Tools & Wizards About Us

Report Summary

  • 1

    Performance

    Renders faster than
    19% of other websites

  • 78

    Accessibility

    Visual factors better than
    that of 45% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 89

    SEO

    Google-friendlier than
    66% of websites

visus-novus.ru

Офтальмологическая клиника доктора Куренкова в Москве в Крылатском | Центр хирургии глаза – Восстановление зрения

Page Load Speed

13.2 sec in total

First Response

1.2 sec

Resources Loaded

8.9 sec

Page Rendered

3 sec

About Website

Click here to check amazing Visus Novus content for Russia. Otherwise, check out these important facts you probably never knew about visus-novus.ru

Клиника офтальмологии доктора Куренкова – коррекция зрения и лечение глазных заболеваний в одной из ведущих клиник в Москве. ➜ Восстановление зрения по доступным ценам. ✔Работаем с 1993 года.

Visit visus-novus.ru

Key Findings

We analyzed Visus-novus.ru page load time and found that the first response time was 1.2 sec and then it took 12 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

visus-novus.ru performance score

1

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.5 s

6/100

10%

LCP (Largest Contentful Paint)

Value10.9 s

0/100

25%

SI (Speed Index)

Value17.4 s

0/100

10%

TBT (Total Blocking Time)

Value17,640 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value1.005

2/100

15%

TTI (Time to Interactive)

Value33.5 s

0/100

10%

Network Requests Diagram

visus-novus.ru

1227 ms

visus-novus.ru

481 ms

www.visus-novus.ru

1813 ms

template_66ca9a922d59bcaa5d4293f7f8f878c5_v1.css

109 ms

main-styles.css

223 ms

Our browser made a total of 164 requests to load all elements on the main page. We found that 70% of them (114 requests) were addressed to the original Visus-novus.ru, 8% (13 requests) were made to Youtube.com and 5% (9 requests) were made to Jnn-pa.googleapis.com. The less responsive or slowest element that took the longest time to load (2.9 sec) belongs to the original domain Visus-novus.ru.

Page Optimization Overview & Recommendations

Page size can be reduced by 501.0 kB (5%)

Content Size

10.4 MB

After Optimization

9.9 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Visus-novus.ru main page is 10.4 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 9.3 MB which makes up the majority of the site volume.

HTML Optimization

-87%

Potential reduce by 189.2 kB

  • Original 217.2 kB
  • After minification 149.8 kB
  • After compression 28.0 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 67.4 kB, which is 31% 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 189.2 kB or 87% of the original size.

Image Optimization

-3%

Potential reduce by 279.3 kB

  • Original 9.3 MB
  • After minification 9.0 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. Visus Novus images are well optimized though.

JavaScript Optimization

-7%

Potential reduce by 28.1 kB

  • Original 427.0 kB
  • After minification 427.0 kB
  • After compression 398.9 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

-1%

Potential reduce by 4.5 kB

  • Original 450.4 kB
  • After minification 450.4 kB
  • After compression 445.9 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. Visus-novus.ru has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 37 (24%)

Requests Now

157

After Optimization

120

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 157 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Visus Novus. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 20 to 1 for JavaScripts and from 11 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

visus-novus.ru accessibility score

78

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

[id] attributes on active, focusable elements are not unique

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

ARIA IDs are not unique

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

Links do not have a discernible name

High

<object> elements do not have alternate text

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

visus-novus.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

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

visus-novus.ru SEO score

89

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

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Visus-novus.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 Visus-novus.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 data is detected on the main page of Visus Novus. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: