Report Summary

  • 72

    Performance

    Renders faster than
    82% of other websites

  • 68

    Accessibility

    Visual factors better than
    that of 33% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 58

    SEO

    Google-friendlier than
    20% of websites

mcg.ustc.edu.cn

中国科学技术大学分子细胞遗传学实验室

Page Load Speed

24 sec in total

First Response

1.8 sec

Resources Loaded

21.8 sec

Page Rendered

435 ms

mcg.ustc.edu.cn screenshot

About Website

Welcome to mcg.ustc.edu.cn homepage info - get ready to check Mcg Ustc best content for China right away, or after learning these important things about mcg.ustc.edu.cn

Visit mcg.ustc.edu.cn

Key Findings

We analyzed Mcg.ustc.edu.cn page load time and found that the first response time was 1.8 sec and then it took 22.3 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. Unfortunately, there was 1 request timeout, which can generally increase the web page load time, as the browser stays idle while waiting for website response.

Performance Metrics

mcg.ustc.edu.cn performance score

72

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.5 s

96/100

10%

LCP (Largest Contentful Paint)

Value10.8 s

0/100

25%

SI (Speed Index)

Value4.2 s

77/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value1.5 s

100/100

10%

Network Requests Diagram

mcg.ustc.edu.cn

1761 ms

home_back.jpg

572 ms

1.jpg

7256 ms

pic.jpg

19809 ms

1.gif

20083 ms

Our browser made a total of 5 requests to load all elements on the main page. We found that all of those requests were addressed to Mcg.ustc.edu.cn and no external sources were called. The less responsive or slowest element that took the longest time to load (20.1 sec) belongs to the original domain Mcg.ustc.edu.cn.

Page Optimization Overview & Recommendations

Page size can be reduced by 6.0 kB (7%)

Content Size

82.3 kB

After Optimization

76.3 kB

In fact, the total size of Mcg.ustc.edu.cn main page is 82.3 kB. This result falls within a vast category (top 1 000 000) of heavyweight, probably not optimized, and thus slow loading web pages. Only 5% of websites need less resources to load. Images take 76.0 kB which makes up the majority of the site volume.

HTML Optimization

-67%

Potential reduce by 4.2 kB

  • Original 6.3 kB
  • After minification 5.8 kB
  • After compression 2.1 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 4.2 kB or 67% of the original size.

Image Optimization

-2%

Potential reduce by 1.8 kB

  • Original 76.0 kB
  • After minification 74.2 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. Mcg Ustc images are well optimized though.

Requests Breakdown

We found no issues to fix!

Requests Now

3

After Optimization

3

The browser has sent 3 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Mcg Ustc. According to our analytics all requests are already optimized.

Accessibility Review

mcg.ustc.edu.cn accessibility score

68

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

Best Practices

mcg.ustc.edu.cn best practices score

67

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

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

SEO Factors

mcg.ustc.edu.cn SEO score

58

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

Image elements do not have [alt] attributes

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 Mcg.ustc.edu.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 Mcg.ustc.edu.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 Mcg Ustc. 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: