Tools & Wizards About Us

Report Summary

  • 24

    Performance

    Renders faster than
    43% of other websites

  • 76

    Accessibility

    Visual factors better than
    that of 42% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 92

    SEO

    Google-friendlier than
    74% of websites

android-study.com

Android学习网

Page Load Speed

9.7 sec in total

First Response

630 ms

Resources Loaded

8.8 sec

Page Rendered

233 ms

About Website

Click here to check amazing Android Study content for China. Otherwise, check out these important facts you probably never knew about android-study.com

Android学习网是为学习Android的人提供的一个平台,包含新闻咨询,基础知识,平台开发,界面设计,多媒体技术,网络编程,游戏开发,源代码,视频教程,资料下载,在线文档.

Visit android-study.com

Key Findings

We analyzed Android-study.com page load time and found that the first response time was 630 ms and then it took 9.1 sec to load all DOM resources and completely render a web page. This is a poor result, as 85% of websites can load faster.

Performance Metrics

android-study.com performance score

24

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.5 s

6/100

10%

LCP (Largest Contentful Paint)

Value5.5 s

19/100

25%

SI (Speed Index)

Value14.1 s

1/100

10%

TBT (Total Blocking Time)

Value2,000 ms

8/100

30%

CLS (Cumulative Layout Shift)

Value0.012

100/100

15%

TTI (Time to Interactive)

Value14.5 s

9/100

10%

Network Requests Diagram

android-study.com

630 ms

www.android-study.com

3193 ms

bootstrap.min.css

260 ms

fontawesome.min.css

484 ms

style.css

626 ms

Our browser made a total of 62 requests to load all elements on the main page. We found that 24% of them (15 requests) were addressed to the original Android-study.com, 18% (11 requests) were made to Pagead2.googlesyndication.com and 15% (9 requests) were made to Tpc.googlesyndication.com. The less responsive or slowest element that took the longest time to load (3.2 sec) belongs to the original domain Android-study.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 152.0 kB (16%)

Content Size

966.9 kB

After Optimization

815.0 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Android-study.com main page is 966.9 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. 40% of websites need less resources to load. Javascripts take 626.9 kB which makes up the majority of the site volume.

HTML Optimization

-75%

Potential reduce by 59.4 kB

  • Original 79.1 kB
  • After minification 74.8 kB
  • After compression 19.7 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 59.4 kB or 75% of the original size.

Image Optimization

-27%

Potential reduce by 53.2 kB

  • Original 200.2 kB
  • After minification 147.0 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, Android Study needs image optimization as it can save up to 53.2 kB or 27% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-5%

Potential reduce by 28.5 kB

  • Original 626.9 kB
  • After minification 626.8 kB
  • After compression 598.4 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. This website has mostly compressed JavaScripts.

CSS Optimization

-18%

Potential reduce by 10.9 kB

  • Original 60.7 kB
  • After minification 60.7 kB
  • After compression 49.8 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. Android-study.com needs all CSS files to be minified and compressed as it can save up to 10.9 kB or 18% of the original size.

Requests Breakdown

Number of requests can be reduced by 43 (78%)

Requests Now

55

After Optimization

12

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 55 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Android Study. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 25 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

android-study.com accessibility score

76

Accessibility Issues

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

Buttons do not have an accessible name

High

Links do not have a discernible name

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.

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

android-study.com best practices score

75

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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

android-study.com SEO score

92

Search Engine Optimization Advices

Crawling and Indexing

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

Impact

Issue

High

Links are not crawlable

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

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 Android-study.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 Android-study.com 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 description is not detected on the main page of Android Study. 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: