Tools & Wizards About Us
online-sensei.net screenshot

Report Summary

  • 31

    Performance

    Renders faster than
    51% of other websites

  • 76

    Accessibility

    Visual factors better than
    that of 42% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 92

    SEO

    Google-friendlier than
    74% of websites

online-sensei.net

Online Sensei · Nike Och Adidas Online Utlopp Butiker

Page Load Speed

724 ms in total

First Response

157 ms

Resources Loaded

400 ms

Page Rendered

167 ms

online-sensei.net screenshot

About Website

Visit online-sensei.net now to see the best up-to-date Online Sensei content and also check out these interesting facts you probably never knew about online-sensei.net

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Key Findings

We analyzed Online-sensei.net page load time and found that the first response time was 157 ms and then it took 567 ms to load all DOM resources and completely render a web page. This is quite a good result, as only 10% of websites can load faster.

Performance Metrics

online-sensei.net performance score

31

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.2 s

8/100

10%

LCP (Largest Contentful Paint)

Value6.9 s

7/100

25%

SI (Speed Index)

Value10.2 s

8/100

10%

TBT (Total Blocking Time)

Value430 ms

64/100

30%

CLS (Cumulative Layout Shift)

Value0.434

22/100

15%

TTI (Time to Interactive)

Value6.7 s

56/100

10%

Network Requests Diagram

online-sensei.net

157 ms

sensei.css

38 ms

cn.php

171 ms

cn.php

173 ms

cn.php

173 ms

Our browser made a total of 15 requests to load all elements on the main page. We found that all of those requests were addressed to Online-sensei.net and no external sources were called. The less responsive or slowest element that took the longest time to load (227 ms) belongs to the original domain Online-sensei.net.

Page Optimization Overview & Recommendations

Page size can be reduced by 10.2 kB (14%)

Content Size

71.6 kB

After Optimization

61.5 kB

  • HTML
  • Images
  • CSS

In fact, the total size of Online-sensei.net main page is 71.6 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 10% of websites need less resources to load. Images take 67.3 kB which makes up the majority of the site volume.

HTML Optimization

-67%

Potential reduce by 1.6 kB

  • Original 2.4 kB
  • After minification 2.3 kB
  • After compression 784 B

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 1.6 kB or 67% of the original size.

Image Optimization

-10%

Potential reduce by 7.0 kB

  • Original 67.3 kB
  • After minification 60.3 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. Online Sensei images are well optimized though.

CSS Optimization

-81%

Potential reduce by 1.6 kB

  • Original 1.9 kB
  • After minification 1.6 kB
  • After compression 380 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. Online-sensei.net needs all CSS files to be minified and compressed as it can save up to 1.6 kB or 81% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

9

After Optimization

9

  • Images
  • CSS

The browser has sent 9 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Online Sensei. According to our analytics all requests are already optimized.

Network Requests Diagram

online-sensei.net

online-sensei.net

157 ms

sensei.css

sensei.css

38 ms

cn.php

cn.php

171 ms

cn.php

cn.php

173 ms

cn.php

cn.php

173 ms

cn.php

cn.php

172 ms

cn.php

cn.php

172 ms

click_me.jpg

click_me.jpg

59 ms

storebox.jpg

storebox.jpg

122 ms

coursebox.jpg

coursebox.jpg

181 ms

freebox.jpg

freebox.jpg

227 ms

paper.jpg

paper.jpg

166 ms

pagetop.jpg

pagetop.jpg

169 ms

tabn.jpg

tabn.jpg

168 ms

pagebot.jpg

pagebot.jpg

167 ms

Accessibility Review

online-sensei.net accessibility score

76

Accessibility Issues

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

Buttons do not have an accessible name

High

Form elements do not have associated labels

High

Links do not have a discernible name

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

Best Practices

online-sensei.net 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

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

online-sensei.net SEO score

92

Search Engine Optimization Advices

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

Links are not crawlable

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

    SV

  • Language Claimed

    N/A

  • Encoding

    N/A

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Online-sensei.net can be misinterpreted by Google and other search engines. Our service has detected that Swedish 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 Online-sensei.net 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

online-sensei.net

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