Report Summary

  • 19

    Performance

    Renders faster than
    36% of other websites

  • 78

    Accessibility

    Visual factors better than
    that of 46% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 86

    SEO

    Google-friendlier than
    60% of websites

olvex.ru

Демонтажные работы алмазной резкой: услуга механизированного демонтажа в Москве

Page Load Speed

5.1 sec in total

First Response

515 ms

Resources Loaded

4.2 sec

Page Rendered

375 ms

olvex.ru screenshot

About Website

Click here to check amazing Olvex content. Otherwise, check out these important facts you probably never knew about olvex.ru

Компания ООО «ОЛЬВЕКС-ДАЙМОНД» оказание услуг демонтажных работы методом алмазной резки. Техническое оснащение, профессиональная подготовка специалистов компании и опыт решения задач повышенной сложно...

Visit olvex.ru

Key Findings

We analyzed Olvex.ru page load time and found that the first response time was 515 ms and then it took 4.5 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.

Performance Metrics

olvex.ru performance score

19

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.8 s

27/100

10%

LCP (Largest Contentful Paint)

Value7.0 s

6/100

25%

SI (Speed Index)

Value16.4 s

0/100

10%

TBT (Total Blocking Time)

Value750 ms

39/100

30%

CLS (Cumulative Layout Shift)

Value0.469

18/100

15%

TTI (Time to Interactive)

Value20.0 s

2/100

10%

Network Requests Diagram

olvex.ru

515 ms

olvex.ru

678 ms

olvex.ru

550 ms

template_738cf8ebbdaf8528f033f0f1082affb5_v1.css

1001 ms

core.min.js

881 ms

Our browser made a total of 58 requests to load all elements on the main page. We found that 84% of them (49 requests) were addressed to the original Olvex.ru, 5% (3 requests) were made to Fonts.gstatic.com and 3% (2 requests) were made to Mc.yandex.com. The less responsive or slowest element that took the longest time to load (1.8 sec) relates to the external source Yastatic.net.

Page Optimization Overview & Recommendations

Page size can be reduced by 387.3 kB (12%)

Content Size

3.2 MB

After Optimization

2.8 MB

In fact, the total size of Olvex.ru main page is 3.2 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. Images take 2.6 MB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 120.6 kB

  • Original 143.7 kB
  • After minification 121.9 kB
  • After compression 23.1 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 21.8 kB, which is 15% 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 120.6 kB or 84% of the original size.

Image Optimization

-0%

Potential reduce by 6.8 kB

  • Original 2.6 MB
  • After minification 2.6 MB

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. Olvex images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 0 B

  • Original 81.1 kB
  • After minification 81.1 kB
  • After compression 81.1 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. This website has mostly compressed JavaScripts.

CSS Optimization

-86%

Potential reduce by 259.9 kB

  • Original 303.8 kB
  • After minification 250.1 kB
  • After compression 43.9 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. Olvex.ru needs all CSS files to be minified and compressed as it can save up to 259.9 kB or 86% of the original size.

Requests Breakdown

Number of requests can be reduced by 9 (17%)

Requests Now

52

After Optimization

43

The browser has sent 52 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Olvex. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 10 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

olvex.ru accessibility score

78

Accessibility Issues

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.

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

olvex.ru best practices score

67

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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

olvex.ru SEO score

86

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

    N/A

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Olvex.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 Olvex.ru main page’s claimed encoding is . 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 data is detected on the main page of Olvex. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: