Report Summary

  • 19

    Performance

    Renders faster than
    37% of other websites

  • 50

    Accessibility

    Visual factors better than
    that of 20% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 90

    SEO

    Google-friendlier than
    69% of websites

sj33.cn

设计之家 - 传播先进设计理念 推动原创设计发展

Page Load Speed

50.1 sec in total

First Response

6.3 sec

Resources Loaded

43.4 sec

Page Rendered

415 ms

sj33.cn screenshot

About Website

Visit sj33.cn now to see the best up-to-date Sj 33 content for China and also check out these interesting facts you probably never knew about sj33.cn

设计之家,致力于推广最新的设计理念,关注最新的设计动态,涵盖平面设计,包装设计,网页设计,室内设计,工业设计,插画设计,艺术设计,设计大赛等领域.

Visit sj33.cn

Key Findings

We analyzed Sj33.cn page load time and found that the first response time was 6.3 sec and then it took 43.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 95% of websites can load faster. Unfortunately, there were 14 request timeouts, which can generally increase the web page load time, as the browser stays idle while waiting for website response.

Performance Metrics

sj33.cn performance score

19

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.9 s

4/100

10%

LCP (Largest Contentful Paint)

Value10.9 s

0/100

25%

SI (Speed Index)

Value10.5 s

7/100

10%

TBT (Total Blocking Time)

Value1,310 ms

18/100

30%

CLS (Cumulative Layout Shift)

Value0.144

78/100

15%

TTI (Time to Interactive)

Value19.0 s

3/100

10%

Network Requests Diagram

sj33.cn

6294 ms

www.sj33.cn

3204 ms

style.css

11146 ms

css.css

1063 ms

jiaodian.js

4053 ms

Our browser made a total of 110 requests to load all elements on the main page. We found that 21% of them (23 requests) were addressed to the original Sj33.cn, 18% (20 requests) were made to Img.sj33.cn and 8% (9 requests) were made to Pos.baidu.com. The less responsive or slowest element that took the longest time to load (20.3 sec) relates to the external source Img.sj33.cn.

Page Optimization Overview & Recommendations

Page size can be reduced by 654.4 kB (27%)

Content Size

2.5 MB

After Optimization

1.8 MB

In fact, the total size of Sj33.cn main page is 2.5 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. 50% of websites need less resources to load. Images take 1.6 MB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 70.0 kB

  • Original 84.0 kB
  • After minification 78.5 kB
  • After compression 13.9 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 70.0 kB or 83% of the original size.

Image Optimization

-3%

Potential reduce by 43.6 kB

  • Original 1.6 MB
  • After minification 1.6 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. Sj 33 images are well optimized though.

JavaScript Optimization

-64%

Potential reduce by 355.1 kB

  • Original 551.5 kB
  • After minification 544.1 kB
  • After compression 196.4 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 355.1 kB or 64% of the original size.

CSS Optimization

-84%

Potential reduce by 185.6 kB

  • Original 220.7 kB
  • After minification 215.5 kB
  • After compression 35.0 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. Sj33.cn needs all CSS files to be minified and compressed as it can save up to 185.6 kB or 84% of the original size.

Requests Breakdown

Number of requests can be reduced by 39 (42%)

Requests Now

92

After Optimization

53

The browser has sent 92 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Sj 33. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 29 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

sj33.cn accessibility score

50

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

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

High

<frame> or <iframe> elements do not have a title

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

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

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>).

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

sj33.cn 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

sj33.cn SEO score

90

Search Engine Optimization Advices

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

    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 Sj33.cn 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 Sj33.cn 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 Sj 33. 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: