Tools & Wizards About Us
dverf.ru screenshot

Report Summary

  • 32

    Performance

    Renders faster than
    52% of other websites

  • 86

    Accessibility

    Visual factors better than
    that of 61% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 92

    SEO

    Google-friendlier than
    74% of websites

dverf.ru

Домен продается. Купить в магазине доменов Руцентр

Page Load Speed

4.6 sec in total

First Response

625 ms

Resources Loaded

3.7 sec

Page Rendered

273 ms

dverf.ru screenshot

About Website

Click here to check amazing Dverf content for Kazakhstan. Otherwise, check out these important facts you probably never knew about dverf.ru

Узнать подробнее о домене в магазине доменов Руцентр.

Visit dverf.ru

Key Findings

We analyzed Dverf.ru page load time and found that the first response time was 625 ms and then it took 4 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.

Performance Metrics

dverf.ru performance score

32

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.1 s

80/100

10%

LCP (Largest Contentful Paint)

Value10.2 s

0/100

25%

SI (Speed Index)

Value6.8 s

35/100

10%

TBT (Total Blocking Time)

Value1,720 ms

10/100

30%

CLS (Cumulative Layout Shift)

Value0.063

97/100

15%

TTI (Time to Interactive)

Value9.4 s

30/100

10%

Network Requests Diagram

dverf.ru

625 ms

style.css

151 ms

jquery-1.5.min.js

663 ms

main.js

533 ms

jcarousellite_1.0.1.min.js

531 ms

Our browser made a total of 59 requests to load all elements on the main page. We found that 44% of them (26 requests) were addressed to the original Dverf.ru, 44% (26 requests) were made to Dverf.ru and 2% (1 request) were made to Counter.yadro.ru. The less responsive or slowest element that took the longest time to load (2.4 sec) belongs to the original domain Dverf.ru.

Page Optimization Overview & Recommendations

Page size can be reduced by 172.8 kB (15%)

Content Size

1.1 MB

After Optimization

967.6 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Dverf.ru main page is 1.1 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. 30% of websites need less resources to load. Images take 999.2 kB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 28.3 kB

  • Original 33.5 kB
  • After minification 30.3 kB
  • After compression 5.2 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 28.3 kB or 84% of the original size.

Image Optimization

-7%

Potential reduce by 70.0 kB

  • Original 999.2 kB
  • After minification 929.2 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. Dverf images are well optimized though.

JavaScript Optimization

-65%

Potential reduce by 54.8 kB

  • Original 84.4 kB
  • After minification 84.4 kB
  • After compression 29.6 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 54.8 kB or 65% of the original size.

CSS Optimization

-84%

Potential reduce by 19.6 kB

  • Original 23.2 kB
  • After minification 19.6 kB
  • After compression 3.6 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. Dverf.ru needs all CSS files to be minified and compressed as it can save up to 19.6 kB or 84% of the original size.

Requests Breakdown

Number of requests can be reduced by 6 (11%)

Requests Now

56

After Optimization

50

  • Images
  • JavaScript
  • CSS

The browser has sent 56 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Dverf. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests and as a result speed up the page load time.

Network Requests Diagram

dverf.ru

dverf.ru

625 ms

style.css

style.css

151 ms

jquery-1.5.min.js

jquery-1.5.min.js

663 ms

main.js

main.js

533 ms

jcarousellite_1.0.1.min.js

jcarousellite_1.0.1.min.js

531 ms

ici.png

ici.png

284 ms

video_logo_kotly_buran.png

video_logo_kotly_buran.png

2114 ms

menu.png

menu.png

154 ms

menu_hover.png

menu_hover.png

150 ms

menu_v.png

menu_v.png

155 ms

4hcFB7.jpg

4hcFB7.jpg

280 ms

kalkul.png

kalkul.png

420 ms

video_logo_manom_wka_s.png

video_logo_manom_wka_s.png

2123 ms

%D0%91%D0%B5%D0%B7%D0%B8%D0%BC%D0%B5%D0%BD%D0%B8-19.png

%D0%91%D0%B5%D0%B7%D0%B8%D0%BC%D0%B5%D0%BD%D0%B8-19.png

279 ms

%D0%91%D0%B5%D0%B7%D0%B8%D0%BC%D0%B5%D0%BD%D0%B8-18.jpg

%D0%91%D0%B5%D0%B7%D0%B8%D0%BC%D0%B5%D0%BD%D0%B8-18.jpg

406 ms

%D0%91%D0%B5%D0%B7%D0%B8%D0%BC%D0%B5%D0%BD%D0%B8-15.jpg

%D0%91%D0%B5%D0%B7%D0%B8%D0%BC%D0%B5%D0%BD%D0%B8-15.jpg

420 ms

%D0%91%D0%B5%D0%B7%D0%B8%D0%BC%D0%B5%D0%BD%D0%B8-14.jpg

%D0%91%D0%B5%D0%B7%D0%B8%D0%BC%D0%B5%D0%BD%D0%B8-14.jpg

422 ms

%D0%91%D0%B5%D0%B7%D0%B8%D0%BC%D0%B5%D0%BD%D0%B8-13.png

%D0%91%D0%B5%D0%B7%D0%B8%D0%BC%D0%B5%D0%BD%D0%B8-13.png

280 ms

%D0%91%D0%B5%D0%B7%D0%B8%D0%BC%D0%B5%D0%BD%D0%B8-12.png

%D0%91%D0%B5%D0%B7%D0%B8%D0%BC%D0%B5%D0%BD%D0%B8-12.png

426 ms

%D0%91%D0%B5%D0%B7%D0%B8%D0%BC%D0%B5%D0%BD%D0%B8-6.png

%D0%91%D0%B5%D0%B7%D0%B8%D0%BC%D0%B5%D0%BD%D0%B8-6.png

424 ms

%D0%91%D0%B5%D0%B7%D0%B8%D0%BC%D0%B5%D0%BD%D0%B8-4.jpg

%D0%91%D0%B5%D0%B7%D0%B8%D0%BC%D0%B5%D0%BD%D0%B8-4.jpg

560 ms

part_lowara.png

part_lowara.png

572 ms

logo_emerson.png

logo_emerson.png

573 ms

%D0%91%D0%B5%D0%B7%D0%B8%D0%BC%D0%B5%D0%BD%D0%B8-2.jpg

%D0%91%D0%B5%D0%B7%D0%B8%D0%BC%D0%B5%D0%BD%D0%B8-2.jpg

569 ms

1234.jpg

1234.jpg

703 ms

aumaLogo.png

aumaLogo.png

579 ms

slide3.png

slide3.png

706 ms

slide6.png

slide6.png

723 ms

%D0%91%D0%B5%D0%B7%D0%B8%D0%BC%D0%B5%D0%BD%D0%B8-8.png

%D0%91%D0%B5%D0%B7%D0%B8%D0%BC%D0%B5%D0%BD%D0%B8-8.png

714 ms

slide7.png

slide7.png

722 ms

slide4.png

slide4.png

730 ms

%D0%91%D0%B5%D0%B7%D0%B8%D0%BC%D0%B5%D0%BD%D0%B8-10.jpg

%D0%91%D0%B5%D0%B7%D0%B8%D0%BC%D0%B5%D0%BD%D0%B8-10.jpg

2092 ms

%D0%91%D0%B5%D0%B7%D0%B8%D0%BC%D0%B5%D0%BD%D0%B8-17.jpg

%D0%91%D0%B5%D0%B7%D0%B8%D0%BC%D0%B5%D0%BD%D0%B8-17.jpg

2101 ms

slide9.png

slide9.png

1960 ms

%D0%91%D0%B5%D0%B7%D0%B8%D0%BC%D0%B5%D0%BD%D0%B8-5.jpg

%D0%91%D0%B5%D0%B7%D0%B8%D0%BC%D0%B5%D0%BD%D0%B8-5.jpg

2098 ms

part_wilo.png

part_wilo.png

1950 ms

part_samson.png

part_samson.png

1946 ms

honeywell_logo.png

honeywell_logo.png

2113 ms

slide8.png

slide8.png

2116 ms

slide5.png

slide5.png

2119 ms

slide2.png

slide2.png

2209 ms

Buran_Boiler.png

Buran_Boiler.png

2242 ms

part_genebre.png

part_genebre.png

2243 ms

banner.png

banner.png

2410 ms

phone.png

phone.png

292 ms

plogo.png

plogo.png

290 ms

blt.png

blt.png

292 ms

blm.png

blm.png

402 ms

slidetopdown.png

slidetopdown.png

435 ms

blb.png

blb.png

445 ms

brt.png

brt.png

441 ms

brm.png

brm.png

552 ms

morenews.png

morenews.png

545 ms

brb.png

brb.png

587 ms

brm2.png

brm2.png

589 ms

footer.png

footer.png

591 ms

hit

hit

278 ms

watch.js

watch.js

24 ms

flogo.png

flogo.png

655 ms

Accessibility Review

dverf.ru accessibility score

86

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

Links do not have a discernible name

Best Practices

dverf.ru 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

Page has valid source maps

SEO Factors

dverf.ru SEO score

92

Search Engine Optimization Advices

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

robots.txt is not valid

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

    N/A

  • Encoding

    UTF-8

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

dverf.ru

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