Tools & Wizards About Us

Report Summary

  • 35

    Performance

    Renders faster than
    55% of other websites

  • 71

    Accessibility

    Visual factors better than
    that of 36% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    20% of websites

  • 91

    SEO

    Google-friendlier than
    70% of websites

nvital.ru

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Page Load Speed

5.3 sec in total

First Response

553 ms

Resources Loaded

4.1 sec

Page Rendered

655 ms

About Website

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Key Findings

We analyzed Nvital.ru page load time and found that the first response time was 553 ms and then it took 4.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.

Performance Metrics

nvital.ru performance score

35

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.4 s

38/100

10%

LCP (Largest Contentful Paint)

Value7.0 s

6/100

25%

SI (Speed Index)

Value8.3 s

19/100

10%

TBT (Total Blocking Time)

Value710 ms

42/100

30%

CLS (Cumulative Layout Shift)

Value0.112

87/100

15%

TTI (Time to Interactive)

Value10.4 s

24/100

10%

Network Requests Diagram

nvital.ru

553 ms

nvital.ru

728 ms

css

31 ms

f99da9cb9ebd4efa8569878115bab349.css

144 ms

yahoo.js

288 ms

Our browser made a total of 78 requests to load all elements on the main page. We found that 77% of them (60 requests) were addressed to the original Nvital.ru, 4% (3 requests) were made to Code.jivosite.com and 4% (3 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (1.6 sec) belongs to the original domain Nvital.ru.

Page Optimization Overview & Recommendations

Page size can be reduced by 828.0 kB (17%)

Content Size

4.8 MB

After Optimization

4.0 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Nvital.ru main page is 4.8 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. 50% of websites need less resources to load. Images take 3.9 MB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 52.1 kB

  • Original 64.1 kB
  • After minification 55.1 kB
  • After compression 12.0 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 9.0 kB, which is 14% 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 52.1 kB or 81% of the original size.

Image Optimization

-18%

Potential reduce by 727.2 kB

  • Original 3.9 MB
  • After minification 3.2 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. Obviously, Nvital needs image optimization as it can save up to 727.2 kB or 18% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-6%

Potential reduce by 48.3 kB

  • Original 769.5 kB
  • After minification 764.9 kB
  • After compression 721.2 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

-4%

Potential reduce by 512 B

  • Original 11.4 kB
  • After minification 11.4 kB
  • After compression 10.9 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. Nvital.ru has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 24 (33%)

Requests Now

73

After Optimization

49

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 73 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Nvital. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 14 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

nvital.ru accessibility score

71

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.

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

Form elements do not have associated labels

High

Links do not have a discernible name

Best Practices

nvital.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

nvital.ru SEO score

91

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 Nvital.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 Nvital.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 Nvital. 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: