29.5 sec in total
3.1 sec
26.1 sec
298 ms
Welcome to open.itheima.com homepage info - get ready to check Open Itheima best content for China right away, or after learning these important things about open.itheima.com
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Visit open.itheima.comWe analyzed Open.itheima.com page load time and found that the first response time was 3.1 sec and then it took 26.4 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 10 request timeouts, which can generally increase the web page load time, as the browser stays idle while waiting for website response.
open.itheima.com performance score
3094 ms
1185 ms
869 ms
864 ms
926 ms
Our browser made a total of 49 requests to load all elements on the main page. We found that 73% of them (36 requests) were addressed to the original Open.itheima.com, 6% (3 requests) were made to Js.fangkebao.cc and 4% (2 requests) were made to Hm.baidu.com. The less responsive or slowest element that took the longest time to load (19.7 sec) belongs to the original domain Open.itheima.com.
Page size can be reduced by 237.1 kB (75%)
315.9 kB
78.8 kB
In fact, the total size of Open.itheima.com main page is 315.9 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. Javascripts take 162.1 kB which makes up the majority of the site volume.
Potential reduce by 44.7 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 44.7 kB or 80% of the original size.
Potential reduce by 858 B
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, Open Itheima needs image optimization as it can save up to 858 B or 25% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 114.7 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 114.7 kB or 71% of the original size.
Potential reduce by 76.8 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. Open.itheima.com needs all CSS files to be minified and compressed as it can save up to 76.8 kB or 82% of the original size.
Number of requests can be reduced by 10 (28%)
36
26
The browser has sent 36 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Open Itheima. 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 from 5 to 1 for CSS and as a result speed up the page load time.
open.itheima.com
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open.itheima.com SEO score
ZH
N/A
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Open.itheima.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 Open.itheima.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.
open.itheima.com
Open Graph description is not detected on the main page of Open Itheima. 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: