ms

adlog.php

adlog.php

294 ms

upload.gif

upload.gif

136 ms

widget_community.php

widget_community.php

326 ms

hit

hit

270 ms

ca-pub-3080881110665162.js

ca-pub-3080881110665162.js

114 ms

zrt_lookup.html

zrt_lookup.html

31 ms

show_ads_impl.js

show_ads_impl.js

47 ms

ads

ads

148 ms

osd.js

osd.js

6 ms

m_js_controller.js

m_js_controller.js

35 ms

abg.js

abg.js

58 ms

favicon

favicon

58 ms

googlelogo_color_112x36dp.png

googlelogo_color_112x36dp.png

57 ms

nessie_icon_tiamat_white.png

nessie_icon_tiamat_white.png

21 ms

s

s

19 ms

x_button_blue2.png

x_button_blue2.png

15 ms

loader_nav19127_3.js

loader_nav19127_3.js

136 ms

lite.css

lite.css

136 ms

lite.js

lite.js

429 ms

lang3_0.js

lang3_0.js

263 ms

widget_community.css

widget_community.css

265 ms

xdm.js

xdm.js

264 ms

al_community.js

al_community.js

266 ms

E4WYPs_lNJIuXrWpTsOcc3FIG36RfI0ERc0srw5QW9Y.js

E4WYPs_lNJIuXrWpTsOcc3FIG36RfI0ERc0srw5QW9Y.js

2 ms

counter2

counter2

155 ms

wEymhEickYk.jpg

wEymhEickYk.jpg

401 ms

CE-8jbjqltM.jpg

CE-8jbjqltM.jpg

268 ms

t3yKbJ0__UU.jpg

t3yKbJ0__UU.jpg

407 ms

camera_50.png

camera_50.png

130 ms

w_logo.png

w_logo.png

130 ms

hotlog_redirects

hotlog_redirects

357 ms

Accessibility Review

reshebnik.ru accessibility score

64

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-*] attributes do not match their roles

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

Image elements do not have [alt] attributes

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

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

reshebnik.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

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

High

Page has valid source maps

SEO Factors

reshebnik.ru SEO score

69

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

Language and Encoding

  • Language Detected

    RU

  • Language Claimed

    N/A

  • Encoding

    WINDOWS-1251

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Reshebnik.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 Reshebnik.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

reshebnik.ru

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