SEO report of optrotech.com

中山奥多特光学有限公司 www.optrotech.com
www.optrotech.com/
我们的主要产品包括高精度棱镜、小透镜、分光片、偏振光学元件及光纤元件(包括融石英支架玻璃套管和玻璃毛细管)。同时,我们还为客户蒸镀各类增透膜、高反膜及部分反射膜等 ...
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.optrotech.com/
Character length : 18
Title
中山奥多特光学有限公司 www.optrotech.com
Description
我们的主要产品包括高精度棱镜、小透镜、分光片、偏振光学元件及光纤元件(包括融石英支架玻璃套管和玻璃毛细管)。同时,我们还为客户蒸镀各类增透膜、高反膜及部分反射膜等。
Keywords (meta keywords)
中山奥多特光学有限公司,高精度棱镜、透镜、分光片、偏振光学元件及光纤元件,小批量,多品种经营模式
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.optrotech.com/.. /FrontColumns_navigation01-topnavFirstCol... ("关于我们")
- http://www.optrotech.com/.. /FrontColumns_navigation01-topnavFirstCol... ("公司介绍")
- http://www.optrotech.com/.. /FrontColumns_navigation01-topnavFirstCol... ("企业文化")
- http://www.optrotech.com/.. /FrontColumns_navigation01-topnavFirstCol... ("管理团队")
- http://www.optrotech.com/.. /FrontColumns_navigation01-topnavFirstCol... ("资质认证")
- http://www.optrotech.com/.. /FrontColumns_navigation01-topnavFirstCol... ("产品展示")
- http://www.optrotech.com/.. /FrontColumns_navigation01-topnavFirstCol... ("服务支持")
- http://www.optrotech.com/.. /FrontColumns_navigation01-topnavFirstCol... ("联系我们")
- http://www.optrotech.com/products_list/pmcId=27.html ("棱镜光胶")
- http://www.optrotech.com/products_list/pmcId=31.html ("棱镜")
- http://www.optrotech.com/products_list/pmcId=22.html ("透镜")
- http://www.optrotech.com/products_list/pmcId=24.html ("装配产品")
- http://www.optrotech.com/products_list/pmcId=26.html ("仪器成品")
- http://www.optrotech.com/.. /&FrontColumns_navigation01-topnavFirstCo...
- http://www.optrotech.com/.. /&FrontColumns_navigation01-topnavFirstCo... ("服务支持")
- http://www.optrotech.com/.. /&FrontColumns_navigation01-topnavFirstCo... ("热门问题")
- http://www.optrotech.com/.. /&FrontColumns_navigation01-topnavFirstCo... ("公司简介")
- http://www.optrotech.com/.. /&FrontColumns_navigation01-topnavFirstCo... ("资质认证")
- http://www.optrotech.com/.. /&FrontColumns_navigation01-topnavFirstCo... ("产品展示")
- http://www.optrotech.com/.. /&FrontComContent_list01-conatctContId=9&... ("服务支持")
- http://www.optrotech.com/.. /&FrontColumns_navigation01-topnavFirstCo... ("联系我们")
- Expand
Search engine friendly URLs
Error! Not all URLs are SEO friendly on this website!
- http://www.optrotech.com/.. /FrontColumns_navigation01-topnavFirstCol... ("关于我们")
- http://www.optrotech.com/.. /FrontColumns_navigation01-topnavFirstCol... ("公司介绍")
- http://www.optrotech.com/.. /FrontColumns_navigation01-topnavFirstCol... ("企业文化")
- http://www.optrotech.com/.. /FrontColumns_navigation01-topnavFirstCol... ("管理团队")
- http://www.optrotech.com/.. /FrontColumns_navigation01-topnavFirstCol... ("资质认证")
- http://www.optrotech.com/.. /FrontColumns_navigation01-topnavFirstCol... ("服务支持")
- http://www.optrotech.com/.. /FrontColumns_navigation01-topnavFirstCol... ("联系我们")
- http://www.optrotech.com/.. /&FrontColumns_navigation01-topnavFirstCo...
- http://www.optrotech.com/.. /&FrontColumns_navigation01-topnavFirstCo... ("服务支持")
- http://www.optrotech.com/.. /&FrontColumns_navigation01-topnavFirstCo... ("热门问题")
- http://www.optrotech.com/.. /&FrontColumns_navigation01-topnavFirstCo... ("公司简介")
- http://www.optrotech.com/.. /&FrontColumns_navigation01-topnavFirstCo... ("资质认证")
- http://www.optrotech.com/.. /&FrontColumns_navigation01-topnavFirstCo... ("产品展示")
- http://www.optrotech.com/.. /&FrontComContent_list01-conatctContId=9&... ("服务支持")
- http://www.optrotech.com/.. /&FrontColumns_navigation01-topnavFirstCo... ("联系我们")
- Expand
Checking the robots.txt file
There is robots.txt file.
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
中山奥多特光学有限公司 www.optrotech.com
Character length : 29
Good! The title’s length is between 10 and 70 characters.
Character length : 29
Good! The title’s length is between 10 and 70 characters.
Text / HTML ratio
Ratio : 3%
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
- 服务支持3
- 联系我们2
- 产品展示2
- 资质认证2
Keyword matrix
| word | title | descriptions | heading |
|---|---|---|---|
| 服务支持 | |||
| 联系我们 | |||
| 产品展示 | |||
| 资质认证 |
404 Page
The website has a 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 2 images on this web page.
Alternate attributes for the following 2 images are missing. Search engines use "alt" tags to understand image content efficiently. We strongly recommend fixing this issue.
Alternate attributes for the following 2 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: 0.63 seconds have passed until the page started to load.
Table layout
Good! No nested tables found.
Number of HTTP resources
61
Number of source domains
2
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.optrotech.com/publicScripts/common/jquery.js
- http://www.optrotech.com/publicScripts/lib.min.js
- http://www.optrotech.com/.. /FrontColumns_navigation01.js
- http://www.optrotech.com/styles/page_index.css
- http://www.optrotech.com/styles/common.css
- http://www.optrotech.com/styles/borders.css
- http://www.optrotech.com/styles/layout_1default.css
- http://www.optrotech.com/styles/page_index_members.css
- http://www.optrotech.com/styles/page_index_orders.css
- http://www.optrotech.com/styles/page_index_specifies.css
- http://www.optrotech.com/styles/page_index_columns.css
- http://www.optrotech.com/styles/page_index_public.css
- http://www.optrotech.com/styles/page_index_adv.css
- http://www.optrotech.com/styles/content_index.css
- http://www.optrotech.com/styles/layout_index.css
- http://www.optrotech.com/styles/page_index_questionnaire.css
- http://www.optrotech.com/styles/tabs_index_box_news.css
- http://www.optrotech.com/styles/page_index_news.css
- http://www.optrotech.com/styles/page_index_products.css
- http://www.optrotech.com/.. /FrontPublic_totalSearch01-d1_c1.css
- http://www.optrotech.com/.. /FrontPublic_totalSearch01-d2_c1.css
- http://www.optrotech.com/.. /FrontPublic_slideShow01-d1_c1.css
- http://www.optrotech.com/.. /FrontQuestionnaire_survey01-d1_c1.css
- http://www.optrotech.com/borders/border_00/border.css
- http://www.optrotech.com/borders/border_42/border.css
- http://www.optrotech.com/borders/border_43/border.css
- http://www.optrotech.com/borders/border_44/border.css
- http://www.optrotech.com/borders/border_45/border.css
- http://www.optrotech.com/borders/border_46/border.css
- http://www.optrotech.com/borders/border_46/border.css
- http://www.optrotech.com/borders/border_42/border.css
- http://www.optrotech.com/borders/border_45/border.css
- http://www.optrotech.com/borders/border_43/border.css
- http://www.optrotech.com/.. /FrontProducts_list01-d1_c1.css
- http://www.optrotech.com/.. /FrontProducts_list01_view2-d1_c1.css
- http://www.optrotech.com/.. /FrontProducts_list01_view3-d1_c1.css
- http://www.optrotech.com/.. /FrontProductsCategory_show01-d1_c3.css
- http://www.optrotech.com/.. /FrontMembers_welcomeInfo01-d1_c1.css
- http://www.optrotech.com/.. /FrontMembers_welcomeInfo01_haslogin-d1_c...
- http://www.optrotech.com/.. /FrontMembers_login01-d1_c1.css
- http://www.optrotech.com/.. /FrontMembers_login01_info-d1_c1.css
- http://www.optrotech.com/.. /FrontMembers_login01-d1_c3.css
- http://www.optrotech.com/.. /FrontSpecifies_show01-d1_c1.css
- http://www.optrotech.com/styles/ui-all.css
- http://www.optrotech.com/styles/button.css
- http://www.optrotech.com/styles/cetop.css
- http://www.optrotech.com/styles/hui.css
- http://www.optrotech.com/styles/adv/FrontAdv_picture01-d1_c1.css
- http://www.optrotech.com/.. /FrontColumns_navigation01-d1_c1.css
- http://www.optrotech.com/styles/news/FrontNews_list01-d2_c1.css
- http://www.optrotech.com/styles/news/FrontNews_list01-d1_c1.css
Speed test – Javascript
Javascript
Error! Too many javascript files found which slows down the page load on the website.
- http://www.optrotech.com/publicScripts/common/jquery.js
- http://www.optrotech.com/publicScripts/lib.min.js
- http://www.optrotech.com/publicScripts/columns/FrontColumns_navigation01.js
- http://www.optrotech.com/images/add/banner/js/flash.js
- http://www.optrotech.com/publicScripts/products/FrontProductsCategory_show01.js
- http://www.optrotech.com/publicScripts/public/FrontPublic_totalSearch01.js
- http://www.optrotech.com/scripts/i18n/FrontPublic_totalSearch01.js
File size of all javascript files combined
392.13KB
Javascript minifying
You can save 5.2KB (34% 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.optrotech.com/styles/page_index.css
File size of all css files combined
232.77KB
CSS minifying
You can save 7.9KB (31% compression) on the analysed URL by minifying the CSS files.
- By minifying http://www.optrotech.com/.. /FrontProducts_list01_view3-d1_c1.css you can save 764B (29% compression rate)
- By minifying http://www.optrotech.com/styles/ui-all.css you can save 731B (23% compression rate)
- By minifying http://www.optrotech.com/.. /FrontProducts_list01_view2-d1_c1.css you can save 692B (28% compression rate)
- By minifying http://www.optrotech.com/styles/layout_1default.css you can save 528B (56% compression rate)
- By minifying http://www.optrotech.com/styles/button.css you can save 446B (26% compression rate)
- By minifying http://www.optrotech.com/.. /FrontQuestionnaire_survey01-d1_c1.css you can save 400B (27% compression rate)
- By minifying http://www.optrotech.com/borders/border_44/border.css you can save 370B (41% compression rate)
- By minifying http://www.optrotech.com/borders/border_00/border.css you can save 363B (48% compression rate)
- By minifying http://www.optrotech.com/borders/border_46/border.css you can save 358B (40% compression rate)
- By minifying http://www.optrotech.com/styles/news/FrontNews_list01-d1_c1.css you can save 331B (23% compression rate)
- By minifying http://www.optrotech.com/borders/border_43/border.css you can save 292B (34% compression rate)
- By minifying http://www.optrotech.com/borders/border_42/border.css you can save 263B (32% compression rate)
- By minifying http://www.optrotech.com/styles/hui.css you can save 257B (18% compression rate)
- By minifying http://www.optrotech.com/borders/border_45/border.css you can save 252B (31% compression rate)
- By minifying http://www.optrotech.com/styles/page_index.css you can save 244B (57% compression rate)
- By minifying http://www.optrotech.com/styles/news/FrontNews_list01-d2_c1.css you can save 225B (27% compression rate)
- By minifying http://www.optrotech.com/styles/page_index_members.css you can save 221B (64% compression rate)
- By minifying http://www.optrotech.com/styles/page_index_columns.css you can save 220B (70% compression rate)
- By minifying http://www.optrotech.com/styles/page_index_specifies.css you can save 220B (71% compression rate)
- By minifying http://www.optrotech.com/styles/borders.css you can save 212B (66% compression rate)
- By minifying http://www.optrotech.com/.. /FrontMembers_login01-d1_c1.css you can save 207B (21% compression rate)
- By minifying http://www.optrotech.com/.. /FrontMembers_welcomeInfo01_haslogin-d1_c... you can save 182B (36% compression rate)
- By minifying http://www.optrotech.com/.. /FrontMembers_login01_info-d1_c1.css you can save 144B (20% compression rate)
- By minifying http://www.optrotech.com/.. /FrontPublic_slideShow01-d1_c1.css you can save 133B (14% compression rate)
Speed test – Compression
Uncompressed size of the of the HTML
15.31KB
Gzip compression
Your site uses compression.
Speed test – Browser cache
Number of static resources (image, JS, CSS)
57
Browser cache
The browser cache is not set correctly for all elements.
| URL | Duration |
|---|---|
| http://ztouch4.gather.shushang-z.cn/scripts/visittrack.js | Expiry time is not specified |
Speed test – Images
File size of all images combined
128.90KB
Image optimisation
You can save 58.8KB (48% compression) by optimising the images below:
- By lossless compressing the http://www.optrotech.com/images/add/bg.jpg you can save 38.4KB (53%) data.
- By lossless compressing the http://www.optrotech.com/images/add/bg_index.jpg you can save 8.7KB (40%) data.
- By lossless compressing the http://www.optrotech.com/images/add/logo.jpg you can save 6.8KB (49%) data.
- By lossless compressing the http://www.optrotech.com/images/add/bg_right.jpg you can save 1.7KB (35%) data.
- By lossless compressing the http://www.optrotech.com/images/add/bg_index_r1.jpg you can save 1.7KB (28%) data.
- By lossless compressing the http://www.optrotech.com/images/add/sms.jpg you can save 837B (30%) data.
- By lossless compressing the http://www.optrotech.com/images/columns/nav-pic-02.gif you can save 381B (37%) data.
- By lossless compressing the http://www.optrotech.com/images/columns/nav-divpic-02.gif you can save 200B (14%) data.
Links
We found a total of 28 different links.
Internal links: 25
External links: 3
Internal links: 25
External links: 3
External links:
| Link text (anchor) | Link strength |
|---|---|
| English | |
| 粤ICP备12023882号-1 | |
| 300.cn |
Internal links:
| Link text (anchor) | Link strength |
|---|---|
| http://www.optrotech.com | |
| 返回首页 | |
| 简体中文 | |
| 关于我们 | |
| 公司介绍 | |
| 企业文化 | |
| 管理团队 | |
| 资质认证 | |
| 产品展示 | |
| 服务支持 | |
| 联系我们 | |
| 棱镜光胶 | |
| 棱镜 | |
| 透镜 | |
| 装配产品 | |
| 仪器成品 | |
| http://www.optrotech.com/.. /&FrontColumns_navigation01-topnavFirstCo... | |
| 服务支持 | |
| 热门问题 | |
| 公司简介 | |
| 资质认证 | |
| 产品展示 | |
| 服务支持 | |
| 联系我们 | |
| www.optrotech.com |
Website security
IP
175.6.10.158
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
Icons
Favicon
Good! The website uses favicon.
Typos
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