Tools & Wizards About Us
kostelov.ru screenshot

Report Summary

  • 100

    Performance

    Renders faster than
    97% of other websites

  • 76

    Accessibility

    Visual factors better than
    that of 42% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 75

    SEO

    Google-friendlier than
    32% of websites

kostelov.ru

Пётр Костёлов Архитектура Дизайн Peter Kostelov Architecture Design

Page Load Speed

1.6 sec in total

First Response

536 ms

Resources Loaded

973 ms

Page Rendered

61 ms

kostelov.ru screenshot

About Website

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

Пётр Костёлов. Архитектура. Дизайн. Peter Kostelov. Architecture. Design.

Visit kostelov.ru

Key Findings

We analyzed Kostelov.ru page load time and found that the first response time was 536 ms and then it took 1 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 20% of websites can load faster.

Performance Metrics

kostelov.ru performance score

100

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value0.6 s

100/100

10%

LCP (Largest Contentful Paint)

Value1.5 s

100/100

25%

SI (Speed Index)

Value1.1 s

100/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value0.6 s

100/100

10%

Network Requests Diagram

kostelov.ru

536 ms

pk_logo_eng.jpg

283 ms

pk_logo_rus.gif

265 ms

podloga02.jpg

438 ms

fb_mini.png

295 ms

Our browser made a total of 6 requests to load all elements on the main page. We found that all of those requests were addressed to Kostelov.ru and no external sources were called. The less responsive or slowest element that took the longest time to load (536 ms) belongs to the original domain Kostelov.ru.

Page Optimization Overview & Recommendations

Page size can be reduced by 9.1 kB (20%)

Content Size

45.8 kB

After Optimization

36.7 kB

  • HTML
  • Images

In fact, the total size of Kostelov.ru main page is 45.8 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. Only 5% of websites need less resources to load. Images take 40.5 kB which makes up the majority of the site volume.

HTML Optimization

-74%

Potential reduce by 3.9 kB

  • Original 5.2 kB
  • After minification 4.5 kB
  • After compression 1.4 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 735 B, which is 14% 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 3.9 kB or 74% of the original size.

Image Optimization

-13%

Potential reduce by 5.2 kB

  • Original 40.5 kB
  • After minification 35.3 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. Obviously, Kostelov needs image optimization as it can save up to 5.2 kB or 13% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

Requests Breakdown

We found no issues to fix!

Requests Now

5

After Optimization

5

  • Images

The browser has sent 5 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Kostelov. According to our analytics all requests are already optimized.

Network Requests Diagram

kostelov.ru

kostelov.ru

536 ms

pk_logo_eng.jpg

pk_logo_eng.jpg

283 ms

pk_logo_rus.gif

pk_logo_rus.gif

265 ms

podloga02.jpg

podloga02.jpg

438 ms

fb_mini.png

fb_mini.png

295 ms

tw_1.png

tw_1.png

288 ms

Accessibility Review

kostelov.ru accessibility score

76

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

Links do not have a discernible name

Best Practices

kostelov.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

SEO Factors

kostelov.ru SEO score

75

Search Engine Optimization Advices

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    N/A

  • Encoding

    N/A

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Kostelov.ru can be misinterpreted by Google and other search engines. Our service has detected that English 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 Kostelov.ru main page’s claimed encoding is . 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

kostelov.ru

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