7.3 sec in total
660 ms
6.5 sec
109 ms
Visit btbvalve.com now to see the best up-to-date Btbvalve content and also check out these interesting facts you probably never knew about btbvalve.com
玉环比得宝气阀有限公司,成立于2005年,专业制造与研发气动角座阀与其他气动阀门,十余年生产经验与技术积累,数十项技术创新,做到小阀门,大技术。针对各种极端工况,如高频,高温等需求,实现产品各项指标完全达到用户使用标准。严格遵循ISO9001及6S质量认证与生产体系,配合进口设备与先进生产工艺,产品达到国内行业领先水平。长期与世界五百强,中国五百强等企业合作,覆盖包装、橡塑、印染、汽配等数十种行业...
Visit btbvalve.comWe analyzed Btbvalve.com page load time and found that the first response time was 660 ms and then it took 6.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 80% of websites can load faster.
btbvalve.com performance score
name
value
score
weighting
Value7.3 s
1/100
10%
Value8.4 s
2/100
25%
Value21.1 s
0/100
10%
Value1,960 ms
8/100
30%
Value0.004
100/100
15%
Value41.0 s
0/100
10%
660 ms
150 ms
214 ms
2789 ms
83 ms
Our browser made a total of 43 requests to load all elements on the main page. We found that 95% of them (41 requests) were addressed to the original Btbvalve.com, 2% (1 request) were made to Zjnet.zjaic.gov.cn and 2% (1 request) were made to Idinfo.zjaic.gov.cn. The less responsive or slowest element that took the longest time to load (3.1 sec) relates to the external source Idinfo.zjaic.gov.cn.
Page size can be reduced by 61.9 kB (30%)
209.6 kB
147.7 kB
In fact, the total size of Btbvalve.com main page is 209.6 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 156.9 kB which makes up the majority of the site volume.
Potential reduce by 36.0 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. This page needs HTML code to be minified as it can gain 9.8 kB, which is 25% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 36.0 kB or 90% of the original size.
Potential reduce by 16.3 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. Btbvalve images are well optimized though.
Potential reduce by 7.2 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 7.2 kB or 78% of the original size.
Potential reduce by 2.4 kB
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. Btbvalve.com needs all CSS files to be minified and compressed as it can save up to 2.4 kB or 71% of the original size.
Number of requests can be reduced by 15 (36%)
42
27
The browser has sent 42 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Btbvalve. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests and as a result speed up the page load time.
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{{time}} ms
btbvalve.com accessibility score
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
Background and foreground colors do not have a sufficient contrast ratio.
Names and labels
These are opportunities to improve the semantics of the controls in your application. This may enhance the experience for users of assistive technology, like a screen reader.
Impact
Issue
Image elements do not have [alt] attributes
Links do not have a discernible name
Best practices
These items highlight common accessibility best practices.
Impact
Issue
[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.
btbvalve.com best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
User Experience
Impact
Issue
Displays images with incorrect aspect ratio
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
Missing source maps for large first-party JavaScript
btbvalve.com SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
Impact
Issue
Image elements do not have [alt] attributes
Mobile Friendly
Make sure your pages are mobile friendly so users don’t have to pinch or zoom in order to read the content pages. [Learn more](https://developers.google.com/search/mobile-sites/).
Impact
Issue
Document uses legible font sizes
ZH
N/A
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Btbvalve.com can be misinterpreted by Google and other search engines. Our service has detected that Chinese is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Btbvalve.com main page’s claimed encoding is utf-8. Use of this encoding format is the best practice as the main page visitors from all over the world won’t have any issues with symbol transcription.
{{og_description}}
btbvalve.com
Open Graph description is not detected on the main page of Btbvalve. 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: