SEO report of itbooks.cn

比W3CSchool更全更新更好的W3School在线手册_php在线手册学习下载_武汉php培训_itbooks电子书官网 ...

www.itbooks.cn/

IT电子书是一个比W3CSchool更全更新更好的，专门为网站开发爱好者打造的IT技术学习交流平台。内含HTML4,HTML5,CSS2,CSS3,JS,JQUERY,PHP,MYSQL,LINUX教程和常用的帮助手册下载，还有PHP视频教程，IT技术知识在线问答等W3School在线手册 ...

   

 Tasks

  • Avoid using deprecated HTML tags.
  • Use "H" tags.

 SEO

URL

Domain : www.itbooks.cn/

Character length : 15

Title
比W3CSchool更全更新更好的W3School在线手册_php在线手册学习下载_武汉php培训_itbooks电子书官网
Description
IT电子书是一个比W3CSchool更全更新更好的，专门为网站开发爱好者打造的IT技术学习交流平台。内含HTML4,HTML5,CSS2,CSS3,JS,JQUERY,PHP,MYSQL,LINUX教程和常用的帮助手册下载，还有PHP视频教程，IT技术知识在线问答等W3School在线手册。
Keywords (meta keywords)
itbooks，itbooks官网，it电子书，it电子书官网，W3CSchool，w3cschool 在线教程，武汉php培训，W3School，Mysql入门教程

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
Good! No underscore (_) found in the URLs.
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
比W3CSchool更全更新更好的W3School在线手册_php在线手册学习下载_武汉php培训_itbooks电子书官网

Character length : 62

Good! The title’s length is between 10 and 70 characters.
Text / HTML ratio
Ratio : 4%

Error! The text / HTML code ratio is under 15 percent on this website. This value shows that the website has relatively few text content.
Headings
H1H2H3H4H5H6
000000

No "H" tags found

Heading structure in the source code
    Word cloud
    • 帮助手册2
    • 培训就业2
    • 在线问答2
    • mysql中文手册2
    • mysql入门教程2
    • javascript手册2
    Keyword matrix
    wordtitledescriptionsheading
    帮助手册
    培训就业
    在线问答
    mysql中文手册
    mysql入门教程
    javascript手册
    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 15 images on this web page.

    Alternate attributes for the following 15 images are missing. Search engines use "alt" tags to understand image content efficiently. We strongly recommend fixing this issue.

     Technologies

    Deprecated HTML elements
    Good! No deprecated HTML tags are detected.
    Redirection (www / not www)
    Good! The web address is accessible only in one version. The version without www is redirected to the version with 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.
    Number of HTTP resources
    24
    Number of source domains
    2
    Render blocking resources
    The elements below are blocking the “above the fold” rendering.
    List of render blocking javascript files
    • http://www.itbooks.cn/ui/common/js/jquery-3.2.1.min.js
    List of render blocking css files
    • http://www.itbooks.cn/ui/fonts/iconfont.css
    • http://www.itbooks.cn/ui/common/css/common.css
    • http://www.itbooks.cn/ui/index/css/index.css

     Speed test – Javascript

    Javascript
    Good! Just a few javascript files are detected on the website.
    • http://www.itbooks.cn/ui/common/js/jquery-1.11.3.min.js
    • http://www.itbooks.cn/ui/common/js/jquery.placeholder.min.js
    • http://www.itbooks.cn/ui/common/js/common.js
    File size of all javascript files combined
    92.87KB
    Javascript minifying
    You can save 849B (33% compression) on the analysed URL by minifying the javascript files.

     Speed test – CSS

    CSS
    Good! Just a few CSS files are used on this website.
    • http://www.itbooks.cn/ui/fonts/iconfont.css
    • http://www.itbooks.cn/ui/common/css/common.css
    • http://www.itbooks.cn/ui/index/css/index.css
    File size of all css files combined
    20.42KB
    CSS minifying
    You can save 619B (18% compression) on the analysed URL by minifying the CSS files.

     Speed test – Compression

    Uncompressed size of the of the HTML
    11.58KB
    Gzip compression
    Error! By using Gzip you can save 432B (56% compression) on your site.

     Speed test – Browser cache

    Number of static resources (image, JS, CSS)
    21
    Browser cache
    The browser cache is not set correctly for all elements.
    URLDuration
    http://www.itbooks.cn/ui/common/css/common.css12 hours
    http://www.itbooks.cn/ui/common/js/common.js12 hours
    http://www.itbooks.cn/ui/common/js/jquery-3.2.1.min.js12 hours
    http://www.itbooks.cn/ui/fonts/iconfont.css12 hours
    http://www.itbooks.cn/ui/index/css/index.css12 hours

     Speed test – Images

    File size of all images combined
    731.17KB
    Image optimisation
    You can save 687KB (96% compression) by optimising the images below:

     Links

    We found a total of 34 different links.
    Internal links: 34

    External links:

    Link text (anchor) Link strength

    Internal links:

    Link text (anchor) Link strength
    http://www.itbooks.cn
    首页
    HTML4手册
    HTML5手册
    CSS2手册
    CSS3手册
    Javascript手册
    JQuery手册
    PHP手册
    MySQL入门教程
    MySQL中文手册
    Linux手册
    Nginx手册
    Swift语言
    视频教学
    在线问答
    软件下载
    培训就业
    网站公告
    行业资讯
    IT速学通
    http://www.itbooks.cn/book/2
    http://www.itbooks.cn/book/3
    http://www.itbooks.cn/book/4
    http://www.itbooks.cn/book/5
    http://www.itbooks.cn/book/6
    http://www.itbooks.cn/book/1
    http://www.itbooks.cn/book/7
    http://www.itbooks.cn/book/8
    http://www.itbooks.cn/book/10
    http://www.itbooks.cn/book/9
    http://www.itbooks.cn/book/11
    http://www.itbooks.cn/book/12

     Website security

    IP
    114.55.60.87
    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
    Good! The website uses favicon.

     Typos

    tbooks.cn, iutbooks.cn, utbooks.cn, ijtbooks.cn, jtbooks.cn, itbooks.cn, tbooks.cn, iltbooks.cn, ltbooks.cn, iotbooks.cn, otbooks.cn, i8tbooks.cn, 8tbooks.cn, i9tbooks.cn, 9tbooks.cn, i*tbooks.cn, *tbooks.cn, ibooks.cn, itrbooks.cn, irbooks.cn, itfbooks.cn, ifbooks.cn, itgbooks.cn, igbooks.cn, ithbooks.cn, ihbooks.cn, itybooks.cn, iybooks.cn, it5books.cn, i5books.cn, it6books.cn, i6books.cn, itooks.cn, itbvooks.cn, itvooks.cn, itbfooks.cn, itfooks.cn, itbgooks.cn, itgooks.cn, itbooks.cn, itooks.cn, itbhooks.cn, ithooks.cn, itbnooks.cn, itnooks.cn, itb ooks.cn, it ooks.cn, itboks.cn, itboioks.cn, itbioks.cn, itbokoks.cn, itbkoks.cn, itboloks.cn, itbloks.cn, itbooks.cn, itboks.cn, itbopoks.cn, itbpoks.cn, itbo9oks.cn, itb9oks.cn, itbo0oks.cn, itb0oks.cn, itboks.cn, itbooiks.cn, itboiks.cn, itbookks.cn, itbokks.cn, itboolks.cn, itbolks.cn, itbooks.cn, itboks.cn, itboopks.cn, itbopks.cn, itboo9ks.cn, itbo9ks.cn, itboo0ks.cn, itbo0ks.cn, itboos.cn, itbookus.cn, itboous.cn, itbookjs.cn, itboojs.cn, itbookms.cn, itbooms.cn, itbookls.cn, itbools.cn, itbookos.cn, itbooos.cn, itbook.cn, itbooksq.cn, itbookq.cn, itbooksw.cn, itbookw.cn, itbookse.cn, itbooke.cn, itbooksz.cn, itbookz.cn, itbooksx.cn, itbookx.cn, itbooksc.cn, itbookc.cn

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