Report Summary

  • 33

    Performance

    Renders faster than
    53% of other websites

  • 65

    Accessibility

    Visual factors better than
    that of 31% of websites

  • 50

    Best Practices

    More advanced features
    available than in
    18% of websites

  • 90

    SEO

    Google-friendlier than
    68% of websites

jcodecraeer.com

泡网PaoNet.com - 泡在网上的日子,做纯粹的开发社区

Page Load Speed

66.4 sec in total

First Response

14.7 sec

Resources Loaded

51 sec

Page Rendered

696 ms

jcodecraeer.com screenshot

About Website

Click here to check amazing Jcodecraeer content for China. Otherwise, check out these important facts you probably never knew about jcodecraeer.com

一个有关Android开发、iOS开发的网站、各类技术开发,分享知识与技术。

Visit jcodecraeer.com

Key Findings

We analyzed Jcodecraeer.com page load time and found that the first response time was 14.7 sec and then it took 51.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 95% of websites can load faster. Unfortunately, there were 16 request timeouts, which can generally increase the web page load time, as the browser stays idle while waiting for website response.

Performance Metrics

jcodecraeer.com performance score

33

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.8 s

5/100

10%

LCP (Largest Contentful Paint)

Value11.4 s

0/100

25%

SI (Speed Index)

Value10.8 s

7/100

10%

TBT (Total Blocking Time)

Value590 ms

50/100

30%

CLS (Cumulative Layout Shift)

Value0.001

100/100

15%

TTI (Time to Interactive)

Value12.4 s

15/100

10%

Network Requests Diagram

jcodecraeer.com

14657 ms

bootstrap.min.css

11985 ms

new.css

13747 ms

jquery-1.11.2.min.js

19599 ms

myajax.js

3207 ms

Our browser made a total of 54 requests to load all elements on the main page. We found that 70% of them (38 requests) were addressed to the original Jcodecraeer.com, 9% (5 requests) were made to Pagead2.googlesyndication.com and 7% (4 requests) were made to Tpc.googlesyndication.com. The less responsive or slowest element that took the longest time to load (20.2 sec) belongs to the original domain Jcodecraeer.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 127.7 kB (33%)

Content Size

387.9 kB

After Optimization

260.2 kB

In fact, the total size of Jcodecraeer.com main page is 387.9 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. 25% of websites need less resources to load. Images take 189.3 kB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 45.5 kB

  • Original 55.7 kB
  • After minification 47.6 kB
  • After compression 10.2 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 8.2 kB, which is 15% 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 45.5 kB or 82% of the original size.

Image Optimization

-10%

Potential reduce by 19.4 kB

  • Original 189.3 kB
  • After minification 169.9 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. Jcodecraeer images are well optimized though.

JavaScript Optimization

-26%

Potential reduce by 25.0 kB

  • Original 96.4 kB
  • After minification 95.3 kB
  • After compression 71.5 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 25.0 kB or 26% of the original size.

CSS Optimization

-81%

Potential reduce by 37.7 kB

  • Original 46.4 kB
  • After minification 35.6 kB
  • After compression 8.7 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. Jcodecraeer.com needs all CSS files to be minified and compressed as it can save up to 37.7 kB or 81% of the original size.

Requests Breakdown

Number of requests can be reduced by 11 (31%)

Requests Now

35

After Optimization

24

The browser has sent 35 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Jcodecraeer. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 12 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

jcodecraeer.com accessibility score

65

Accessibility Issues

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

ARIA input fields do not have accessible names

High

Elements with an ARIA [role] that require children to contain a specific [role] are missing some or all of those required children.

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

High

Form elements do not have associated labels

High

Links do not have a discernible name

Best Practices

jcodecraeer.com best practices score

50

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

Displays images with incorrect aspect ratio

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

jcodecraeer.com SEO score

90

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 uses legible font sizes

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    ZH

  • Language Claimed

    ZH

  • Encoding

    GB2312

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Jcodecraeer.com 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 Jcodecraeer.com 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

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