10.1 sec in total
1.2 sec
8.6 sec
269 ms
Visit songshuhui.net now to see the best up-to-date Songshuhui content for China and also check out these interesting facts you probably never knew about songshuhui.net
知识科学松鼠会是一个汇聚了当代最优秀的华语青年科学传播者的非营利机构,旨在“剥开科学的坚果,帮助人们领略科学之美妙”。
Visit songshuhui.netWe analyzed Songshuhui.net page load time and found that the first response time was 1.2 sec and then it took 8.9 sec to load all DOM resources and completely render a web page. This is a poor result, as 85% of websites can load faster.
songshuhui.net performance score
name
value
score
weighting
Value2.4 s
71/100
10%
Value4.6 s
35/100
25%
Value4.7 s
68/100
10%
Value110 ms
97/100
30%
Value0.08
94/100
15%
Value5.4 s
71/100
10%
1203 ms
627 ms
19 ms
257 ms
29 ms
Our browser made a total of 40 requests to load all elements on the main page. We found that 43% of them (17 requests) were addressed to the original Songshuhui.net, 40% (16 requests) were made to Cdn.songshuhui.net and 5% (2 requests) were made to Cdn.mathjax.org. The less responsive or slowest element that took the longest time to load (7.1 sec) relates to the external source Cdn.songshuhui.net.
Page size can be reduced by 408.3 kB (24%)
1.7 MB
1.3 MB
In fact, the total size of Songshuhui.net main page is 1.7 MB. 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 1.2 MB which makes up the majority of the site volume.
Potential reduce by 57.0 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 57.0 kB or 78% of the original size.
Potential reduce by 79.1 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. Songshuhui images are well optimized though.
Potential reduce by 245.2 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 245.2 kB or 70% of the original size.
Potential reduce by 26.9 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. Songshuhui.net needs all CSS files to be minified and compressed as it can save up to 26.9 kB or 81% of the original size.
Number of requests can be reduced by 4 (10%)
39
35
The browser has sent 39 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Songshuhui. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 5 to 1 for JavaScripts and as a result speed up the page load time.
songshuhui.net
1203 ms
style.css
627 ms
MathJax.js
19 ms
wp-emoji-release.min.js
257 ms
TeX-AMS-MML_HTMLorMML.js
29 ms
20151216-1.jpg
5464 ms
01_Hero1%20Male%20Suicide_%28C%29%20Damien%20Tran.jpg
483 ms
20151216-2.jpg
5453 ms
20151216-3.jpg
5454 ms
20151216-42.jpg
5474 ms
20151216-5.jpg
7102 ms
3.3-117x78.jpg
5461 ms
image0011-600x600.jpg
5464 ms
A2DC7C5D-FD7D-4E0B-9F50-AE88583D5388-117x122.jpg
5468 ms
image002-117x101.jpg
5473 ms
jetta-117x59.gif
5465 ms
QQ20160222-0-300x228.jpg
5476 ms
QQ%E6%88%AA%E5%9B%BE20160221232714-600x452.png
5489 ms
CiRiW4V3Y1h04gRRb5wfpE7vPugkioSklKAicFHWB5oJBwAAsAkAAEpQ-600x826.jpg
5772 ms
QQ20150910-3-117x77.jpg
5705 ms
meituanyun1.png
6671 ms
upyunLOGO-40.png
5487 ms
nav.png
258 ms
logo.jpg
1480 ms
sreach.png
513 ms
songshubtn.png
1380 ms
rss.png
551 ms
timthumb.php
557 ms
timthumb.php
564 ms
timthumb.php
791 ms
timthumb.php
850 ms
timthumb.php
859 ms
ourfriends.gif
882 ms
focus_v2.png
1061 ms
dian.png
1089 ms
footer.png
1059 ms
h.js
866 ms
ga.js
36 ms
hm.gif
437 ms
__utm.gif
12 ms
songshuhui.net 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
Image elements do not have [alt] attributes
Links do not have a discernible name
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.
songshuhui.net 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
Displays images with incorrect aspect ratio
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
Page has valid source maps
Issues were logged in the Issues panel in Chrome Devtools
songshuhui.net 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
N/A
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Songshuhui.net 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 Songshuhui.net 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.
songshuhui.net
Open Graph description is not detected on the main page of Songshuhui. 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: