Tools & Wizards About Us
21golf.com screenshot

Report Summary

  • 24

    Performance

    Renders faster than
    43% of other websites

  • 40

    Accessibility

    Visual factors better than
    that of 19% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 69

    SEO

    Google-friendlier than
    28% of websites

21golf.com

中国高尔夫网-打造一个阶层的生活-高尔夫行业的引领者||高尔夫社区|高尔夫教学|高尔夫视频|高尔夫|golf|

Page Load Speed

66.7 sec in total

First Response

2.2 sec

Resources Loaded

63.9 sec

Page Rendered

619 ms

21golf.com screenshot

About Website

Visit 21golf.com now to see the best up-to-date 21 Golf content for China and also check out these interesting facts you probably never knew about 21golf.com

中国高尔夫网创建于1999年,网址:www.21golf.com.热线:4000135000,是中国最早提供专业高尔夫服务的公司,拥有中国高尔夫球市场从最初萌芽到现今快速发展阶段最为长久和丰富的高尔夫球服务经验,同时具有稳定而庞大的高端客户资源和高品质专业服务口碑;主营业务为:高端品牌推广解决方案;为客户提供高尔夫球场预订、高尔夫度假、赛事活动等高尔夫相关业务,旨在为客户打造一个阶层的生活

Visit 21golf.com

Key Findings

We analyzed 21golf.com page load time and found that the first response time was 2.2 sec and then it took 64.5 sec to load all DOM resources and completely render a web page. This is an excellent result, as only a small number of websites can load faster. Unfortunately, there were 2 request timeouts, which can generally increase the web page load time, as the browser stays idle while waiting for website response.

Performance Metrics

21golf.com performance score

24

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value10.6 s

0/100

10%

LCP (Largest Contentful Paint)

Value53.8 s

0/100

25%

SI (Speed Index)

Value23.4 s

0/100

10%

TBT (Total Blocking Time)

Value910 ms

31/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value28.5 s

0/100

10%

Network Requests Diagram

21golf.com

2199 ms

public.css

977 ms

index.css

1671 ms

mF_rapoo.css

711 ms

index_nav.css

690 ms

Our browser made a total of 188 requests to load all elements on the main page. We found that 73% of them (138 requests) were addressed to the original 21golf.com, 5% (10 requests) were made to Img.t.sinajs.cn and 3% (6 requests) were made to Timg.sjs.sinajs.cn. The less responsive or slowest element that took the longest time to load (20.3 sec) belongs to the original domain 21golf.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.1 MB (29%)

Content Size

3.8 MB

After Optimization

2.7 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of 21golf.com main page is 3.8 MB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 45% of websites need less resources to load. Images take 2.5 MB which makes up the majority of the site volume.

HTML Optimization

-79%

Potential reduce by 51.4 kB

  • Original 65.2 kB
  • After minification 51.7 kB
  • After compression 13.7 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 13.4 kB, which is 21% 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 51.4 kB or 79% of the original size.

Image Optimization

-4%

Potential reduce by 93.5 kB

  • Original 2.5 MB
  • After minification 2.4 MB

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. 21 Golf images are well optimized though.

JavaScript Optimization

-79%

Potential reduce by 911.1 kB

  • Original 1.2 MB
  • After minification 781.0 kB
  • After compression 248.4 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 911.1 kB or 79% of the original size.

CSS Optimization

-80%

Potential reduce by 60.0 kB

  • Original 75.0 kB
  • After minification 70.0 kB
  • After compression 15.0 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. 21golf.com needs all CSS files to be minified and compressed as it can save up to 60.0 kB or 80% of the original size.

Requests Breakdown

Number of requests can be reduced by 36 (20%)

Requests Now

180

After Optimization

144

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 180 CSS, Javascripts, AJAX and image requests in order to completely render the main page of 21 Golf. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 19 to 1 for JavaScripts and from 10 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

21golf.com

21golf.com

2199 ms

public.css

public.css

977 ms

index.css

index.css

1671 ms

mF_rapoo.css

mF_rapoo.css

711 ms

index_nav.css

index_nav.css

690 ms

tab_qiehuan.js

tab_qiehuan.js

19919 ms

myfocus-2.0.4.full.js

myfocus-2.0.4.full.js

1752 ms

jcarousellite.js

jcarousellite.js

1454 ms

mF_rapoo.js

mF_rapoo.js

1326 ms

select.js

select.js

1659 ms

index.js

index.js

1701 ms

jquery.SuperSlide.2.1.1.js

jquery.SuperSlide.2.1.1.js

2119 ms

channel.js

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2286 ms

sethome.js

sethome.js

1983 ms

header_login.html

header_login.html

844 ms

WdatePicker.js

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1693 ms

jquery.autocomplete.js

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1754 ms

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1645 ms

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tq.php

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16956 ms

WdatePicker.css

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20319 ms

ben_img.jpg

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11042 ms

sopec_img.jpg

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11163 ms

chinamobile_img.jpg

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11784 ms

masterCard_img.jpg

masterCard_img.jpg

12465 ms

airChina_img.jpg

airChina_img.jpg

12463 ms

citiBank_img.jpg

citiBank_img.jpg

13096 ms

unionPay_img.jpg

unionPay_img.jpg

12201 ms

cbc_img.jpg

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12464 ms

abc_img.jpg

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12196 ms

bc_img.jpg

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12355 ms

cgb_img.jpg

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13044 ms

login_btnBg.gif

login_btnBg.gif

13477 ms

index.php

index.php

977 ms

logo.jpg

logo.jpg

13173 ms

z_stat.php

z_stat.php

1191 ms

head_searchBg.png

head_searchBg.png

13370 ms

menu_bg.gif

menu_bg.gif

14721 ms

menu_borderRight.png

menu_borderRight.png

13144 ms

vipClubBg.gif

vipClubBg.gif

13816 ms

bank_icon.png

bank_icon.png

14229 ms

center_fangkuai.gif

center_fangkuai.gif

13683 ms

weiboShow.css

weiboShow.css

1364 ms

skin05.css

skin05.css

1368 ms

gaea_1_19.js

gaea_1_19.js

314 ms

show.js

show.js

771 ms

suda.js

suda.js

774 ms

zbtj_bg.gif

zbtj_bg.gif

14184 ms

zbtd_titleBg.png

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zbtj_contentBg.gif

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14226 ms

eshj_borderBg.gif

eshj_borderBg.gif

14195 ms

stat.htm

stat.htm

604 ms

core.php

core.php

1192 ms

golfFormBg.gif

golfFormBg.gif

17413 ms

.png

.png

13795 ms

1

1

431 ms

tooth.gif

tooth.gif

2724 ms

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464 ms

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224 ms

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91 ms

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92 ms

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2708 ms

heart.gif

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2707 ms

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2707 ms

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2707 ms

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88 ms

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76 ms

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83 ms

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81 ms

icon_user.png

icon_user.png

69 ms

btns_bg.png

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68 ms

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23 ms

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179 ms

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app.gif

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jiantou_icon.gif

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course_titleBg.gif

course_titleBg.gif

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7647 ms

hot_titleNumberBg.gif

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audio_titleBg.gif

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profession_titleBg.gif

profession_titleBg.gif

8179 ms

help_titleBg.gif

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weibo_titleBg.gif

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7618 ms

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video_teaTitleBg.gif

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7460 ms

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7423 ms

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mtlm_titleBg.gif

7348 ms

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6805 ms

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7060 ms

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footerlink_icon.gif

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6271 ms

erweima_bg.png

erweima_bg.png

6190 ms

index_footer_erweima.png

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7342 ms

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340 ms

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334 ms

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339 ms

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datepicker.css

340 ms

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340 ms

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345 ms

Accessibility Review

21golf.com accessibility score

40

Accessibility Issues

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

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

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Tables and lists

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Impact

Issue

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

High

List items (<li>) are not contained within <ul> or <ol> parent elements.

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

21golf.com 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

SEO Factors

21golf.com SEO score

69

Search Engine Optimization Advices

Crawling and Indexing

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

Impact

Issue

High

Page is blocked from indexing

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 doesn't use legible font sizes

Language and Encoding

  • Language Detected

    ZH

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise 21golf.com can be misinterpreted by Google and other search engines. Our service has detected that Chinese 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 21golf.com 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

21golf.com

Open Graph description is not detected on the main page of 21 Golf. 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: