Tools & Wizards About Us
shanghai-inst.com screenshot

Report Summary

  • 39

    Performance

    Renders faster than
    58% of other websites

  • 56

    Accessibility

    Visual factors better than
    that of 24% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    20% of websites

  • 54

    SEO

    Google-friendlier than
    19% of websites

shanghai-inst.com

上海进申工贸有限公司

Page Load Speed

9.6 sec in total

First Response

560 ms

Resources Loaded

8.6 sec

Page Rendered

452 ms

shanghai-inst.com screenshot

About Website

Welcome to shanghai-inst.com homepage info - get ready to check Shanghai Inst best content right away, or after learning these important things about shanghai-inst.com

上海进申工贸有限公司

Visit shanghai-inst.com

Key Findings

We analyzed Shanghai-inst.com page load time and found that the first response time was 560 ms and then it took 9 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

shanghai-inst.com performance score

39

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.0 s

24/100

10%

LCP (Largest Contentful Paint)

Value24.8 s

0/100

25%

SI (Speed Index)

Value24.0 s

0/100

10%

TBT (Total Blocking Time)

Value360 ms

72/100

30%

CLS (Cumulative Layout Shift)

Value0.053

98/100

15%

TTI (Time to Interactive)

Value28.3 s

0/100

10%

Network Requests Diagram

shanghai-inst.com

560 ms

swiper.min.css

375 ms

style.css

566 ms

swiper.min.css

392 ms

jquery-1.8.3.min.js

798 ms

Our browser made a total of 101 requests to load all elements on the main page. We found that 26% of them (26 requests) were addressed to the original Shanghai-inst.com, 49% (49 requests) were made to Shanghai-inst.w07.shpd.net and 16% (16 requests) were made to Api.map.baidu.com. The less responsive or slowest element that took the longest time to load (3.8 sec) relates to the external source Shanghai-inst.w07.shpd.net.

Page Optimization Overview & Recommendations

Page size can be reduced by 819.7 kB (10%)

Content Size

8.3 MB

After Optimization

7.5 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Shanghai-inst.com main page is 8.3 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. 70% of websites need less resources to load. Images take 7.6 MB which makes up the majority of the site volume.

HTML Optimization

-86%

Potential reduce by 49.1 kB

  • Original 56.8 kB
  • After minification 52.2 kB
  • After compression 7.8 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 49.1 kB or 86% of the original size.

Image Optimization

-5%

Potential reduce by 353.2 kB

  • Original 7.6 MB
  • After minification 7.2 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. Shanghai Inst images are well optimized though.

JavaScript Optimization

-53%

Potential reduce by 324.6 kB

  • Original 613.7 kB
  • After minification 613.7 kB
  • After compression 289.1 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 324.6 kB or 53% of the original size.

CSS Optimization

-90%

Potential reduce by 92.9 kB

  • Original 103.5 kB
  • After minification 79.1 kB
  • After compression 10.6 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. Shanghai-inst.com needs all CSS files to be minified and compressed as it can save up to 92.9 kB or 90% of the original size.

Requests Breakdown

Number of requests can be reduced by 20 (21%)

Requests Now

96

After Optimization

76

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 96 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Shanghai Inst. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 10 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

shanghai-inst.com

shanghai-inst.com

560 ms

swiper.min.css

swiper.min.css

375 ms

style.css

style.css

566 ms

swiper.min.css

swiper.min.css

392 ms

jquery-1.8.3.min.js

jquery-1.8.3.min.js

798 ms

jquery-3.3.1.js

jquery-3.3.1.js

1439 ms

swiper.jquery.min.js

swiper.jquery.min.js

827 ms

common.css

common.css

567 ms

jdc-side-panel.css

jdc-side-panel.css

589 ms

googlegg.js

googlegg.js

754 ms

animate.css

animate.css

942 ms

wow.min.js

wow.min.js

787 ms

404.html

404.html

1035 ms

404.html

404.html

681 ms

hm.js

hm.js

1486 ms

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1037 ms

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2664 ms

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1860 ms

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2926 ms

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2794 ms

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3556 ms

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3586 ms

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3100 ms

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3483 ms

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3010 ms

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3808 ms

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188 ms

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210 ms

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197 ms

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191 ms

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209 ms

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202 ms

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376 ms

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379 ms

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368 ms

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337 ms

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youshi_134.png

352 ms

jdcfont.woff

jdcfont.woff

295 ms

index.php

index.php

2889 ms

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2806 ms

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2668 ms

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2569 ms

hm.gif

hm.gif

310 ms

b.js

b.js

1593 ms

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2536 ms

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2545 ms

affim.js

affim.js

2196 ms

api

api

702 ms

getscript

getscript

709 ms

bmap.css

bmap.css

445 ms

bg.png

bg.png

233 ms

939 ms

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937 ms

736 ms

1178 ms

blank.gif

blank.gif

225 ms

openhand.cur

openhand.cur

449 ms

mapctrls.gif

mapctrls.gif

454 ms

copyright_logo.png

copyright_logo.png

457 ms

1178 ms

getmodules

getmodules

692 ms

blank.gif

blank.gif

417 ms

blank.gif

blank.gif

235 ms

us_mk_icon.png

us_mk_icon.png

227 ms

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227 ms

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234 ms

iw3.png

iw3.png

233 ms

iw_close.gif

iw_close.gif

249 ms

iw_plus.gif

iw_plus.gif

237 ms

Accessibility Review

shanghai-inst.com accessibility score

56

Accessibility Issues

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

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

shanghai-inst.com best practices score

58

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

Displays images with incorrect aspect ratio

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

shanghai-inst.com SEO score

54

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

Links do not have descriptive text

High

Image elements do not have [alt] attributes

Crawling and Indexing

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

Impact

Issue

High

Links are not crawlable

Language and Encoding

  • Language Detected

    ZH

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Shanghai-inst.com can be misinterpreted by Google and other search engines. Our service has detected that Chinese is used on the page, and it does not match the claimed English language. Our system also found out that Shanghai-inst.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

shanghai-inst.com

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