Tools & Wizards About Us

Report Summary

  • 56

    Performance

    Renders faster than
    72% of other websites

  • 48

    Accessibility

    Visual factors better than
    that of 20% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 58

    SEO

    Google-friendlier than
    21% of websites

shlst.com.cn

上海力声特医学科技有限公司-国产耳蜗_人工耳蜗_神经性耳聋_耳蜗

Page Load Speed

17.7 sec in total

First Response

869 ms

Resources Loaded

16.7 sec

Page Rendered

210 ms

About Website

Welcome to shlst.com.cn homepage info - get ready to check Shlst best content right away, or after learning these important things about shlst.com.cn

上海力声特医学科技有限公司隶属于国务院国资委监管的中央企业——新兴际华集团。公司是集“产、学、研”于一体，致力于人工耳蜗等高端医疗器械产业化的创新型高科技企业，开发出国内首台拥有完全自主知识产权的人工耳蜗，造福了众多听障人士。

Visit shlst.com.cn

Key Findings

We analyzed Shlst.com.cn page load time and found that the first response time was 869 ms and then it took 16.9 sec to load all DOM resources and completely render a web page. This is a poor result, as 95% of websites can load faster.

Performance Metrics

shlst.com.cn performance score

56

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.6 s

62/100

10%

LCP (Largest Contentful Paint)

Value13.8 s

0/100

25%

SI (Speed Index)

Value10.7 s

7/100

10%

TBT (Total Blocking Time)

Value40 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.011

100/100

15%

TTI (Time to Interactive)

Value8.2 s

41/100

10%

Network Requests Diagram

shlst.com.cn

869 ms

public.css

386 ms

style.css

388 ms

jquery.js

1184 ms

lrscroll.js

393 ms

Our browser made a total of 64 requests to load all elements on the main page. We found that 78% of them (50 requests) were addressed to the original Shlst.com.cn, 8% (5 requests) were made to Bdimg.share.baidu.com and 5% (3 requests) were made to Mdkhk1.kefuzixun.cn. The less responsive or slowest element that took the longest time to load (14.8 sec) belongs to the original domain Shlst.com.cn.

Page Optimization Overview & Recommendations

Page size can be reduced by 194.3 kB (7%)

Content Size

2.6 MB

After Optimization

2.4 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Shlst.com.cn main page is 2.6 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. 35% of websites need less resources to load. Images take 2.4 MB which makes up the majority of the site volume.

HTML Optimization

-77%

Potential reduce by 21.9 kB

  • Original 28.5 kB
  • After minification 21.9 kB
  • After compression 6.6 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 6.6 kB, which is 23% 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 21.9 kB or 77% of the original size.

Image Optimization

-4%

Potential reduce by 89.5 kB

  • Original 2.4 MB
  • After minification 2.3 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. Shlst images are well optimized though.

JavaScript Optimization

-38%

Potential reduce by 79.0 kB

  • Original 208.6 kB
  • After minification 208.6 kB
  • After compression 129.7 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 79.0 kB or 38% of the original size.

CSS Optimization

-31%

Potential reduce by 4.0 kB

  • Original 13.2 kB
  • After minification 13.2 kB
  • After compression 9.1 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. Shlst.com.cn needs all CSS files to be minified and compressed as it can save up to 4.0 kB or 31% of the original size.

Requests Breakdown

Number of requests can be reduced by 14 (23%)

Requests Now

61

After Optimization

47

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 61 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Shlst. 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 from 4 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

shlst.com.cn accessibility score

48

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.

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

<dl>'s do not contain only properly-ordered <dt> and <dd> groups, <script>, <template> or <div> elements.

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

Form elements do not have associated labels

High

Links do not have a discernible name

Best Practices

shlst.com.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

shlst.com.cn 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

    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 Shlst.com.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 Shlst.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

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