gitbook.net | Free Online SEO Audit for gitbook.net

Tasks

Select one version of your site as main and make a redirect from other versions to that one.
Avoid using deprecated HTML tags.
Use "H" tags.

SEO

URL

Domain : www.gitbook.net/

Character length : 16

Title

极客书-最实用的编程在线教程集合

Description

极客书专注于编程技术在线教程！

Keywords (meta keywords)

最全面的编程在线教程合集,在线编程在线教程

Error! Using “meta keywords” is meaningless in a while.

Open Graph Protocol

Error! The website does not use the OG (Open Graph) protocol.

Dublin Core

Dublin Core is not used

Underscores in the URLs

Error! Hyphen (-) is a better solution than underscore (_) in the URLs

http://www.gitbook.net/jasper_reports/index.html ("JasperReports在线教程")
http://www.gitbook.net/javamail_api/index.html ("JavaMail在线教程")
http://www.gitbook.net/struts_2/index.html ("Struts2在线教程")
http://www.gitbook.net/mvc_framework/index.html ("MVC框架在线教程")
http://www.gitbook.net/c_standard_library/index.html ("C语言标准库")
http://www.gitbook.net/objective_c/index.html ("Objective-C在线教程")
http://www.gitbook.net/d_programming/index.html ("D语言在线教程")
http://www.gitbook.net/sql_server/index.html ("SQL Server在线教程")
http://www.gitbook.net/unix_system_calls/index.html ("Unix/Linux系统调用")
http://www.gitbook.net/unix_commands/index.html ("Linux/Unix命令")
Expand

Search engine friendly URLs

Good! The website uses SEO friendly URLs.

Checking the robots.txt file

The robots.txt file is missing!

Social

Social Engagement

No info found.

Content

Doctype

HTML 5

Encoding

Perfect! The character encoding is set: UTF-8.

Language

Error! No language localization is found.

Title

极客书-最实用的编程在线教程集合

Character length : 16

Good! The title’s length is between 10 and 70 characters.

Text / HTML ratio

Ratio : 16%

Acceptable! The text / code ratio is between 15 and 25 percent.

Headings

H1	H2	H3	H4	H5	H6
0	0	0	0	0	0

No "H" tags found

Heading structure in the source code

Word cloud

java4
ruby2

Keyword matrix

word	title	descriptions	heading
java
ruby

404 Page

The website has a 404 error page.

Flash content

Good! The website does not have any flash contents.

Frame

Good! The website does not use iFrame solutions.

Images

We found 2 images on this web page.

Alternate attributes for the following 1 images are missing. Search engines use "alt" tags to understand image content efficiently. We strongly recommend fixing this issue.

static.v2.0/images/linkmail.png

Technologies

Deprecated HTML elements

Good! No deprecated HTML tags are detected.

Redirection (www / not www)

Error! The web address is accessible with and without www!

Deprecated HTML elements

Good! No deprecated HTML tags are detected.

Printability

Suggestion! Unfortunately, no printer-friendly CSS found.

Meta Tag (viewport tag, mobile devices)

Error! The meta tag named viewport is missing.

Speed test

Server response time

The server response time is fast enough.

Table layout

Good! No nested tables found.

Render blocking resources

Good! No render blocking elements found!

Speed test – Javascript

Javascript

Good! Just a few javascript files are detected on the website.

File size of all javascript files combined

0.00

Javascript minifying

Great! The Javascript files are minified.

Speed test – CSS

CSS

Good! Just a few CSS files are used on this website.

File size of all css files combined

0.00

CSS minifying

Great! The CSS elements are minified.

Speed test – Compression

Uncompressed size of the of the HTML

0.00

Gzip compression

Your site uses compression.

Speed test – Browser cache

Browser cache

The browser cache is set correctly for all elements.

Speed test – Images

File size of all images combined

0.00

Image optimisation

All images are optimized.

Links

We found a total of 112 different links.
Internal links: 111
External links: 1

External links:

Link text (anchor)	Link strength
京ICP备15058027号-1

Internal links:

Link text (anchor)	Link strength
http://www.gitbook.net/index.html
Java
Python
Ruby
MySQL
MongoDB
Spark
selenium
Java技术
Java语言在线教程
EJB在线教程
JSP在线教程
ANT在线教程
ibatis在线教程
hibernate在线教程
JDBC在线教程
JasperReports在线教程
java实例在线教程
Java.math包在线教程
MyBatis在线教程
Spring在线教程
JavaMail在线教程
TestNG在线教程
AWT在线教程
jMeter在线教程
Swing在线教程
Java.util包在线教程
Struts2在线教程
Maven在线教程
Java.io包在线教程
Json在线教程
Lucene在线教程
JFreeChart在线教程
JPA在线教程
EasyMock在线教程
Guava在线教程
JavaFX在线教程
Web开发
AngularJS在线教程
Ruby On Rails在线教程
jQuery在线教程
VBScript在线教程
HTTP协议在线教程
CSS在线教程
XHTML在线教程
HTML5在线教程
HTML在线教程
ASP.NET在线教程
JSF在线教程
GWT在线教程
Flex在线教程
框架
Yii在线教程
Yii2.0在线教程
MVC框架在线教程
手机开发
Android在线教程
iOS在线教程
PhoneGap在线教程
大数据
Hadoop在线教程
Hive在线教程
HBase在线教程
Spark在线教程
高级语言
Assembly汇编
C语言在线教程
C++在线教程
C#在线教程
C语言标准库
Matlab在线教程
Euphoria在线教程
Objective-C在线教程
D语言在线教程
Lisp在线教程
Swift在线教程
VBA在线教程
Sed在线教程
Fortran在线教程
Rust在线教程
Scala在线教程
脚本语言
Python在线教程
Ruby在线教程
PHP在线教程
Lua在线教程
Tcl在线教程
数据库
SQL Server在线教程
PostgreSQL在线教程
MongoDB在线教程
SQLite在线教程
Redis在线教程
Memcached在线教程
DB2在线教程
Access在线教程
SQL在线教程
其他技术
UML在线教程
Unix/Linux系统调用
Linux/Unix命令
Unix在线教程
Makefile在线教程
selenium在线教程
Git在线教程
SVN在线教程
Node.js在线教程
Radius在线教程
Socket编程
Shell在线教程
Excel在线教程

Website security

59.46.10.15

External hidden links

Good! No hidden external links found

Looking for eval()

Good! No eval(bas64_decode()) scripts are found

Checking for XSS vulnerability

No XSS vulnerability found

Email encryption

Good! We have not found any unencrypted email addresses.

Icons

Favicon

Error! No favicon is found. Using favicon helps to build a better brand quicker.

Typos

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SEO report of gitbook.net

极客书-最实用的编程在线教程集合

Tasks

SEO

Social

Content

Technologies

Speed test

Speed test – Javascript

Speed test – CSS

Speed test – Compression

Speed test – Browser cache

Speed test – Images

Links

External links:

Internal links:

Website security

Icons

Typos

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