Report Summary

  • 24

    Performance

    Renders faster than
    43% of other websites

  • 96

    Accessibility

    Visual factors better than
    that of 89% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 90

    SEO

    Google-friendlier than
    68% of websites

onlinetennis.net

Onlinetennis - The Tennis Manager Browsergame

Page Load Speed

2.3 sec in total

First Response

360 ms

Resources Loaded

1.7 sec

Page Rendered

215 ms

onlinetennis.net screenshot

About Website

Click here to check amazing Onlinetennis content for Poland. Otherwise, check out these important facts you probably never knew about onlinetennis.net

Onlinetennis is the tennis manager in which you play the career of a tennis pro and fight your way up to the first place of the tennis entrylist.

Visit onlinetennis.net

Key Findings

We analyzed Onlinetennis.net page load time and found that the first response time was 360 ms and then it took 2 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 35% of websites can load faster.

Performance Metrics

onlinetennis.net performance score

24

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value23.1 s

0/100

10%

LCP (Largest Contentful Paint)

Value30.3 s

0/100

25%

SI (Speed Index)

Value24.4 s

0/100

10%

TBT (Total Blocking Time)

Value950 ms

29/100

30%

CLS (Cumulative Layout Shift)

Value0.001

100/100

15%

TTI (Time to Interactive)

Value31.6 s

0/100

10%

Network Requests Diagram

onlinetennis.net

360 ms

en

160 ms

css

29 ms

newLayout.css

94 ms

jqueryui.css

199 ms

Our browser made a total of 44 requests to load all elements on the main page. We found that 45% of them (20 requests) were addressed to the original Onlinetennis.net, 18% (8 requests) were made to Apis.google.com and 5% (2 requests) were made to Ajax.googleapis.com. The less responsive or slowest element that took the longest time to load (740 ms) belongs to the original domain Onlinetennis.net.

Page Optimization Overview & Recommendations

Page size can be reduced by 161.2 kB (17%)

Content Size

948.9 kB

After Optimization

787.7 kB

In fact, the total size of Onlinetennis.net main page is 948.9 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. 40% of websites need less resources to load. Images take 689.5 kB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 28.8 kB

  • Original 36.1 kB
  • After minification 32.6 kB
  • After compression 7.3 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 28.8 kB or 80% of the original size.

Image Optimization

-2%

Potential reduce by 14.9 kB

  • Original 689.5 kB
  • After minification 674.5 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. Onlinetennis images are well optimized though.

JavaScript Optimization

-46%

Potential reduce by 54.4 kB

  • Original 118.8 kB
  • After minification 106.8 kB
  • After compression 64.3 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 54.4 kB or 46% of the original size.

CSS Optimization

-60%

Potential reduce by 63.1 kB

  • Original 104.5 kB
  • After minification 79.7 kB
  • After compression 41.5 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. Onlinetennis.net needs all CSS files to be minified and compressed as it can save up to 63.1 kB or 60% of the original size.

Requests Breakdown

Number of requests can be reduced by 19 (49%)

Requests Now

39

After Optimization

20

The browser has sent 39 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Onlinetennis. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 15 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

onlinetennis.net accessibility score

96

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

Low

No form fields have multiple labels

High

Links do not have a discernible name

Best Practices

onlinetennis.net best practices score

83

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

Page has valid source maps

SEO Factors

onlinetennis.net SEO score

90

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

    EN

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Onlinetennis.net can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it matches the claimed language. Our system also found out that Onlinetennis.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 Onlinetennis. 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: