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klava.org screenshot

Report Summary

  • 77

    Performance

    Renders faster than
    85% of other websites

  • 93

    Accessibility

    Visual factors better than
    that of 82% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 92

    SEO

    Google-friendlier than
    75% of websites

klava.org

Klavarog

Page Load Speed

1.9 sec in total

First Response

585 ms

Resources Loaded

1.2 sec

Page Rendered

111 ms

klava.org screenshot

About Website

Welcome to klava.org homepage info - get ready to check Klava best content for Russia right away, or after learning these important things about klava.org

Клавиатурный тренажер «Клаварог» предназначен для обучения и закрепления навыков слепой десятипальцевой печати.

Visit klava.org

Key Findings

We analyzed Klava.org page load time and found that the first response time was 585 ms and then it took 1.3 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 25% of websites can load faster.

Performance Metrics

klava.org performance score

77

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.3 s

39/100

10%

LCP (Largest Contentful Paint)

Value3.3 s

69/100

25%

SI (Speed Index)

Value4.1 s

79/100

10%

TBT (Total Blocking Time)

Value260 ms

84/100

30%

CLS (Cumulative Layout Shift)

Value0.021

100/100

15%

TTI (Time to Interactive)

Value4.9 s

78/100

10%

Network Requests Diagram

klava.org

585 ms

jquery.min.js

31 ms

logo.png

213 ms

icons.png

177 ms

hands2.png

261 ms

Our browser made a total of 9 requests to load all elements on the main page. We found that 67% of them (6 requests) were addressed to the original Klava.org, 11% (1 request) were made to Ajax.googleapis.com and 11% (1 request) were made to Counter.yadro.ru. The less responsive or slowest element that took the longest time to load (585 ms) belongs to the original domain Klava.org.

Page Optimization Overview & Recommendations

Page size can be reduced by 76.6 kB (53%)

Content Size

145.0 kB

After Optimization

68.3 kB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Klava.org main page is 145.0 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. 15% of websites need less resources to load. HTML takes 91.1 kB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 74.1 kB

  • Original 91.1 kB
  • After minification 91.1 kB
  • After compression 17.1 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 74.1 kB or 81% of the original size.

Image Optimization

-13%

Potential reduce by 2.6 kB

  • Original 20.0 kB
  • After minification 17.5 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, Klava needs image optimization as it can save up to 2.6 kB or 13% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-0%

Potential reduce by 15 B

  • Original 33.8 kB
  • After minification 33.8 kB
  • After compression 33.8 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.

Requests Breakdown

We found no issues to fix!

Requests Now

7

After Optimization

7

  • AJAX
  • Images
  • JavaScript

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

Network Requests Diagram

klava.org

klava.org

585 ms

jquery.min.js

jquery.min.js

31 ms

logo.png

logo.png

213 ms

icons.png

icons.png

177 ms

hands2.png

hands2.png

261 ms

hit

hit

284 ms

vk16.png

vk16.png

582 ms

eng_begin.txt

eng_begin.txt

383 ms

wait.gif

wait.gif

260 ms

Accessibility Review

klava.org accessibility score

93

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

Best Practices

klava.org 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

klava.org SEO score

92

Search Engine Optimization Advices

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

Language and Encoding

  • Language Detected

    N/A

  • Language Claimed

    RU

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Klava.org can be misinterpreted by Google and other search engines. Unfortunately we cannot identify language used on the page (probably there is a mix of languages, too little text or something else), while the claimed language is Russian. Our system also found out that Klava.org 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

klava.org

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