SEO report of tantech.cn

碳博士控股-点亮城市智慧能源

www.tantech.cn/

碳博士控股,美国纳斯达克上市企业,是一家集研发、生产、销售为一体的新材料、新能源的企业。主要生产新能源汽车以及超级电容炭、竹醋、有机肥、烧烤炭、清洁剂等竹炭衍生品 ...


 Tasks

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

 SEO

URL

Domain : www.tantech.cn/

Character length : 15

Title
碳博士控股-点亮城市智慧能源
Description
碳博士控股,美国纳斯达克上市企业,是一家集研发、生产、销售为一体的新材料、新能源的企业。主要生产新能源汽车以及超级电容炭、竹醋、有机肥、烧烤炭、清洁剂等竹炭衍生品。
Keywords (meta keywords)
碳博士,碳博士控股,浙江富来森,富来森,竹炭,新能源汽车,竹醋,有机肥,超级电容碳,纳斯达克,纳斯达克指数,中概股,中国概念股

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
XHTML 1.0 Transitional
Encoding
Perfect! The character encoding is set: GB2312.
Language
Error! No language localization is found.
Title
碳博士控股-点亮城市智慧能源

Character length : 14

Good! The title’s length is between 10 and 70 characters.
Text / HTML ratio
Ratio : 31%

Good! The text / code ratio is between 25 and 70 percent.
Headings
H1H2H3H4H5H6
000000

No "H" tags found

Heading structure in the source code
    Word cloud
    • ðâîåöððä2
    Keyword matrix
    wordtitledescriptionsheading
    ðâîåöððä
    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 10 images on this web page.

    Alternate attributes for the following 9 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)
    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.
    Number of HTTP resources
    29
    Number of source domains
    1
    Render blocking resources
    The elements below are blocking the “above the fold” rendering.
    List of render blocking javascript files
    • http://www.tantech.cn/js/ark.js
    List of render blocking css files
    • http://www.tantech.cn/css/style.css
    • http://www.tantech.cn/css/index.css

     Speed test – Javascript

    Javascript
    Good! Just a few javascript files are detected on the website.
    • http://www.tantech.cn/js/ark.js
    File size of all javascript files combined
    8.48KB
    Javascript minifying
    You can save 428B (20% 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.tantech.cn/css/style.css
    • http://www.tantech.cn/css/index.css
    File size of all css files combined
    12.09KB
    CSS minifying
    Great! The CSS elements are minified.

     Speed test – Compression

    Uncompressed size of the of the HTML
    10.59KB
    Gzip compression
    Your site uses compression.

     Speed test – Browser cache

    Number of static resources (image, JS, CSS)
    28
    Browser cache
    The browser cache is not set correctly for all elements.
    URLDuration
    http://www.tantech.cn/css/index.cssExpiry time is not specified
    http://www.tantech.cn/css/style.cssExpiry time is not specified
    http://www.tantech.cn/image/4.jpgExpiry time is not specified
    http://www.tantech.cn/image/5.jpgExpiry time is not specified
    http://www.tantech.cn/image/LOGO.jpgExpiry time is not specified
    http://www.tantech.cn/image/banner_lbbg.jpgExpiry time is not specified
    http://www.tantech.cn/image/banner_ltbg.jpgExpiry time is not specified
    http://www.tantech.cn/image/banner_rbbg.jpgExpiry time is not specified
    http://www.tantech.cn/image/banner_rtbg.jpgExpiry time is not specified
    http://www.tantech.cn/image/damen.jpgExpiry time is not specified
    http://www.tantech.cn/image/main_new_tb.jpgExpiry time is not specified
    http://www.tantech.cn/image/nav_bg.jpgExpiry time is not specified
    http://www.tantech.cn/image/nav_pro_bg.jpgExpiry time is not specified
    http://www.tantech.cn/image/nav_sub.jpgExpiry time is not specified
    http://www.tantech.cn/image/news_labg.jpgExpiry time is not specified
    http://www.tantech.cn/image/news_t_bg.jpgExpiry time is not specified
    http://www.tantech.cn/image/page_bg.jpgExpiry time is not specified
    http://www.tantech.cn/image/product_title_lbg.jpgExpiry time is not specified
    http://www.tantech.cn/image/product_title_rbg.jpgExpiry time is not specified
    http://www.tantech.cn/image/telephone.jpgExpiry time is not specified
    http://www.tantech.cn/image/top_new_bg.jpgExpiry time is not specified
    http://www.tantech.cn/image/top_new_laba.jpgExpiry time is not specified
    http://www.tantech.cn/image/top_new_lbg.jpgExpiry time is not specified
    http://www.tantech.cn/image/top_new_rbg.jpgExpiry time is not specified
    http://www.tantech.cn/image/video_Bbg.jpgExpiry time is not specified
    http://www.tantech.cn/image/video_bg.jpgExpiry time is not specified
    http://www.tantech.cn/images/banner-1.jpgExpiry time is not specified
    http://www.tantech.cn/js/ark.jsExpiry time is not specified

     Speed test – Images

    File size of all images combined
    385.85KB
    Image optimisation
    You can save 192.1KB (51% compression) by optimising the images below:

     Links

    We found a total of 36 different links.
    Internal links: 33
    External links: 3

    External links:

    Link text (anchor) Link strength

    Internal links:

    Link text (anchor) Link strength

     Website security

    IP
    42.159.29.86
    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.

     Sites on same ip

    goldhope.cc

    moderncapital-wm.com

    tantech.cn

    huangguangardenhotel.com

    yishengtech.com

    anyrent.com.cn

    beijing-work.com

    jiahuatech.com.cn

    tantech.com.cn

    qinfutech.com

     Icons

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

     Typos

    antech.cn, trantech.cn, rantech.cn, tfantech.cn, fantech.cn, tgantech.cn, gantech.cn, thantech.cn, hantech.cn, tyantech.cn, yantech.cn, t5antech.cn, 5antech.cn, t6antech.cn, 6antech.cn, tntech.cn, taqntech.cn, tqntech.cn, tawntech.cn, twntech.cn, tazntech.cn, tzntech.cn, tantech.cn, tntech.cn, taxntech.cn, txntech.cn, tasntech.cn, tsntech.cn, tatech.cn, tanbtech.cn, tabtech.cn, tangtech.cn, tagtech.cn, tanhtech.cn, tahtech.cn, tanjtech.cn, tajtech.cn, tanmtech.cn, tamtech.cn, tan tech.cn, ta tech.cn, tanech.cn, tantrech.cn, tanrech.cn, tantfech.cn, tanfech.cn, tantgech.cn, tangech.cn, tanthech.cn, tanhech.cn, tantyech.cn, tanyech.cn, tant5ech.cn, tan5ech.cn, tant6ech.cn, tan6ech.cn, tantch.cn, tantewch.cn, tantwch.cn, tantesch.cn, tantsch.cn, tantech.cn, tantch.cn, tantedch.cn, tantdch.cn, tantefch.cn, tantfch.cn, tanterch.cn, tantrch.cn, tante3ch.cn, tant3ch.cn, tante4ch.cn, tant4ch.cn, tanteh.cn, tantecxh.cn, tantexh.cn, tantecsh.cn, tantesh.cn, tantech.cn, tanteh.cn, tantecdh.cn, tantedh.cn, tantecfh.cn, tantefh.cn, tantecvh.cn, tantevh.cn, tantec h.cn, tante h.cn, tantec.cn, tantechb.cn, tantecb.cn, tantechg.cn, tantecg.cn, tantecht.cn, tantect.cn, tantechy.cn, tantecy.cn, tantechu.cn, tantecu.cn, tantechj.cn, tantecj.cn, tantechm.cn, tantecm.cn, tantechn.cn, tantecn.cn

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