Tools & Wizards About Us
impedance.ru screenshot

Report Summary

  • 62

    Performance

    Renders faster than
    77% of other websites

  • 95

    Accessibility

    Visual factors better than
    that of 87% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 90

    SEO

    Google-friendlier than
    68% of websites

impedance.ru

ПКФ «Современная Импедансная Медицинская техника» - Главная

Page Load Speed

3.8 sec in total

First Response

1.5 sec

Resources Loaded

2.2 sec

Page Rendered

97 ms

impedance.ru screenshot

About Website

Click here to check amazing Impedance content. Otherwise, check out these important facts you probably never knew about impedance.ru

ПКФ «СИМ-техника» создана в 2002 году. С момента своего образования, компания занимается разработкой, производством и реализацией современного медицинского диагностического оборудования. ПКФ «СИМ-техн...

Visit impedance.ru

Key Findings

We analyzed Impedance.ru page load time and found that the first response time was 1.5 sec and then it took 2.3 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 45% of websites can load faster.

Performance Metrics

impedance.ru performance score

62

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.7 s

29/100

10%

LCP (Largest Contentful Paint)

Value7.1 s

5/100

25%

SI (Speed Index)

Value6.7 s

36/100

10%

TBT (Total Blocking Time)

Value50 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value3.9 s

88/100

10%

Network Requests Diagram

impedance.ru

1461 ms

main.css

377 ms

logo.gif

376 ms

uk.gif

258 ms

ru.gif

270 ms

Our browser made a total of 20 requests to load all elements on the main page. We found that 90% of them (18 requests) were addressed to the original Impedance.ru, 10% (2 requests) were made to Rosbizinfo.ru. The less responsive or slowest element that took the longest time to load (1.5 sec) belongs to the original domain Impedance.ru.

Page Optimization Overview & Recommendations

Page size can be reduced by 7.7 kB (42%)

Content Size

18.3 kB

After Optimization

10.6 kB

  • HTML
  • Images
  • CSS

In fact, the total size of Impedance.ru main page is 18.3 kB. This result falls within a vast category (top 1 000 000) of heavyweight, probably not optimized, and thus slow loading web pages. Only a small number of websites need less resources to load. HTML takes 8.1 kB which makes up the majority of the site volume.

HTML Optimization

-64%

Potential reduce by 5.2 kB

  • Original 8.1 kB
  • After minification 8.1 kB
  • After compression 2.9 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 5.2 kB or 64% of the original size.

Image Optimization

-1%

Potential reduce by 54 B

  • Original 6.8 kB
  • After minification 6.8 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. Impedance images are well optimized though.

CSS Optimization

-73%

Potential reduce by 2.5 kB

  • Original 3.4 kB
  • After minification 2.7 kB
  • After compression 893 B

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. Impedance.ru needs all CSS files to be minified and compressed as it can save up to 2.5 kB or 73% of the original size.

Requests Breakdown

Number of requests can be reduced by 13 (68%)

Requests Now

19

After Optimization

6

  • Images
  • CSS

The browser has sent 19 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Impedance. 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

impedance.ru

impedance.ru

1461 ms

main.css

main.css

377 ms

logo.gif

logo.gif

376 ms

uk.gif

uk.gif

258 ms

ru.gif

ru.gif

270 ms

bull2.gif

bull2.gif

265 ms

spacer.gif

spacer.gif

387 ms

bull0.gif

bull0.gif

390 ms

252a2c.gif

252a2c.gif

404 ms

11.gif

11.gif

484 ms

ph15_s.jpg

ph15_s.jpg

623 ms

bgDot1.gif

bgDot1.gif

378 ms

bgButton_fl.gif

bgButton_fl.gif

263 ms

bgButtonHi.gif

bgButtonHi.gif

384 ms

delim.gif

delim.gif

386 ms

bgButton.gif

bgButton.gif

397 ms

bgHeadLeft.gif

bgHeadLeft.gif

494 ms

bgHeadRight.gif

bgHeadRight.gif

519 ms

bgDot.gif

bgDot.gif

632 ms

b_fon1.gif

b_fon1.gif

354 ms

Accessibility Review

impedance.ru accessibility score

95

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.

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

impedance.ru best practices score

67

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

Displays images with incorrect aspect ratio

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

impedance.ru SEO score

90

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

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 Impedance.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 Impedance.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

impedance.ru

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