Tools & Wizards About Us

Report Summary

  • 14

    Performance

    Renders faster than
    26% of other websites

  • 71

    Accessibility

    Visual factors better than
    that of 36% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 76

    SEO

    Google-friendlier than
    35% of websites

tennistown.com.hk

Home - Tennis Town | 網球購物城 - Tennis Racquets, Equipment, Strings, Shoes & Bag.

Page Load Speed

27.9 sec in total

First Response

9.2 sec

Resources Loaded

18.3 sec

Page Rendered

377 ms

About Website

Welcome to tennistown.com.hk homepage info - get ready to check Tennis Town best content for Hong Kong right away, or after learning these important things about tennistown.com.hk

香港網球用品專門店 Tennis Town is a tennis online shop in Hong Kong since 2006. We offer professional stringing service and tennis gear - tennis racquets, strings, shoes, bags and equipment.

Visit tennistown.com.hk

Key Findings

We analyzed Tennistown.com.hk page load time and found that the first response time was 9.2 sec and then it took 18.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 95% of websites can load faster.

Performance Metrics

tennistown.com.hk performance score

14

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value9.1 s

0/100

10%

LCP (Largest Contentful Paint)

Value13.6 s

0/100

25%

SI (Speed Index)

Value14.9 s

1/100

10%

TBT (Total Blocking Time)

Value3,090 ms

2/100

30%

CLS (Cumulative Layout Shift)

Value0.108

87/100

15%

TTI (Time to Interactive)

Value28.5 s

0/100

10%

Network Requests Diagram

tennistown.com.hk

9172 ms

gsStyle.css

3642 ms

ENG.css

3126 ms

jquery_gs-v2-2015.js

1918 ms

gs-v2-2015.js

1352 ms

Our browser made a total of 144 requests to load all elements on the main page. We found that 99% of them (142 requests) were addressed to the original Tennistown.com.hk, 1% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (9.2 sec) belongs to the original domain Tennistown.com.hk.

Page Optimization Overview & Recommendations

Page size can be reduced by 331.0 kB (34%)

Content Size

959.4 kB

After Optimization

628.4 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Tennistown.com.hk main page is 959.4 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. 20% of websites need less resources to load. Images take 640.1 kB which makes up the majority of the site volume.

HTML Optimization

-89%

Potential reduce by 136.8 kB

  • Original 153.3 kB
  • After minification 132.5 kB
  • After compression 16.5 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 20.7 kB, which is 14% 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 136.8 kB or 89% of the original size.

Image Optimization

-13%

Potential reduce by 86.2 kB

  • Original 640.1 kB
  • After minification 553.9 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. Obviously, Tennis Town needs image optimization as it can save up to 86.2 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

-64%

Potential reduce by 96.5 kB

  • Original 151.8 kB
  • After minification 135.5 kB
  • After compression 55.3 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 96.5 kB or 64% of the original size.

CSS Optimization

-81%

Potential reduce by 11.5 kB

  • Original 14.2 kB
  • After minification 12.3 kB
  • After compression 2.7 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. Tennistown.com.hk needs all CSS files to be minified and compressed as it can save up to 11.5 kB or 81% of the original size.

Requests Breakdown

Number of requests can be reduced by 81 (57%)

Requests Now

142

After Optimization

61

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 142 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Tennis Town. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 7 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

tennistown.com.hk accessibility score

71

Accessibility Issues

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

[aria-*] attributes do not match their roles

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

Image elements do not have [alt] attributes

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

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

tennistown.com.hk 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

tennistown.com.hk SEO score

76

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

High

robots.txt is not valid

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

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

    WINDOWS-1251

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Tennistown.com.hk 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 Tennistown.com.hk main page’s claimed encoding is windows-1251. 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

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