Report Summary

  • 35

    Performance

    Renders faster than
    55% of other websites

  • 70

    Accessibility

    Visual factors better than
    that of 36% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    19% of websites

  • 83

    SEO

    Google-friendlier than
    46% of websites

Page Load Speed

2.9 sec in total

First Response

455 ms

Resources Loaded

2 sec

Page Rendered

434 ms

unilab.su screenshot

About Website

Visit unilab.su now to see the best up-to-date Unilab content for Russia and also check out these interesting facts you probably never knew about unilab.su

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Key Findings

We analyzed Unilab.su page load time and found that the first response time was 455 ms and then it took 2.5 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 45% of websites can load faster.

Performance Metrics

unilab.su performance score

35

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value6.6 s

2/100

10%

LCP (Largest Contentful Paint)

Value7.6 s

3/100

25%

SI (Speed Index)

Value16.2 s

0/100

10%

TBT (Total Blocking Time)

Value440 ms

64/100

30%

CLS (Cumulative Layout Shift)

Value0.004

100/100

15%

TTI (Time to Interactive)

Value18.8 s

3/100

10%

Network Requests Diagram

unilab.su

455 ms

core.min.css

124 ms

font-awesome.min.css

247 ms

foundation.min.css

372 ms

foundation-datepicker.css

250 ms

Our browser made a total of 49 requests to load all elements on the main page. We found that 69% of them (34 requests) were addressed to the original Unilab.su, 6% (3 requests) were made to Fonts.gstatic.com and 4% (2 requests) were made to Bitrix.info. The less responsive or slowest element that took the longest time to load (758 ms) belongs to the original domain Unilab.su.

Page Optimization Overview & Recommendations

Page size can be reduced by 686.8 kB (50%)

Content Size

1.4 MB

After Optimization

682.9 kB

In fact, the total size of Unilab.su main page is 1.4 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. 50% of websites need less resources to load. Javascripts take 649.2 kB which makes up the majority of the site volume.

HTML Optimization

-76%

Potential reduce by 32.9 kB

  • Original 43.5 kB
  • After minification 38.1 kB
  • After compression 10.6 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 5.4 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 32.9 kB or 76% of the original size.

Image Optimization

-9%

Potential reduce by 47.6 kB

  • Original 526.7 kB
  • After minification 479.1 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. Unilab images are well optimized though.

JavaScript Optimization

-74%

Potential reduce by 481.0 kB

  • Original 649.2 kB
  • After minification 505.9 kB
  • After compression 168.2 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 481.0 kB or 74% of the original size.

CSS Optimization

-83%

Potential reduce by 125.4 kB

  • Original 150.4 kB
  • After minification 145.9 kB
  • After compression 25.0 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. Unilab.su needs all CSS files to be minified and compressed as it can save up to 125.4 kB or 83% of the original size.

Requests Breakdown

Number of requests can be reduced by 22 (51%)

Requests Now

43

After Optimization

21

The browser has sent 43 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Unilab. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 18 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

unilab.su accessibility score

70

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

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

Buttons do not have an accessible name

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

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

Best Practices

unilab.su 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

High

Page has valid source maps

SEO Factors

unilab.su 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

    RU

  • Language Claimed

    EN

  • Encoding

    WINDOWS-1251

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Unilab.su can be misinterpreted by Google and other search engines. Our service has detected that Russian is used on the page, and it does not match the claimed English language. Our system also found out that Unilab.su 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 Unilab. 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: