Report Summary

  • 74

    Performance

    Renders faster than
    83% of other websites

  • 68

    Accessibility

    Visual factors better than
    that of 33% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    81% of websites

  • 92

    SEO

    Google-friendlier than
    75% of websites

Page Load Speed

2.9 sec in total

First Response

540 ms

Resources Loaded

2.2 sec

Page Rendered

216 ms

levsha-instruments.ru screenshot

About Website

Welcome to levsha-instruments.ru homepage info - get ready to check Levsha Instruments best content for Ukraine right away, or after learning these important things about levsha-instruments.ru

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Key Findings

We analyzed Levsha-instruments.ru page load time and found that the first response time was 540 ms and then it took 2.4 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

levsha-instruments.ru performance score

74

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.0 s

48/100

10%

LCP (Largest Contentful Paint)

Value4.6 s

36/100

25%

SI (Speed Index)

Value3.4 s

90/100

10%

TBT (Total Blocking Time)

Value190 ms

91/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value3.7 s

90/100

10%

Network Requests Diagram

levsha-instruments.ru

540 ms

bootstrap-combined.no-icons.min.css

269 ms

font-awesome.min.css

259 ms

cust.css

392 ms

bootstrap-yii.css

265 ms

Our browser made a total of 20 requests to load all elements on the main page. We found that 90% of them (18 requests) were addressed to the original Levsha-instruments.ru, 10% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (1.1 sec) belongs to the original domain Levsha-instruments.ru.

Page Optimization Overview & Recommendations

Page size can be reduced by 323.5 kB (38%)

Content Size

852.0 kB

After Optimization

528.5 kB

In fact, the total size of Levsha-instruments.ru main page is 852.0 kB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 35% of websites need less resources to load. Images take 410.8 kB which makes up the majority of the site volume.

HTML Optimization

-68%

Potential reduce by 4.4 kB

  • Original 6.4 kB
  • After minification 5.9 kB
  • After compression 2.0 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. 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 4.4 kB or 68% of the original size.

Image Optimization

-0%

Potential reduce by 0 B

  • Original 410.8 kB
  • After minification 410.8 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. Levsha Instruments images are well optimized though.

JavaScript Optimization

-61%

Potential reduce by 117.8 kB

  • Original 194.2 kB
  • After minification 191.7 kB
  • After compression 76.4 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 117.8 kB or 61% of the original size.

CSS Optimization

-84%

Potential reduce by 201.2 kB

  • Original 240.5 kB
  • After minification 231.2 kB
  • After compression 39.2 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. Levsha-instruments.ru needs all CSS files to be minified and compressed as it can save up to 201.2 kB or 84% of the original size.

Requests Breakdown

Number of requests can be reduced by 10 (59%)

Requests Now

17

After Optimization

7

The browser has sent 17 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Levsha Instruments. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 6 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

levsha-instruments.ru accessibility score

68

Accessibility Issues

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

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

levsha-instruments.ru best practices score

92

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

levsha-instruments.ru SEO score

92

Search Engine Optimization Advices

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 Levsha-instruments.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 Levsha-instruments.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 Levsha Instruments. 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: