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stzm.ru screenshot

Report Summary

  • 15

    Performance

    Renders faster than
    27% of other websites

  • 77

    Accessibility

    Visual factors better than
    that of 45% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    19% of websites

  • 77

    SEO

    Google-friendlier than
    36% of websites

stzm.ru

Основные элементы и конструкция теплого пола

Page Load Speed

3 sec in total

First Response

520 ms

Resources Loaded

1.8 sec

Page Rendered

673 ms

stzm.ru screenshot

About Website

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

Технологии системы теплого пола - Основные элементы, конструкция и виды полового покрытия

Visit stzm.ru

Key Findings

We analyzed Stzm.ru page load time and found that the first response time was 520 ms and then it took 2.4 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 45% of websites can load faster.

Performance Metrics

stzm.ru performance score

15

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.1 s

46/100

10%

LCP (Largest Contentful Paint)

Value4.8 s

31/100

25%

SI (Speed Index)

Value8.8 s

16/100

10%

TBT (Total Blocking Time)

Value5,800 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value1.027

2/100

15%

TTI (Time to Interactive)

Value15.6 s

6/100

10%

Network Requests Diagram

stzm.ru

520 ms

style2.css

131 ms

adsbygoogle.js

7 ms

1100.jpg

1255 ms

554.png

501 ms

Our browser made a total of 25 requests to load all elements on the main page. We found that 24% of them (6 requests) were addressed to the original Stzm.ru, 24% (6 requests) were made to Pagead2.googlesyndication.com and 16% (4 requests) were made to Googleads.g.doubleclick.net. The less responsive or slowest element that took the longest time to load (1.3 sec) belongs to the original domain Stzm.ru.

Page Optimization Overview & Recommendations

Page size can be reduced by 80.3 kB (9%)

Content Size

918.5 kB

After Optimization

838.2 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Stzm.ru main page is 918.5 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. 35% of websites need less resources to load. Images take 807.0 kB which makes up the majority of the site volume.

HTML Optimization

-72%

Potential reduce by 24.5 kB

  • Original 33.9 kB
  • After minification 32.3 kB
  • After compression 9.4 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. 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 24.5 kB or 72% of the original size.

Image Optimization

-6%

Potential reduce by 45.4 kB

  • Original 807.0 kB
  • After minification 761.6 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. Stzm images are well optimized though.

JavaScript Optimization

-9%

Potential reduce by 6.6 kB

  • Original 72.9 kB
  • After minification 72.7 kB
  • After compression 66.3 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

-80%

Potential reduce by 3.8 kB

  • Original 4.7 kB
  • After minification 3.9 kB
  • After compression 966 B

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. Stzm.ru needs all CSS files to be minified and compressed as it can save up to 3.8 kB or 80% of the original size.

Requests Breakdown

Number of requests can be reduced by 7 (32%)

Requests Now

22

After Optimization

15

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 22 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Stzm. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 8 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

stzm.ru

stzm.ru

520 ms

style2.css

style2.css

131 ms

adsbygoogle.js

adsbygoogle.js

7 ms

1100.jpg

1100.jpg

1255 ms

554.png

554.png

501 ms

588.png

588.png

889 ms

layout.css

layout.css

130 ms

ca-pub-2214141896468960.js

ca-pub-2214141896468960.js

49 ms

zrt_lookup.html

zrt_lookup.html

27 ms

show_ads_impl.js

show_ads_impl.js

49 ms

hit

hit

286 ms

ads

ads

207 ms

expansion_embed.js

expansion_embed.js

28 ms

osd.js

osd.js

29 ms

ads

ads

215 ms

hit

hit

170 ms

css

css

68 ms

m_js_controller.js

m_js_controller.js

50 ms

abg.js

abg.js

52 ms

nessie_icon_tiamat_white.png

nessie_icon_tiamat_white.png

59 ms

s

s

45 ms

googlelogo_color_112x36dp.png

googlelogo_color_112x36dp.png

60 ms

x_button_blue2.svg

x_button_blue2.svg

28 ms

fBnyGA8Aionz5086-mElmoOSPUuyQ1M9Un647_EjucU.js

fBnyGA8Aionz5086-mElmoOSPUuyQ1M9Un647_EjucU.js

4 ms

cJZKeOuBrn4kERxqtaUH3bO3LdcAZYWl9Si6vvxL-qU.woff

cJZKeOuBrn4kERxqtaUH3bO3LdcAZYWl9Si6vvxL-qU.woff

78 ms

Accessibility Review

stzm.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-*] attributes do not match their roles

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

Links do not have a discernible name

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a [lang] attribute

Best Practices

stzm.ru best practices score

58

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

Displays images with incorrect aspect ratio

High

Serves images with low resolution

General

Impact

Issue

High

Browser errors were logged to the console

SEO Factors

stzm.ru SEO score

77

Search Engine Optimization Advices

Language and Encoding

  • Language Detected

    RU

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Stzm.ru can be misinterpreted by Google and other search engines. Our service has detected that Russian is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Stzm.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

stzm.ru

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