Tools & Wizards About Us

Report Summary

  • 47

    Performance

    Renders faster than
    65% of other websites

  • 66

    Accessibility

    Visual factors better than
    that of 31% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 58

    SEO

    Google-friendlier than
    21% of websites

swfc-shanghai.com

Shanghai World Financial Center -SWFC- | Official site of Shanghai Financial Center

Page Load Speed

8 sec in total

First Response

768 ms

Resources Loaded

7.1 sec

Page Rendered

147 ms

About Website

Click here to check amazing SWFC Shanghai content. Otherwise, check out these important facts you probably never knew about swfc-shanghai.com

Official site of Shanghai World Financial Center. You can get information about Shanghai World Financial Center. Latest events, media center, forums,observatory,shops,restrauants, and etc.

Visit swfc-shanghai.com

Key Findings

We analyzed Swfc-shanghai.com page load time and found that the first response time was 768 ms and then it took 7.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 85% of websites can load faster.

Performance Metrics

swfc-shanghai.com performance score

47

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.5 s

15/100

10%

LCP (Largest Contentful Paint)

Value12.2 s

0/100

25%

SI (Speed Index)

Value13.5 s

2/100

10%

TBT (Total Blocking Time)

Value80 ms

99/100

30%

CLS (Cumulative Layout Shift)

Value0.044

99/100

15%

TTI (Time to Interactive)

Value13.4 s

11/100

10%

Network Requests Diagram

swfc-shanghai.com

768 ms

common.css

1460 ms

jt_overlay-apple.css

402 ms

en.css

593 ms

jquery.min.js

1381 ms

Our browser made a total of 64 requests to load all elements on the main page. We found that 91% of them (58 requests) were addressed to the original Swfc-shanghai.com, 5% (3 requests) were made to Googletagmanager.com and 5% (3 requests) were made to Hm.baidu.com. The less responsive or slowest element that took the longest time to load (4.6 sec) belongs to the original domain Swfc-shanghai.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 295.9 kB (13%)

Content Size

2.3 MB

After Optimization

2.0 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Swfc-shanghai.com main page is 2.3 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. 40% of websites need less resources to load. Images take 2.0 MB which makes up the majority of the site volume.

HTML Optimization

-76%

Potential reduce by 13.8 kB

  • Original 18.0 kB
  • After minification 12.5 kB
  • After compression 4.3 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 5.6 kB, which is 31% 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 13.8 kB or 76% of the original size.

Image Optimization

-3%

Potential reduce by 54.5 kB

  • Original 2.0 MB
  • After minification 2.0 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. SWFC Shanghai images are well optimized though.

JavaScript Optimization

-67%

Potential reduce by 112.8 kB

  • Original 167.4 kB
  • After minification 158.9 kB
  • After compression 54.5 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 112.8 kB or 67% of the original size.

CSS Optimization

-87%

Potential reduce by 114.8 kB

  • Original 131.4 kB
  • After minification 101.7 kB
  • After compression 16.7 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. Swfc-shanghai.com needs all CSS files to be minified and compressed as it can save up to 114.8 kB or 87% of the original size.

Requests Breakdown

Number of requests can be reduced by 24 (39%)

Requests Now

61

After Optimization

37

  • Images
  • JavaScript
  • CSS

The browser has sent 61 CSS, Javascripts, AJAX and image requests in order to completely render the main page of SWFC Shanghai. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 12 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

swfc-shanghai.com accessibility score

66

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

Best Practices

swfc-shanghai.com 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

swfc-shanghai.com SEO score

58

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

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

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Swfc-shanghai.com 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 Swfc-shanghai.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

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