Tools & Wizards About Us
51lunwen.org screenshot

Report Summary

  • 67

    Performance

    Renders faster than
    79% of other websites

  • 51

    Accessibility

    Visual factors better than
    that of 21% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    20% of websites

  • 62

    SEO

    Google-friendlier than
    23% of websites

51lunwen.org

顶尖英语论文网-全球最专业的英语论文、留学生论文和英文作业的服务专家

Page Load Speed

6.6 sec in total

First Response

736 ms

Resources Loaded

5.6 sec

Page Rendered

221 ms

51lunwen.org screenshot

About Website

Visit 51lunwen.org now to see the best up-to-date 51 Lunwen content for China and also check out these interesting facts you probably never knew about 51lunwen.org

提供英美各国留学生论文、英语论文格式范文,12年专业论文和essay写作服务经验,50多名英语硕士毕业论文写作专家,详情请联系QQ：949925041

Visit 51lunwen.org

Key Findings

We analyzed 51lunwen.org page load time and found that the first response time was 736 ms and then it took 5.9 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

51lunwen.org performance score

67

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.2 s

42/100

10%

LCP (Largest Contentful Paint)

Value4.7 s

32/100

25%

SI (Speed Index)

Value8.1 s

21/100

10%

TBT (Total Blocking Time)

Value60 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.085

93/100

15%

TTI (Time to Interactive)

Value3.7 s

90/100

10%

Network Requests Diagram

51lunwen.org

736 ms

www.51lunwen.org

1440 ms

golbal.css

216 ms

style.css

433 ms

def_st.css

643 ms

Our browser made a total of 60 requests to load all elements on the main page. We found that 97% of them (58 requests) were addressed to the original 51lunwen.org, 3% (2 requests) were made to Hm.baidu.com. The less responsive or slowest element that took the longest time to load (1.8 sec) belongs to the original domain 51lunwen.org.

Page Optimization Overview & Recommendations

Page size can be reduced by 274.4 kB (46%)

Content Size

592.9 kB

After Optimization

318.5 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of 51lunwen.org main page is 592.9 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 419.8 kB which makes up the majority of the site volume.

HTML Optimization

-74%

Potential reduce by 45.2 kB

  • Original 61.0 kB
  • After minification 57.5 kB
  • After compression 15.8 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 45.2 kB or 74% of the original size.

Image Optimization

-40%

Potential reduce by 166.8 kB

  • Original 419.8 kB
  • After minification 253.0 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. Obviously, 51 Lunwen needs image optimization as it can save up to 166.8 kB or 40% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-58%

Potential reduce by 58.7 kB

  • Original 102.0 kB
  • After minification 102.0 kB
  • After compression 43.3 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 58.7 kB or 58% of the original size.

CSS Optimization

-37%

Potential reduce by 3.8 kB

  • Original 10.1 kB
  • After minification 10.1 kB
  • After compression 6.4 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. 51lunwen.org needs all CSS files to be minified and compressed as it can save up to 3.8 kB or 37% of the original size.

Requests Breakdown

Number of requests can be reduced by 28 (48%)

Requests Now

58

After Optimization

30

  • Images
  • JavaScript
  • CSS

The browser has sent 58 CSS, Javascripts, AJAX and image requests in order to completely render the main page of 51 Lunwen. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 5 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

51lunwen.org

51lunwen.org

736 ms

www.51lunwen.org

www.51lunwen.org

1440 ms

golbal.css

golbal.css

216 ms

style.css

style.css

433 ms

def_st.css

def_st.css

643 ms

share.css

share.css

857 ms

jquery.js

jquery.js

1330 ms

fun.js

fun.js

876 ms

hidden.js

hidden.js

892 ms

fav.js

fav.js

907 ms

logo.png

logo.png

211 ms

navBg.jpg

navBg.jpg

214 ms

navSect.jpg

navSect.jpg

227 ms

nya.jpg

nya.jpg

437 ms

img05.jpg

img05.jpg

679 ms

x2.jpg

x2.jpg

645 ms

def_gg2.gif

def_gg2.gif

421 ms

yg.png

yg.png

427 ms

adly.png

adly.png

453 ms

mg.png

mg.png

630 ms

jnd.png

jnd.png

636 ms

xxl.png

xxl.png

655 ms

xjp.png

xjp.png

678 ms

xg.png

xg.png

852 ms

rb.png

rb.png

848 ms

hg.png

hg.png

861 ms

fg.png

fg.png

872 ms

dg.png

dg.png

903 ms

ael.png

ael.png

903 ms

rs.png

rs.png

1061 ms

hl.png

hl.png

1071 ms

els.png

els.png

1079 ms

xby.png

xby.png

1090 ms

mlxy.png

mlxy.png

1128 ms

nf.png

nf.png

1129 ms

orgQQ.gif

orgQQ.gif

1276 ms

kf_top.gif

kf_top.gif

1295 ms

qq.png

qq.png

1296 ms

newyear.jpg

newyear.jpg

1308 ms

gzdyh.png

gzdyh.png

1577 ms

kf_foot.gif

kf_foot.gif

1356 ms

kfzx1.png

kfzx1.png

1487 ms

kfzx.png

kfzx.png

1751 ms

h3bg.jpg

h3bg.jpg

1487 ms

conh3.jpg

conh3.jpg

1502 ms

hico.jpg

hico.jpg

1559 ms

hm.js

hm.js

944 ms

li11.JPG

li11.JPG

1494 ms

li12.JPG

li12.JPG

1520 ms

li13.JPG

li13.JPG

1533 ms

li14.JPG

li14.JPG

1387 ms

li15.JPG

li15.JPG

1399 ms

li1.JPG

li1.JPG

1480 ms

11wel1.jpg

11wel1.jpg

1499 ms

gotag.png

gotag.png

1334 ms

inLH3.jpg

inLH3.jpg

1345 ms

catH3.jpg

catH3.jpg

1391 ms

hezuo.jpg

hezuo.jpg

1408 ms

bj.jpg

bj.jpg

1451 ms

hm.gif

hm.gif

310 ms

Accessibility Review

51lunwen.org accessibility score

51

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

High

Links do not have a discernible name

Best Practices

51lunwen.org best practices score

58

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

SEO Factors

51lunwen.org SEO score

62

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

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 51lunwen.org 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 51lunwen.org 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

51lunwen.org

Open Graph description is not detected on the main page of 51 Lunwen. 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: