SEO report of jl-system.com
上海景灵检测技术有限公司
www.jl-system.com/
上海景灵检测技术有限公司是一家专业从事金属检测器、金属检测机和金属检测仪等工业在线检测设备的技术研发与产品制造的高科技公司。公司依托研发团队在数字式金属异物检测相关的传感器、信号处理、电子及软硬件等技术近10年的积累，致力研制JL型全数字式智能金属异物检测设备。公司获得国家专项资金补助， ...
Tasks
- Make the site mobile device friendly.
- 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.
- Try to make your site load faster.
SEO
URL
Domain : www.jl-system.com/
Character length : 18
Title
上海景灵检测技术有限公司
Description
上海景灵检测技术有限公司是一家专业从事金属检测器、金属检测机和金属检测仪等工业在线检测设备的技术研发与产品制造的高科技公司。公司依托研发团队在数字式金属异物检测相关的传感器、信号处理、电子及软硬件等技术近10年的积累，致力研制JL型全数字式智能金属异物检测设备。公司获得国家专项资金补助，并取得了多项国家专利和软件著作权，产品经过国家重点实验室验证通过。
Keywords (meta keywords)
Good! The website does not use “meta keywords”.
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
There is robots.txt file.
https://jl-system.com/robots.txt
https://jl-system.com/robots.txt
| User-agent | Disallowed for the search engines |
|---|---|
| * |
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
上海景灵检测技术有限公司
Character length : 12
Good! The title’s length is between 10 and 70 characters.
Character length : 12
Good! The title’s length is between 10 and 70 characters.
Text / HTML ratio
Ratio : 5%
Error! The text / HTML code ratio is under 15 percent on this website. This value shows that the website has relatively few text content.
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
| H1 | H2 | H3 | H4 | H5 | H6 |
|---|---|---|---|---|---|
| 0 | 0 | 0 | 0 | 0 | 0 |
No "H" tags found
Heading structure in the source code
Word cloud
- 产品中心3
- 联系我们3
- 新闻动态3
- 查看更多2
- 管道式金属检测机2
- 大型全金属检测器2
- 检针机2
- 工业产品金属检测器2
- 成功案例展示2
- jpg2
- 其它配件2
- 网站首页2
- 企业简介2
- 关于我们2
- 食品金属检测机2
Keyword matrix
| word | title | descriptions | heading |
|---|---|---|---|
| 产品中心 | |||
| 联系我们 | |||
| 新闻动态 | |||
| 查看更多 | |||
| 管道式金属检测机 | |||
| 大型全金属检测器 |
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 32 images on this web page.
Alternate attributes for the following 12 images are missing. Search engines use "alt" tags to understand image content efficiently. We strongly recommend fixing this issue.
Alternate attributes for the following 12 images are missing. Search engines use "alt" tags to understand image content efficiently. We strongly recommend fixing this issue.
- http://s2.d2scdn.com/2016/06/16/Fpn7XUuGLBWevqAMobFDhHAYrrGQ.png
- http://s2.d2scdn.com/2016/06/02/Fqe_2yUPDBHnYjFy2QCfGZreFcM7.jpg
- http://s2.d2scdn.com/2016/06/02/FhbC1ftYkxSj2bQozAkuJ_fXzvl4.jpg
- http://s2.d2scdn.com/2016/06/02/FnbaLpA-Q8V-WHn1qSGzNUUrD06p.jpg
- http://www.demlution.com/staticfile/E0452/images/banner_di.jpg
- http://www.demlution.com/staticfile/E0452/images/class_top.jpg
- http://www.demlution.com/staticfile/E0452/images/about_icon.jpg
- http://www.demlution.com/staticfile/E0452/images/lx2.png
- http://www.demlution.com/staticfile/E0452/images/contact_02.jpg
- http://www.demlution.com/staticfile/E0452/images/contact_04.jpg
- http://www.demlution.com/staticfile/E0452/images/contact_di.jpg
Technologies
Mobile optimization
Error! This website is not optimized for mobile devices... It is optimized for devices which have at least 1200px wide display!
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 not fast enough: 0.42 seconds have passed until the page started to load.
Loading time
21,173 ms
Table layout
Error! Avoid using nested tables!
Number of HTTP resources
101
Number of source domains
23
Render blocking resources
The elements below are blocking the “above the fold” rendering.
List of render blocking javascript files
List of render blocking javascript files
- https://s2.d2scdn.com/static/js/jquery-1.7.1.min.js
- https://s2.d2scdn.com/static/js/jq-plug.js
- https://s2.d2scdn.com/static/js/msclass.js
- https://s2.d2scdn.com/.. /jcarousellite_1.0.1.js
- http://www.demlution.com/.. /jquery.kinMaxShow-1.1.min.js
- http://www.demlution.com/staticfile/E0452/css/style.css
Speed test – Javascript
Javascript
Good! Just a few javascript files are detected on the website.
File size of all javascript files combined
114.71KB
Javascript minifying
You can save 8.5KB (49% 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.
File size of all css files combined
68.11KB
CSS minifying
You can save 2.3KB (16% compression) on the analysed URL by minifying the CSS files.
- By minifying https://s2.d2scdn.com/static/css/mopublic.css you can save 1.3KB (13% compression rate)
- By minifying http://www.demlution.com/staticfile/E0452/css/style.css you can save 1.1KB (21% compression rate)
Speed test – Compression
Uncompressed size of the of the HTML
43.95KB
Gzip compression
Your site uses compression.
Speed test – Browser cache
Number of static resources (image, JS, CSS)
61
Browser cache
The browser cache is not set correctly for all elements.
| URL | Duration |
|---|---|
| http://www.demlution.com/staticfile/E0452/css/style.css | Expiry time is not specified |
| http://www.demlution.com/.. /jquery.kinMaxShow-1.1.min.js | Expiry time is not specified |
| http://s.union.360.cn/137290.js | 2 minutes |
Speed test – Images
File size of all images combined
2.10MB
Image optimisation
You can save 1.5MB (73% compression) by optimising the images below:
- By lossless compressing the https://s2.d2scdn.com/2016/06/02/FhbC1ftYkxSj2bQozAkuJ_fXzvl4.jpg you can save 520KB (77%) data.
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Links
We found a total of 78 different links.
Internal links: 72
External links: 6
Internal links: 72
External links: 6
External links:
Internal links:
Website security
IP
139.224.7.32
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
Warning! The website contains at least one unencrypted email address.
Sites on same ip
Icons
Favicon
Good! The website uses favicon.
Typos
l-system.com, jnl-system.com, nl-system.com, jhl-system.com, hl-system.com, jyl-system.com, yl-system.com, jul-system.com, ul-system.com, jil-system.com, il-system.com, jkl-system.com, kl-system.com, jml-system.com, ml-system.com, j-system.com, jlp-system.com, jp-system.com, jlo-system.com, jo-system.com, jl-system.com, j-system.com, jli-system.com, ji-system.com, jlk-system.com, jk-system.com, jlm-system.com, jm-system.com, jl.-system.com, j.-system.com, jlsystem.com, jl-=system.com, jl=system.com, jl-_system.com, jl_system.com, jl-0system.com, jl0system.com, jl-+system.com, jl+system.com, jl-*system.com, jl*system.com, jl-9system.com, jl9system.com, jl-ystem.com, jl-sqystem.com, jl-qystem.com, jl-swystem.com, jl-wystem.com, jl-seystem.com, jl-eystem.com, jl-szystem.com, jl-zystem.com, jl-sxystem.com, jl-xystem.com, jl-scystem.com, jl-cystem.com, jl-sstem.com, jl-sytstem.com, jl-ststem.com, jl-sygstem.com, jl-sgstem.com, jl-syhstem.com, jl-shstem.com, jl-syjstem.com, jl-sjstem.com, jl-syustem.com, jl-sustem.com, jl-sytem.com, jl-sysqtem.com, jl-syqtem.com, jl-syswtem.com, jl-sywtem.com, jl-sysetem.com, jl-syetem.com, jl-sysztem.com, jl-syztem.com, jl-sysxtem.com, jl-syxtem.com, jl-sysctem.com, jl-syctem.com, jl-sysem.com, jl-systrem.com, jl-sysrem.com, jl-systfem.com, jl-sysfem.com, jl-systgem.com, jl-sysgem.com, jl-systhem.com, jl-syshem.com, jl-systyem.com, jl-sysyem.com, jl-syst5em.com, jl-sys5em.com, jl-syst6em.com, jl-sys6em.com, jl-systm.com, jl-systewm.com, jl-systwm.com, jl-systesm.com, jl-systsm.com, jl-system.com, jl-systm.com, jl-systedm.com, jl-systdm.com, jl-systefm.com, jl-systfm.com, jl-systerm.com, jl-systrm.com, jl-syste3m.com, jl-syst3m.com, jl-syste4m.com, jl-syst4m.com, jl-syste.com, jl-systemn.com, jl-systen.com, jl-systemh.com, jl-systeh.com, jl-system.com, jl-syste.com, jl-systemj.com, jl-systej.com, jl-systemk.com, jl-systek.com, jl-systeml.com, jl-systel.com, jl-system .com, jl-syste .com
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