Tools & Wizards About Us
rk-nn.ru screenshot

Report Summary

  • 46

    Performance

    Renders faster than
    65% of other websites

  • 67

    Accessibility

    Visual factors better than
    that of 32% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 97

    SEO

    Google-friendlier than
    91% of websites

rk-nn.ru

Строительный портал Нижнего Новгорода

Page Load Speed

15.1 sec in total

First Response

611 ms

Resources Loaded

14 sec

Page Rendered

541 ms

rk-nn.ru screenshot

About Website

Welcome to rk-nn.ru homepage info - get ready to check Rk Nn best content for Russia right away, or after learning these important things about rk-nn.ru

Строительный портал Нижнего Новгорода. Статьи о строительстве, ремонте квартир, офисов, дизайне интерьера, монтаже систем вентиляции (отопления, водоснабжения, кондиционирования), электрики. Строитель...

Visit rk-nn.ru

Key Findings

We analyzed Rk-nn.ru page load time and found that the first response time was 611 ms and then it took 14.5 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.

Performance Metrics

rk-nn.ru performance score

46

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.4 s

36/100

10%

LCP (Largest Contentful Paint)

Value4.6 s

34/100

25%

SI (Speed Index)

Value8.6 s

17/100

10%

TBT (Total Blocking Time)

Value690 ms

43/100

30%

CLS (Cumulative Layout Shift)

Value0.001

100/100

15%

TTI (Time to Interactive)

Value8.3 s

40/100

10%

Network Requests Diagram

rk-nn.ru

611 ms

www.rk-nn.ru

1083 ms

jquery.min.js

645 ms

core.js

327 ms

lang-russian.js

327 ms

Our browser made a total of 78 requests to load all elements on the main page. We found that 69% of them (54 requests) were addressed to the original Rk-nn.ru, 12% (9 requests) were made to Loginza.ru and 6% (5 requests) were made to An.yandex.ru. The less responsive or slowest element that took the longest time to load (10.1 sec) relates to the external source Mc.yandex.ru.

Page Optimization Overview & Recommendations

Page size can be reduced by 576.7 kB (61%)

Content Size

939.2 kB

After Optimization

362.5 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Rk-nn.ru main page is 939.2 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. 40% of websites need less resources to load. Images take 279.8 kB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 179.5 kB

  • Original 214.3 kB
  • After minification 211.1 kB
  • After compression 34.8 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 179.5 kB or 84% of the original size.

Image Optimization

-18%

Potential reduce by 49.9 kB

  • Original 279.8 kB
  • After minification 229.9 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. Obviously, Rk Nn needs image optimization as it can save up to 49.9 kB or 18% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-69%

Potential reduce by 183.1 kB

  • Original 264.6 kB
  • After minification 235.8 kB
  • After compression 81.4 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 183.1 kB or 69% of the original size.

CSS Optimization

-91%

Potential reduce by 164.2 kB

  • Original 180.6 kB
  • After minification 55.7 kB
  • After compression 16.4 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. Rk-nn.ru needs all CSS files to be minified and compressed as it can save up to 164.2 kB or 91% of the original size.

Requests Breakdown

Number of requests can be reduced by 40 (53%)

Requests Now

75

After Optimization

35

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 75 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Rk Nn. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 13 to 1 for JavaScripts and from 10 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

rk-nn.ru

rk-nn.ru

611 ms

www.rk-nn.ru

www.rk-nn.ru

1083 ms

jquery.min.js

jquery.min.js

645 ms

core.js

core.js

327 ms

lang-russian.js

lang-russian.js

327 ms

voting.js

voting.js

327 ms

openapi.js

openapi.js

394 ms

jquery.innerfade.js

jquery.innerfade.js

327 ms

export-main.php

export-main.php

387 ms

export.php

export.php

559 ms

recent.php

recent.php

633 ms

info_allpub.php

info_allpub.php

582 ms

vote.php

vote.php

585 ms

share42.js

share42.js

551 ms

export-main.php

export-main.php

798 ms

export-main.php

export-main.php

788 ms

export-main.php

export-main.php

811 ms

export-main.php

export-main.php

821 ms

export-main.php

export-main.php

859 ms

main.css

main.css

167 ms

tools.css

tools.css

780 ms

blocks.css

blocks.css

311 ms

base.css

base.css

481 ms

engine.css

engine.css

332 ms

bbeditor.css

bbeditor.css

335 ms

stylerknn.css

stylerknn.css

372 ms

social-likes_classic.css

social-likes_classic.css

636 ms

vkontakte.png

vkontakte.png

339 ms

facebook.png

facebook.png

341 ms

google.png

google.png

342 ms

twitter.png

twitter.png

341 ms

yandex.png

yandex.png

344 ms

mailru.png

mailru.png

344 ms

openid.png

openid.png

463 ms

webmoney.png

webmoney.png

464 ms

rknn.jpg

rknn.jpg

327 ms

oformlenie-koridora.jpg

oformlenie-koridora.jpg

261 ms

analiz-pitevoy-vody.jpg

analiz-pitevoy-vody.jpg

236 ms

osobjennosti-ispolzovanija-sjekcionnykh-garazhnykh-vorot-h-rmann.jpg

osobjennosti-ispolzovanija-sjekcionnykh-garazhnykh-vorot-h-rmann.jpg

425 ms

stroitelnaya-ekspertiza-metod-teplovizionnoy-diagnostiki.jpg

stroitelnaya-ekspertiza-metod-teplovizionnoy-diagnostiki.jpg

270 ms

osobjennosti-ustanovki-kompozitnykh-panjeljej.jpg

osobjennosti-ustanovki-kompozitnykh-panjeljej.jpg

418 ms

prog1.gif

prog1.gif

401 ms

prog2.gif

prog2.gif

425 ms

prog3.gif

prog3.gif

434 ms

prog4.gif

prog4.gif

493 ms

prog5.gif

prog5.gif

580 ms

context.js

context.js

223 ms

context_static_r1065.js

context_static_r1065.js

332 ms

81287

81287

185 ms

watch.js

watch.js

182 ms

watch.js

watch.js

10058 ms

x90

x90

17 ms

x90

x90

13 ms

7769.png

7769.png

487 ms

id14235_13801.jpeg

id14235_13801.jpeg

173 ms

id14234_13800.jpeg

id14234_13800.jpeg

173 ms

id14233_13799.jpeg

id14233_13799.jpeg

170 ms

id14232_13798.jpeg

id14232_13798.jpeg

172 ms

morearrow.gif

morearrow.gif

168 ms

7697.jpg

7697.jpg

477 ms

nologo.gif

nologo.gif

317 ms

vote.php

vote.php

375 ms

icons.png

icons.png

307 ms

roistat.com

roistat.com

282 ms

y150

y150

30 ms

use-info.com

use-info.com

414 ms

data-use.com

data-use.com

535 ms

masmeb.ru

masmeb.ru

534 ms

widget.js

widget.js

129 ms

index.php

index.php

236 ms

stylerknn.css

stylerknn.css

167 ms

index.php

index.php

540 ms

qnwei.jpg

qnwei.jpg

169 ms

5ceyu.jpg

5ceyu.jpg

168 ms

4cxmf.jpg

4cxmf.jpg

170 ms

36md4.jpg

36md4.jpg

327 ms

4-sxn24uwTG40000gOE4ZhbYHcq5XPVO4vwv00001Bhmf7HizfnE_mIHiuDlE0kJLAJ00000um6kvzU0FI93Siomi9Ss1mEn0S7__________mz_2000=Ifq8Z9K2cm5kGxS2CecyYeBG0PZ__________m-AijKpX0EzkLfXg0EbhLTe1eYli0I2lAuKNGMc1vsbIACKZxEtrz8EdxXApRGAcGQWanOMivYT1Q-RD1EqaE84sP3F7DgGKmUdWZsekep6rG91iG6oe5800hcbIACKpRywxO43ph3fOFK4ql__________3zF__________m_207aJ=ZxdQHAc2W9K2cm5kGxS2YRCVYCC1cF__________3ugnNEPJ0Rs_pLoR0QMYMJC3YBsntj41lASQo0Ac79sWekW9ZwN9TVEVkA70Q0MP1g2HXn2pa2CFhv3T2RIO20dPbrCLsf284wU3UAYt9NW10q6n0RAWKW02kQ2Yw0dC1SsoNEPJ0Sws3Wte0TB__________m_J__________yFmW1z4m00

4-sxn24uwTG40000gOE4ZhbYHcq5XPVO4vwv00001Bhmf7HizfnE_mIHiuDlE0kJLAJ00000um6kvzU0FI93Siomi9Ss1mEn0S7__________mz_2000=Ifq8Z9K2cm5kGxS2CecyYeBG0PZ__________m-AijKpX0EzkLfXg0EbhLTe1eYli0I2lAuKNGMc1vsbIACKZxEtrz8EdxXApRGAcGQWanOMivYT1Q-RD1EqaE84sP3F7DgGKmUdWZsekep6rG91iG6oe5800hcbIACKpRywxO43ph3fOFK4ql__________3zF__________m_207aJ=ZxdQHAc2W9K2cm5kGxS2YRCVYCC1cF__________3ugnNEPJ0Rs_pLoR0QMYMJC3YBsntj41lASQo0Ac79sWekW9ZwN9TVEVkA70Q0MP1g2HXn2pa2CFhv3T2RIO20dPbrCLsf284wU3UAYt9NW10q6n0RAWKW02kQ2Yw0dC1SsoNEPJ0Sws3Wte0TB__________m_J__________yFmW1z4m00

193 ms

4-sxn24uwTG40000gOE4ZhbYHcq5XPVO4vwv00001Bhmf7HizfnE_mIHiuDlE0kJLAJ00000um6kvzU0FI93Siomi9Ss1mEn0S7__________mz_2000=x8aTKfK2cm5kGxS2DecwghlR0PZ__________m-Aj-6siG6ziWyy-W6begGo18YzzsOn1RoZVSC2fbATf9T40e-ynDqC2f-w40_k39a6e9ZX0hE8kw-OuGAqYBlPayq4sfWu0PIU-mQdZ3YelhM6jW51iG6oe5000hcabqG2nOyFql__________3zF__________m_207iI=u94KFfK2cm5kGxS2DOcReooO__________yFYhHsNVi4lRAf9ie4fQpOpmU8lVPpKGQyhwJ61wPadQBXQnMFiWslkW6VjX2aQWEP3A2OuGApYBklcE42j8YxsPNN0zg0-gU3OgYe6ySBGR41ig1G00Avek5h5TB__________m_J__________yFmW1u4G00=Qyfrs9K2cm5kGxS2D8cjmhq7cF__________3ug-SqBZ1BsqRvkz1AMXGi47YB-1k344lAFCm0UcGfsgX68LZx2cyA8AdxCqgIOEcGQWcE42iuYxhvZX0hI8kzcJpGJQc3W1b9cR5AUBtgYXlTy5GR41ig1G00AvgeHY5TB__________m_J__________yFmW1-4G00=qQ0exwc2W9K2cm5kGxS2CucPE0-O__________yFYhJMPW84lRFoXXS4fQcSwmQ8ky5aCGMyhwj71APIdQtg1HEFjWyIkGwVgSRcuPa6e92I8hEGoWYldG4Oj9WQ1jcLB2pQa3iBb9uW2wUD7wYmG5bp1q6n0RAWSW02kQtg1HF5Zm_DjzPc0WJEkmqgdmNI__________yFq___________3y80UHG0

4-sxn24uwTG40000gOE4ZhbYHcq5XPVO4vwv00001Bhmf7HizfnE_mIHiuDlE0kJLAJ00000um6kvzU0FI93Siomi9Ss1mEn0S7__________mz_2000=x8aTKfK2cm5kGxS2DecwghlR0PZ__________m-Aj-6siG6ziWyy-W6begGo18YzzsOn1RoZVSC2fbATf9T40e-ynDqC2f-w40_k39a6e9ZX0hE8kw-OuGAqYBlPayq4sfWu0PIU-mQdZ3YelhM6jW51iG6oe5000hcabqG2nOyFql__________3zF__________m_207iI=u94KFfK2cm5kGxS2DOcReooO__________yFYhHsNVi4lRAf9ie4fQpOpmU8lVPpKGQyhwJ61wPadQBXQnMFiWslkW6VjX2aQWEP3A2OuGApYBklcE42j8YxsPNN0zg0-gU3OgYe6ySBGR41ig1G00Avek5h5TB__________m_J__________yFmW1u4G00=Qyfrs9K2cm5kGxS2D8cjmhq7cF__________3ug-SqBZ1BsqRvkz1AMXGi47YB-1k344lAFCm0UcGfsgX68LZx2cyA8AdxCqgIOEcGQWcE42iuYxhvZX0hI8kzcJpGJQc3W1b9cR5AUBtgYXlTy5GR41ig1G00AvgeHY5TB__________m_J__________yFmW1-4G00=qQ0exwc2W9K2cm5kGxS2CucPE0-O__________yFYhJMPW84lRFoXXS4fQcSwmQ8ky5aCGMyhwj71APIdQtg1HEFjWyIkGwVgSRcuPa6e92I8hEGoWYldG4Oj9WQ1jcLB2pQa3iBb9uW2wUD7wYmG5bp1q6n0RAWSW02kQtg1HF5Zm_DjzPc0WJEkmqgdmNI__________yFq___________3y80UHG0

114 ms

Accessibility Review

rk-nn.ru accessibility score

67

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

Buttons do not have an accessible name

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

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Some elements have a [tabindex] value greater than 0

Best Practices

rk-nn.ru best practices score

75

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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

rk-nn.ru SEO score

97

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

    N/A

  • Encoding

    UTF-8

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

rk-nn.ru

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