Tools & Wizards About Us

Report Summary

  • 16

    Performance

    Renders faster than
    30% of other websites

  • 74

    Accessibility

    Visual factors better than
    that of 40% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 90

    SEO

    Google-friendlier than
    68% of websites

slesl.net

SLESL.net: Learn English in virtual world ESL classes

Page Load Speed

3 sec in total

First Response

207 ms

Resources Loaded

906 ms

Page Rendered

1.9 sec

About Website

Visit slesl.net now to see the best up-to-date SLESL content for Ukraine and also check out these interesting facts you probably never knew about slesl.net

SLESL.net (Start Living English as a Second Language) learn English in fun virtual world English classes via Kitely.

Visit slesl.net

Key Findings

We analyzed Slesl.net page load time and found that the first response time was 207 ms and then it took 2.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 50% of websites can load faster.

Performance Metrics

slesl.net performance score

16

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.1 s

99/100

10%

LCP (Largest Contentful Paint)

Value9.1 s

1/100

25%

SI (Speed Index)

Value15.4 s

0/100

10%

TBT (Total Blocking Time)

Value24,930 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.302

39/100

15%

TTI (Time to Interactive)

Value35.1 s

0/100

10%

Network Requests Diagram

slesl.net

207 ms

adsbygoogle.js

19 ms

jquery.min.js

56 ms

jquery.scrolly.min.js

58 ms

jquery.dropotron.min.js

53 ms

Our browser made a total of 29 requests to load all elements on the main page. We found that 66% of them (19 requests) were addressed to the original Slesl.net, 14% (4 requests) were made to Fonts.gstatic.com and 7% (2 requests) were made to Platform-api.sharethis.com. The less responsive or slowest element that took the longest time to load (339 ms) belongs to the original domain Slesl.net.

Page Optimization Overview & Recommendations

Page size can be reduced by 26.6 kB (3%)

Content Size

837.4 kB

After Optimization

810.8 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Slesl.net main page is 837.4 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 740.3 kB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 23.8 kB

  • Original 29.8 kB
  • After minification 24.9 kB
  • After compression 6.1 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. This page needs HTML code to be minified as it can gain 5.0 kB, which is 17% 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 23.8 kB or 80% of the original size.

Image Optimization

-0%

Potential reduce by 0 B

  • Original 740.3 kB
  • After minification 740.3 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. SLESL images are well optimized though.

JavaScript Optimization

-2%

Potential reduce by 922 B

  • Original 54.5 kB
  • After minification 54.5 kB
  • After compression 53.5 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

-15%

Potential reduce by 1.9 kB

  • Original 12.8 kB
  • After minification 12.7 kB
  • After compression 10.9 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. Slesl.net needs all CSS files to be minified and compressed as it can save up to 1.9 kB or 15% of the original size.

Requests Breakdown

Number of requests can be reduced by 12 (57%)

Requests Now

21

After Optimization

9

  • Images
  • JavaScript
  • CSS

The browser has sent 21 CSS, Javascripts, AJAX and image requests in order to completely render the main page of SLESL. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 10 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

slesl.net accessibility score

74

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.

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

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

slesl.net best practices score

67

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

User Experience

Impact

Issue

High

Displays images with incorrect aspect ratio

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

slesl.net SEO score

90

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

Links do not have descriptive text

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

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    N/A

  • Encoding

    UTF-8

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

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