Access auction.artxun.com. 博宝艺术家网-艺术家一站式服务平台！艺术家官网+艺术展览+艺术电子画册

name

value

score

weighting

FCP (First Contentful Paint)

Value2.9 s

54/100

10%

LCP (Largest Contentful Paint)

Value5.2 s

23/100

25%

SI (Speed Index)

Value6.7 s

36/100

10%

TBT (Total Blocking Time)

Value120 ms

97/100

30%

CLS (Cumulative Layout Shift)

Value0.687

8/100

15%

TTI (Time to Interactive)

Value4.7 s

80/100

10%

auction.artxun.com

1354 ms

jquery.pack.js

1252 ms

jQuery.blockUI.js

744 ms

jquery.SuperSlide.js

784 ms

core.js

756 ms

Our browser made a total of 121 requests to load all elements on the main page. We found that 30% of them (36 requests) were addressed to the original Auction.artxun.com, 18% (22 requests) were made to Img1.artxun.com and 18% (22 requests) were made to Pos.baidu.com. The less responsive or slowest element that took the longest time to load (4.8 sec) relates to the external source Js.users.51.la.

Content Size

1.5 MB

After Optimization

1.1 MB

In fact, the total size of Auction.artxun.com main page is 1.5 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 1.1 MB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 77.0 kB

Original 94.0 kB
After minification 86.8 kB
After compression 17.0 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 77.0 kB or 82% of the original size.

Image Optimization

-15%

Potential reduce by 168.9 kB

Original 1.1 MB
After minification 953.7 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, Auction Artxun needs image optimization as it can save up to 168.9 kB or 15% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-62%

Potential reduce by 166.4 kB

Original 266.9 kB
After minification 253.0 kB
After compression 100.6 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 166.4 kB or 62% of the original size.

CSS Optimization

-84%

Potential reduce by 35.3 kB

Original 42.2 kB
After minification 33.4 kB
After compression 6.9 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. Auction.artxun.com needs all CSS files to be minified and compressed as it can save up to 35.3 kB or 84% of the original size.

Requests Now

119

After Optimization

The browser has sent 119 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Auction Artxun. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 34 to 1 for JavaScripts and from 4 to 1 for CSS 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 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 are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

High

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

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

High

Serves images with low resolution

High

Registers an unload listener

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

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

Links are not crawlable

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

UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Auction.artxun.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 Auction.artxun.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

auction.artxun.com

Open Graph description is not detected on the main page of Auction Artxun. 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

博宝艺术家网-艺术家一站式服务平台！艺术家官网+艺术展览+艺术电子画册

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

auction.artxun.com

jquery.pack.js

jQuery.blockUI.js

jquery.SuperSlide.js

core.js

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

auction.artxun.com

jquery.pack.js

jQuery.blockUI.js

jquery.SuperSlide.js

core.js

demo.css

mdate.css

default.css

bobao.css

m.js

3634832.js

pxga.js

id=nHnYrH6zPj61&gp=401&time=nHnvP1fdrH6knf.jpg

210.jpg

1337057187279.jpg

1250317622940_pub_ad_1261_340_260.jpg

stat.gif

1338955152359.jpg

1343708453768.jpg

1354787633177.jpg

1357613352229.jpg

1362112395022.jpg

logo.jpg

nav_line.jpg

nav_bg.jpg

new.gif

search.jpg

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