Report Summary

  • 13

    Performance

    Renders faster than
    25% of other websites

  • 61

    Accessibility

    Visual factors better than
    that of 27% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    20% of websites

  • 85

    SEO

    Google-friendlier than
    55% of websites

profilab.spb.ru

Компания Профилаб Групп - комплексное оснащение медицинских лабораторий

Page Load Speed

6.7 sec in total

First Response

516 ms

Resources Loaded

5.3 sec

Page Rendered

911 ms

profilab.spb.ru screenshot

About Website

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

Оборудование и расходные материалы для медицинских лабораторий от компании Компания Профилаб Групп ✅ Прямые дистрибьюторы оборудования для медицинских исследований и диагностики ✅ Собственная сервисна...

Visit profilab.spb.ru

Key Findings

We analyzed Profilab.spb.ru page load time and found that the first response time was 516 ms and then it took 6.2 sec to load all DOM resources and completely render a web page. This is a poor result, as 80% of websites can load faster.

Performance Metrics

profilab.spb.ru performance score

13

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.6 s

31/100

10%

LCP (Largest Contentful Paint)

Value9.3 s

1/100

25%

SI (Speed Index)

Value9.1 s

14/100

10%

TBT (Total Blocking Time)

Value1,110 ms

23/100

30%

CLS (Cumulative Layout Shift)

Value0.876

3/100

15%

TTI (Time to Interactive)

Value15.6 s

6/100

10%

Network Requests Diagram

profilab.spb.ru

516 ms

pfgroup.ru

595 ms

pfgroup.ru

1074 ms

page_ba434ee751e0f966c1d084ad29f67a12_v1.css

134 ms

template_79d4ebe5210b4c21e72ed8bf7b157417_v1.css

405 ms

Our browser made a total of 88 requests to load all elements on the main page. We found that 1% of them (1 request) were addressed to the original Profilab.spb.ru, 84% (74 requests) were made to Pfgroup.ru and 7% (6 requests) were made to Api-maps.yandex.ru. The less responsive or slowest element that took the longest time to load (1.3 sec) relates to the external source Pfgroup.ru.

Page Optimization Overview & Recommendations

Page size can be reduced by 448.7 kB (44%)

Content Size

1.0 MB

After Optimization

566.3 kB

In fact, the total size of Profilab.spb.ru main page is 1.0 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. 55% of websites need less resources to load. HTML takes 473.6 kB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 389.1 kB

  • Original 473.6 kB
  • After minification 428.2 kB
  • After compression 84.5 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 389.1 kB or 82% of the original size.

Image Optimization

-6%

Potential reduce by 2.4 kB

  • Original 37.5 kB
  • After minification 35.1 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. Profilab Spb images are well optimized though.

JavaScript Optimization

-11%

Potential reduce by 48.2 kB

  • Original 433.5 kB
  • After minification 433.5 kB
  • After compression 385.4 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 48.2 kB or 11% of the original size.

CSS Optimization

-13%

Potential reduce by 9.1 kB

  • Original 70.4 kB
  • After minification 70.4 kB
  • After compression 61.3 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. Profilab.spb.ru needs all CSS files to be minified and compressed as it can save up to 9.1 kB or 13% of the original size.

Requests Breakdown

Number of requests can be reduced by 32 (42%)

Requests Now

77

After Optimization

45

The browser has sent 77 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Profilab Spb. 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 as a result speed up the page load time.

Accessibility Review

profilab.spb.ru accessibility score

61

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

[aria-*] attributes do not match their roles

High

[aria-hidden="true"] elements contain focusable descendents

High

ARIA input fields do not have accessible names

High

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

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

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

Form elements do not have associated labels

High

Links do not have a discernible name

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

profilab.spb.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

Displays images with incorrect aspect ratio

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

profilab.spb.ru SEO score

85

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

Language and Encoding

  • Language Detected

    RU

  • Language Claimed

    RU

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Profilab.spb.ru can be misinterpreted by Google and other search engines. Our service has detected that Russian is used on the page, and it matches the claimed language. Our system also found out that Profilab.spb.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 Profilab Spb. 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: