Tools & Wizards About Us
domofon-sh.ru screenshot

Report Summary

  • 17

    Performance

    Renders faster than
    33% of other websites

  • 59

    Accessibility

    Visual factors better than
    that of 26% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    19% of websites

  • 83

    SEO

    Google-friendlier than
    46% of websites

domofon-sh.ru

Купить видеодомофон с гарантией. Установка домофонов, Москва. Тел. 8 (499) 677-16-67

Page Load Speed

8 sec in total

First Response

1.5 sec

Resources Loaded

6.1 sec

Page Rendered

419 ms

domofon-sh.ru screenshot

About Website

Welcome to domofon-sh.ru homepage info - get ready to check Domofon Sh best content for Russia right away, or after learning these important things about domofon-sh.ru

Хотите купить видеодомофон недорого? Предлагаем купить домофон в интернет магазине с монтажом и обслуживанием в Москве и МО. Интернет-магазин домофонов Щелковская Домофонная Служба. Тел. 8 (499) 677-1...

Visit domofon-sh.ru

Key Findings

We analyzed Domofon-sh.ru page load time and found that the first response time was 1.5 sec and then it took 6.5 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster.

Performance Metrics

domofon-sh.ru performance score

17

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.8 s

28/100

10%

LCP (Largest Contentful Paint)

Value25.1 s

0/100

25%

SI (Speed Index)

Value17.3 s

0/100

10%

TBT (Total Blocking Time)

Value20,110 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.07

96/100

15%

TTI (Time to Interactive)

Value28.3 s

0/100

10%

Network Requests Diagram

domofon-sh.ru

1480 ms

www.domofon-sh.ru

2178 ms

style.css

490 ms

user.js

624 ms

bg24-4_1.gif

73 ms

Our browser made a total of 48 requests to load all elements on the main page. We found that 56% of them (27 requests) were addressed to the original Domofon-sh.ru, 13% (6 requests) were made to Static.cloudim.ru and 10% (5 requests) were made to Counter.24log.ru. The less responsive or slowest element that took the longest time to load (2.2 sec) belongs to the original domain Domofon-sh.ru.

Page Optimization Overview & Recommendations

Page size can be reduced by 102.5 kB (41%)

Content Size

247.8 kB

After Optimization

145.3 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Domofon-sh.ru main page is 247.8 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. 15% of websites need less resources to load. Images take 142.3 kB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 59.5 kB

  • Original 73.7 kB
  • After minification 68.0 kB
  • After compression 14.2 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 59.5 kB or 81% of the original size.

Image Optimization

-16%

Potential reduce by 23.1 kB

  • Original 142.3 kB
  • After minification 119.2 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. Obviously, Domofon Sh needs image optimization as it can save up to 23.1 kB or 16% 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 11.0 kB

  • Original 15.9 kB
  • After minification 13.4 kB
  • After compression 4.9 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 11.0 kB or 69% of the original size.

CSS Optimization

-56%

Potential reduce by 8.9 kB

  • Original 15.9 kB
  • After minification 15.2 kB
  • After compression 7.0 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. Domofon-sh.ru needs all CSS files to be minified and compressed as it can save up to 8.9 kB or 56% of the original size.

Requests Breakdown

Number of requests can be reduced by 17 (40%)

Requests Now

43

After Optimization

26

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 43 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Domofon Sh. 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

domofon-sh.ru

domofon-sh.ru

1480 ms

www.domofon-sh.ru

www.domofon-sh.ru

2178 ms

style.css

style.css

490 ms

user.js

user.js

624 ms

bg24-4_1.gif

bg24-4_1.gif

73 ms

wisper.gif

wisper.gif

528 ms

logo_centers.gif

logo_centers.gif

626 ms

logo_centres.gif

logo_centres.gif

632 ms

logo_center-s.gif

logo_center-s.gif

639 ms

logo_brandcenter.gif

logo_brandcenter.gif

531 ms

sbridge_88x31.gif

sbridge_88x31.gif

458 ms

bg24-4_3.gif

bg24-4_3.gif

60 ms

bg24-4_2.gif

bg24-4_2.gif

63 ms

pixel.gif

pixel.gif

153 ms

mfon.gif

mfon.gif

155 ms

nfon.gif

nfon.gif

277 ms

left.jpg

left.jpg

770 ms

shapka.jpg

shapka.jpg

447 ms

pfon.gif

pfon.gif

303 ms

srg.gif

srg.gif

316 ms

bg.jpg

bg.jpg

727 ms

tfon.gif

tfon.gif

462 ms

pix_horiz_b.gif

pix_horiz_b.gif

477 ms

knopfon.gif

knopfon.gif

614 ms

odnkl.jpg

odnkl.jpg

827 ms

tw.jpg

tw.jpg

650 ms

vk.png

vk.png

687 ms

facebook.png

facebook.png

756 ms

crt.gif

crt.gif

840 ms

best.png

best.png

1215 ms

imgp3044_internet1.jpg

imgp3044_internet1.jpg

903 ms

image001_9.jpg

image001_9.jpg

943 ms

cs-3004hp+p.jpg

cs-3004hp+p.jpg

956 ms

3005w.jpg

3005w.jpg

1007 ms

bfon.gif

bfon.gif

1013 ms

counter

counter

42 ms

chat.js

chat.js

319 ms

counter

counter

28 ms

252 ms

watch.js

watch.js

1 ms

widget2.css

widget2.css

108 ms

_chat.min.js

_chat.min.js

1279 ms

watch.js

watch.js

2 ms

styleprint.css

styleprint.css

144 ms

im_enter.png

im_enter.png

211 ms

arrow.png

arrow.png

104 ms

cloudim-chat-label.png

cloudim-chat-label.png

104 ms

default.png

default.png

222 ms

Accessibility Review

domofon-sh.ru accessibility score

59

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

Image elements do not have [alt] attributes

High

Form elements do not have associated labels

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

domofon-sh.ru best practices score

58

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

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

domofon-sh.ru SEO score

83

Search Engine Optimization Advices

Crawling and Indexing

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

Impact

Issue

High

Links are not crawlable

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

    WINDOWS-1251

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

domofon-sh.ru

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