37.4 sec in total
4.6 sec
31.5 sec
1.2 sec
Welcome to nyfh.has.ac.cn homepage info - get ready to check Nyfh Has best content right away, or after learning these important things about nyfh.has.ac.cn
黑龙江省能源环境研究院
Visit nyfh.has.ac.cnWe analyzed Nyfh.has.ac.cn page load time and found that the first response time was 4.6 sec and then it took 32.7 sec to load all DOM resources and completely render a web page. This is an excellent result, as only a small number of websites can load faster. Unfortunately, there were 2 request timeouts, which can generally increase the web page load time, as the browser stays idle while waiting for website response.
nyfh.has.ac.cn performance score
name
value
score
weighting
Value1.8 s
90/100
10%
Value5.3 s
22/100
25%
Value4.8 s
66/100
10%
Value2,470 ms
4/100
30%
Value0
100/100
15%
Value4.8 s
78/100
10%
4603 ms
1551 ms
1918 ms
5888 ms
1537 ms
Our browser made a total of 53 requests to load all elements on the main page. We found that all of those requests were addressed to Nyfh.has.ac.cn and no external sources were called. The less responsive or slowest element that took the longest time to load (20.5 sec) belongs to the original domain Nyfh.has.ac.cn.
Page size can be reduced by 135.5 kB (55%)
245.4 kB
109.9 kB
In fact, the total size of Nyfh.has.ac.cn main page is 245.4 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. 20% of websites need less resources to load. Images take 107.0 kB which makes up the majority of the site volume.
Potential reduce by 32.3 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 32.3 kB or 82% of the original size.
Potential reduce by 29.1 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, Nyfh Has needs image optimization as it can save up to 29.1 kB or 27% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 64.1 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 64.1 kB or 74% of the original size.
Potential reduce by 10.0 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. Nyfh.has.ac.cn needs all CSS files to be minified and compressed as it can save up to 10.0 kB or 83% of the original size.
We found no issues to fix!
50
50
The browser has sent 50 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Nyfh Has. According to our analytics all requests are already optimized.
nyfh.has.ac.cn
4603 ms
css.css
1551 ms
swfobject_modified.js
1918 ms
jquery.min.js
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791 ms
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790 ms
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2473 ms
nyfh.has.ac.cn 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
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.
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.
nyfh.has.ac.cn 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
Browser errors were logged to the console
nyfh.has.ac.cn SEO score
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
ZH
N/A
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Nyfh.has.ac.cn 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 Nyfh.has.ac.cn 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.
nyfh.has.ac.cn
Open Graph description is not detected on the main page of Nyfh Has. 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: