58.6 sec in total
18.8 sec
39.6 sec
256 ms
Welcome to nova.chenglin.name homepage info - get ready to check Nova Chenglin best content for China right away, or after learning these important things about nova.chenglin.name
chenglin博客,技术分享,每日更新,工作涉及PHP开发、性能优化、WEB开发、运维.
Visit nova.chenglin.nameWe analyzed Nova.chenglin.name page load time and found that the first response time was 18.8 sec and then it took 39.9 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.
nova.chenglin.name performance score
name
value
score
weighting
Value5.2 s
8/100
10%
Value5.6 s
18/100
25%
Value20.3 s
0/100
10%
Value90 ms
99/100
30%
Value0
100/100
15%
Value9.4 s
30/100
10%
18768 ms
9863 ms
6303 ms
2546 ms
5471 ms
Our browser made a total of 47 requests to load all elements on the main page. We found that 2% of them (1 request) were addressed to the original Nova.chenglin.name, 32% (15 requests) were made to Chenglin.name and 15% (7 requests) were made to Bdimg.share.baidu.com. The less responsive or slowest element that took the longest time to load (20.4 sec) relates to the external source Chenglin.name.
Page size can be reduced by 511.5 kB (71%)
722.2 kB
210.7 kB
In fact, the total size of Nova.chenglin.name main page is 722.2 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. 30% of websites need less resources to load. Javascripts take 389.9 kB which makes up the majority of the site volume.
Potential reduce by 38.4 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. This page needs HTML code to be minified as it can gain 10.5 kB, which is 21% 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 38.4 kB or 78% of the original size.
Potential reduce by 3.5 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, Nova Chenglin needs image optimization as it can save up to 3.5 kB or 22% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 249.1 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 249.1 kB or 64% of the original size.
Potential reduce by 220.6 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. Nova.chenglin.name needs all CSS files to be minified and compressed as it can save up to 220.6 kB or 82% of the original size.
Number of requests can be reduced by 32 (76%)
42
10
The browser has sent 42 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Nova Chenglin. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 20 to 1 for JavaScripts and from 9 to 1 for CSS and as a result speed up the page load time.
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nova.chenglin.name 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.
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>).
nova.chenglin.name 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
nova.chenglin.name 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
Tap targets are not sized appropriately
ZH
ZH
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Nova.chenglin.name can be misinterpreted by Google and other search engines. Our service has detected that Chinese is used on the page, and it matches the claimed language. Our system also found out that Nova.chenglin.name 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}}
nova.chenglin.name
Open Graph description is not detected on the main page of Nova Chenglin. 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: