Tools & Wizards About Us
isolux.ru screenshot

Report Summary

  • 19

    Performance

    Renders faster than
    36% of other websites

  • 77

    Accessibility

    Visual factors better than
    that of 44% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 84

    SEO

    Google-friendlier than
    52% of websites

isolux.ru

Строительный интернет-магазин Главснаб - товары для строительства и ремонта с доставкой по Москве

Page Load Speed

5.7 sec in total

First Response

505 ms

Resources Loaded

4.9 sec

Page Rendered

315 ms

isolux.ru screenshot

About Website

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

Более 200 000 товаров для строительства и ремонта с доставкой по Москве и МО оптом и в розницу. Склад в Кунцево для самовывоза. Разгрузка строительных материалов и подъем на этаж. Колеровка красок и ш...

Visit isolux.ru

Key Findings

We analyzed Isolux.ru page load time and found that the first response time was 505 ms and then it took 5.2 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

isolux.ru performance score

19

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.5 s

33/100

10%

LCP (Largest Contentful Paint)

Value12.5 s

0/100

25%

SI (Speed Index)

Value23.7 s

0/100

10%

TBT (Total Blocking Time)

Value3,510 ms

1/100

30%

CLS (Cumulative Layout Shift)

Value0.015

100/100

15%

TTI (Time to Interactive)

Value23.9 s

1/100

10%

Network Requests Diagram

isolux.ru

505 ms

glavsnab.net

1472 ms

main_697c26c70e.css

801 ms

index.min.js

63 ms

js

63 ms

Our browser made a total of 43 requests to load all elements on the main page. We found that 2% of them (1 request) were addressed to the original Isolux.ru, 56% (24 requests) were made to Glavsnab.net and 9% (4 requests) were made to Top-fwz1.mail.ru. The less responsive or slowest element that took the longest time to load (1.5 sec) relates to the external source Glavsnab.net.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.1 MB (57%)

Content Size

2.0 MB

After Optimization

850.0 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Isolux.ru main page is 2.0 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. 60% of websites need less resources to load. HTML takes 1.2 MB which makes up the majority of the site volume.

HTML Optimization

-93%

Potential reduce by 1.1 MB

  • Original 1.2 MB
  • After minification 759.9 kB
  • After compression 77.4 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 395.8 kB, which is 34% 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 1.1 MB or 93% of the original size.

Image Optimization

-5%

Potential reduce by 13.2 kB

  • Original 272.5 kB
  • After minification 259.3 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. Isolux images are well optimized though.

JavaScript Optimization

-2%

Potential reduce by 7.2 kB

  • Original 407.9 kB
  • After minification 407.5 kB
  • After compression 400.8 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

-8%

Potential reduce by 10.0 kB

  • Original 122.5 kB
  • After minification 122.5 kB
  • After compression 112.5 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. Isolux.ru has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 23 (64%)

Requests Now

36

After Optimization

13

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 36 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Isolux. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 24 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

isolux.ru

isolux.ru

505 ms

glavsnab.net

glavsnab.net

1472 ms

main_697c26c70e.css

main_697c26c70e.css

801 ms

index.min.js

index.min.js

63 ms

js

js

63 ms

index.min.js

index.min.js

15 ms

jquery-3.3.1.min.js

jquery-3.3.1.min.js

134 ms

cookies.min.js

cookies.min.js

268 ms

plugins_211130.js

plugins_211130.js

811 ms

pricelib_210517.js

pricelib_210517.js

400 ms

fixGAfunctions.min.js

fixGAfunctions.min.js

411 ms

sweetalert2.all.min.js

sweetalert2.all.min.js

658 ms

components_270121.js

components_270121.js

402 ms

checkout-feedback.min.js

checkout-feedback.min.js

657 ms

catalog.2024-01-22.min.js

catalog.2024-01-22.min.js

658 ms

main.2024-02-05.min.js

main.2024-02-05.min.js

752 ms

gaee_probe.2023-07-31.min.js

gaee_probe.2023-07-31.min.js

657 ms

validate_src.2024-04-03.min.js

validate_src.2024-04-03.min.js

753 ms

oneclickorder.2023-09-04.min.js

oneclickorder.2023-09-04.min.js

753 ms

cbk.css

cbk.css

821 ms

ct_phone.min.js

ct_phone.min.js

753 ms

gtm.js

gtm.js

56 ms

track.js

track.js

648 ms

isolux_logo.svg

isolux_logo.svg

288 ms

damixa1170x380x010224.jpg

damixa1170x380x010224.jpg

1040 ms

stub.gif

stub.gif

475 ms

agencyxlogo.svg

agencyxlogo.svg

475 ms

icons.svg

icons.svg

282 ms

af.js

af.js

635 ms

client.js

client.js

790 ms

RobotoCondensed-Bold.woff

RobotoCondensed-Bold.woff

428 ms

RobotoCondensed-Regular.woff

RobotoCondensed-Regular.woff

327 ms

RobotoCondensed-Light.woff

RobotoCondensed-Light.woff

442 ms

isolux-icon-font.ttf

isolux-icon-font.ttf

312 ms

tag.js

tag.js

942 ms

code.js

code.js

987 ms

733 ms

sync-loader.js

sync-loader.js

873 ms

counter

counter

131 ms

dyn-goal-config.js

dyn-goal-config.js

262 ms

advert.gif

advert.gif

679 ms

1

1

287 ms

tracker

tracker

129 ms

Accessibility Review

isolux.ru accessibility score

77

Accessibility Issues

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

[aria-hidden="true"] elements contain focusable descendents

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

[id] attributes on active, focusable elements are not unique

High

Heading elements are not in a sequentially-descending order

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

Form elements do not have associated labels

High

Links do not have a discernible name

Best Practices

isolux.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

Missing source maps for large first-party JavaScript

SEO Factors

isolux.ru SEO score

84

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

    UTF-8

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

isolux.ru

Open Graph data is detected on the main page of Isolux. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: