Tools & Wizards About Us
isoterm.ru screenshot

Report Summary

  • 16

    Performance

    Renders faster than
    30% of other websites

  • 68

    Accessibility

    Visual factors better than
    that of 33% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 84

    SEO

    Google-friendlier than
    52% of websites

isoterm.ru

Конвекторы водяного отопления - первое производство в России АО "Фирма Изотерм"

Page Load Speed

14 sec in total

First Response

538 ms

Resources Loaded

12.4 sec

Page Rendered

1.1 sec

isoterm.ru screenshot

About Website

Welcome to isoterm.ru homepage info - get ready to check Isoterm best content right away, or after learning these important things about isoterm.ru

АО "Фирма Изотерм" - ведущий производитель медно-алюминиевых конвекторов водяного отопления в России.

Visit isoterm.ru

Key Findings

We analyzed Isoterm.ru page load time and found that the first response time was 538 ms and then it took 13.5 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.

Performance Metrics

isoterm.ru performance score

16

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value6.6 s

2/100

10%

LCP (Largest Contentful Paint)

Value10.4 s

0/100

25%

SI (Speed Index)

Value15.1 s

1/100

10%

TBT (Total Blocking Time)

Value3,980 ms

1/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value17.1 s

4/100

10%

Network Requests Diagram

isoterm.ru

538 ms

isoterm.ru

1128 ms

core.css

264 ms

css

39 ms

style.css

396 ms

Our browser made a total of 238 requests to load all elements on the main page. We found that 68% of them (162 requests) were addressed to the original Isoterm.ru, 21% (49 requests) were made to Core-renderer-tiles.maps.yandex.net and 4% (9 requests) were made to Api-maps.yandex.ru. The less responsive or slowest element that took the longest time to load (5.4 sec) belongs to the original domain Isoterm.ru.

Page Optimization Overview & Recommendations

Page size can be reduced by 4.4 MB (29%)

Content Size

15.4 MB

After Optimization

10.9 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Isoterm.ru main page is 15.4 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. 75% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Images take 14.0 MB which makes up the majority of the site volume.

HTML Optimization

-78%

Potential reduce by 446.2 kB

  • Original 572.9 kB
  • After minification 503.2 kB
  • After compression 126.8 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 69.8 kB, which is 12% 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 446.2 kB or 78% of the original size.

Image Optimization

-27%

Potential reduce by 3.8 MB

  • Original 14.0 MB
  • After minification 10.2 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. Obviously, Isoterm needs image optimization as it can save up to 3.8 MB or 27% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-15%

Potential reduce by 83.8 kB

  • Original 549.0 kB
  • After minification 548.9 kB
  • After compression 465.2 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 83.8 kB or 15% of the original size.

CSS Optimization

-33%

Potential reduce by 72.1 kB

  • Original 217.6 kB
  • After minification 217.6 kB
  • After compression 145.6 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. Isoterm.ru needs all CSS files to be minified and compressed as it can save up to 72.1 kB or 33% of the original size.

Requests Breakdown

Number of requests can be reduced by 84 (38%)

Requests Now

224

After Optimization

140

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 224 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Isoterm. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 53 to 1 for JavaScripts and from 25 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

isoterm.ru

isoterm.ru

538 ms

isoterm.ru

isoterm.ru

1128 ms

core.css

core.css

264 ms

css

css

39 ms

style.css

style.css

396 ms

bootstrap.css

bootstrap.css

533 ms

font-awesome.min.css

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404 ms

flexslider.css

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402 ms

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401 ms

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407 ms

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528 ms

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540 ms

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542 ms

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546 ms

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549 ms

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659 ms

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663 ms

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670 ms

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1063 ms

responsive.css

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940 ms

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807 ms

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811 ms

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1192 ms

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1112 ms

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949 ms

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950 ms

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1112 ms

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61 ms

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1152 ms

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943 ms

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946 ms

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945 ms

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889 ms

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732 ms

ba.js

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3926 ms

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4811 ms

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4688 ms

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5074 ms

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5081 ms

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4908 ms

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4932 ms

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5195 ms

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5039 ms

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5200 ms

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65 ms

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65 ms

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3693 ms

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3698 ms

flexslider-icon.woff

flexslider-icon.woff

5195 ms

4278 ms

tag.js

tag.js

4420 ms

js

js

3676 ms

analytics.js

analytics.js

3669 ms

call.tracker.js

call.tracker.js

1335 ms

ajax_counter.php

ajax_counter.php

1859 ms

Isoterm%20Magnus%20de%20Luxe.jpg

Isoterm%20Magnus%20de%20Luxe.jpg

1499 ms

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1501 ms

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1551 ms

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1551 ms

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1551 ms

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1559 ms

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1566 ms

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1567 ms

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1568 ms

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1570 ms

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1690 ms

bx_stat

bx_stat

268 ms

collect

collect

17 ms

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1517 ms

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1519 ms

isoterm.jpg

isoterm.jpg

1789 ms

vnMctL-zjR0.jpg

vnMctL-zjR0.jpg

1524 ms

n7a1JoRqroM.jpg

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1641 ms

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1648 ms

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1601 ms

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1605 ms

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1693 ms

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1719 ms

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1728 ms

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header_icons.svg

1601 ms

combine

combine

763 ms

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header_icons.svg

1201 ms

content_icons.svg

content_icons.svg

1239 ms

advert.gif

advert.gif

673 ms

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1193 ms

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958 ms

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1076 ms

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Accessibility Review

isoterm.ru accessibility score

68

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

button, link, and menuitem elements do not have accessible names.

High

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

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

Buttons do not have an accessible name

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

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.

Best Practices

isoterm.ru best practices score

75

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

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

isoterm.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 Isoterm.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 Isoterm.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

isoterm.ru

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