Report Summary

  • 24

    Performance

    Renders faster than
    43% of other websites

  • 69

    Accessibility

    Visual factors better than
    that of 35% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 69

    SEO

    Google-friendlier than
    28% of websites

jicaichu.hnu.cn

错误提示

Page Load Speed

4.7 sec in total

First Response

1.8 sec

Resources Loaded

2.8 sec

Page Rendered

73 ms

jicaichu.hnu.cn screenshot

About Website

Click here to check amazing Jicaichu Hnu content for China. Otherwise, check out these important facts you probably never knew about jicaichu.hnu.cn

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Key Findings

We analyzed Jicaichu.hnu.cn page load time and found that the first response time was 1.8 sec and then it took 2.9 sec to load all DOM resources and completely render a web page. This is a poor result, as 50% of websites can load faster.

Performance Metrics

jicaichu.hnu.cn performance score

24

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.6 s

5/100

10%

LCP (Largest Contentful Paint)

Value8.3 s

2/100

25%

SI (Speed Index)

Value10.6 s

7/100

10%

TBT (Total Blocking Time)

Value1,750 ms

10/100

30%

CLS (Cumulative Layout Shift)

Value0.011

100/100

15%

TTI (Time to Interactive)

Value8.4 s

38/100

10%

Network Requests Diagram

jicaichu.hnu.cn

1774 ms

shouyeziti.css

369 ms

image1.jpg

1064 ms

image2.jpg

1064 ms

Our browser made a total of 4 requests to load all elements on the main page. We found that all of those requests were addressed to Jicaichu.hnu.cn and no external sources were called. The less responsive or slowest element that took the longest time to load (1.8 sec) belongs to the original domain Jicaichu.hnu.cn.

Page Optimization Overview & Recommendations

Page size can be reduced by 19.8 kB (27%)

Content Size

73.0 kB

After Optimization

53.1 kB

In fact, the total size of Jicaichu.hnu.cn main page is 73.0 kB. This result falls within a vast category (top 1 000 000) of heavyweight, probably not optimized, and thus slow loading web pages. Only a small number of websites need less resources to load. Images take 71.6 kB which makes up the majority of the site volume.

HTML Optimization

-53%

Potential reduce by 726 B

  • Original 1.4 kB
  • After minification 1.2 kB
  • After compression 650 B

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 207 B, which is 15% 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 726 B or 53% of the original size.

Image Optimization

-27%

Potential reduce by 19.1 kB

  • Original 71.6 kB
  • After minification 52.5 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. Obviously, Jicaichu Hnu needs image optimization as it can save up to 19.1 kB or 27% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

Requests Breakdown

We found no issues to fix!

Requests Now

2

After Optimization

2

The browser has sent 2 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Jicaichu Hnu. According to our analytics all requests are already optimized.

Accessibility Review

jicaichu.hnu.cn accessibility score

69

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

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Some elements have a [tabindex] value greater than 0

Best Practices

jicaichu.hnu.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

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

jicaichu.hnu.cn SEO score

69

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

High

robots.txt is not valid

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

Language and Encoding

  • Language Detected

    N/A

  • Language Claimed

    N/A

  • Encoding

    GB2312

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Jicaichu.hnu.cn can be misinterpreted by Google and other search engines. Unfortunately we cannot identify language used on the page (probably there is a mix of languages, too little text or something else) and no language is claimed in <html> or <meta> tags either. Our system also found out that Jicaichu.hnu.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 Jicaichu Hnu. 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: