7.7 sec in total
449 ms
7 sec
292 ms
Welcome to topstarseal.com homepage info - get ready to check Topstarseal best content right away, or after learning these important things about topstarseal.com
China leading Mechanical Seals,Compressor And Parts,Spring Mechanical Seals, supplier & factory,offer Compressor Shaft Seals for customers
Visit topstarseal.comWe analyzed Topstarseal.com page load time and found that the first response time was 449 ms and then it took 7.2 sec to load all DOM resources and completely render a web page. This is a poor result, as 80% of websites can load faster.
topstarseal.com performance score
name
value
score
weighting
Value2.5 s
69/100
10%
Value4.0 s
48/100
25%
Value4.4 s
74/100
10%
Value30 ms
100/100
30%
Value0.552
13/100
15%
Value3.1 s
95/100
10%
449 ms
683 ms
314 ms
318 ms
318 ms
Our browser made a total of 68 requests to load all elements on the main page. We found that 4% of them (3 requests) were addressed to the original Topstarseal.com, 51% (35 requests) were made to Style.bosscdn.com and 29% (20 requests) were made to I.bosscdn.com. The less responsive or slowest element that took the longest time to load (5.4 sec) relates to the external source I.bosscdn.com.
Page size can be reduced by 427.0 kB (44%)
967.7 kB
540.7 kB
In fact, the total size of Topstarseal.com main page is 967.7 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. 40% of websites need less resources to load. Javascripts take 517.7 kB which makes up the majority of the site volume.
Potential reduce by 66.4 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 66.4 kB or 73% of the original size.
Potential reduce by 34.3 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, Topstarseal needs image optimization as it can save up to 34.3 kB or 11% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 309.0 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 309.0 kB or 60% of the original size.
Potential reduce by 17.3 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. Topstarseal.com needs all CSS files to be minified and compressed as it can save up to 17.3 kB or 52% of the original size.
Number of requests can be reduced by 29 (44%)
66
37
The browser has sent 66 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Topstarseal. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 13 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.
topstarseal.com
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topstarseal.com accessibility score
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
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
Form elements do not have associated labels
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.
topstarseal.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
User Experience
Impact
Issue
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
topstarseal.com SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
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
EN
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Topstarseal.com can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it matches the claimed language. Our system also found out that Topstarseal.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.
topstarseal.com
Open Graph description is not detected on the main page of Topstarseal. 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: