Tools & Wizards About Us
okotlah.ru screenshot

Report Summary

  • 94

    Performance

    Renders faster than
    93% of other websites

  • 59

    Accessibility

    Visual factors better than
    that of 26% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 67

    SEO

    Google-friendlier than
    25% of websites

okotlah.ru

О КОТЛАХ Газовые котлы Электрические котлы Жидкотопливные котлы Твердотопливные котлы

Page Load Speed

2.8 sec in total

First Response

829 ms

Resources Loaded

1.7 sec

Page Rendered

294 ms

okotlah.ru screenshot

About Website

Click here to check amazing Okotlah content for Russia. Otherwise, check out these important facts you probably never knew about okotlah.ru

О КОТЛАХ и не только - сайт о том, как правильно выбрать инженерное оборудование для загородного дома (котлы, радиаторы, насосы)

Visit okotlah.ru

Key Findings

We analyzed Okotlah.ru page load time and found that the first response time was 829 ms and then it took 2 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 35% of websites can load faster.

Performance Metrics

okotlah.ru performance score

94

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.3 s

98/100

10%

LCP (Largest Contentful Paint)

Value2.2 s

95/100

25%

SI (Speed Index)

Value2.2 s

99/100

10%

TBT (Total Blocking Time)

Value240 ms

85/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value1.9 s

100/100

10%

Network Requests Diagram

okotlah.ru

829 ms

style.css

371 ms

main.js

260 ms

spacer.gif

143 ms

gazovyj-kotel.jpg

691 ms

Our browser made a total of 20 requests to load all elements on the main page. We found that 90% of them (18 requests) were addressed to the original Okotlah.ru, 10% (2 requests) were made to Counter.yadro.ru. The less responsive or slowest element that took the longest time to load (829 ms) belongs to the original domain Okotlah.ru.

Page Optimization Overview & Recommendations

Page size can be reduced by 24.5 kB (21%)

Content Size

119.4 kB

After Optimization

94.9 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Okotlah.ru main page is 119.4 kB. This result falls within a vast category (top 1 000 000) of heavyweight, probably not optimized, and thus slow loading web pages. Only 5% of websites need less resources to load. Images take 94.7 kB which makes up the majority of the site volume.

HTML Optimization

-74%

Potential reduce by 13.0 kB

  • Original 17.6 kB
  • After minification 16.5 kB
  • After compression 4.6 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 13.0 kB or 74% of the original size.

Image Optimization

-6%

Potential reduce by 5.7 kB

  • Original 94.7 kB
  • After minification 89.0 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. Okotlah images are well optimized though.

JavaScript Optimization

-67%

Potential reduce by 360 B

  • Original 534 B
  • After minification 313 B
  • After compression 174 B

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 360 B or 67% of the original size.

CSS Optimization

-82%

Potential reduce by 5.4 kB

  • Original 6.6 kB
  • After minification 5.4 kB
  • After compression 1.2 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. Okotlah.ru needs all CSS files to be minified and compressed as it can save up to 5.4 kB or 82% of the original size.

Requests Breakdown

Number of requests can be reduced by 5 (33%)

Requests Now

15

After Optimization

10

  • Images
  • JavaScript
  • CSS

The browser has sent 15 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Okotlah. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests and as a result speed up the page load time.

Network Requests Diagram

okotlah.ru

okotlah.ru

829 ms

style.css

style.css

371 ms

main.js

main.js

260 ms

spacer.gif

spacer.gif

143 ms

gazovyj-kotel.jpg

gazovyj-kotel.jpg

691 ms

t3s_100x200.gif

t3s_100x200.gif

393 ms

ban199-100-1.png

ban199-100-1.png

391 ms

vilma199.gif

vilma199.gif

686 ms

md_o.gif

md_o.gif

274 ms

md_b.gif

md_b.gif

273 ms

top2_bg.jpg

top2_bg.jpg

408 ms

logo.png

logo.png

414 ms

kotel.jpg

kotel.jpg

770 ms

topline_bg.gif

topline_bg.gif

514 ms

t_text_bg.gif

t_text_bg.gif

543 ms

bottom_bg.gif

bottom_bg.gif

551 ms

b_text_bg.gif

b_text_bg.gif

638 ms

bottom_white.gif

bottom_white.gif

675 ms

hit

hit

255 ms

hit

hit

129 ms

Accessibility Review

okotlah.ru accessibility score

59

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.

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

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

Links do not have a discernible name

Best Practices

okotlah.ru best practices score

67

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

General

Impact

Issue

High

Browser errors were logged to the console

SEO Factors

okotlah.ru SEO score

67

Search Engine Optimization Advices

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

Language and Encoding

  • Language Detected

    RU

  • Language Claimed

    N/A

  • Encoding

    WINDOWS-1251

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

okotlah.ru

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