Report Summary

  • 46

    Performance

    Renders faster than
    65% of other websites

  • 57

    Accessibility

    Visual factors better than
    that of 24% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    19% of websites

  • 62

    SEO

    Google-friendlier than
    22% of websites

sentrodent.ru

Центродент — Стоматологическая клиника г. Тверь

Page Load Speed

12.4 sec in total

First Response

552 ms

Resources Loaded

11.6 sec

Page Rendered

231 ms

sentrodent.ru screenshot

About Website

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

Стоматологические услуги: лечение кариеса, пульпита, периодонтита, эстетическая реставрация, отбеливание, протезирование зубов, имплантация, профессиональная чистка (ультразвуком), лечение лазером. Ра...

Visit sentrodent.ru

Key Findings

We analyzed Sentrodent.ru page load time and found that the first response time was 552 ms and then it took 11.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.

Performance Metrics

sentrodent.ru performance score

46

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.0 s

51/100

10%

LCP (Largest Contentful Paint)

Value4.8 s

31/100

25%

SI (Speed Index)

Value6.6 s

37/100

10%

TBT (Total Blocking Time)

Value790 ms

37/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value8.9 s

34/100

10%

Network Requests Diagram

sentrodent.ru

552 ms

www.sentrodent.ru

404 ms

highslide-with-gallery.js

279 ms

highslide.config.js

642 ms

highslide.css

3328 ms

Our browser made a total of 56 requests to load all elements on the main page. We found that 43% of them (24 requests) were addressed to the original Sentrodent.ru, 23% (13 requests) were made to Maps.googleapis.com and 11% (6 requests) were made to Google.com. The less responsive or slowest element that took the longest time to load (6 sec) belongs to the original domain Sentrodent.ru.

Page Optimization Overview & Recommendations

Page size can be reduced by 148.0 kB (9%)

Content Size

1.6 MB

After Optimization

1.5 MB

In fact, the total size of Sentrodent.ru main page is 1.6 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. 60% of websites need less resources to load. Images take 1.4 MB which makes up the majority of the site volume.

HTML Optimization

-85%

Potential reduce by 61.2 kB

  • Original 71.8 kB
  • After minification 69.6 kB
  • After compression 10.6 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 61.2 kB or 85% of the original size.

Image Optimization

-6%

Potential reduce by 76.8 kB

  • Original 1.4 MB
  • After minification 1.3 MB

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. Sentrodent images are well optimized though.

JavaScript Optimization

-5%

Potential reduce by 9.2 kB

  • Original 182.4 kB
  • After minification 182.4 kB
  • After compression 173.3 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

-24%

Potential reduce by 884 B

  • Original 3.8 kB
  • After minification 3.8 kB
  • After compression 2.9 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. Sentrodent.ru needs all CSS files to be minified and compressed as it can save up to 884 B or 24% of the original size.

Requests Breakdown

Number of requests can be reduced by 14 (30%)

Requests Now

47

After Optimization

33

The browser has sent 47 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Sentrodent. 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 as a result speed up the page load time.

Accessibility Review

sentrodent.ru accessibility score

57

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.

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

<frame> or <iframe> elements do not have a title

High

Image elements do not have [alt] attributes

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

Best Practices

sentrodent.ru best practices score

58

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

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

High

Browser errors were logged to the console

SEO Factors

sentrodent.ru SEO score

62

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

Language and Encoding

  • Language Detected

    RU

  • Language Claimed

    N/A

  • Encoding

    KOI8-R

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Sentrodent.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 Sentrodent.ru main page’s claimed encoding is koi8-r. 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

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