Report Summary

  • 57

    Performance

    Renders faster than
    74% of other websites

  • 44

    Accessibility

    Visual factors better than
    that of 19% of websites

  • 54

    Best Practices

    More advanced features
    available than in
    19% of websites

  • 91

    SEO

    Google-friendlier than
    71% of websites

Page Load Speed

3.7 sec in total

First Response

701 ms

Resources Loaded

2.8 sec

Page Rendered

280 ms

mossanexpert.ru screenshot

About Website

Click here to check amazing Mossanexpert content for Russia. Otherwise, check out these important facts you probably never knew about mossanexpert.ru

Официальный сайт ФБУЗ Центр гигиены и эпидемиологии в городе Москве. Санитарно-эпидемиологическая экспертиза

Visit mossanexpert.ru

Key Findings

We analyzed Mossanexpert.ru page load time and found that the first response time was 701 ms and then it took 3 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.

Performance Metrics

mossanexpert.ru performance score

57

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.4 s

17/100

10%

LCP (Largest Contentful Paint)

Value6.4 s

10/100

25%

SI (Speed Index)

Value6.4 s

41/100

10%

TBT (Total Blocking Time)

Value150 ms

94/100

30%

CLS (Cumulative Layout Shift)

Value0.004

100/100

15%

TTI (Time to Interactive)

Value6.7 s

57/100

10%

Network Requests Diagram

mossanexpert.ru

701 ms

kernel_main.css

569 ms

kernel_altasib.errorsend.css

573 ms

page_4fc57226d80f7eb274c423d0fd3f00da.css

575 ms

template_5d21a52d3e44b12dbe8abfe8ccbea986.css

703 ms

Our browser made a total of 82 requests to load all elements on the main page. We found that 32% of them (26 requests) were addressed to the original Mossanexpert.ru, 34% (28 requests) were made to Mossanexpert.ru.images.1c-bitrix-cdn.ru and 28% (23 requests) were made to Mossanexpert.ru.css.1c-bitrix-cdn.ru. The less responsive or slowest element that took the longest time to load (1.1 sec) relates to the external source Mossanexpert.ru.images.1c-bitrix-cdn.ru.

Page Optimization Overview & Recommendations

Page size can be reduced by 742.0 kB (59%)

Content Size

1.3 MB

After Optimization

523.1 kB

In fact, the total size of Mossanexpert.ru main page is 1.3 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. 40% of websites need less resources to load. Javascripts take 608.2 kB which makes up the majority of the site volume.

HTML Optimization

-76%

Potential reduce by 34.4 kB

  • Original 45.3 kB
  • After minification 40.0 kB
  • After compression 10.8 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 5.3 kB, which is 12% 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 34.4 kB or 76% of the original size.

Image Optimization

-21%

Potential reduce by 86.6 kB

  • Original 407.3 kB
  • After minification 320.7 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. Obviously, Mossanexpert needs image optimization as it can save up to 86.6 kB or 21% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-73%

Potential reduce by 443.1 kB

  • Original 608.2 kB
  • After minification 548.8 kB
  • After compression 165.1 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 443.1 kB or 73% of the original size.

CSS Optimization

-87%

Potential reduce by 177.8 kB

  • Original 204.4 kB
  • After minification 172.7 kB
  • After compression 26.5 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. Mossanexpert.ru needs all CSS files to be minified and compressed as it can save up to 177.8 kB or 87% of the original size.

Requests Breakdown

Number of requests can be reduced by 42 (53%)

Requests Now

80

After Optimization

38

The browser has sent 80 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Mossanexpert. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 25 to 1 for JavaScripts and from 11 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

mossanexpert.ru accessibility score

44

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

High

Form elements do not have associated labels

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

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

Best practices

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

mossanexpert.ru best practices score

54

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

High

Registers an unload listener

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

mossanexpert.ru SEO score

91

Search Engine Optimization Advices

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

    EN

  • Encoding

    WINDOWS-1251

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Mossanexpert.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), while the claimed language is English. Our system also found out that Mossanexpert.ru main page’s claimed encoding is windows-1251. 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 Mossanexpert. 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: