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51yd.org screenshot

Report Summary

  • 91

    Performance

    Renders faster than
    91% of other websites

  • 70

    Accessibility

    Visual factors better than
    that of 35% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 75

    SEO

    Google-friendlier than
    32% of websites

51yd.org

易读小说系统|开源小说系统|JAVA开源小说系统|免费小说系统|小说源码

Page Load Speed

5 sec in total

First Response

600 ms

Resources Loaded

4.2 sec

Page Rendered

169 ms

51yd.org screenshot

About Website

Click here to check amazing 51 Yd content for China. Otherwise, check out these important facts you probably never knew about 51yd.org

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Key Findings

We analyzed 51yd.org page load time and found that the first response time was 600 ms and then it took 4.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.

Performance Metrics

51yd.org performance score

91

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.3 s

73/100

10%

LCP (Largest Contentful Paint)

Value2.7 s

86/100

25%

SI (Speed Index)

Value4.7 s

69/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value2.3 s

99/100

10%

Network Requests Diagram

51yd.org

600 ms

www.51yd.org

470 ms

www.51yd.org

1032 ms

common.css

247 ms

jquery-1.4.min.js

582 ms

Our browser made a total of 17 requests to load all elements on the main page. We found that all of those requests were addressed to 51yd.org and no external sources were called. The less responsive or slowest element that took the longest time to load (1 sec) belongs to the original domain 51yd.org.

Page Optimization Overview & Recommendations

Page size can be reduced by 69.3 kB (55%)

Content Size

126.4 kB

After Optimization

57.1 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of 51yd.org main page is 126.4 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. HTML takes 64.1 kB which makes up the majority of the site volume.

HTML Optimization

-89%

Potential reduce by 57.2 kB

  • Original 64.1 kB
  • After minification 58.7 kB
  • After compression 6.9 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 57.2 kB or 89% of the original size.

Image Optimization

-0%

Potential reduce by 1 B

  • Original 10.6 kB
  • After minification 10.6 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. 51 Yd images are well optimized though.

JavaScript Optimization

-21%

Potential reduce by 9.7 kB

  • Original 45.3 kB
  • After minification 45.3 kB
  • After compression 35.6 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 9.7 kB or 21% of the original size.

CSS Optimization

-38%

Potential reduce by 2.4 kB

  • Original 6.4 kB
  • After minification 6.4 kB
  • After compression 4.0 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. 51yd.org needs all CSS files to be minified and compressed as it can save up to 2.4 kB or 38% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

14

After Optimization

14

  • Images
  • JavaScript
  • CSS

The browser has sent 14 CSS, Javascripts, AJAX and image requests in order to completely render the main page of 51 Yd. According to our analytics all requests are already optimized.

Network Requests Diagram

51yd.org

51yd.org

600 ms

www.51yd.org

www.51yd.org

470 ms

www.51yd.org

www.51yd.org

1032 ms

common.css

common.css

247 ms

jquery-1.4.min.js

jquery-1.4.min.js

582 ms

common.js

common.js

650 ms

dialog.js

dialog.js

737 ms

footer_bg_bg.gif

footer_bg_bg.gif

487 ms

menu_bg.gif

menu_bg.gif

544 ms

logo.gif

logo.gif

581 ms

nav_search.gif

nav_search.gif

658 ms

body_bg.jpg

body_bg.jpg

699 ms

icon.gif

icon.gif

743 ms

nav.gif

nav.gif

764 ms

title_bg.gif

title_bg.gif

789 ms

page.gif

page.gif

790 ms

footer_bg.jpg

footer_bg.jpg

877 ms

Accessibility Review

51yd.org accessibility score

70

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

51yd.org 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

51yd.org SEO score

75

Search Engine Optimization Advices

Language and Encoding

  • Language Detected

    N/A

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise 51yd.org 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 51yd.org 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

51yd.org

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