SEO report of sifirsttech.com
Redirected to www.sifirsttech.com/cn/index.aspx
佛山市南海赛威科技技术有限公司
www.sifirsttech.com/cn/index.aspx
Error! The "meta description" is missing, the page has no summary description!
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.
- Try to make your site load faster.
SEO
URL
Domain : www.sifirsttech.com/cn/index.aspx
Character length : 33
Title
佛山市南海赛威科技技术有限公司
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
Error! Hyphen (-) is a better solution than underscore (_) in the URLs
- http://www.sifirsttech.com/news_view.aspx?n_id=1 ("赛威科技快充协议识别IC SFP169 正式发布")
- http://www.sifirsttech.com/news_view.aspx?n_id=2 ("祝贺赛威科技蓝牙智能调光软件发布")
- http://www.sifirsttech.com/news_view.aspx?n_id=3 ("热烈祝贺赛威科技LED照明驱动系列芯片的研发项目成功立项")
- http://www.sifirsttech.com/news_view.aspx?n_id=5 ("烈祝贺赛威科技多项专利产品被认定为广东省高新技术产品")
- http://www.sifirsttech.com/news_view.aspx?n_id=6 ("赛威科技推出业内最精简的3W隔离式LED驱动方案—SFL600")
- http://www.sifirsttech.com/products_view.aspx?pid=1
- http://www.sifirsttech.com/products_view.aspx?pid=1 ("了解更多")
- http://www.sifirsttech.com/products_view.aspx?pid=28
- http://www.sifirsttech.com/products_view.aspx?pid=28 ("了解更多")
- http://www.sifirsttech.com/products_view.aspx?pid=32
- http://www.sifirsttech.com/products_view.aspx?pid=32 ("了解更多")
- http://www.sifirsttech.com/products_view.aspx?pid=46
- http://www.sifirsttech.com/products_view.aspx?pid=46 ("了解更多")
- http://www.sifirsttech.com/products_view.aspx?pid=56
- http://www.sifirsttech.com/products_view.aspx?pid=56 ("了解更多")
- 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
Perfect! The character encoding is set: UTF-8.
Language
Error! No language localization is found.
Title
佛山市南海赛威科技技术有限公司
Character length : 15
Good! The title’s length is between 10 and 70 characters.
Character length : 15
Good! The title’s length is between 10 and 70 characters.
Text / HTML ratio
Ratio : 23%
Acceptable! The text / code ratio is between 15 and 25 percent.
Acceptable! The text / code ratio is between 15 and 25 percent.
Headings
| H1 | H2 | H3 | H4 | H5 | H6 |
|---|---|---|---|---|---|
| 0 | 0 | 2 | 8 | 2 | 1 |
Heading structure in the source code
- <H3> 欢迎来到赛威-- 好电源IC从这里开始！
- <H4> 支持中心
- <H4> 产品中心
- <H3> 产品推荐
- <H4> SF5920S
- <H4> SFL678
- <H4> SFL980
- <H4> SF6778S
- <H4> SF5938S
- <H5> © Copyright © 2013.
- <H6> SIFIRST TECHNOLOGIES NANHAI LIMITED
- <H5> All rights reserved.
- <H4> 粤ICP备10046044号-1
Word cloud
- control18
- protection17
- voltage13
- output10
- clamping10
- power10
- vdd10
- integrates10
- mode9
- led9
- built-in9
- short8
- current8
- high8
- efficiency8
- proprietary8
- 了解更多7
- ovp7
- performance7
- system7
- function7
- under6
- compensation6
- start6
- achieve6
- lockout5
- ocp5
- uvlo5
- regulation5
- limiting5
- improve5
- soft5
- light5
- protections5
- cycle-by-cycle5
- functions5
- packages5
- noise5
- audio5
- load5
- available5
- energy4
- reliability4
- vcc4
- decrease4
- floating4
- frequency4
- circuit4
- startup4
- uses4
- less4
- applications4
- offline4
- side4
- excellent4
- cable3
- provide3
- max3
- mosfet3
- circuits3
Keyword matrix
| word | title | descriptions | heading |
|---|---|---|---|
| control | |||
| protection | |||
| voltage | |||
| output | |||
| clamping | |||
| power |
Two Word cloud
- over voltage5
- has built-in5
- constant current3
- integrates functions3
- built-in cable3
- high performance3
Three Word cloud
- cycle-by-cycle current limiting5
- under voltage lockout4
- vdd over voltage2
- pin floating protection2
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 10 images are missing. Search engines use "alt" tags to understand image content efficiently. We strongly recommend fixing this issue.
Alternate attributes for the following 10 images are missing. Search engines use "alt" tags to understand image content efficiently. We strongly recommend fixing this issue.
- http://www.sifirsttech.com/../images/SF59XX_cn.png
- http://www.sifirsttech.com/../images/ph2.png
- http://www.sifirsttech.com/../images/SF67XX_cn.png
- http://www.sifirsttech.com/../images/page1-img1.png
- http://www.sifirsttech.com/../images/page1-img2.png
- http://www.sifirsttech.com/.. /SOT23-5-SF5920S.png
- http://www.sifirsttech.com/../admin/Product/image/SOT23-6-SFL678.png
- http://www.sifirsttech.com/../admin/Product/image/SOP8-SFL980.png
- http://www.sifirsttech.com/../admin/Product/image/DIP8-SF6778S.png
- http://www.sifirsttech.com/../admin/Product/image/DIP8-SF5938S.png
Technologies
Mobile optimization
Error! This website is not optimized for mobile devices... It is optimized for devices which have at least 980px 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 fast enough.
Loading time
5,744 ms
Table layout
Good! No nested tables found.
Number of HTTP resources
31
Number of source domains
1
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.sifirsttech.com/js/jquery-1.6.3.min.js
- http://www.sifirsttech.com/js/jquery.featureCarousel.js
- http://www.sifirsttech.com/js/cufon-yui.js
- http://www.sifirsttech.com/WebResource.axd?d=fqV81KWLWhVg-lLAb4IT6y...
- http://www.sifirsttech.com/CSS/StyleSheet.css
- http://www.sifirsttech.com/CSS/grid.css
- http://www.sifirsttech.com/CSS/StyleSheet.css
- http://www.sifirsttech.com/CSS/StyleSheet1.css
Speed test – Javascript
Javascript
Good! Just a few javascript files are detected on the website.
- http://www.sifirsttech.com/../js/jquery-1.6.3.min.js
- http://www.sifirsttech.com/../js/jquery.featureCarousel.js
- http://www.sifirsttech.com/../js/cufon-yui.js
- http://www.sifirsttech.com/WebResource.axd?d=fqV81KWLWhVg-lLAb4IT61gUJrFNLOA5fkpQW4x7nwIDaRADPak9oa216Zud2VZaTVv7SeDjaWjjuHqrzfq7Jc8rFaOn3935Lr8ZO0VAs1k1&t=636264210860000000
- http://www.sifirsttech.com/js/cufon-replace.js
File size of all javascript files combined
179.15KB
Javascript minifying
You can save 6.9KB (32% 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.sifirsttech.com/../CSS/StyleSheet.css
- http://www.sifirsttech.com/../CSS/grid.css
- http://www.sifirsttech.com/../CSS/StyleSheet.css
- http://www.sifirsttech.com/../CSS/StyleSheet1.css
- http://www.sifirsttech.com/./CSS/StyleSheet.css
File size of all css files combined
37.34KB
CSS minifying
You can save 2.2KB (27% compression) on the analysed URL by minifying the CSS files.
- By minifying http://www.sifirsttech.com/CSS/StyleSheet.css you can save 1.4KB (25% compression rate)
- By minifying http://www.sifirsttech.com/CSS/StyleSheet1.css you can save 400B (24% compression rate)
- By minifying http://www.sifirsttech.com/CSS/grid.css you can save 393B (39% compression rate)
Speed test – Compression
Uncompressed size of the of the HTML
32.19KB
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.
| URL | Duration |
|---|---|
| http://www.sifirsttech.com/CSS/StyleSheet.css | Expiry time is not specified |
| http://www.sifirsttech.com/CSS/StyleSheet1.css | Expiry time is not specified |
| http://www.sifirsttech.com/CSS/grid.css | Expiry time is not specified |
| http://www.sifirsttech.com/admin/Product/image/DIP8-SF5938S.png | Expiry time is not specified |
| http://www.sifirsttech.com/admin/Product/image/SOP8-SFL980.png | Expiry time is not specified |
| http://www.sifirsttech.com/admin/Product/image/SOT23-5-SF5920S.png | Expiry time is not specified |
| http://www.sifirsttech.com/admin/Product/image/SOT23-6-SFL678.png | Expiry time is not specified |
| http://www.sifirsttech.com/images/PSR-web.png | Expiry time is not specified |
| http://www.sifirsttech.com/images/SCR-web.png | Expiry time is not specified |
| http://www.sifirsttech.com/images/SSR-web.png | Expiry time is not specified |
| http://www.sifirsttech.com/images/center-shadow.png | Expiry time is not specified |
| http://www.sifirsttech.com/images/footer-tail.gif | Expiry time is not specified |
| http://www.sifirsttech.com/images/guanggao-bg1.gif | Expiry time is not specified |
| http://www.sifirsttech.com/images/logo1.png | Expiry time is not specified |
| http://www.sifirsttech.com/images/marker-1.gif | Expiry time is not specified |
| http://www.sifirsttech.com/images/menu-bg.jpg | Expiry time is not specified |
| http://www.sifirsttech.com/images/menu-row-tail.gif | Expiry time is not specified |
| http://www.sifirsttech.com/images/menu-spacer.gif | Expiry time is not specified |
| http://www.sifirsttech.com/images/page1-img1.png | Expiry time is not specified |
| http://www.sifirsttech.com/images/page1-img2.png | Expiry time is not specified |
| http://www.sifirsttech.com/images/pic-1.gif | Expiry time is not specified |
| http://www.sifirsttech.com/images/row-top-tail.jpg | Expiry time is not specified |
| http://www.sifirsttech.com/images/search-bg.jpg | Expiry time is not specified |
| http://www.sifirsttech.com/images/search-icon.png | Expiry time is not specified |
| http://www.sifirsttech.com/js/cufon-yui.js | Expiry time is not specified |
| http://www.sifirsttech.com/js/jquery-1.6.3.min.js | Expiry time is not specified |
| http://www.sifirsttech.com/js/jquery.featureCarousel.js | Expiry time is not specified |
Speed test – Images
File size of all images combined
787.92KB
Image optimisation
You can save 3.4KB (38% compression) by optimising the images below:
- By lossless compressing the http://www.sifirsttech.com/images/menu-bg.jpg you can save 2.1KB (42%) data.
- By lossless compressing the http://www.sifirsttech.com/images/row-top-tail.jpg you can save 807B (51%) data.
- By lossless compressing the http://www.sifirsttech.com/images/search-bg.jpg you can save 210B (20%) data.
- By lossless compressing the http://www.sifirsttech.com/images/menu-spacer.gif you can save 138B (26%) data.
- By lossless compressing the http://www.sifirsttech.com/images/search-icon.png you can save 135B (18%) data.
Links
We found a total of 34 different links.
Internal links: 34
Internal links: 34
External links:
| Link text (anchor) | Link strength |
|---|
Internal links:
Website security
IP
218.5.76.111
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
Error! No favicon is found. Using favicon helps to build a better brand quicker.
Order of Heading elements on mobile by position
- H3 : 欢迎来到赛威-- 好电源IC从这里开始！, ( 744px from top )
- H3 : 产品推荐, ( 744px from top )
- H4 : SF5920S, ( 799px from top )
- H4 : 支持中心, ( 938px from top )
- H4 : 产品中心, ( 938px from top )
- H4 : SFL678, ( 968px from top )
- H4 : SFL980, ( 1137px from top )
- H5 : © Copyright © 2013., ( 1239px from top )
- H6 : SIFIRST TECHNOLOGIES NANHAI LIMITED, ( 1259px from top )
- H5 : All rights reserved., ( 1279px from top )
- H4 : 粤ICP备10046044号-1, ( 1299px from top )
- H4 : SF6778S, ( 1306px from top )
Typos
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