Tools & Wizards About Us
5730.net screenshot

Report Summary

  • 79

    Performance

    Renders faster than
    85% of other websites

  • 63

    Accessibility

    Visual factors better than
    that of 28% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 77

    SEO

    Google-friendlier than
    36% of websites

5730.net

5730图书馆_5730网_学术论文知网文献下载cnki文献检索网站|提供PubMed和Embase数据库

Page Load Speed

2.9 sec in total

First Response

38 ms

Resources Loaded

2.8 sec

Page Rendered

81 ms

5730.net screenshot

About Website

Welcome to 5730.net homepage info - get ready to check 5730 best content for Japan right away, or after learning these important things about 5730.net

5730图书馆专业服务于学术和科研，提供中文数据库、外文数据库、PubMed和Embase数据库，以及好使、管用的文献检索工具。

Visit 5730.net

Key Findings

We analyzed 5730.net page load time and found that the first response time was 38 ms and then it took 2.9 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.

Performance Metrics

5730.net performance score

79

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.6 s

33/100

10%

LCP (Largest Contentful Paint)

Value3.7 s

58/100

25%

SI (Speed Index)

Value4.3 s

75/100

10%

TBT (Total Blocking Time)

Value30 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value3.7 s

90/100

10%

Network Requests Diagram

5730.net

38 ms

www.sh315.com

644 ms

index2.css

197 ms

menutree_2.css

384 ms

jquery.js

995 ms

Our browser made a total of 19 requests to load all elements on the main page. We found that 5% of them (1 request) were addressed to the original 5730.net, 95% (18 requests) were made to Sh315.com. The less responsive or slowest element that took the longest time to load (995 ms) relates to the external source Sh315.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 66.2 kB (47%)

Content Size

140.4 kB

After Optimization

74.2 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of 5730.net main page is 140.4 kB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 15% of websites need less resources to load. Javascripts take 93.0 kB which makes up the majority of the site volume.

HTML Optimization

-73%

Potential reduce by 12.0 kB

  • Original 16.4 kB
  • After minification 15.7 kB
  • After compression 4.4 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 12.0 kB or 73% of the original size.

Image Optimization

-6%

Potential reduce by 1.5 kB

  • Original 27.5 kB
  • After minification 26.0 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. 5730 images are well optimized though.

JavaScript Optimization

-55%

Potential reduce by 51.6 kB

  • Original 93.0 kB
  • After minification 92.8 kB
  • After compression 41.5 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 51.6 kB or 55% of the original size.

CSS Optimization

-31%

Potential reduce by 1.1 kB

  • Original 3.6 kB
  • After minification 3.6 kB
  • After compression 2.4 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. 5730.net needs all CSS files to be minified and compressed as it can save up to 1.1 kB or 31% of the original size.

Requests Breakdown

Number of requests can be reduced by 7 (41%)

Requests Now

17

After Optimization

10

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 17 CSS, Javascripts, AJAX and image requests in order to completely render the main page of 5730. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests and as a result speed up the page load time.

Network Requests Diagram

5730.net

5730.net

38 ms

www.sh315.com

www.sh315.com

644 ms

index2.css

index2.css

197 ms

menutree_2.css

menutree_2.css

384 ms

jquery.js

jquery.js

995 ms

util_2.js

util_2.js

391 ms

banner.png

banner.png

391 ms

c_img.png

c_img.png

204 ms

loginjs.php

loginjs.php

199 ms

211 ms

zyjs.gif

zyjs.gif

192 ms

dzfw.gif

dzfw.gif

207 ms

zxybz.gif

zxybz.gif

360 ms

gytsg.gif

gytsg.gif

380 ms

mylib.gif

mylib.gif

382 ms

sy.gif

sy.gif

392 ms

linklist.gif

linklist.gif

401 ms

zxt2.gif

zxt2.gif

414 ms

weibo2.gif

weibo2.gif

554 ms

Accessibility Review

5730.net accessibility score

63

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.

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

Form elements do not have associated labels

High

Links do not have a discernible name

Best Practices

5730.net 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

SEO Factors

5730.net SEO score

77

Search Engine Optimization Advices

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 5730.net 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 5730.net 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

5730.net

Open Graph description is not detected on the main page of 5730. 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: