Tools & Wizards About Us
dmf.ru screenshot

Report Summary

  • 74

    Performance

    Renders faster than
    83% of other websites

  • 64

    Accessibility

    Visual factors better than
    that of 29% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 91

    SEO

    Google-friendlier than
    70% of websites

dmf.ru

Dmf.Ru - Производство, продажа установка систем видеонаблюдения, видеодомофонов для бизнеса и для дома

Page Load Speed

4.3 sec in total

First Response

1 sec

Resources Loaded

2.8 sec

Page Rendered

474 ms

dmf.ru screenshot

About Website

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

Производство, продажа, установка, ремонт, обслуживание систем безопасности любого масштаба и любой сложности - систем видеонаблюдения, Систем Контроля и Управления Доступа (в том числе с учётом рабоче...

Visit dmf.ru

Key Findings

We analyzed Dmf.ru page load time and found that the first response time was 1 sec and then it took 3.3 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

dmf.ru performance score

74

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.9 s

53/100

10%

LCP (Largest Contentful Paint)

Value4.7 s

32/100

25%

SI (Speed Index)

Value3.7 s

86/100

10%

TBT (Total Blocking Time)

Value70 ms

99/100

30%

CLS (Cumulative Layout Shift)

Value0.086

93/100

15%

TTI (Time to Interactive)

Value4.4 s

83/100

10%

Network Requests Diagram

dmf.ru

1010 ms

css

32 ms

homepage.css

172 ms

rwd.css

289 ms

jquery-3.1.1.min.js

406 ms

Our browser made a total of 46 requests to load all elements on the main page. We found that 91% of them (42 requests) were addressed to the original Dmf.ru, 2% (1 request) were made to Fonts.googleapis.com and 2% (1 request) were made to Google.com. The less responsive or slowest element that took the longest time to load (1.1 sec) belongs to the original domain Dmf.ru.

Page Optimization Overview & Recommendations

Page size can be reduced by 457.6 kB (46%)

Content Size

1.0 MB

After Optimization

546.6 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Dmf.ru main page is 1.0 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. 25% of websites need less resources to load. Images take 917.1 kB which makes up the majority of the site volume.

HTML Optimization

-77%

Potential reduce by 32.8 kB

  • Original 42.4 kB
  • After minification 40.4 kB
  • After compression 9.6 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 32.8 kB or 77% of the original size.

Image Optimization

-46%

Potential reduce by 422.1 kB

  • Original 917.1 kB
  • After minification 495.0 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, Dmf needs image optimization as it can save up to 422.1 kB or 46% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-3%

Potential reduce by 1.3 kB

  • Original 37.3 kB
  • After minification 37.3 kB
  • After compression 36.0 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. This website has mostly compressed JavaScripts.

CSS Optimization

-19%

Potential reduce by 1.4 kB

  • Original 7.3 kB
  • After minification 7.3 kB
  • After compression 6.0 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. Dmf.ru needs all CSS files to be minified and compressed as it can save up to 1.4 kB or 19% of the original size.

Requests Breakdown

Number of requests can be reduced by 7 (16%)

Requests Now

44

After Optimization

37

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 44 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Dmf. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 4 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

dmf.ru

dmf.ru

1010 ms

css

css

32 ms

homepage.css

homepage.css

172 ms

rwd.css

rwd.css

289 ms

jquery-3.1.1.min.js

jquery-3.1.1.min.js

406 ms

wow.min.js

wow.min.js

289 ms

menu.js

menu.js

289 ms

reset.css

reset.css

147 ms

animate.css

animate.css

223 ms

menu.css

menu.css

226 ms

logo.png

logo.png

111 ms

uslugi1.png

uslugi1.png

112 ms

uslugi2.png

uslugi2.png

113 ms

uslugi3.png

uslugi3.png

113 ms

uslugi4.png

uslugi4.png

114 ms

uslugi5.png

uslugi5.png

114 ms

uslugi6.png

uslugi6.png

221 ms

pro.png

pro.png

221 ms

videonet_new.jpg

videonet_new.jpg

330 ms

proel_new.jpg

proel_new.jpg

480 ms

lsv-3.jpg

lsv-3.jpg

483 ms

kdc3000.jpg

kdc3000.jpg

261 ms

walkmap-godovikova.jpg

walkmap-godovikova.jpg

794 ms

hackers.png

hackers.png

666 ms

pop-culture-cttv.png

pop-culture-cttv.png

765 ms

nam15let.png

nam15let.png

503 ms

construction-bg.png

construction-bg.png

592 ms

slajd1.jpg

slajd1.jpg

695 ms

arrowLeft.png

arrowLeft.png

595 ms

arrowRight.png

arrowRight.png

683 ms

lsv-bg.jpg

lsv-bg.jpg

707 ms

left.png

left.png

756 ms

left-bg.png

left-bg.png

838 ms

red.png

red.png

838 ms

yellow.png

yellow.png

836 ms

sale.png

sale.png

857 ms

calc.png

calc.png

879 ms

lsv-1.jpg

lsv-1.jpg

890 ms

z5r.jpg

z5r.jpg

963 ms

kdc1804dallas.jpg

kdc1804dallas.jpg

963 ms

keyman.jpg

keyman.jpg

962 ms

metromapbg.png

metromapbg.png

1137 ms

tech-baner-repair.jpg

tech-baner-repair.jpg

991 ms

embed

embed

349 ms

js

js

91 ms

counter2

counter2

141 ms

Accessibility Review

dmf.ru accessibility score

64

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

Links do not have a discernible name

Best Practices

dmf.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

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

dmf.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 Dmf.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 Dmf.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

dmf.ru

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