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name

value

score

weighting

FCP (First Contentful Paint)

Value3.4 s

37/100

10%

LCP (Largest Contentful Paint)

Value7.3 s

4/100

25%

SI (Speed Index)

Value5.5 s

55/100

10%

TBT (Total Blocking Time)

Value120 ms

97/100

30%

CLS (Cumulative Layout Shift)

Value0.005

100/100

15%

TTI (Time to Interactive)

Value11.6 s

18/100

10%

java123.net

1026 ms

www.java123.net

1381 ms

dedecms.css

712 ms

h.js

1068 ms

mytag_js.php

717 ms

Our browser made a total of 108 requests to load all elements on the main page. We found that 46% of them (50 requests) were addressed to the original Java123.net, 11% (12 requests) were made to Cpro.baidustatic.com and 10% (11 requests) were made to Pos.baidu.com. The less responsive or slowest element that took the longest time to load (3.7 sec) relates to the external source Cpro2.baidustatic.com.

Content Size

1.2 MB

After Optimization

631.4 kB

In fact, the total size of Java123.net main page is 1.2 MB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 45% of websites need less resources to load. Javascripts take 627.2 kB which makes up the majority of the site volume.

HTML Optimization

-79%

Potential reduce by 74.0 kB

Original 94.0 kB
After minification 93.0 kB
After compression 20.1 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 74.0 kB or 79% of the original size.

Image Optimization

-15%

Potential reduce by 67.2 kB

Original 454.9 kB
After minification 387.7 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, Java 123 needs image optimization as it can save up to 67.2 kB or 15% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-66%

Potential reduce by 414.9 kB

Original 627.2 kB
After minification 627.2 kB
After compression 212.4 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 414.9 kB or 66% of the original size.

CSS Optimization

-80%

Potential reduce by 43.9 kB

Original 55.2 kB
After minification 52.0 kB
After compression 11.3 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. Java123.net needs all CSS files to be minified and compressed as it can save up to 43.9 kB or 80% of the original size.

Requests Now

105

After Optimization

The browser has sent 105 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Java 123. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 26 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Issues

These are opportunities to improve the legibility of your content.

High

Background and foreground colors do not have a sufficient contrast ratio.

These are opportunities to improve the interpretation of your content by users in different locales.

High

<html> element does not have a [lang] attribute

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.

High

Image elements do not have [alt] attributes

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

High

List items (<li>) are not contained within <ul> or <ol> parent elements.

These items highlight common accessibility best practices.

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Areas of Improvement

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

High

Displays images with incorrect aspect ratio

High

Serves images with low resolution

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

Search Engine Optimization Advices

To appear in search results, crawlers need access to your app.

High

Page is blocked from indexing

Format your HTML in a way that enables crawlers to better understand your app’s content.

High

Image elements do not have [alt] attributes

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 Java123.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 Java123.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

java123.net

Open Graph description is not detected on the main page of Java 123. 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:

Report Summary

Performance

Accessibility

Best Practices

SEO

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Page Load Speed

First Response

Resources Loaded

Page Rendered

About Website

Key Findings

Performance Metrics

Measured Metrics

FCP (First Contentful Paint)

LCP (Largest Contentful Paint)

SI (Speed Index)

TBT (Total Blocking Time)

CLS (Cumulative Layout Shift)

TTI (Time to Interactive)

Network Requests Diagram

java123.net

www.java123.net

dedecms.css

h.js

mytag_js.php

Page Optimization Overview & Recommendations

Content Size

After Optimization

HTML Optimization

Image Optimization

JavaScript Optimization

CSS Optimization

Requests Breakdown

Requests Now

After Optimization

Network Requests Diagram

java123.net

www.java123.net

dedecms.css

h.js

mytag_js.php

ad_js.php

mytag_js.php

ad_js.php

ad_js.php

ad_js.php

ad_js.php

ad_js.php

ad_js.php

j.js

m.js

green_skin.png

group.png

logo.gif

s16.ico

i-1.0.0.png

1QR3H04-0-lp.png

1H6405I7-0-lp.png

15515G4I-0-lp.png

1549102923-0-lp.png

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910265031746111-lp.jpg

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icon_rss.gif

2102153260-0-lp.png

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910201031040151-lp.jpg

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394130101216311-lp.gif

vdimgck.php

250x60_A.jpg

tab_b.png