Tools & Wizards About Us

Report Summary

  • 77

    Performance

    Renders faster than
    85% of other websites

  • 74

    Accessibility

    Visual factors better than
    that of 40% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 91

    SEO

    Google-friendlier than
    70% of websites

lenserv.ru

Официальный сайт АО «Энергосервисная компания Ленэнерго»

Page Load Speed

4.5 sec in total

First Response

703 ms

Resources Loaded

3.3 sec

Page Rendered

446 ms

About Website

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

Компания является официальным агентом ПАО «Россети Ленэнерго» по технологическому присоединению к электрическим сетям и осуществляет прием всех типов обращений, очное и заочное обслуживание клиентов с...

Visit lenserv.ru

Key Findings

We analyzed Lenserv.ru page load time and found that the first response time was 703 ms and then it took 3.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.

Performance Metrics

lenserv.ru performance score

77

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.4 s

70/100

10%

LCP (Largest Contentful Paint)

Value2.4 s

91/100

25%

SI (Speed Index)

Value9.5 s

12/100

10%

TBT (Total Blocking Time)

Value80 ms

99/100

30%

CLS (Cumulative Layout Shift)

Value0.018

100/100

15%

TTI (Time to Interactive)

Value11.9 s

16/100

10%

Network Requests Diagram

lenserv.ru

703 ms

design-ic4mjgnal-1587031474_styles.css

295 ms

ms_site_default.css

327 ms

jquery.min.js

495 ms

do.js

333 ms

Our browser made a total of 61 requests to load all elements on the main page. We found that 95% of them (58 requests) were addressed to the original Lenserv.ru, 5% (3 requests) were made to Counter.megagroup.ru. The less responsive or slowest element that took the longest time to load (1.4 sec) belongs to the original domain Lenserv.ru.

Page Optimization Overview & Recommendations

Page size can be reduced by 131.7 kB (16%)

Content Size

824.6 kB

After Optimization

693.0 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Lenserv.ru main page is 824.6 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. 40% of websites need less resources to load. Images take 548.0 kB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 96.1 kB

  • Original 115.8 kB
  • After minification 114.3 kB
  • After compression 19.8 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. 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 96.1 kB or 83% of the original size.

Image Optimization

-1%

Potential reduce by 4.9 kB

  • Original 548.0 kB
  • After minification 543.1 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. Lenserv images are well optimized though.

JavaScript Optimization

-14%

Potential reduce by 12.4 kB

  • Original 90.2 kB
  • After minification 90.2 kB
  • After compression 77.7 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 12.4 kB or 14% of the original size.

CSS Optimization

-26%

Potential reduce by 18.3 kB

  • Original 70.5 kB
  • After minification 70.5 kB
  • After compression 52.3 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. Lenserv.ru needs all CSS files to be minified and compressed as it can save up to 18.3 kB or 26% of the original size.

Requests Breakdown

Number of requests can be reduced by 24 (62%)

Requests Now

39

After Optimization

15

  • Images
  • JavaScript
  • CSS

The browser has sent 39 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Lenserv. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 13 to 1 for JavaScripts and from 13 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

lenserv.ru accessibility score

74

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

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.

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

lenserv.ru best practices score

83

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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

lenserv.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

Page is blocked from indexing

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

    RU

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Lenserv.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 Lenserv.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 Lenserv. 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: