Tools & Wizards About Us

Report Summary

  • 68

    Performance

    Renders faster than
    80% of other websites

  • 63

    Accessibility

    Visual factors better than
    that of 28% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 80

    SEO

    Google-friendlier than
    42% of websites

center-okna.ru

Остекление балконов и лоджий в Москве. Внутренняя отделка и утепление балкона. Остекление балконов под ключ | Центр Окна

Page Load Speed

1.6 sec in total

First Response

355 ms

Resources Loaded

1 sec

Page Rendered

231 ms

About Website

Visit center-okna.ru now to see the best up-to-date Center Okna content for Russia and also check out these interesting facts you probably never knew about center-okna.ru

Остекление балконов и лоджий в Москве, утепление и отделка балкона - качественно и профессионально. Бесплатный выезд мастера на замер.

Visit center-okna.ru

Key Findings

We analyzed Center-okna.ru page load time and found that the first response time was 355 ms and then it took 1.3 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 25% of websites can load faster.

Performance Metrics

center-okna.ru performance score

68

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.0 s

83/100

10%

LCP (Largest Contentful Paint)

Value5.1 s

25/100

25%

SI (Speed Index)

Value2.5 s

97/100

10%

TBT (Total Blocking Time)

Value290 ms

80/100

30%

CLS (Cumulative Layout Shift)

Value0.145

77/100

15%

TTI (Time to Interactive)

Value4.7 s

80/100

10%

Network Requests Diagram

center-okna.ru

355 ms

css

31 ms

all.css

103 ms

logo.png

202 ms

zp.js

681 ms

Our browser made a total of 25 requests to load all elements on the main page. We found that 68% of them (17 requests) were addressed to the original Center-okna.ru, 8% (2 requests) were made to Mc.yandex.ru and 8% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (681 ms) relates to the external source W.uptolike.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 19.8 kB (10%)

Content Size

200.9 kB

After Optimization

181.1 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Center-okna.ru main page is 200.9 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. 20% of websites need less resources to load. Images take 153.2 kB which makes up the majority of the site volume.

HTML Optimization

-69%

Potential reduce by 16.1 kB

  • Original 23.3 kB
  • After minification 21.8 kB
  • After compression 7.2 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 16.1 kB or 69% of the original size.

Image Optimization

-2%

Potential reduce by 3.0 kB

  • Original 153.2 kB
  • After minification 150.2 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. Center Okna images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 50 B

  • Original 21.0 kB
  • After minification 21.0 kB
  • After compression 20.9 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

-20%

Potential reduce by 677 B

  • Original 3.4 kB
  • After minification 3.4 kB
  • After compression 2.7 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. Center-okna.ru needs all CSS files to be minified and compressed as it can save up to 677 B or 20% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

21

After Optimization

21

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 21 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Center Okna. According to our analytics all requests are already optimized.

Network Requests Diagram

Accessibility Review

center-okna.ru accessibility score

63

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

<frame> or <iframe> elements do not have a title

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Tables and lists

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Impact

Issue

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

Best Practices

center-okna.ru best practices score

75

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Serves images with low resolution

SEO Factors

center-okna.ru SEO score

80

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

    RU

  • Encoding

    WINDOWS-1251

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Center-okna.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 Center-okna.ru 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 Center Okna. 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: