Tools & Wizards About Us
zelru.ru screenshot

Report Summary

  • 70

    Performance

    Renders faster than
    81% of other websites

  • 74

    Accessibility

    Visual factors better than
    that of 41% of websites

  • 50

    Best Practices

    More advanced features
    available than in
    18% of websites

  • 77

    SEO

    Google-friendlier than
    36% of websites

zelru.ru

Пластиковые окна REHAU в Зеленограде, пластиковые окна Солнечногорск, Клин, Солнечногорский район, Андреевка, Голубое, Алабушево, Истра

Page Load Speed

5.8 sec in total

First Response

818 ms

Resources Loaded

3.3 sec

Page Rendered

1.7 sec

zelru.ru screenshot

About Website

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

Настоящие Немецкие окна REHAU в Зеленограде недорого. Наша компания занимается производством, доставкой и установкой современных пластиковых окон и конструкций из алюминия с 1995 года. Также мы продае...

Visit zelru.ru

Key Findings

We analyzed Zelru.ru page load time and found that the first response time was 818 ms and then it took 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

zelru.ru performance score

70

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.5 s

69/100

10%

LCP (Largest Contentful Paint)

Value4.9 s

29/100

25%

SI (Speed Index)

Value3.4 s

90/100

10%

TBT (Total Blocking Time)

Value150 ms

95/100

30%

CLS (Cumulative Layout Shift)

Value0.161

73/100

15%

TTI (Time to Interactive)

Value5.6 s

70/100

10%

Network Requests Diagram

zelru.ru

818 ms

kernel_main0.css

261 ms

template_1539a41c76574b520b95615f37fedfd2_8759db350951e45ef73a91248155ca0c0.css

223 ms

kernel_main.js

455 ms

template_4eb33e4eeca11c34db8199e4739eabfc_6eee46a7e598640c20323159ad4a46a3.js

524 ms

Our browser made a total of 52 requests to load all elements on the main page. We found that 94% of them (49 requests) were addressed to the original Zelru.ru, 4% (2 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 (1.9 sec) belongs to the original domain Zelru.ru.

Page Optimization Overview & Recommendations

Page size can be reduced by 180.9 kB (7%)

Content Size

2.7 MB

After Optimization

2.5 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Zelru.ru main page is 2.7 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. 55% of websites need less resources to load. Images take 2.4 MB which makes up the majority of the site volume.

HTML Optimization

-79%

Potential reduce by 55.6 kB

  • Original 70.1 kB
  • After minification 66.1 kB
  • After compression 14.5 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 55.6 kB or 79% of the original size.

Image Optimization

-3%

Potential reduce by 82.9 kB

  • Original 2.4 MB
  • After minification 2.4 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. Zelru images are well optimized though.

JavaScript Optimization

-30%

Potential reduce by 40.0 kB

  • Original 133.2 kB
  • After minification 133.2 kB
  • After compression 93.2 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 40.0 kB or 30% of the original size.

CSS Optimization

-24%

Potential reduce by 2.4 kB

  • Original 10.1 kB
  • After minification 10.1 kB
  • After compression 7.6 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. Zelru.ru needs all CSS files to be minified and compressed as it can save up to 2.4 kB or 24% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

49

After Optimization

49

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 49 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Zelru. According to our analytics all requests are already optimized.

Network Requests Diagram

zelru.ru

zelru.ru

818 ms

kernel_main0.css

kernel_main0.css

261 ms

template_1539a41c76574b520b95615f37fedfd2_8759db350951e45ef73a91248155ca0c0.css

template_1539a41c76574b520b95615f37fedfd2_8759db350951e45ef73a91248155ca0c0.css

223 ms

kernel_main.js

kernel_main.js

455 ms

template_4eb33e4eeca11c34db8199e4739eabfc_6eee46a7e598640c20323159ad4a46a3.js

template_4eb33e4eeca11c34db8199e4739eabfc_6eee46a7e598640c20323159ad4a46a3.js

524 ms

fon_top.jpg

fon_top.jpg

192 ms

logo-zelru.png

logo-zelru.png

123 ms

fon_index.jpg

fon_index.jpg

446 ms

fon_vert_menu.png

fon_vert_menu.png

270 ms

img_errow_1.png

img_errow_1.png

151 ms

none.gif

none.gif

311 ms

fon_vert_menu2.png

fon_vert_menu2.png

350 ms

fon_gor_menu_0.jpg

fon_gor_menu_0.jpg

387 ms

menu_gor_1.png

menu_gor_1.png

436 ms

balkon.png

balkon.png

579 ms

menu_gor_laminaciya.png

menu_gor_laminaciya.png

620 ms

menu_gor_raskladka.png

menu_gor_raskladka.png

549 ms

remont_okon.png

remont_okon.png

690 ms

menu_gor_podokonnik.png

menu_gor_podokonnik.png

630 ms

menu_gor_otkos.png

menu_gor_otkos.png

671 ms

menu_gor_furniura.png

menu_gor_furniura.png

712 ms

menu_gor_10.png

menu_gor_10.png

761 ms

menu_gor_price.png

menu_gor_price.png

788 ms

potolok.png

potolok.png

830 ms

fon_content.jpg

fon_content.jpg

867 ms

fon_search.png

fon_search.png

907 ms

fon_button_search_ok.png

fon_button_search_ok.png

950 ms

fon_search2.png

fon_search2.png

997 ms

fon_vizov_zamer.png

fon_vizov_zamer.png

1029 ms

fon_vizov_zamer1.png

fon_vizov_zamer1.png

1067 ms

fon_vizov_zamer2.png

fon_vizov_zamer2.png

1105 ms

01.jpg

01.jpg

1356 ms

ul-li-arrow.png

ul-li-arrow.png

1187 ms

%D0%BE%D0%BA%D0%BD%D0%BE%20%D0%B3%D1%80%D1%8E%D0%BD%D0%B4%D0%B5%D1%801.jpg

%D0%BE%D0%BA%D0%BD%D0%BE%20%D0%B3%D1%80%D1%8E%D0%BD%D0%B4%D0%B5%D1%801.jpg

1339 ms

i1SDPOU75.jpg

i1SDPOU75.jpg

1376 ms

mosk.jpg

mosk.jpg

1532 ms

XXL.jpg

XXL.jpg

1455 ms

_%D0%9F%D0%92%D0%A5.jpg

_%D0%9F%D0%92%D0%A5.jpg

1857 ms

1575913369_1559723679_003.jpg

1575913369_1559723679_003.jpg

1782 ms

iQCANQNP9.jpg

iQCANQNP9.jpg

1711 ms

watch.js

watch.js

0 ms

%D0%BF%D0%B5%D0%BD%D0%B0.jpg

%D0%BF%D0%B5%D0%BD%D0%B0.jpg

1684 ms

analytics.js

analytics.js

14 ms

collect

collect

34 ms

candara.ttf

candara.ttf

1684 ms

%D1%80%D0%B5%D0%B3%D1%83%D0%BB%D0%B8%D1%80%D0%BE%D0%B2%D0%BA%D0%B0.jpg

%D1%80%D0%B5%D0%B3%D1%83%D0%BB%D0%B8%D1%80%D0%BE%D0%B2%D0%BA%D0%B0.jpg

1498 ms

%D0%B2%D1%85%D0%BE%D0%B4.jpg

%D0%B2%D1%85%D0%BE%D0%B4.jpg

1695 ms

%D0%B2%D0%BA.jpg

%D0%B2%D0%BA.jpg

1592 ms

1446476279_adsbygoo-580x195.jpg

1446476279_adsbygoo-580x195.jpg

1576 ms

graz2.jpg

graz2.jpg

1575 ms

int2.jpg

int2.jpg

1570 ms

3.jpg

3.jpg

1558 ms

Accessibility Review

zelru.ru accessibility score

74

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

Form elements do not have associated labels

High

Links do not have a discernible name

Best Practices

zelru.ru best practices score

50

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

SEO Factors

zelru.ru SEO score

77

Search Engine Optimization Advices

Language and Encoding

  • Language Detected

    RU

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Zelru.ru can be misinterpreted by Google and other search engines. Our service has detected that Russian is used on the page, and it does not match the claimed English language. Our system also found out that Zelru.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

zelru.ru

Open Graph description is not detected on the main page of Zelru. 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: