SEO report of leader-gas.com

制氧机,制氮机,大连力德气体科技股份有限公司
www.leader-gas.com/
大连力德气体科技股份有限公司,是一家以工业气体设备为主体,集研发、生产、销售和服务于一身的高新技术企业。联系电话: 0411-87660736 Email:xy@leader-gas.com ...
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.
SEO
URL
Domain : www.leader-gas.com/
Character length : 19
Title
制氧机,制氮机,大连力德气体科技股份有限公司
Description
大连力德气体科技股份有限公司,是一家以工业气体设备为主体,集研发、生产、销售和服务于一身的高新技术企业。联系电话: 0411-87660736 Email:xy@leader-gas.com
Keywords (meta keywords)
制氧机,制氮机, psa,vpsa,中空纤维膜,膜制氧,膜制氮,变压,吸附,制氧,制氮,氧气,氮气,设备
Error! Using “meta keywords” is meaningless in a while.
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.leader-gas.com/Cn/yeji_table/7893ad9c88bb07 ("公司业绩")
- http://www.leader-gas.com/Cn/yeji_table/55b8080e86c1975d ("力德辉煌")
- http://www.leader-gas.com/Cn/yeji_Details/7893ad9c88bb07.html
- http://www.leader-gas.com/cn/news_details/fe5e6ddeebb407c ("力德公司中标湘村高科规模化生物天然气沼气提纯设备")
- http://www.leader-gas.com/cn/news_details/585a1edf5da9ec75 ("恭贺大连力德气体科技股份有限公司喜迁新址")
- http://www.leader-gas.com/cn/news_details/1e0f1f1fa4544ad7 ("热烈庆祝力德气体荣获优秀科技创新型企业称号")
- http://www.leader-gas.com/cn/news_details/275bec3da25b1745 ("1000方真空变压吸附制氧设备通过验收")
- http://www.leader-gas.com/cn/news_details/cc5c564cd114a45 ("2015年度推荐国家科技进步奖项目公示")
- http://www.leader-gas.com/cn/news_details/1abf284d9f90a6b0 ("力德气体成都办事处升级,服务面涵括西南地区")
- http://www.leader-gas.com/cn/news_details/4934c2fab10939ac ("技术创新成就行业品牌,空气掘金延伸产业价值(转载)")
- 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
Error! The character encoding setting is missing!
Language
Error! No language localization is found.
Title
制氧机,制氮机,大连力德气体科技股份有限公司
Character length : 22
Good! The title’s length is between 10 and 70 characters.
Character length : 22
Good! The title’s length is between 10 and 70 characters.
Text / HTML ratio
Ratio : 11%
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 |
|---|---|---|---|---|---|
| 1 | 0 | 0 | 3 | 5 | 0 |
Heading structure in the source code
- <H1> 大连力德气体科技股份有限公司
- <H4> 产品分类
- <H5> 空分制氧系统
- <H5> 空分制氮系统
- <H5> 气体纯化系统
- <H5> 中空纤维膜脱水系统
- <H5> 沼气分离提纯系统
- <H4> 公司简介
- <H4> 力德新闻
Word cloud
- 中空纤维膜脱水系统4
- 沼气分离提纯系统4
- psa变压吸附制氧系统2
- 中空纤维膜制氧系统2
- vpsa真空变压吸附制氧系统2
- 平板膜制氧系统2
- 氮气纯化系统2
- 公司业绩2
- 氩气纯化系统2
- 氧气纯化系统2
- 氢气纯化系统2
- psa变压吸附制氮系统2
- 中空纤维膜制氮系统2
- 公司简介2
- 气体纯化系统2
- 空分制氧系统2
- 空分制氮系统2
Keyword matrix
| word | title | descriptions | heading |
|---|---|---|---|
| 中空纤维膜脱水系统 | |||
| 沼气分离提纯系统 | |||
| psa变压吸附制氧系统 | |||
| 中空纤维膜制氧系统 | |||
| vpsa真空变压吸附制氧系统 | |||
| 平板膜制氧系统 |
Two Word cloud
- 氩气纯化系统 中空纤维膜脱水系统2
- 中空纤维膜脱水系统 沼气分离提纯系统2
- psa变压吸附制氧系统 vpsa真空变压吸附制氧系统2
404 Page
The website has no standard 404 error page.
Flash content
Error! We found flash content(s) on this website which cannot be indexed by the search engines.
Frame
Good! The website does not use iFrame solutions.
Images
We found 10 images on this web page.
Alternate attributes for the following 4 images are missing. Search engines use "alt" tags to understand image content efficiently. We strongly recommend fixing this issue.
Alternate attributes for the following 4 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 not fast enough: 1.7 seconds have passed until the page started to load.
Table layout
Error! Avoid using nested tables!
Number of HTTP resources
43
Number of source domains
4
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
- http://www.leader-gas.com/Scripts/jquery-1.4.4.min.js
- http://www.leader-gas.com/Scripts/jquery.megamenu.js
- http://www.leader-gas.com/Content/Site.css
- http://www.leader-gas.com/Content/jquery.megamenu.css
- http://www.leader-gas.com/Content/main.css
Speed test – Javascript
Javascript
Good! Just a few javascript files are detected on the website.
- http://www.leader-gas.com/Scripts/jquery-1.4.4.min.js
- http://www.leader-gas.com/Scripts/jquery.megamenu.js
- http://www.leader-gas.com/js/jquery.flexslider-min.js
File size of all javascript files combined
186.53KB
Javascript minifying
You can save 2KB (28% compression) on the analysed URL by minifying the javascript files.
Speed test – CSS
CSS
Error! Too many CSS files detected that slows down the page load.
- http://www.leader-gas.com/Content/Site.css
- http://www.leader-gas.com/Content/jquery.megamenu.css
- http://www.leader-gas.com/Content/main.css
- http://www.leader-gas.com/Content/css.css
- http://www.leader-gas.com/js/demo.css
- http://www.leader-gas.com/css/lrtk.css
File size of all css files combined
20.96KB
CSS minifying
You can save 4.1KB (21% compression) on the analysed URL by minifying the CSS files.
- By minifying http://www.leader-gas.com/Content/Site.css you can save 2.6KB (20% compression rate)
- By minifying http://www.leader-gas.com/css/lrtk.css you can save 821B (28% compression rate)
- By minifying http://www.leader-gas.com/Content/css.css you can save 371B (30% compression rate)
- By minifying http://www.leader-gas.com/Content/main.css you can save 166B (16% compression rate)
- By minifying http://www.leader-gas.com/js/demo.css you can save 120B (14% compression rate)
Speed test – Compression
Uncompressed size of the of the HTML
30.31KB
Gzip compression
Error! By using Gzip you can save 50.5KB (65% compression) on your site.
- By compressing http://www.leader-gas.com/Scripts/jquery-1.4.4.min.js you can save 50.5KB (65% compression rate)
- By compressing http://www.leader-gas.com you can save 24.3KB (81% compression rate)
- By compressing http://www.leader-gas.com/Content/Site.css you can save 10.2KB (74% compression rate)
- By compressing http://www.leader-gas.com/Scripts/jquery.megamenu.js you can save 5.7KB (78% compression rate)
- By compressing http://www.leader-gas.com/js/jquery.flexslider-min.js you can save 5.3KB (71% compression rate)
- By compressing http://www.leader-gas.com/css/lrtk.css you can save 1.8KB (61% compression rate)
- By compressing http://www.leader-gas.com/Content/css.css you can save 730B (58% compression rate)
- By compressing http://www.leader-gas.com/Content/main.css you can save 630B (57% compression rate)
- By compressing http://www.leader-gas.com/js/demo.css you can save 494B (53% compression rate)
Speed test – Browser cache
Number of static resources (image, JS, CSS)
35
Browser cache
The browser cache is not set correctly for all elements.
| URL | Duration |
|---|---|
| http://www.leader-gas.com/Content/Images/link/air.jpg | Expiry time is not specified |
| http://www.leader-gas.com/Content/Images/link/bosig.jpg | Expiry time is not specified |
| http://www.leader-gas.com/Content/Images/link/gkss.jpg | Expiry time is not specified |
| http://www.leader-gas.com/Content/Images/link/gmt.jpg | Expiry time is not specified |
| http://www.leader-gas.com/Content/Site.css | Expiry time is not specified |
| http://www.leader-gas.com/Content/css.css | Expiry time is not specified |
| http://www.leader-gas.com/Content/images/banner.jpg | Expiry time is not specified |
| http://www.leader-gas.com/Content/images/banner_bg.jpg | Expiry time is not specified |
| http://www.leader-gas.com/Content/images/bg_control_nav.png | Expiry time is not specified |
| http://www.leader-gas.com/Content/images/bg_left.jpg | Expiry time is not specified |
| http://www.leader-gas.com/Content/images/bl.jpg | Expiry time is not specified |
| http://www.leader-gas.com/Content/images/center_tit.jpg | Expiry time is not specified |
| http://www.leader-gas.com/Content/images/footer_bg.jpg | Expiry time is not specified |
| http://www.leader-gas.com/Content/images/icon01.jpg | Expiry time is not specified |
| http://www.leader-gas.com/Content/images/icon1.jpg | Expiry time is not specified |
| http://www.leader-gas.com/Content/images/icon2.jpg | Expiry time is not specified |
| http://www.leader-gas.com/Content/images/left_bom.jpg | Expiry time is not specified |
| http://www.leader-gas.com/Content/images/left_tit.jpg | Expiry time is not specified |
| http://www.leader-gas.com/Content/images/line_bg.jpg | Expiry time is not specified |
| http://www.leader-gas.com/Content/images/logo.jpg | Expiry time is not specified |
| http://www.leader-gas.com/Content/images/m_right_h4.jpg | Expiry time is not specified |
| http://www.leader-gas.com/Content/images/more.gif | Expiry time is not specified |
| http://www.leader-gas.com/Content/images/right_bom.jpg | Expiry time is not specified |
| http://www.leader-gas.com/Content/main.css | Expiry time is not specified |
| http://www.leader-gas.com/MannaImage/Picture/4f9f26b362cf6af3.jpg | Expiry time is not specified |
| http://www.leader-gas.com/MannaImage/Picture/6533e15bf1905fc.jpg | Expiry time is not specified |
| http://www.leader-gas.com/MannaImage/Picture/77b636f5a03970b1.jpg | Expiry time is not specified |
| http://www.leader-gas.com/MannaImage/Picture/cb649031a41f979c.jpg | Expiry time is not specified |
| http://www.leader-gas.com/Scripts/jquery-1.4.4.min.js | Expiry time is not specified |
| http://www.leader-gas.com/Scripts/jquery.megamenu.js | Expiry time is not specified |
| http://www.leader-gas.com/css/lrtk.css | Expiry time is not specified |
| http://www.leader-gas.com/js/demo.css | Expiry time is not specified |
| http://www.leader-gas.com/js/jquery.flexslider-min.js | Expiry time is not specified |
| https://hmcdn.baidu.com/static/hmt/icon/21.gif | Expiry time is not specified |
| http://www.google-analytics.com/ga.js | 2 hours |
Speed test – Images
File size of all images combined
1.17MB
Image optimisation
You can save 246.4KB (27% compression) by optimising the images below:
- By lossless compressing the http://www.leader-gas.com/MannaImage/Picture/4f9f26b362cf6af3.jpg you can save 83.7KB (72%) data.
- By lossless compressing the http://www.leader-gas.com/MannaImage/Picture/cb649031a41f979c.jpg you can save 47.3KB (13%) data.
- By lossless compressing the http://www.leader-gas.com/Content/images/banner.jpg you can save 46.9KB (78%) data.
- By lossless compressing the http://www.leader-gas.com/MannaImage/Picture/77b636f5a03970b1.jpg you can save 34.3KB (12%) data.
- By lossless compressing the http://www.leader-gas.com/Content/images/logo.jpg you can save 10.7KB (51%) data.
- By lossless compressing the http://www.leader-gas.com/Content/Images/link/gmt.jpg you can save 5.1KB (69%) data.
- By lossless compressing the http://www.leader-gas.com/Content/Images/link/gkss.jpg you can save 4.2KB (66%) data.
- By lossless compressing the http://www.leader-gas.com/Content/Images/link/air.jpg you can save 2.4KB (59%) data.
- By lossless compressing the http://www.leader-gas.com/Content/Images/link/bosig.jpg you can save 1.6KB (47%) data.
- By lossless compressing the http://www.leader-gas.com/Content/images/icon2.jpg you can save 1.2KB (67%) data.
- By lossless compressing the http://www.leader-gas.com/Content/images/icon1.jpg you can save 1KB (73%) data.
- By lossless compressing the http://www.leader-gas.com/Content/images/more.gif you can save 1,009B (89%) data.
- By lossless compressing the http://www.leader-gas.com/Content/images/bg_control_nav.png you can save 941B (52%) data.
- By lossless compressing the http://www.leader-gas.com/Content/images/icon01.jpg you can save 939B (59%) data.
- By lossless compressing the http://www.leader-gas.com/Content/images/bg_left.jpg you can save 838B (68%) data.
- By lossless compressing the http://www.leader-gas.com/Content/images/left_tit.jpg you can save 822B (48%) data.
- By lossless compressing the http://www.leader-gas.com/Content/images/m_right_h4.jpg you can save 821B (44%) data.
- By lossless compressing the http://www.leader-gas.com/Content/images/center_tit.jpg you can save 816B (35%) data.
- By lossless compressing the http://www.leader-gas.com/Content/images/right_bom.jpg you can save 697B (57%) data.
- By lossless compressing the http://www.leader-gas.com/Content/images/left_bom.jpg you can save 489B (38%) data.
- By lossless compressing the http://www.leader-gas.com/Content/images/banner_bg.jpg you can save 312B (39%) data.
- By lossless compressing the https://hmcdn.baidu.com/static/hmt/icon/21.gif you can save 300B (27%) data.
Links
We found a total of 74 different links.
Internal links: 69
External links: 5
Internal links: 69
External links: 5
External links:
| Link text (anchor) | Link strength |
|---|---|
| http://www.gkss.de | |
| http://www.bosig.de/index.php/en | |
| http://www.cngspw.com | |
| http://www.airproducts.com.cn | |
| 辽ICP备08104087号-1 |
Internal links:
| Link text (anchor) | Link strength |
|---|---|
| 大连力德气体科技股份有限公司 | |
| 中文版 | |
| English | |
| 网站首页 | |
| 公司简介 | |
| 组织机构 | |
| 资质证明 | |
| 力德新闻 | |
| 产品中心 | |
| 空分制氧系统 | |
| 空分制氮系统 | |
| 气体纯化系统 | |
| 中空纤维膜脱水系统 | |
| 沼气分离提纯系统 | |
| 中空纤维膜制氧系统 | |
| 平板膜制氧系统 | |
| PSA变压吸附制氧系统 | |
| VPSA真空变压吸附制氧系统 | |
| 中空纤维膜制氮系统 | |
| PSA变压吸附制氮系统 | |
| 氮气纯化系统 | |
| 氢气纯化系统 | |
| 氧气纯化系统 | |
| 氩气纯化系统 | |
| 中空纤维膜脱水系统 | |
| 沼气分离提纯系统 | |
| 汽车轮胎行业 | |
| 化学行业 | |
| 金属冶炼行业 | |
| 煤矿石油行业 | |
| 食品行业 | |
| 富氧助燃 | |
| 化工行业 | |
| 环保行业 | |
| 医疗保健 | |
| 造纸行业 | |
| 水产养殖 | |
| 高原制氧 | |
| 高原铁路客车制氧系统 | |
| 矿山制氧设备 | |
| 燃煤锅炉富氧助燃系统 | |
| 绿色气调储粮用制氮系统 | |
| 专栏文章 | |
| 公司业绩 | |
| 公司业绩 | |
| 力德辉煌 | |
| 业绩表 | |
| 售后服务 | |
| 人才招聘 | |
| 联系我们 | |
| http://www.leader-gas.com/Cn/Prod.html | |
| 空分制氧系统 | |
| 空分制氮系统 | |
| 气体纯化系统 | |
| 中空纤维膜脱水系统 | |
| 沼气分离提纯系统 | |
| 了解详情 | |
| http://www.leader-gas.com/Cn/About/d3a7f63d69fc58f3.html | |
| http://www.leader-gas.com/Cn/yeji_Details/7893ad9c88bb07.html | |
| http://www.leader-gas.com/Cn/Tech/a693c89bb7adf4b4.html | |
| http://www.leader-gas.com/Cn/Tech/784a445d1e525d13.html | |
| http://www.leader-gas.com/Cn/News.html | |
| 力德公司中标湘村高科规模化生物天然气沼气提纯设备 | |
| 恭贺大连力德气体科技股份有限公司喜迁新址 | |
| 热烈庆祝力德气体荣获优秀科技创新型企业称号 | |
| 1000方真空变压吸附制氧设备通过验收 | |
| 2015年度推荐国家科技进步奖项目公示 | |
| 力德气体成都办事处升级,服务面涵括西南地区 | |
| 技术创新成就行业品牌,空气掘金延伸产业价值(转载) |
Website security
IP
219.239.95.61
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
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Typos
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