open-open.com Domain Owner Whois and Analysis

DOMAIN OWNER WHOIS

ⓘ The owner has chosen to keep his whois contact information private.

• Domain Registrar

Xin Net Technology Corporation
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SEO SCORE

open-open.com
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✅ 9 criteria passed
❌ 2 criteria to solve

PERFORMANCE OPPORTUNITIES

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OVERVIEW

• Domain Owner

Private

• Category

Technology & Computing

• Online since

March 24, 2005 Explore Wayback Machine

• Age

19 years, 1 month, 1 day

• Alexa Rank

#17.393, open-open.com is in the world's top 20.000 websites!

FREE FORM BUILDER

Use our free online form builder to create any type of form for open-open.com.

Beauty and simplicity.

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TECHNICAL SEO & SECURITY

❌ SSL Certificate

This website is not SSL secured (HTTPS), the certificate issued by Let's Encrypt has expired on February 5, 2020.

✅ Title Tag

开源项目,开源代码,开源文档,开源新闻,开源社区_深度开源
Length: 77 (recommended: 10 to 70)

✅ Meta Description

深度开源是一个分享开源项目/代码、交流开源项目/代码的平台
Length: 83 (recommended: 50 to 160)

ⓘ Google preview

Desktop Version

开源项目,开源代码,开源文档,开源新闻,开源社区_深度开源

https://open-open.com

深度开源是一个分享开源项目/代码、交流开源项目/代码的平台

Mobile Version

https://open-open.com

开源项目,开源代码,开源文档,开源新闻,开源社区_深度开源

深度开源是一个分享开源项目/代码、交流开源项目/代码的平台

✅ Encoding

Great, language/character encoding is specified: utf-8

✅ URL Resolve

Great, a redirect is in place to redirect traffic from your non-preferred domain. All versions of your page point to the same URL.

URL	Resolved URL
http://open-open.com	https://www.open-open.com/
https://open-open.com	https://www.open-open.com/
http://www.open-open.com	https://www.open-open.com/
https://www.open-open.com	https://www.open-open.com/

✅ Robots.txt

https://www.open-open.com/robots.txt

✅ URL Parameters

Great, the domain URLs look clean.

Attribute	Value
ⓘ viewport	width=device-width, initial-scale=1
ⓘ author	open-open.com

SEMANTIC ANALYSIS

ⓘ The owner has associated the following topics to the website.

WEBSITE SPEED

✅ open-open.com website speed is normal. Page speed is important for visitors and search engines.

Get insights to improve your page loading time.

Page Loading Time

4.4s

This domain loads at the median speed of 4.4 seconds.

Speed Percentile

10%

open-open.com is faster than approximately 10 percent of the web. Your website page speed needs to be as fast as you can make it, without compromising the customer experience.

A good goal to achieve is a loading time of 2 seconds on desktop and mobile devices.

PAGESPEED INSIGHTS

Page on which speed is tested live:

Chrome User Experience Report Results

Lighthouse Results

TRAFFIC

ⓘ This website is ranked #17.393 by Alexa.

This rank is traffic based. The lower the rank is, the better the domain is ranked.

Daily visitors by country

China (96.6%)
Others (5%)

Traffic country ranks

Country	Rank
China	#1.292
India	#115.938
Viet Nam	#26.048

LAYOUT

ⓘ Doctype HTML5

ⓘ Responsive website, mobile-friendly.

Mobile Rendering

This website seems to be optimized for Mobile Visitors.

Phone
How open-open.com looks like on a mobile device such as an iPhone.

Tablet
How open-open.com looks like on a tablet such as an iPad.

Main colors used

ⓘ These are the main HTML color codes used by this website.

36% #ffffff
28% #f0f0f0
11% #f0f0ff
5% #d0e0f0
4% #f0ffff
2% #2040b0
2% #fffff0
1% #3040a0
1% #ffd040
1% #f0d040
1% #a0b0d0
1% #f0fff0

Text/code ratio

ⓘ open-open.com's text/code ratio is 15.88%. It's a bit low. Consider raising it by adding more text content of value for your visitors, or keeping your code clean.

Text / Code Ratio 15.88%

A good text to HTML ratio is anywhere from 25 to 70%.

This percentage refers to the visible text ratio, as opposed to HTML elements, image tags and other non-visible information.

Main HTML tags

✅ Headings

Great, we found headings on this page.

<H1> 0
<H2> 21
<H3> 13
<H4> 5
<H5> 3
<H6> 0

However, you have not defined a top level heading, or <H1>. It is used to define the most important heading.

We recommend using one top level heading to set up a semantic relationship between that heading and the remainder of the content on a page. It clearly describes to the readers and the search engines what it is about.

<H2>

For a better readability, only the first 20 <H2> tags are shown below.

2^nd level heading
区块链创企ripple完成2亿美元c轮融资，称未来一年客户增长将超30%
Android 开源项目 (aosp) 代码搜索工具正式发布
484个php函数必备品
Java经典面试题大全-带答案
杨光福整理_2014_最新_经典_android面试题带答案
Fibonacci（斐波那契）数列的java解法
Jquery fullcalendar 官方文档翻译
Android weekly #360 安卓开发周刊中文版
Android weekly #359 安卓开发周刊中文版
Android weekly #358 安卓开发周刊中文版
Android weekly #357 安卓开发周刊中文版
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Android weekly # 350 安卓开发周刊中文版
Android weekly #349安卓开发周刊中文版
Android weekly #348安卓开发周刊中文版

<H3>

3^rd level heading
历史搜索
热门搜索
用户动态
软件开发
服务器软件
数据库相关
操作系统
开发工具
企业应用
最新文档
开源问答
代码块
博客

<H4>

4^th level heading
业内资讯
ıt文库
推荐文档
经验文章
友情链接

<H5>

5^th level heading
社区
帮助中心
关于我们

❌ Alt attributes

We found 39 images on this website.
36 ALT attributes are missing on your image tags. The issue affects 18 actual different images that could be loaded more than once in your page.

Image	Image URL	Occurrences
	https://static.open-open.com/img/avatar/privary/default.png	8
	https://simg.open-open.com/show/c3cca4c7d2aa019ad3ff17f652e67a86.jpg	2
	https://simg.open-open.com/show/b385bfab82335ca61e4bcb44051637f0.jpg	2
	https://simg.open-open.com/show/2385395359ebbe6e27f3b6b18fa494f2.jpg	2
	https://simg.open-open.com/show/3a55a23a659c55aa07fbc3fd786876a9.jpg	1
	https://simg.open-open.com/show/e857fda8fb06dce92b83619631acbb02.jpg	2
	https://simg.open-open.com/show/bfe439fd971041449ace3e1ce270c413.jpg	3
	https://simg.open-open.com/show/ab44c826edd77b37da1b244ecdd56ac8.jpg	1
	https://simg.open-open.com/show/6b51175bdf1cb593866313c6c5e043b7.jpg	1
	https://simg.open-open.com/show/8fd87fd077c49bac37a53bb3a4c08565.jpg	1
	https://simg.open-open.com/show/8aa5ff663a06543a35bcdb84b24bdb42.jpg	1
	https://simg.open-open.com/show/0a4c691bc276789e025e3ae5dee75722.jpg	2
	https://simg.open-open.com/show/c8a0b39d606d7f24c0972f7e67b4da3c.jpg	1
	https://simg.open-open.com/show/6b76663449061dee21ba5fe4e3e09c58.jpg	1
	https://simg.open-open.com/show/0bf643e407927fd9e957a974f2ad4162.jpg	1
	https://simg.open-open.com/show/447c3d8b11d24674ebb3cdac11652bea.jpg	1
	https://static.open-open.com/img/wdfm.png	5
	https://static.open-open.com/img/beian.png	1

Alternative text allows you to add a description to an image.

Google rely on alternative text attributes to determine relevance to a search query. Alternative text also makes an image more likely to appear in a Google image search.

It looks like you're missing alternative text for 36 images on open-open.com. Check your website to make sure it's specified for each image on the page.

LINKS

ⓘ There is a total of 245 links on the homepage of this website.

ⓘ Internal links : 183

For a better readability, only the first 50 internal links are shown below.

Anchor	Type	URL
No anchor	empty	../
首页	text	/
项目	text	/project/
经验	text	/lib/
代码	text	/code/
文库	text	/wenku/
问答	text	/solution/
博客	text	/blog/
资讯	text	/news/
更多	text	/news/
区块链创企Ripple完成2亿美元C轮融资，称未来一年客户增长将超30%	text	/news/view/5287840610678259698
Android 开源项目 (AOSP) 代码搜索工具正式发布	text	/news/view/5287837159486147870
中国人脸识别市场年均复合增长率超50% 预计2021年将达530亿元	text	/news/view/5283500114226107893
云计算标准化成绩亮眼：我国主导云服务计量计费国际标准即将发布	text	/news/view/5283499861917421351
斯坦福大学发布 2019 人工智能指数报告	text	/news/view/5283499319352088680
阿里也发布了在线文档，和石墨、腾讯文档相比怎么样？	text	/news/view/5283497836076694567
Waymo收购人工智能公司Latent Logic 希望加强模拟技术	text	/news/view/5283497216823378619
宝马开源其使用的 AI 算法	text	/news/view/5283496880988773285
全新架构？Intel新品现身：二级缓存容量创纪录	text	/news/view/5283488853318216339
英特尔斥资20亿美元收购以色列AI芯片初创公司	text	/news/view/5283484205916418244
医学统计学之r实现	text	/pdf/9110e538603944acb7a4ce5e4717ba1c.html
Windows Azure Pack 的安装与应用	text	/pdf/1ec957954b7741d798b6c9299b754c6a.html
oracle傻瓜手册v2	text	/doc/71ad757decf34be6902aa6613b65a28a.html
百问freeswitch（第三版）	text	/pdf/7f084911540c4722b81fe9944d3d78b2.html
软件开发文档范例	text	/doc/1dbbad8375224e0f8b49b2997ed683b9.html
Moodle 的二次开发与设计	text	/pdf/6b2b1af686564dc99408dc37d395326f.html
线的缓冲区边界的生成	text	/doc/eda1cb15abfe4ce9816ca2b1b46710bb.html
KafKa入门与实践	text	/pdf/b787ac05585644ed8150a72d6ba48428.html
华为虚拟化平台安全技术白皮书	text	/pdf/c332aae47acb425aab03978e174f06bd.html
spring实战第4版	text	/pdf/6962af7892b544a9ab40b88dd6f1a701.html
计算机网络课程设计文档	text	/doc/2982378e0064416a8a3e10765470ad8c.html
软件《信号与系统》郭宝龙课件(完整版)	text	/pdf/ec3f9c35632a4c4791accbd31c9f8e48.html
Cryptography in C and C++	text	/pdf/cfedcc89759f43eeab0630a7795c1095.html
Oracle 数据库日常维护方案书	text	/doc/b64d583951ff4c40aea0f6e46b146525.html
统一数据交换平台-总体框架设计方案初稿-v1.3	text	/doc/02a7621a39c344a683e1d0455f18774c.html
实现ExtJS Grid多表头的合并	text	/doc/5add62a794664987afea98fdd721e854.html
Think Java How to Think Like a Computer Scientist	text	/pdf/ba6caca7ba514548a76d440deb2af994.html
Python for Informatics (中文版)	text	/pdf/fed2921af7ac4d68a9677d611dda0d3c.html
信息管理专业Python教程	text	/pdf/e6b34a868c154775acc401982250be3e.html
细细品味c#（socket编程）	text	/pdf/364d083e4691419397bb6374f8436799.html
Django搭建简易博客教程	text	/pdf/fe03ccbe3663476a88b98c2036608d3f.html
更多	text	/wenku/
软件开发	text	/wenku/ruanjiankaifa/
Web框架	text	/wenku/ruanjiankaifa/?tags=细类:web框架
设计模式	text	/wenku/ruanjiankaifa/?tags=细类:设计模式
搜索引擎	text	/wenku/ruanjiankaifa/?tags=细类:搜索引擎
机器学ä¹	text	/wenku/ruanjiankaifa/?tags=细类:机器学习
安全相关框架	text	/wenku/ruanjiankaifa/?tags=细类:安全相关框架
网络爬虫	text	/wenku/ruanjiankaifa/?tags=细类:网络爬虫
游戏开发	text	/wenku/ruanjiankaifa/?tags=细类:游戏开发

ⓘ External links : 62

For a better readability, only the first 50 external links are shown below.

Anchor	Type	URL
	image	https://user.open-open.com/u/574697
李瑜敏	text	https://user.open-open.com/u/574697
	image	https://user.open-open.com/u/506495
五嘎子	text	https://user.open-open.com/u/506495
	image	https://user.open-open.com/u/574693
tanzhongw123	text	https://user.open-open.com/u/574693
	image	https://user.open-open.com/u/574690
败类	text	https://user.open-open.com/u/574690
	image	https://user.open-open.com/u/56946
virtuala	text	https://user.open-open.com/u/56946
	image	https://user.open-open.com/u/574682
格拉摩根伯爵	text	https://user.open-open.com/u/574682
	image	https://user.open-open.com/u/574683
晴耕雨读1	text	https://user.open-open.com/u/574683
	image	https://user.open-open.com/u/574670
李炎鹏Angie	text	https://user.open-open.com/u/574670
	image	https://user.open-open.com/u/574671
陳{Simon}	text	https://user.open-open.com/u/574671
	image	https://user.open-open.com/u/574676
咖啡很苦	text	https://user.open-open.com/u/574676
	image	https://user.open-open.com/u/574662
19976734074	text	https://user.open-open.com/u/574662
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vvvvv	text	https://user.open-open.com/u/574668
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hjjjj	text	https://user.open-open.com/u/574664
	image	https://user.open-open.com/u/573478
曾令智	text	https://user.open-open.com/u/573478
	image	https://user.open-open.com/u/574638
η Aries	text	https://user.open-open.com/u/574638
	image	https://user.open-open.com/u/574646
Accept	text	https://user.open-open.com/u/574646
	image	https://user.open-open.com/u/574642
杞子.	text	https://user.open-open.com/u/574642
	image	https://user.open-open.com/u/574640
琑琑a	text	https://user.open-open.com/u/574640
	image	https://user.open-open.com/u/528373
夏美文	text	https://user.open-open.com/u/528373
	image	https://user.open-open.com/u/574637
肖镇龙	text	https://user.open-open.com/u/574637
陈蓥	text	https://user.open-open.com/u/567961
合作QQ:875388611	text	https://wpa.qq.com/msgrd?v=3&uin=875388611&site=qq&menu=yes
H5小游戏	text	http://m.xiaoshuomi.cc
休闲小游戏	text	http://www.xiaoshuomi.cc
香当网	text	https://www.xiangdang.net
nginx中文网	text	http://www.nginx.cn
ITeye	text	https://www.iteye.com
红联linux	text	http://www.linuxdiyf.com

DOMAIN REGISTRAR

ⓘ Domain Registrar	XIN NET TECHNOLOGY CORPORATION
ⓘ Registration Date	03/24/2005 19 years, 1 month, 1 day ago
ⓘ Last Modified	11/01/2019 4 years, 5 months, 25 days ago
ⓘ Expiration Date	03/24/2024 Expired