Access jyacht.com. 精艇游艇网——中文游艇门户网站|游艇产业平台

name

value

score

weighting

FCP (First Contentful Paint)

Value4.2 s

20/100

10%

LCP (Largest Contentful Paint)

Value5.1 s

24/100

25%

SI (Speed Index)

Value7.2 s

30/100

10%

TBT (Total Blocking Time)

Value30 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.196

63/100

15%

TTI (Time to Interactive)

Value5.5 s

70/100

10%

jyacht.com

6838 ms

zhcss.css

5677 ms

morwww.js

1175 ms

zhjs.js

19092 ms

20158923175679867.jpg

3260 ms

Our browser made a total of 141 requests to load all elements on the main page. We found that 92% of them (130 requests) were addressed to the original Jyacht.com, 4% (5 requests) were made to Bdimg.share.baidu.com and 3% (4 requests) were made to Zutingwan.com. The less responsive or slowest element that took the longest time to load (20.4 sec) belongs to the original domain Jyacht.com.

Content Size

919.5 kB

After Optimization

736.4 kB

In fact, the total size of Jyacht.com main page is 919.5 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. 30% of websites need less resources to load. Images take 694.1 kB which makes up the majority of the site volume.

HTML Optimization

-85%

Potential reduce by 102.2 kB

Original 120.4 kB
After minification 84.9 kB
After compression 18.2 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 35.5 kB, which is 29% 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 102.2 kB or 85% of the original size.

Image Optimization

-1%

Potential reduce by 9.8 kB

Original 694.1 kB
After minification 684.2 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. Jyacht images are well optimized though.

JavaScript Optimization

-61%

Potential reduce by 39.3 kB

Original 64.8 kB
After minification 64.8 kB
After compression 25.5 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 39.3 kB or 61% of the original size.

CSS Optimization

-79%

Potential reduce by 31.6 kB

Original 40.2 kB
After minification 33.9 kB
After compression 8.5 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. Jyacht.com needs all CSS files to be minified and compressed as it can save up to 31.6 kB or 79% of the original size.

Requests Now

122

After Optimization

117

The browser has sent 122 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Jyacht. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 6 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Issues

These are opportunities to improve the legibility of your content.

High

Background and foreground colors do not have a sufficient contrast ratio.

These are opportunities to improve keyboard navigation in your application.

High

[id] attributes on active, focusable elements are not unique

These are opportunities to improve the interpretation of your content by users in different locales.

High

<html> element does not have a [lang] attribute

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.

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

These items highlight common accessibility best practices.

High

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

Areas of Improvement

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

High

Displays images with incorrect aspect ratio

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Issues were logged in the Issues panel in Chrome Devtools

Search Engine Optimization Advices

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

High

robots.txt is not valid

Format your HTML in a way that enables crawlers to better understand your app’s content.

High

Image elements do not have [alt] attributes

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/).

High

Document uses legible font sizes

High

Tap targets are not sized appropriately

Language and Encoding

Language Detected

ZH
Language Claimed

N/A
Encoding

GB2312

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Jyacht.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 Jyacht.com main page’s claimed encoding is gb2312. 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

jyacht.com

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

Report Summary

Performance

Accessibility

Best Practices

SEO

精艇游艇网——中文游艇门户网站|游艇产业平台

Page Load Speed

First Response

Resources Loaded

Page Rendered

About Website

Key Findings

Performance Metrics

Measured Metrics

FCP (First Contentful Paint)

LCP (Largest Contentful Paint)

SI (Speed Index)

TBT (Total Blocking Time)

CLS (Cumulative Layout Shift)

TTI (Time to Interactive)

Network Requests Diagram

jyacht.com

zhcss.css

morwww.js

zhjs.js

20158923175679867.jpg

Page Optimization Overview & Recommendations

Content Size

After Optimization

HTML Optimization

Image Optimization

JavaScript Optimization

CSS Optimization

Requests Breakdown

Requests Now

After Optimization

Network Requests Diagram

jyacht.com

zhcss.css

morwww.js

zhjs.js

20158923175679867.jpg

201511241153099637.jpg

logo.jpg

logo_title.gif

input.gif

iconwx.gif

icon.gif

bg2.gif

bg3.gif

icon.png

bg4.png

201511191034961739.jpg

bg.png

20161211172082351.jpg

2015331826522565.jpg

2015111910352664909.jpg

bg5.gif

txt1.png

bg6.gif

bg2.png

bg3_2.gif

bg3.png

bg7.gif

footbg.gif

20153191015118549.gif

sunseekerjyacht.gif

txt2.png

txt3.png

201462415363211775.jpg

201581215445015270.jpg

201462415392394917.jpg

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201462415522756962.jpg

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