androidos.net.cn

	Excellent Practice	24

	Improvement Could be Made	9

	Critical Issues to Attend	16

Sep 27, 2024 09:49 AM

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Most related categories of this website.

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Title

Android社区 - https://www.androidos.net.cn

Words count: 6 Unique Words: 6 Length: 44 characters
[ To optimize the page title, Use this SEO Title Optimizer ]

Excellent! the title contains 1-12 words, and within 10-70 characters!

The title will be displayed in search engine results in the form of a direct link to the site.

Tips:
1. ideally, the title should contain 10 to 70 characters, including spaces. (Google displays up to 70 characters in the title, and takes into account only the first 12 words.)
2. put the most important and relevant keywords in the title, try not to repeat any word.
3. each individual page should have a unique title.

Description

提供Android OS在线源代码预览

Words count: 2 Length: 37 characters
[ To optimize the page description, Use this SEO Meta Description Optimizer ]

The description is too short!

Meta Descriptions provide concise explanations of the contents of web pages, that are commonly used by search engines on search result pages to display preview snippets for a given page.

Tips:
1. it is best to keep meta descriptions between 70-160 characters.
2. a readable, compelling description using important keywords can draw a much higher click-through rate of searchers to the given web page.
3. avoid keyword stuffing, ensure each page has its own unique description.

Google SERP Preview

Android社区 - https://www.androidos.net.cn www.androidos.net.cn/
提供Android OS在线源代码预览

[ To optimize this Google SERP preview, Use this Google SERP Optimizer ]

This is how your site looks like in Google Search Result Page.

an optimized SERP snippet will have a higher click through rate.

Tips:
1. make sure the title is clear, simple, straight to the point.
2. make sure the description is relevant and properly summarized the page content.

Keywords

Android, Android OS 源代码, Android技术文档

Words count: 5 Length: 48 characters keyword phrases count : 3

The keywords is too short!
[ To optimize the meta keywords, Use this SEO Meta Keywords Optimizer ]

Keyword Occurrences in Different Sections
Word		keyword	content
1 word	:	67% (2/3)
		android	0 (0%)
		android技术文档	0 (0%)
3 words	:	33% (1/3)
		android os 源代码	0 (0%)

Meta keywords should not be ignored, though they are not a major ranking factor for most of search engines nowadays. A Meta keywords tag is supposed to be a brief and concise list of the most important themes of your page

Tips:
1. keep your list of keywords or keyword phrases down to 10 - 20 unique words or phrases.
2. separate the words or phrases using a comma (you do not need to leave a space between words separated by commas).
3. do not repeat words or phrases.
4. put your most important word or phrases at the beginning of your list.

Keywords Cloud

This keywords cloud gives your an idea of what are those important keywords appears in your website.

aar activity activitythread ams android androidmanifest androidos api apk art binder buds ceo cfo chromium dalvik galaxy google gradle https ign ios iphone java jobscheduler kernel middot music ndk openai opengl plugin service surface surfaceflinger telegram tiktok view window windowmanagerservice

Top 20 Keywords

Total Terms Count: 347

It is nice! the word density is quite ok.

Top 20 terms occurance and density
Keyword	In Body	Density
android	125	36.02%
java	17	4.90%
activity	8	2.31%
window	7	2.02%
iphone	6	1.73%
api	6	1.73%
service	5	1.44%
gradle	5	1.44%
opengl	4	1.15%
art	4	1.15%
windowmanagerservice	4	1.15%
activitythread	4	1.15%
dalvik	4	1.15%
https	4	1.15%
tiktok	3	0.86%
kernel	3	0.86%
apk	3	0.86%
binder	3	0.86%
chromium	3	0.86%
plugin	3	0.86%

keyword density can be used as a factor in determining whether a web page is relevant to a specified keyword or keyword phrase.

Tips:
1. the optimum keyword density to be 1.0% - 3.0%. Using a keyword more than that could be considered search spam.
2. overuse of keywords, a practice called keyword stuffing, will cause a web page to be penalized.

Highlight

<H1>	<H2>	<H3>	<H4>	<H5>	<H6>	<B>	<U>	<I>	<EM>	<STRONG>	Total
0	0	12	4	0	0	25	0	4	0	0	45

Excellent! The page is using HTML headings (<H1> - <H6>) and inline emphasis tags (<EM><B><I><EM><STRONG>)

<H3> (12)	最新资讯 Android系统源代码 Android资讯技术文章搜索系统源代码 Android核心服务源代码系统源代码排行榜 Android官方培训课程中文版代码片段在线电子书 Android 技术分析登录后可以享受更多权益
<H4> (4)	抖饿收购传闻「散场」，饿了么再明确新一年经营方向阿里巨变，第二季起底折扣MAMA：2500家店名存实亡，刘润被质疑说谎｜深网李佳琦：谢幕时分
<B> (25)	包管理服务（PackageManagerService） Activity管理服务（ActivityManagerService）窗体管理服务（WindowManagerService） Job Service 电池管理服务 1. 2. 3. 4. 5. 6. 7. 8. 9. 10.
<I> (4)

HTML headings and emphasis tags are the most basic forms to indicate important content.

Tips:
1. use your keywords in the headings and make sure the first level heading (<H1>) includes the most important keywords.
2. never duplicate the title tag content in the heading tags.
3. for more effective SEO, use only one <H1> tag per page

Reading Level

67.7

Excellent! the reading level score is just nice, that is within 50 - 70 !

Ensure your page content text can be read and understood by most of your site visitors. not too difficult nor too simple.

Tips:
1. a score below 30, indicates the text content is too difficult to be read and understood.
2. a sore above 80, may suggest that the site is lack of in-depth and expertise of its topics (low quality content).
3. an optimal reading level score shall be 50-70.

Language

zh-cmn-hans Excellent! the website declared its language in use.

the detected language is : en

Declare the language in use can help search engine to better understand and rendering your page, especially when special characters are encountered.

Page Encoding

utf-8 Excellent! the website declared its character encoding.

Declare the character encoding can help search engine to better rendering your page, especially when it comes to
non-asii characters.

Favicon

Excellent! the website has a shortcut favicon image.

RSS

the website does not have a RSS Feed.

Robots.txt

Robots.txt is not presented for the site.

Robots.txt file can be used to regulate access of search engine crawlers, properly configured robots.txt file can help
crawlers to better understand your website.

Tips:
1. grand robots access to those pages you wish them to crawl.
2. restrict access to those pages you do not wish search engines to see and crawl.

XML Sitemap

XML Sitemap is not presented for the site.
[ To generate XML sitemap, Use this XML Sitemap Generator ]

Sitemap helps search engine crawler to identify your website pages.

Tips:
1. ensure all your important pages are listed in the sitemap.
2. ensure to indicate the frequency of change and importance of each url.
3. inform search engines of the location/URL of your sitemap (eg, For Google, you can set the website sitemap location through Google Webmaster management panel).

Loading Time

14.10 seconds - 6.42 Kb/s

The loading speed is too slow, and it take more than 5 seconds!

Estimated loading time for different internet connections
Modem (56Kbits/s)	Mobile/HSDPAM (7.2Mbits/s)	ADSL (8Mbits/s)	Cable (30Mbits/s)	Optical Fibre (100Mbits/s)
12.93 s	0.10 s	0.09 s	0.02 s	7.24 ms

Site speed is becoming an crucial ranking factor. Slow page loading is one of the biggest complains of web users. If the loading time is too long, you may need to check your server, network, or system codes and structure.

Tips:
1. ideal loading time is less than 1 seconds, if it take more than 5 seconds to load your site, likely users will run out of patience, so do search engines.
2. improve your SEO by optimizing your website to have a small size and faster responding server.

Total Size

90 Kb (90,481 bytes)

Excellent! the page size is just nice, that is within 30K-150K!

Page size affects the speed of your website.

Tips:
1. try to keep you page size between 30K-150K
2. put javascript and style sheet in separate files, and link them to the main page.
3. use optimized images for web and set up your server with gzip for downloading

Text To Code Ratio

Total Size	Text Size	HTML Code Size	Text/HTML Code Ratio
90 Kb (90,481 bytes)	31 Kb (30,966 bytes)	60 Kb (59,515 bytes)	52.03 %

Excellent! the text to html code ratio is just nice, that is within 15%-70%!

the ratio of text to HTML code should always be above 15% for good SEO gain,
it is below 15% then that means that your website probably needs more text content.

Tips:
1. a ratio between 25% and 70% is ideal, when it goes beyond than that, the page might run the risk of being considered as spam. As long as the content is relevant and gives essential information, it is a plus point to have more of it.
2. improve your SEO by adding more relevant text to your pages and also increasing your keyword density.

Flash

Excellent! No flash component is detected on this page.

Flash content can not be properly indexed by search engines, and normally flash file is large in size, which slow down the loading of your page.

Tips:
1. avoid flash content whenever possible if you wish to have a fast and SEO friendly website.

Frame

Excellent! No frame is detected on this page.

Framesets and individual frames could cause problem for search engine to crawl your pages

Tips:
1. avoid frames whenever possible.
2. search engines do not like frames.
3. use iframe instead if you really have no choice.

Inline CSS

284 Inline CSS components are detected on this page.

It is a good practice to move inline CSS rules into an external CSS file in order to make your page lighter and increasing the text to code ratio.

Tips:
1. move inline css rules to external css file.
2. separate style from html.

Nested Table

Excellent! No nested table is detected on this page (nested table : 0, total table : 0)

nested tables could slow down page rendering and lead to bad user experience.

Tips:
1. avoiding <table> for your page layout.
2. using <div> instead of <table>.

Plain Text Email

Excellent! No Plain Text Email is detected on this page.

Redirect Count

1 redirection was detected for loading this page.

Using HTTPS

Excellent! HTTPS is used for your page.

WWW Resolve

the websites http://www.androidos.net.cn and http://androidos.net.cn DOES NOT resolved to the same url.

Search Engines treat URLs with or without "www" as two different records.

Tips:
1. edit your .htaccess file and permanently redirect one to the other (eg redirect www.mysite.com to mysite.com).

IP Canonicalization

IP address of the site http://121.196.110.39 is forwarded to http://121.196.110.39/, instead of to its domain name site androidos.net.cn.

URL Rewrite

Excellent! your urls are clean.

clean, short and relevant URLs are favoured by users and search engines

Tips:
1. use url rewrite to turn dynamic pages with query parameters into seo friendly static pages.
2. put your important keywords in the url.
3. good urls are not only user friendly but also seo friendly.

Underscore In URL

URLs with underscore
http://androidos.net.cn/android/10.0.0_r6/xref
http://androidos.net.cn/android/9.0.0_r8/xref
http://androidos.net.cn/android/8.0.0_r4/xref
http://androidos.net.cn/android/7.0.0_r31/xref
http://androidos.net.cn/android/6.0.1_r16/xref
http://androidos.net.cn/andro.../am/ActivityManagerService.java
http://androidos.net.cn/andro...android/app/ActivityThread.java
http://androidos.net.cn/andro.../am/ActivityManagerService.java
http://androidos.net.cn/andro...android/app/ActivityThread.java
https://www.androidos.net.cn/...core/java/com/android/server/pm
https://www.androidos.net.cn/...core/java/com/android/server/am
https://www.androidos.net.cn/...core/java/com/android/server/wm
https://www.androidos.net.cn/...ore/java/com/android/server/job
https://www.androidos.net.cn/...e/java/com/android/server/power
http://androidos.net.cn/andro.../am/ActivityManagerService.java
http://androidos.net.cn/andro...android/app/ActivityThread.java
http://androidos.net.cn/andro.../am/ActivityManagerService.java
http://androidos.net.cn/andro...android/app/ActivityThread.java
http://androidos.net.cn/andro...1_r16/xref/bionic/libdl/libdl.c
http://androidos.net.cn/andro...engine/binder_service_android.h
http://androidos.net.cn/andro...ks/av/include/media/MediaDefs.h
http://androidos.net.cn/andro...CtsVerifier/AndroidManifest.xml
http://androidos.net.cn/andro.../xref/cts/OldCtsTestCaseList.mk
http://androidos.net.cn/andro.../launcher3/DeferredHandler.java

You have 24 Urls with underscore.

Search Engines treat hyphen as word separator, they do not treat underscore as word separator.

Tips:
1. use hyphen "-" instead of underscore "_" to optimize your page url.
2. help search engines to better understand your url, eventually will benefit your page`s ranking.

Links

Internal Links (link to pages within this domain)	External Links (link to pages on other websites)	Total
228	4	232

Too many links (232), it may be considered as spam!

Internal Links (link to pages within this domain) - 228
URL	Anchor Text
http://androidos.net.cn/	HELLO·Android
http://androidos.net.cn/sourcecode	系统源代码
http://androidos.net.cn/news	IT资讯
http://androidos.net.cn/articles	技术文章
http://androidos.net.cn/mycode	我的收藏
http://androidos.net.cn/user/register	注册
http://androidos.net.cn/user/login	登录
http://androidos.net.cn/user/my/article/collected	我收藏的文章
http://androidos.net.cn/user/my/snippet/create	创建代码块
http://androidos.net.cn/user/my/snippet/created	我的代码块
http://androidos.net.cn/user/my/info	我的账号
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http://androidos.net.cn/doc/2024/22489366.html	frida入门使用介绍
http://androidos.net.cn/doc/2024/14745736.html	基于devfreq framework的GPU调频
http://androidos.net.cn/doc/2024/36232297.html	OpenGL 计算着色器（Compute Shader ）你...
http://androidos.net.cn/doc/2024/56824771.html	Android Clear架构最强官方指南Kotlin版
http://androidos.net.cn/doc/2024/82478399.html	Android 逆向：最近大火的 ChatGPT 客户端是如...
http://androidos.net.cn/doc/2024/83789953.html	企业微信大型Android系统重构之路
http://androidos.net.cn/doc/2024/44546954.html	OpenGL ES 如何实现图像锐化？
http://androidos.net.cn/doc/2023/88619718.html	关于 OpenGL 的渲染上下文
http://androidos.net.cn/doc/2023/27756364.html	当你需要读一个 47M 的 JSON 文件
http://androidos.net.cn/doc/2023/76517916.html	使用 MediaCodec 将图片集编码为视频
http://androidos.net.cn/doc/2023/76146513.html	Android 对 so 进行简单 hook
http://androidos.net.cn/doc/2023/44734577.html	编译优化在微信视频号的落地实践
http://androidos.net.cn/doc/2023/14132571.html	基于 Android 的文件同步设计方案
http://androidos.net.cn/doc/2023/72691137.html	深入理解 Android Window系统
http://androidos.net.cn/doc/2023/81773499.html	Android c++ core guideline che...
http://androidos.net.cn/doc/2023/54223217.html	动态修改VersionName和VersionCode
http://androidos.net.cn/doc/2023/94771791.html	Android 图形系统之 SurfaceTexture
http://androidos.net.cn/doc/2023/41334395.html	多个AAR打包成一个AAR
http://androidos.net.cn/doc/2023/6/16/172.html	OpenGL ES 实验室之 2D 篇第三弹の直播白板
http://androidos.net.cn/doc/2023/6/16/112.html	钉钉 Android 端功耗优化最佳实践
http://androidos.net.cn/doc/2023/6/4/802.html	Android包体积优化方案-动态资源管理系统
http://androidos.net.cn/doc/2023/1/5/341.html	Android 干货分享：插件化换肤原理
http://androidos.net.cn/doc/2022/12/30/833.html	Android开机全解析
http://androidos.net.cn/doc/2022/12/30/360.html	丝滑~Android自定义树状图控件！
http://androidos.net.cn/doc/2022/12/27/619.html	Android Kernel 源码环境
...

External Links (link to pages on other websites) - 4
URL	Anchor Text
https://hellokit.com.cn	哈喽工具箱 - 互联网工具小站
https://www.codingsky.com	哈喽比特 - IT资讯、技术文章编译
https://www.flutterchina.net.cn/	Flutter - 快速构建你的iOS && Android...
https://beian.miit.gov.cn	京ICP备2023019179号-2

reasonable number of links (below 100) per page will give a better user experience.

Tips:
1. keep the number of links per page below 100.
2. having more than 100 links in a single page will lead to a bad user experience, and it possibly runs into the risk of been considered as spam.
3. search engines may not follow all the links if you have too many of them in a single page.

Images

Total Images	Alt Present	Alt Missing
9	0	9

Alt values are missing for all the images (9), it will be hard for search engines to include your site for image searches!

Image URL - 9
URL	ALT Text
https://oss-cn-hangzhou.aliyu...codingsky/assets/img/androidversions/android_10.jpg
https://oss-cn-hangzhou.aliyu...ingsky/codingsky/assets/img/androidversions/pie.png
https://oss-cn-hangzhou.aliyu...ngsky/codingsky/assets/img/androidversions/oreo.jpg
https://oss-cn-hangzhou.aliyu...sky/codingsky/assets/img/androidversions/nougat.jpg
https://oss-cn-hangzhou.aliyu...odingsky/assets/img/androidversions/marshmallow.jpg
https://oss-cn-hangzhou.aliyu...m/codingsky/androidos/assets/img/android-kernel.png
https://oss-cn-hangzhou.aliyu.../codingsky/codebook/http3-explained/cover_small.jpg
https://oss-cn-hangzhou.aliyuncs.com/codingsky/codebook/git-recipes/git.png
https://oss-cn-hangzhou.aliyu.../codingsky/codebook/google-java-style/javastyle.png

search engines cannot `see` images, proper Alt content will help them to better understand and index images.

Tips:
1. always add alt attributes to images. Alt is mandatory for accessibility and for valid XHTML.
2. words used within an image`s Alt attribute should be its text equivalent and convey the same information.
3. use a human-readable caption and descriptive text around the image.

CSS

Style Block In Same Page	Links to External Style Files	Total
0	6	6

Too many (6) external style sheet files , it will slow down the downloading.

Links To External Stylesheet Files - 6
Stylesheet URL	rel	type
http://androidos.net.cn/themes/gr/css/pc.bulma.css?ver=1028	stylesheet
http://androidos.net.cn/themes/gr/css/skeleton.css?ver=1339	stylesheet
http://androidos.net.cn/themes/gr/css/index.css?ver=745	stylesheet
http://androidos.net.cn/themes/gr/css/hello-android.css?ver=1061	stylesheet
https://oss-cn-hangzhou.aliyu...hemes/gr/vendor/fontawesome/css/all.min.css?ver=267	stylesheet
https://oss-cn-hangzhou.aliyu...tyles/base16/equilibrium-gray-light.min.css?ver=267	stylesheet

Script

Scripts Block In Same Page	Links to External Script Files	Total
16	10	26

Too many (10) external scripts files , it will slow down the downlaoding.

Links To External Script Files - 10
Script URL	Type
http://androidos.net.cn/themes/gr/js/pc.bulma.js?ver=8645
https://oss-cn-hangzhou.aliyu.../themes/gr/vendor/jquery/dist/jquery.min.js?ver=267
https://oss-cn-hangzhou.aliyu.../gr/vendor/highlight(11.7)/highlight.min.js?ver=267
https://pagead2.googlesyndication.com/pagead/js/adsbygoogle.js
http://tajs.qq.com/stats?sId=66376263	text/javascript
	text/javascript
https://www.googletagmanager.com/gtag/js?id=G-HWYH8EP80R
http://androidos.net.cn/themes/gr/js/toast.js?ver=4529
http://androidos.net.cn/themes/gr/js/utils.js?ver=8642
https://oss-cn-hangzhou.aliyu...cdn1/androidos/dkinit/themes/default/js/lazyload.js

put scripts together and link them from an external files rather then put them in the same file as the main page.

Tips:
1. reduce the use of in-page scripts, put them in separate files and link them in.
2. reduce the number of external script files, it will help browser to make lesser number of http requests from the server.
3. optimize or compress the script files to have smaller size and faster loading.

Blog Or News Release

Link to Blog / News Release Page
http://androidos.net.cn/news	IT资讯

Excellent! we have found blog linked to your site.

Having a blog is a great way to provide fresh content and retain users, search engines favour it too.

Tips:
1. regularly update your blog and provide fresh and quality content.
2. relevant blogs of your website topics, generate more credits in the eyes of your visitors, as well as search engines.

DMOZ Listing

No

Your site is not listed in the DMOZ Open Directory. DMOZ Open Directory Project

Google Analytics

Analytics Service is not implemented for the site.

Google Adsense

ca-pub-9775171801648987 (1 units)

Social Media Integration

Your site is not integrated with Facebook, Twitter or Google+.

Facebook Page	Not Found
Twitter Account	Not Found
Google+ Page	Not Found

Trustworthiness

0

No Trustworthiness Score is calculated for the site.

0 - 19	20 - 39	40 - 59	60 - 79	80 - 100
0
Very Poor	Poor	Unsatisfactory	Good	Excellent

Users are concerned about the safety of their online transactions. Trustworthiness rating is based on real user ratings and that tells you how much other users trust this site, so do the serch engines. note: this trustworthiness score is provided by WOT (Web of Trust).

Tips:
1. pay attention to the look and design of your site, many people look for visual cues when assessing a site`s credibility
2. make your site easy to use, sites that are easy to navigate are perceived as being more trustworthy.
3. make it easy for user to contact you, users will be more comfortable and feel more secured shall they need to get in touch with you.

Child Safe

0 No Child Safe Score is calculated for the site.

0 - 19	20 - 39	40 - 59	60 - 79	80 - 100
0
Very Poor	Poor	Unsatisfactory	Good	Excellent

Safe Browsing

Safe! the site androidos.net.cn is NOT currently listed as suspicious, most-likely it is clean from malware and phining code [ verify this by Google Safe Browsing ]

Ensure that your site is malware free and does not cause harm to users` computers.

Tips:
1. do not put virus, malicious worms, adwares, trojans, spywares and suspicious phishing code in your server.
2. take suspicious behaviours seriously, have a regular check-up and monitor closely of your server`s log files.
3. if your site is black-listed by Google as suspicious, clean it up before requesting for a review.

Traffic Rank

335,099^th most visited website in the world.
your site has an excellent high traffic rank in the world.

Websites On Same Server

Excellent! You do have very few domains (3 - androidos.net.cn, codingsky.com, hellobit.com.cn) hosted on the same server as androidos.net.cn (ip : 121.196.110.39).

Too many domains hosted on the same server is an indicator that you are not really serious about your website, and your site will have a higher chance to be surrounded by bad neighbours.

Tips:
1. the fewer domains hosted on the same server/ip the better.
2. avoid shared hosting whenever possible, especially when there are already hundreds or thousands of sites are hosted on the same server.
3. dedicated ip or resources for your site not only do good to your site visitors but also favoured by search engines.

Server Location

your server (IP : 121.196.110.39) is located at China

ensure your server is not located far away from most of your site visitors.

HTTP Compression

No

your website server does not support HTTP Compression.

Caching

No

your website server does not support Caching.

Server Signature

Excellent! the website server signature is off.

A secure and safe server is not only good for your site visitors but also good for search engines.

Tips:
1. server software version information can be utilized by malicious visitors to attack your server.
2. by turning off the server signature, you actually have made your server a little bit more secure.
3. for Apache server - edit the apache2.conf or the .htaccess file to turn server signature off.

Domain Age

8 years, 216 days old ( 1st registered on : 2016-03-13 )

[ To check the detailed whois info, Use this Whois Lookup Tool ]

excellent, the domain age is old enough.

Domain Expires

0 years, 148 days from today ( expires on : 2025-03-13 )

[ To check the detailed whois info, Use this Whois Lookup Tool ]

domain is expiring in less than a year.

Domain Info

androidos.net.cn ( 16 characters )

Domain Registrar : China NIC

[ To check the detailed whois info, Use this Whois Lookup Tool ]

Domain Created On	Last Modified On	Expires On
2016-03-13	2016-03-13	2025-03-13
8 years, 216 days old	8 years, 216 days ago	0 years, 148 days from today

8 years, 216 days old

Domain Name Servers used by androidos.net.cn
DNS Name	IP Address
dns9.hichina.com	39.96.153.52
dns10.hichina.com	120.76.107.41

Domain is going to expire in less than a year time (0 years, 148 days from today), try to renew it for more than one year!

domain name choice and domain age are crucial for SEO.

Tips:
1. keep the domain name short and relevant to the content, which will be easier to be remembered and related to.
2. older domain tends to be more trustworthy.
3. register a domain for more than 1 year, and search engine will think it is a serious business.

androidos.net.cn

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