15.7 sec in total
1.8 sec
13.2 sec
604 ms
Click here to check amazing Hwsb Chem 17 content for China. Otherwise, check out these important facts you probably never knew about hwsb.chem17.com
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Visit hwsb.chem17.comWe analyzed Hwsb.chem17.com page load time and found that the first response time was 1.8 sec and then it took 13.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.
hwsb.chem17.com performance score
name
value
score
weighting
Value6.8 s
1/100
10%
Value13.6 s
0/100
25%
Value9.7 s
10/100
10%
Value690 ms
43/100
30%
Value0.007
100/100
15%
Value16.7 s
5/100
10%
1840 ms
530 ms
540 ms
569 ms
538 ms
Our browser made a total of 56 requests to load all elements on the main page. We found that 0% of them (0 request) were addressed to the original Hwsb.chem17.com, 9% (5 requests) were made to Img58.chem17.com and 5% (3 requests) were made to Img67.chem17.com. The less responsive or slowest element that took the longest time to load (8.5 sec) relates to the external source Chem17.com.
Page size can be reduced by 469.5 kB (20%)
2.4 MB
1.9 MB
In fact, the total size of Hwsb.chem17.com main page is 2.4 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. 20% of websites need less resources to load. Images take 2.1 MB which makes up the majority of the site volume.
Potential reduce by 56.4 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 56.4 kB or 80% of the original size.
Potential reduce by 281.0 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, Hwsb Chem 17 needs image optimization as it can save up to 281.0 kB or 13% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 107.4 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 107.4 kB or 75% of the original size.
Potential reduce by 24.7 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. Hwsb.chem17.com needs all CSS files to be minified and compressed as it can save up to 24.7 kB or 83% of the original size.
Number of requests can be reduced by 6 (11%)
54
48
The browser has sent 54 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Hwsb Chem 17. 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 as a result speed up the page load time.
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hwsb.chem17.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
Form elements do not have associated labels
Links do not have a discernible name
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
Tables and lists
These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.
Impact
Issue
Lists do not contain only <li> elements and script supporting elements (<script> and <template>).
List items (<li>) are not contained within <ul> or <ol> parent elements.
hwsb.chem17.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
ZH
N/A
GB2312
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Hwsb.chem17.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 Hwsb.chem17.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.
hwsb.chem17.com
Open Graph description is not detected on the main page of Hwsb Chem 17. 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: