Tools & Wizards About Us

Report Summary

  • 19

    Performance

    Renders faster than
    36% of other websites

  • 72

    Accessibility

    Visual factors better than
    that of 37% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 83

    SEO

    Google-friendlier than
    46% of websites

ctoma.ru

Стоматология «Стома»: стоматологические клиники в Санкт-Петербурге

Page Load Speed

9.2 sec in total

First Response

582 ms

Resources Loaded

7.7 sec

Page Rendered

1 sec

About Website

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

Стоматологические клиники «Стома» оказывают полный спектр услуг стоматологии: детская стоматология и для взрослых. 8 клиник в Санкт-Петербурге рядом с метро, телефон для справок: +7 (812) 321-02-01

Visit ctoma.ru

Key Findings

We analyzed Ctoma.ru page load time and found that the first response time was 582 ms and then it took 8.7 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

ctoma.ru performance score

19

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.8 s

11/100

10%

LCP (Largest Contentful Paint)

Value7.1 s

5/100

25%

SI (Speed Index)

Value24.7 s

0/100

10%

TBT (Total Blocking Time)

Value2,190 ms

6/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value29.7 s

0/100

10%

Network Requests Diagram

ctoma.ru

582 ms

ctoma.ru

1308 ms

style.css

638 ms

page_0745acdef048cda5879ae40d5d3dc3ee_v1.css

634 ms

template_aae8c9db36c6d40c631e180c33df77c0_v1.css

1195 ms

Our browser made a total of 208 requests to load all elements on the main page. We found that 76% of them (159 requests) were addressed to the original Ctoma.ru, 4% (8 requests) were made to Fonts.gstatic.com and 3% (7 requests) were made to Mod.calltouch.ru. The less responsive or slowest element that took the longest time to load (1.7 sec) relates to the external source Yastatic.net.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.0 MB (12%)

Content Size

8.5 MB

After Optimization

7.5 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Ctoma.ru main page is 8.5 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. Only a small number of websites need less resources to load. Images take 6.5 MB which makes up the majority of the site volume.

HTML Optimization

-89%

Potential reduce by 690.7 kB

  • Original 775.1 kB
  • After minification 512.5 kB
  • After compression 84.4 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. This page needs HTML code to be minified as it can gain 262.6 kB, which is 34% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 690.7 kB or 89% of the original size.

Image Optimization

-0%

Potential reduce by 953 B

  • Original 6.5 MB
  • After minification 6.5 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. Ctoma images are well optimized though.

JavaScript Optimization

-3%

Potential reduce by 28.3 kB

  • Original 840.9 kB
  • After minification 840.9 kB
  • After compression 812.6 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

-82%

Potential reduce by 294.7 kB

  • Original 359.4 kB
  • After minification 75.3 kB
  • After compression 64.7 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. Ctoma.ru needs all CSS files to be minified and compressed as it can save up to 294.7 kB or 82% of the original size.

Requests Breakdown

Number of requests can be reduced by 43 (22%)

Requests Now

192

After Optimization

149

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 192 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Ctoma. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 29 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

ctoma.ru accessibility score

72

Accessibility Issues

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

Elements with an ARIA [role] that require children to contain a specific [role] are missing some or all of those required children.

High

ARIA IDs are not unique

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

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

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

List items (<li>) are not contained within <ul> or <ol> parent elements.

Best Practices

ctoma.ru best practices score

92

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

ctoma.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

    N/A

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Ctoma.ru can be misinterpreted by Google and other search engines. Unfortunately we cannot identify language used on the page (probably there is a mix of languages, too little text or something else) and no language is claimed in <html> or <meta> tags either. Our system also found out that Ctoma.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 Ctoma. 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: