14 sec in total
382 ms
13.2 sec
427 ms
Welcome to nsvvalve.com homepage info - get ready to check NSV Valve best content right away, or after learning these important things about nsvvalve.com
YONGJIA NSV VALVE CO.,LTD. is one of leading manufacturers of industrial valves,supplying forged and cast steel industrial valves for applications in the chemical,petrochemical,oil and gas,nuclear pow...
Visit nsvvalve.comWe analyzed Nsvvalve.com page load time and found that the first response time was 382 ms and then it took 13.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.
nsvvalve.com performance score
name
value
score
weighting
Value2.6 s
64/100
10%
Value8.4 s
2/100
25%
Value17.8 s
0/100
10%
Value70 ms
99/100
30%
Value1.786
0/100
15%
Value6.4 s
59/100
10%
382 ms
356 ms
497 ms
77 ms
218 ms
Our browser made a total of 75 requests to load all elements on the main page. We found that 97% of them (73 requests) were addressed to the original Nsvvalve.com, 1% (1 request) were made to Sdk.51.la and 1% (1 request) were made to Collect-v6.51.la. The less responsive or slowest element that took the longest time to load (10.6 sec) belongs to the original domain Nsvvalve.com.
Page size can be reduced by 152.1 kB (13%)
1.2 MB
1.0 MB
In fact, the total size of Nsvvalve.com main page is 1.2 MB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 40% of websites need less resources to load. Images take 973.5 kB which makes up the majority of the site volume.
Potential reduce by 52.0 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. 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 52.0 kB or 86% of the original size.
Potential reduce by 66.6 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. NSV Valve images are well optimized though.
Potential reduce by 24.3 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 24.3 kB or 25% of the original size.
Potential reduce by 9.3 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. Nsvvalve.com needs all CSS files to be minified and compressed as it can save up to 9.3 kB or 35% of the original size.
Number of requests can be reduced by 9 (13%)
67
58
The browser has sent 67 CSS, Javascripts, AJAX and image requests in order to completely render the main page of NSV Valve. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 7 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.
nsvvalve.com
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nsvvalve.com accessibility score
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
Buttons do not have an accessible name
Image elements do not have [alt] attributes
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
Background and foreground colors do not have a sufficient contrast ratio.
Internationalization and localization
These are opportunities to improve the interpretation of your content by users in different locales.
Impact
Issue
<html> element does not have a [lang] attribute
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.
nsvvalve.com best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Includes front-end JavaScript libraries with known security vulnerabilities
Ensure CSP is effective against XSS attacks
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
Page has valid source maps
nsvvalve.com SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
robots.txt is not valid
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
Tap targets are not sized appropriately
EN
N/A
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Nsvvalve.com can be misinterpreted by Google and other search engines. Our service has detected that English 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 Nsvvalve.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.
nsvvalve.com
Open Graph description is not detected on the main page of NSV Valve. 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: