Tools & Wizards About Us

Report Summary

  • 45

    Performance

    Renders faster than
    64% of other websites

  • 81

    Accessibility

    Visual factors better than
    that of 51% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    20% of websites

  • 88

    SEO

    Google-friendlier than
    65% of websites

rantek.ru

Лечение в Германии, Финляндии, Швейцарии, Франции: клиники, цены, отзывы

Page Load Speed

9 sec in total

First Response

1.5 sec

Resources Loaded

7 sec

Page Rendered

499 ms

About Website

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

Лечение и реабилитация в клиниках Германии, Финляндии, Франции по профилям: кардиология, онкология, гастроэнтерология, гинекология, урология, неврология, ортопедия, пластическая хирургия, дерматология...

Visit rantek.ru

Key Findings

We analyzed Rantek.ru page load time and found that the first response time was 1.5 sec and then it took 7.5 sec to load all DOM resources and completely render a web page. This is a poor result, as 85% of websites can load faster.

Performance Metrics

rantek.ru performance score

45

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.8 s

27/100

10%

LCP (Largest Contentful Paint)

Value3.8 s

55/100

25%

SI (Speed Index)

Value6.7 s

35/100

10%

TBT (Total Blocking Time)

Value1,440 ms

15/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value7.0 s

52/100

10%

Network Requests Diagram

rantek.ru

1476 ms

www.rantek.ru

1508 ms

stylesheet_357edcec08.css

450 ms

new_style.css

446 ms

pstyles.css

300 ms

Our browser made a total of 93 requests to load all elements on the main page. We found that 58% of them (54 requests) were addressed to the original Rantek.ru, 17% (16 requests) were made to Vk.com and 4% (4 requests) were made to Share.pluso.ru. The less responsive or slowest element that took the longest time to load (2.7 sec) belongs to the original domain Rantek.ru.

Page Optimization Overview & Recommendations

Page size can be reduced by 386.6 kB (44%)

Content Size

874.5 kB

After Optimization

488.0 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Rantek.ru main page is 874.5 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. 35% of websites need less resources to load. Images take 409.6 kB which makes up the majority of the site volume.

HTML Optimization

-75%

Potential reduce by 43.8 kB

  • Original 58.1 kB
  • After minification 52.7 kB
  • After compression 14.3 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 43.8 kB or 75% of the original size.

Image Optimization

-10%

Potential reduce by 42.0 kB

  • Original 409.6 kB
  • After minification 367.6 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. Rantek images are well optimized though.

JavaScript Optimization

-72%

Potential reduce by 237.3 kB

  • Original 329.0 kB
  • After minification 266.2 kB
  • After compression 91.7 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 237.3 kB or 72% of the original size.

CSS Optimization

-81%

Potential reduce by 63.4 kB

  • Original 77.8 kB
  • After minification 62.0 kB
  • After compression 14.4 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. Rantek.ru needs all CSS files to be minified and compressed as it can save up to 63.4 kB or 81% of the original size.

Requests Breakdown

Number of requests can be reduced by 52 (60%)

Requests Now

87

After Optimization

35

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 87 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Rantek. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 15 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

rantek.ru accessibility score

81

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.

Tables and lists

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Impact

Issue

High

<dl>'s do not contain only properly-ordered <dt> and <dd> groups, <script>, <template> or <div> elements.

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

Form elements do not have associated labels

High

Links do not have a discernible name

Best Practices

rantek.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

SEO Factors

rantek.ru SEO score

88

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

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Rantek.ru can be misinterpreted by Google and other search engines. Our service has detected that Russian is used on the page, and it does not match the claimed English language. Our system also found out that Rantek.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

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