12.3 sec in total
5.4 sec
6.7 sec
240 ms
Visit html-js.com now to see the best up-to-date Html Js content for China and also check out these interesting facts you probably never knew about html-js.com
前端乱炖,这里是最专业的前端知识平台,汇集国内大部分前端开发人员的前端花名册,最精彩的原创文章专栏,最专业的问答平台,最火热的话题频道,最丰富的线下线上活动。html,js,css,nodejs,前端开发,前端招聘,jquery,qianduan
Visit html-js.comWe analyzed Html-js.com page load time and found that the first response time was 5.4 sec and then it took 6.9 sec to load all DOM resources and completely render a web page. This is a poor result, as 80% of websites can load faster.
html-js.com performance score
name
value
score
weighting
Value4.1 s
22/100
10%
Value4.1 s
48/100
25%
Value7.7 s
25/100
10%
Value500 ms
58/100
30%
Value0
100/100
15%
Value5.5 s
71/100
10%
5389 ms
2090 ms
2078 ms
2063 ms
2075 ms
Our browser made a total of 68 requests to load all elements on the main page. We found that 1% of them (1 request) were addressed to the original Html-js.com, 35% (24 requests) were made to Htmljs.b0.upaiyun.com and 22% (15 requests) were made to Tp2.sinaimg.cn. The less responsive or slowest element that took the longest time to load (5.4 sec) belongs to the original domain Html-js.com.
Page size can be reduced by 437.0 kB (61%)
721.8 kB
284.8 kB
In fact, the total size of Html-js.com main page is 721.8 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. 45% of websites need less resources to load. Images take 275.8 kB which makes up the majority of the site volume.
Potential reduce by 41.9 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 5.7 kB, which is 11% 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 41.9 kB or 79% of the original size.
Potential reduce by 80.4 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, Html Js needs image optimization as it can save up to 80.4 kB or 29% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 83.6 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 83.6 kB or 67% of the original size.
Potential reduce by 231.1 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. Html-js.com needs all CSS files to be minified and compressed as it can save up to 231.1 kB or 86% of the original size.
Number of requests can be reduced by 10 (15%)
66
56
The browser has sent 66 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Html Js. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 8 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.
html-js.com
5389 ms
bootstrap.css
2090 ms
main.css
2078 ms
prettify.css
2063 ms
glyphicons.css
2075 ms
jquery.js
2097 ms
htmljs.js
2088 ms
prettify.js
2067 ms
bootstrap-tooltip.js
2109 ms
lazyload.js
2330 ms
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236 ms
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89 ms
glyphicons-halflings.png
25 ms
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32 ms
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78 ms
nv.png
59 ms
nan.png
47 ms
glyphicons-regular.woff
453 ms
1
25 ms
0
19 ms
loadingTip.js
256 ms
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339 ms
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377 ms
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325 ms
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277 ms
1423040565748-AppCan-logo%E8%93%9D%E8%89%B2.png
131 ms
1423880680956-%E5%B0%8Flogo.png
378 ms
messageTip.js
249 ms
h.js
644 ms
hm.gif
323 ms
html-js.com accessibility score
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
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
Image elements do not have [alt] attributes
Links do not have a discernible name
html-js.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
html-js.com SEO score
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
Impact
Issue
Links do not have descriptive text
Image elements do not have [alt] attributes
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
N/A
N/A
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Html-js.com can be misinterpreted by Google and other search engines. Unfortunately we cannot identify language used on the page (probably there is a mix of languages, too little text or something else) and no language is claimed in <html> or <meta> tags either. Our system also found out that Html-js.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.
html-js.com
Open Graph description is not detected on the main page of Html Js. 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: