Report Summary

  • 35

    Performance

    Renders faster than
    55% of other websites

  • 78

    Accessibility

    Visual factors better than
    that of 46% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 83

    SEO

    Google-friendlier than
    46% of websites

mingvision.cn

茗视光_茗视光眼科_北京茗视光眼科_北京近视手术医院_茗视光,茗视光眼科,北京茗视光眼科,北京茗视光眼科医院,近视手术,近视眼手术,近视眼激光手术

Page Load Speed

43.2 sec in total

First Response

14.1 sec

Resources Loaded

28.6 sec

Page Rendered

500 ms

mingvision.cn screenshot

About Website

Visit mingvision.cn now to see the best up-to-date Mingvision content and also check out these interesting facts you probably never knew about mingvision.cn

北京茗视光眼科是中国近视手术专业品牌,自2011年成立以来,始终如一专注于近视专业医疗领域,将视光与眼科紧密结合,为不同年龄、不同需求的近视人群提供全方位、个性化近视解决方案.咨询电话:4008600525.

Visit mingvision.cn

Key Findings

We analyzed Mingvision.cn page load time and found that the first response time was 14.1 sec and then it took 29.1 sec to load all DOM resources and completely render a web page. This is an excellent result, as only a small number of websites can load faster.

Performance Metrics

mingvision.cn performance score

35

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.8 s

28/100

10%

LCP (Largest Contentful Paint)

Value6.1 s

12/100

25%

SI (Speed Index)

Value10.7 s

7/100

10%

TBT (Total Blocking Time)

Value340 ms

75/100

30%

CLS (Cumulative Layout Shift)

Value1.262

1/100

15%

TTI (Time to Interactive)

Value6.2 s

62/100

10%

Network Requests Diagram

mingvision.cn

14098 ms

main.css

5392 ms

style.css

1186 ms

script.js

822 ms

jquery1.js

3683 ms

Our browser made a total of 82 requests to load all elements on the main page. We found that 67% of them (55 requests) were addressed to the original Mingvision.cn, 17% (14 requests) were made to H.qiao.baidu.com and 5% (4 requests) were made to Lxbjs.baidu.com. The less responsive or slowest element that took the longest time to load (14.1 sec) belongs to the original domain Mingvision.cn.

Page Optimization Overview & Recommendations

Page size can be reduced by 417.2 kB (38%)

Content Size

1.1 MB

After Optimization

668.9 kB

In fact, the total size of Mingvision.cn main page is 1.1 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. 30% of websites need less resources to load. Images take 545.2 kB which makes up the majority of the site volume.

HTML Optimization

-78%

Potential reduce by 20.7 kB

  • Original 26.6 kB
  • After minification 24.6 kB
  • After compression 5.9 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 20.7 kB or 78% of the original size.

Image Optimization

-5%

Potential reduce by 26.6 kB

  • Original 545.2 kB
  • After minification 518.6 kB

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. Mingvision images are well optimized though.

JavaScript Optimization

-66%

Potential reduce by 242.6 kB

  • Original 366.6 kB
  • After minification 354.3 kB
  • After compression 124.0 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 242.6 kB or 66% of the original size.

CSS Optimization

-86%

Potential reduce by 127.3 kB

  • Original 147.8 kB
  • After minification 117.1 kB
  • After compression 20.5 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. Mingvision.cn needs all CSS files to be minified and compressed as it can save up to 127.3 kB or 86% of the original size.

Requests Breakdown

Number of requests can be reduced by 30 (40%)

Requests Now

75

After Optimization

45

The browser has sent 75 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Mingvision. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 21 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

mingvision.cn accessibility score

78

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.

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

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

mingvision.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

mingvision.cn SEO score

83

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

Crawling and Indexing

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

Impact

Issue

High

Links are not crawlable

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

Language and Encoding

  • Language Detected

    ZH

  • Language Claimed

    N/A

  • Encoding

    GB2312

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Mingvision.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 Mingvision.cn main page’s claimed encoding is gb2312. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

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