8.4 sec in total
1.7 sec
6.4 sec
215 ms
Visit blog.sciencenet.cn now to see the best up-to-date Blog Sciencenet content for China and also check out these interesting facts you probably never knew about blog.sciencenet.cn
科学网博客-构建全球华人科学博客圈
Visit blog.sciencenet.cnWe analyzed Blog.sciencenet.cn page load time and found that the first response time was 1.7 sec and then it took 6.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 80% of websites can load faster.
blog.sciencenet.cn performance score
name
value
score
weighting
Value2.6 s
62/100
10%
Value5.5 s
18/100
25%
Value7.1 s
31/100
10%
Value540 ms
54/100
30%
Value0
100/100
15%
Value4.8 s
79/100
10%
1708 ms
749 ms
474 ms
2123 ms
270 ms
Our browser made a total of 32 requests to load all elements on the main page. We found that 88% of them (28 requests) were addressed to the original Blog.sciencenet.cn, 6% (2 requests) were made to Hm.baidu.com and 3% (1 request) were made to Sciencenet.cn. The less responsive or slowest element that took the longest time to load (4.4 sec) relates to the external source Talk.sciencenet.cn.
Page size can be reduced by 105.0 kB (21%)
491.2 kB
386.2 kB
In fact, the total size of Blog.sciencenet.cn main page is 491.2 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. Only 10% of websites need less resources to load. Images take 397.0 kB which makes up the majority of the site volume.
Potential reduce by 66.7 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. This page needs HTML code to be minified as it can gain 15.6 kB, which is 19% 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 66.7 kB or 82% of the original size.
Potential reduce by 28.4 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. Blog Sciencenet images are well optimized though.
Potential reduce by 1.1 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 1.1 kB or 68% of the original size.
Potential reduce by 8.8 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. Blog.sciencenet.cn needs all CSS files to be minified and compressed as it can save up to 8.8 kB or 79% of the original size.
Number of requests can be reduced by 8 (26%)
31
23
The browser has sent 31 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Blog Sciencenet. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests and as a result speed up the page load time.
blog.sciencenet.cn
1708 ms
blogcss.css
749 ms
blog_index.js
474 ms
%E7%A7%91%E7%A0%94%E6%A2%A6-%E4%BB%8E%E8%BF%99%E9%87%8C%E8%B5%B7%E6%AD%A5.jpg
2123 ms
plus.php
270 ms
1440492570102.jpg
4430 ms
bg.gif
250 ms
logobg.gif
238 ms
blog.jpg
943 ms
f232014a16a3ca001164056.jpg
1283 ms
icon01.gif
491 ms
s_2008611144715680600.gif
1544 ms
icon1.gif
523 ms
s_2007323103816663242.jpg
526 ms
s_2007517424463135.jpg
732 ms
200841010472832.gif
1046 ms
1455522287.gif
1089 ms
10094cd28b71df601122315.jpg
1205 ms
cfa183be36a157f01091000.jpg
1649 ms
5122110f5dc804729102941.jpg
2130 ms
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1615 ms
00fe9d8d3675c9e26112455.jpg
1444 ms
dd7df17ec7bc7ab25141636.jpg
1533 ms
f6f427601465d7e25095406.jpg
1683 ms
a7689421c695db024095353.jpg
1787 ms
img04.gif
1794 ms
tab1.jpg
1829 ms
tab2.jpg
1836 ms
h.js
1071 ms
img01.gif
1669 ms
icon03.jpg
1784 ms
hm.gif
325 ms
blog.sciencenet.cn 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.
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
<frame> or <iframe> elements do not have a title
Image elements do not have [alt] attributes
Form elements do not have associated labels
Links do not have a discernible name
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
Heading elements are not in a sequentially-descending order
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
blog.sciencenet.cn best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
User Experience
Impact
Issue
Displays images with incorrect aspect ratio
Serves images with low resolution
General
Impact
Issue
Browser errors were logged to the console
Issues were logged in the Issues panel in Chrome Devtools
blog.sciencenet.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
ZH
N/A
GBK
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Blog.sciencenet.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 Blog.sciencenet.cn main page’s claimed encoding is gbk. 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.
blog.sciencenet.cn
Open Graph description is not detected on the main page of Blog Sciencenet. 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: