Report Summary

  • 12

    Performance

    Renders faster than
    25% of other websites

  • 76

    Accessibility

    Visual factors better than
    that of 43% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    19% of websites

  • 62

    SEO

    Google-friendlier than
    22% of websites

bur4.ru

Бурение скважин на воду в Калуге и Обнинске, заказать бурение водяных скважин под ключ недорого

Page Load Speed

5.8 sec in total

First Response

483 ms

Resources Loaded

4.8 sec

Page Rendered

465 ms

bur4.ru screenshot

About Website

Welcome to bur4.ru homepage info - get ready to check Bur 4 best content for Russia right away, or after learning these important things about bur4.ru

⭐⭐⭐⭐⭐ Бурение водяной скважины в Обнинске и Калуге от компании «Аквасервис» ⚡ Работаем с 2012 г. Соблюдение всех действующих норм ⚡ Профессиональное лицензированное оборудование ⚡ Гарантии и сервисное...

Visit bur4.ru

Key Findings

We analyzed Bur4.ru page load time and found that the first response time was 483 ms and then it took 5.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster.

Performance Metrics

bur4.ru performance score

12

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.4 s

38/100

10%

LCP (Largest Contentful Paint)

Value13.7 s

0/100

25%

SI (Speed Index)

Value12.6 s

3/100

10%

TBT (Total Blocking Time)

Value3,520 ms

1/100

30%

CLS (Cumulative Layout Shift)

Value0.244

51/100

15%

TTI (Time to Interactive)

Value17.2 s

4/100

10%

Network Requests Diagram

bur4.ru

483 ms

www.bur4.ru

888 ms

GetResource.ashx

745 ms

jquery.js

1270 ms

jquery.nivo.slider.pack.js

440 ms

Our browser made a total of 44 requests to load all elements on the main page. We found that 91% of them (40 requests) were addressed to the original Bur4.ru, 7% (3 requests) were made to Google-analytics.com and 2% (1 request) were made to Mc.yandex.ru. The less responsive or slowest element that took the longest time to load (2.5 sec) belongs to the original domain Bur4.ru.

Page Optimization Overview & Recommendations

Page size can be reduced by 354.1 kB (35%)

Content Size

1.0 MB

After Optimization

652.0 kB

In fact, the total size of Bur4.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. 20% of websites need less resources to load. Images take 543.5 kB which makes up the majority of the site volume.

HTML Optimization

-71%

Potential reduce by 16.8 kB

  • Original 23.6 kB
  • After minification 23.1 kB
  • After compression 6.9 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 16.8 kB or 71% of the original size.

Image Optimization

-1%

Potential reduce by 6.7 kB

  • Original 543.5 kB
  • After minification 536.9 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. Bur 4 images are well optimized though.

JavaScript Optimization

-75%

Potential reduce by 307.4 kB

  • Original 408.4 kB
  • After minification 298.7 kB
  • After compression 101.1 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 307.4 kB or 75% of the original size.

CSS Optimization

-76%

Potential reduce by 23.3 kB

  • Original 30.4 kB
  • After minification 28.5 kB
  • After compression 7.2 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. Bur4.ru needs all CSS files to be minified and compressed as it can save up to 23.3 kB or 76% of the original size.

Requests Breakdown

Number of requests can be reduced by 23 (56%)

Requests Now

41

After Optimization

18

The browser has sent 41 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Bur 4. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 12 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

bur4.ru accessibility score

76

Accessibility Issues

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

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

Links do not have a discernible name

Best Practices

bur4.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

High

Missing source maps for large first-party JavaScript

SEO Factors

bur4.ru SEO score

62

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

Language and Encoding

  • Language Detected

    RU

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Bur4.ru can be misinterpreted by Google and other search engines. Our service has detected that Russian is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Bur4.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 Bur 4. 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: