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junsai.com.cn screenshot

Report Summary

  • 39

    Performance

    Renders faster than
    58% of other websites

  • 58

    Accessibility

    Visual factors better than
    that of 25% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 83

    SEO

    Google-friendlier than
    46% of websites

junsai.com.cn

高周波-高频机-高频机械-吸塑机研发定制-上海骏精赛自动化机械有限公司

Page Load Speed

12.6 sec in total

First Response

916 ms

Resources Loaded

11.3 sec

Page Rendered

457 ms

junsai.com.cn screenshot

About Website

Click here to check amazing Junsai content. Otherwise, check out these important facts you probably never knew about junsai.com.cn

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Visit junsai.com.cn

Key Findings

We analyzed Junsai.com.cn page load time and found that the first response time was 916 ms and then it took 11.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.

Performance Metrics

junsai.com.cn performance score

39

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.2 s

99/100

10%

LCP (Largest Contentful Paint)

Value11.9 s

0/100

25%

SI (Speed Index)

Value7.5 s

27/100

10%

TBT (Total Blocking Time)

Value600 ms

50/100

30%

CLS (Cumulative Layout Shift)

Value0.262

47/100

15%

TTI (Time to Interactive)

Value7.9 s

43/100

10%

Network Requests Diagram

junsai.com.cn

916 ms

style.css

432 ms

jcarousel.css

439 ms

responsive.css

437 ms

jquery1.42.min.js

968 ms

Our browser made a total of 58 requests to load all elements on the main page. We found that all of those requests were addressed to Junsai.com.cn and no external sources were called. The less responsive or slowest element that took the longest time to load (9.7 sec) belongs to the original domain Junsai.com.cn.

Page Optimization Overview & Recommendations

Page size can be reduced by 226.8 kB (10%)

Content Size

2.4 MB

After Optimization

2.1 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Junsai.com.cn main page is 2.4 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 2.2 MB which makes up the majority of the site volume.

HTML Optimization

-75%

Potential reduce by 25.0 kB

  • Original 33.1 kB
  • After minification 28.4 kB
  • After compression 8.2 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 4.7 kB, which is 14% 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 25.0 kB or 75% of the original size.

Image Optimization

-8%

Potential reduce by 183.7 kB

  • Original 2.2 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. Junsai images are well optimized though.

JavaScript Optimization

-14%

Potential reduce by 14.2 kB

  • Original 98.1 kB
  • After minification 98.0 kB
  • After compression 83.9 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 14.2 kB or 14% of the original size.

CSS Optimization

-15%

Potential reduce by 3.8 kB

  • Original 25.6 kB
  • After minification 25.6 kB
  • After compression 21.8 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. Junsai.com.cn needs all CSS files to be minified and compressed as it can save up to 3.8 kB or 15% of the original size.

Requests Breakdown

Number of requests can be reduced by 23 (41%)

Requests Now

56

After Optimization

33

  • Images
  • JavaScript
  • CSS

The browser has sent 56 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Junsai. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 14 to 1 for JavaScripts and from 11 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

junsai.com.cn

junsai.com.cn

916 ms

style.css

style.css

432 ms

jcarousel.css

jcarousel.css

439 ms

responsive.css

responsive.css

437 ms

jquery1.42.min.js

jquery1.42.min.js

968 ms

jquery.SuperSlide.2.1.2.js

jquery.SuperSlide.2.1.2.js

441 ms

logo.png

logo.png

978 ms

sea.js

sea.js

441 ms

seajs.config.js

seajs.config.js

438 ms

normalize.css

normalize.css

223 ms

base.css

base.css

232 ms

font.css

font.css

436 ms

pad.css

pad.css

432 ms

mobile.css

mobile.css

435 ms

d197fcf177409e8450d35eae76131781.jpg

d197fcf177409e8450d35eae76131781.jpg

9673 ms

1cee193be49c3c4c0082f75c9bd08a8a.jpg

1cee193be49c3c4c0082f75c9bd08a8a.jpg

5840 ms

d283ee7d51339e5bc78c4616b996bd1b.jpg

d283ee7d51339e5bc78c4616b996bd1b.jpg

5405 ms

4fb30124f03fc43d26f5c0a79b6038cd.jpg

4fb30124f03fc43d26f5c0a79b6038cd.jpg

3455 ms

timthumb.php

timthumb.php

335 ms

timthumb.php

timthumb.php

335 ms

timthumb.php

timthumb.php

459 ms

timthumb.php

timthumb.php

466 ms

timthumb.php

timthumb.php

685 ms

timthumb.php

timthumb.php

694 ms

homepic1.png

homepic1.png

2147 ms

homepic2.png

homepic2.png

2877 ms

homepic3.png

homepic3.png

2367 ms

homepic4.jpg

homepic4.jpg

4892 ms

homepic5.jpg

homepic5.jpg

7489 ms

timthumb.php

timthumb.php

3686 ms

timthumb.php

timthumb.php

3919 ms

timthumb.php

timthumb.php

4144 ms

timthumb.php

timthumb.php

4377 ms

timthumb.php

timthumb.php

4608 ms

timthumb.php

timthumb.php

4836 ms

about.jpg

about.jpg

5927 ms

footpic1.png

footpic1.png

5109 ms

1f8d7130420a012eb799fda8738bc141.jpg

1f8d7130420a012eb799fda8738bc141.jpg

6547 ms

footpic2.png

footpic2.png

5830 ms

arrow.png

arrow.png

5950 ms

iconfont.woff

iconfont.woff

5954 ms

tg_flash_p.png

tg_flash_p.png

6004 ms

01.jpg

01.jpg

6123 ms

style.css

style.css

6129 ms

advtange_bg.png

advtange_bg.png

6220 ms

case_bg.jpg

case_bg.jpg

6552 ms

index.js

index.js

6156 ms

jquery-1.11.0.min.js

jquery-1.11.0.min.js

439 ms

base.js

base.js

222 ms

baguetteBox.css

baguetteBox.css

275 ms

responsive.js

responsive.js

223 ms

device.min.js

device.min.js

221 ms

jquery.lazyload.min.js

jquery.lazyload.min.js

219 ms

marketing.js

marketing.js

225 ms

jcarousel.js

jcarousel.js

225 ms

superslide.js

superslide.js

434 ms

wow.min.js

wow.min.js

440 ms

marketing.css

marketing.css

223 ms

Accessibility Review

junsai.com.cn accessibility score

58

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

Image elements do not have [alt] attributes

High

Links do not have a discernible name

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

junsai.com.cn best practices score

67

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

SEO Factors

junsai.com.cn SEO score

83

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

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

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Junsai.com.cn 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 Junsai.com.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

junsai.com.cn

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