Tools & Wizards About Us
karlson.ru screenshot

Report Summary

  • 97

    Performance

    Renders faster than
    94% of other websites

  • 53

    Accessibility

    Visual factors better than
    that of 22% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    20% of websites

  • 69

    SEO

    Google-friendlier than
    28% of websites

karlson.ru

.:The House on The Roof:.

Page Load Speed

1.4 sec in total

First Response

390 ms

Resources Loaded

912 ms

Page Rendered

88 ms

karlson.ru screenshot

About Website

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

Personal Homepage of Nikita Kojekine AKA Kitya Karlson: The House on the Roof

Visit karlson.ru

Key Findings

We analyzed Karlson.ru page load time and found that the first response time was 390 ms and then it took 1000 ms 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

karlson.ru performance score

97

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value0.8 s

100/100

10%

LCP (Largest Contentful Paint)

Value1.1 s

100/100

25%

SI (Speed Index)

Value1.2 s

100/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.142

78/100

15%

TTI (Time to Interactive)

Value0.8 s

100/100

10%

Network Requests Diagram

karlson.ru

390 ms

styles.css

134 ms

title_ru.gif

258 ms

karlson1.jpg

411 ms

karlson2.jpg

384 ms

Our browser made a total of 9 requests to load all elements on the main page. We found that all of those requests were addressed to Karlson.ru and no external sources were called. The less responsive or slowest element that took the longest time to load (411 ms) belongs to the original domain Karlson.ru.

Page Optimization Overview & Recommendations

Page size can be reduced by 6.1 kB (10%)

Content Size

60.2 kB

After Optimization

54.1 kB

  • HTML
  • Images
  • CSS

In fact, the total size of Karlson.ru main page is 60.2 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 52.9 kB which makes up the majority of the site volume.

HTML Optimization

-59%

Potential reduce by 4.0 kB

  • Original 6.8 kB
  • After minification 6.7 kB
  • After compression 2.8 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. 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 4.0 kB or 59% of the original size.

Image Optimization

-4%

Potential reduce by 2.0 kB

  • Original 52.9 kB
  • After minification 50.9 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. Karlson images are well optimized though.

CSS Optimization

-31%

Potential reduce by 141 B

  • Original 461 B
  • After minification 461 B
  • After compression 320 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. Karlson.ru needs all CSS files to be minified and compressed as it can save up to 141 B or 31% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

7

After Optimization

7

  • Images
  • CSS

The browser has sent 7 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Karlson. According to our analytics all requests are already optimized.

Network Requests Diagram

karlson.ru

karlson.ru

390 ms

styles.css

styles.css

134 ms

title_ru.gif

title_ru.gif

258 ms

karlson1.jpg

karlson1.jpg

411 ms

karlson2.jpg

karlson2.jpg

384 ms

viewbanner.php

viewbanner.php

381 ms

image.veriword.php

image.veriword.php

374 ms

babys.gif

babys.gif

277 ms

smallpropeller.gif

smallpropeller.gif

283 ms

Accessibility Review

karlson.ru accessibility score

53

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

Form elements do not have associated labels

Best Practices

karlson.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

karlson.ru SEO score

69

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

    EN

  • Language Claimed

    N/A

  • Encoding

    KOI8-R

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Karlson.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 Karlson.ru main page’s claimed encoding is koi8-r. 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

karlson.ru

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