Report Summary

  • 62

    Performance

    Renders faster than
    76% of other websites

  • 59

    Accessibility

    Visual factors better than
    that of 26% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 85

    SEO

    Google-friendlier than
    55% of websites

paperfree.cn

PaperFree官网-论文查重_论文检测_免费论文查重检测系统_论文降重

Page Load Speed

7 sec in total

First Response

684 ms

Resources Loaded

6.1 sec

Page Rendered

207 ms

paperfree.cn screenshot

About Website

Click here to check amazing Paper Free content for China. Otherwise, check out these important facts you probably never knew about paperfree.cn

PaperFree中英文及多语种论文查重系统,提供免费论文查重、论文降重、论文排版、论文纠错一站式论文服务。安全保障送检论文不收录不泄露,PaperFree查重服务用户已经达到千万级。

Visit paperfree.cn

Key Findings

We analyzed Paperfree.cn page load time and found that the first response time was 684 ms and then it took 6.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 80% of websites can load faster.

Performance Metrics

paperfree.cn performance score

62

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.7 s

91/100

10%

LCP (Largest Contentful Paint)

Value4.4 s

40/100

25%

SI (Speed Index)

Value7.1 s

31/100

10%

TBT (Total Blocking Time)

Value10 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value1.255

1/100

15%

TTI (Time to Interactive)

Value2.8 s

97/100

10%

Network Requests Diagram

paperfree.cn

684 ms

www.paperfree.cn

1150 ms

index.min.css

224 ms

index_extend.css

447 ms

label_sm_90030.png

1165 ms

Our browser made a total of 41 requests to load all elements on the main page. We found that 90% of them (37 requests) were addressed to the original Paperfree.cn, 5% (2 requests) were made to Hm.baidu.com and 2% (1 request) were made to Aqyzmedia.yunaq.com. The less responsive or slowest element that took the longest time to load (3.8 sec) belongs to the original domain Paperfree.cn.

Page Optimization Overview & Recommendations

Page size can be reduced by 43.0 kB (8%)

Content Size

526.7 kB

After Optimization

483.8 kB

In fact, the total size of Paperfree.cn main page is 526.7 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. 30% of websites need less resources to load. Images take 494.3 kB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 22.3 kB

  • Original 27.8 kB
  • After minification 18.4 kB
  • After compression 5.5 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 9.4 kB, which is 34% 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 22.3 kB or 80% of the original size.

Image Optimization

-4%

Potential reduce by 20.3 kB

  • Original 494.3 kB
  • After minification 474.0 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. Paper Free images are well optimized though.

CSS Optimization

-9%

Potential reduce by 399 B

  • Original 4.6 kB
  • After minification 4.5 kB
  • After compression 4.2 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. Paperfree.cn has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 3 (8%)

Requests Now

39

After Optimization

36

The browser has sent 39 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Paper Free. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 4 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

paperfree.cn accessibility score

59

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.

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.

Best Practices

paperfree.cn best practices score

83

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

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

paperfree.cn SEO score

85

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

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 doesn't use legible font sizes

Language and Encoding

  • Language Detected

    ZH

  • Language Claimed

    ZH

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Paperfree.cn can be misinterpreted by Google and other search engines. Our service has detected that Chinese is used on the page, and it matches the claimed language. Our system also found out that Paperfree.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 data is detected on the main page of Paper Free. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: