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天津通鼓风机有限公司河北分公司（原天津市鼓风机总厂五分厂）始建于1990年，是华北地区最大的风机设计制造专业厂，主导产品有隧道大型轴流风机、地铁风机、离心式鼓风机、通风机、轴流风机等，是风机协会理事厂家。本厂拥有资深工程技术人员、先进的加工设备、制造工艺及善的检测手段和管理关系，技术力量雄厚、产品质量稳定。并于2001通过ISO9001：2000国际质量管理体系认证；ISO14001：2004际环...

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tian-gu.com

1967 ms

index.css

651 ms

changimages.js

1351 ms

main.js

1026 ms

logo.jpg

1067 ms

Our browser made a total of 30 requests to load all elements on the main page. We found that all of those requests were addressed to Tian-gu.com and no external sources were called. The less responsive or slowest element that took the longest time to load (4.3 sec) belongs to the original domain Tian-gu.com.

Content Size

678.0 kB

After Optimization

534.6 kB

In fact, the total size of Tian-gu.com main page is 678.0 kB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 15% of websites need less resources to load. Images take 640.4 kB which makes up the majority of the site volume.

HTML Optimization

-71%

Potential reduce by 15.8 kB

Original 22.1 kB
After minification 21.3 kB
After compression 6.4 kB

HTML content can be minified and compressed by a website’s server. The most efficient way is to compress content using GZIP which reduces data amount travelling through the network between server and browser. HTML code on this page is well minified. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 15.8 kB or 71% of the original size.

Image Optimization

-18%

Potential reduce by 115.1 kB

Original 640.4 kB
After minification 525.3 kB

Image size optimization can help to speed up a website loading time. The chart above shows the difference between the size before and after optimization. Obviously, Tian Gu needs image optimization as it can save up to 115.1 kB or 18% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-83%

Potential reduce by 11.2 kB

Original 13.4 kB
After minification 8.5 kB
After compression 2.2 kB

It’s better to minify JavaScript in order to improve website performance. The diagram shows the current total size of all JavaScript files against the prospective JavaScript size after its minification and compression. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 11.2 kB or 83% of the original size.

CSS Optimization

-69%

Potential reduce by 1.5 kB

Original 2.1 kB
After minification 1.9 kB
After compression 659 B

CSS files minification is very important to reduce a web page rendering time. The faster CSS files can load, the earlier a page can be rendered. Tian-gu.com needs all CSS files to be minified and compressed as it can save up to 1.5 kB or 69% of the original size.

Requests Now

After Optimization

The browser has sent 29 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Tian Gu. According to our analytics all requests are already optimized.

Language and Encoding

Language Detected

N/A

Language Claimed

N/A

Encoding

GB2312

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Tian-gu.com can be misinterpreted by Google and other search engines. Unfortunately we cannot identify language used on the page (probably there is a mix of languages, too little text or something else) and no language is claimed in <html> or <meta> tags either. Our system also found out that Tian-gu.com main page’s claimed encoding is gb2312. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

Open Graph description is not detected on the main page of Tian Gu. Lack of Open Graph description can be counter-productive for their social media presence, as such a description allows converting a website homepage (or other pages) into good-looking, rich and well-structured posts, when it is being shared on Facebook and other social media. For example, adding the following code snippet into HTML <head> tag will help to represent this web page correctly in social networks: