24.2 sec in total
830 ms
22 sec
1.4 sec
Click here to check amazing Phil Pku content for China. Otherwise, check out these important facts you probably never knew about phil.pku.edu.cn
Visit phil.pku.edu.cnWe analyzed Phil.pku.edu.cn page load time and found that the first response time was 830 ms and then it took 23.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 95% of websites can load faster.
phil.pku.edu.cn performance score
name
value
score
weighting
Value2.4 s
72/100
10%
Value0
0/100
25%
Value13.8 s
1/100
10%
Value2,250 ms
6/100
30%
Value0.001
100/100
15%
Value5.3 s
73/100
10%
830 ms
1607 ms
515 ms
774 ms
1027 ms
Our browser made a total of 36 requests to load all elements on the main page. We found that all of those requests were addressed to Phil.pku.edu.cn and no external sources were called. The less responsive or slowest element that took the longest time to load (19.5 sec) belongs to the original domain Phil.pku.edu.cn.
Page size can be reduced by 331.1 kB (14%)
2.4 MB
2.0 MB
In fact, the total size of Phil.pku.edu.cn main page is 2.4 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. 30% of websites need less resources to load. Images take 2.0 MB which makes up the majority of the site volume.
Potential reduce by 27.7 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 11.6 kB, which is 35% 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 27.7 kB or 83% of the original size.
Potential reduce by 83.2 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. Phil Pku images are well optimized though.
Potential reduce by 136.6 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 136.6 kB or 76% of the original size.
Potential reduce by 83.6 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. Phil.pku.edu.cn needs all CSS files to be minified and compressed as it can save up to 83.6 kB or 83% of the original size.
Number of requests can be reduced by 6 (19%)
32
26
The browser has sent 32 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Phil Pku. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 4 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.
phil.pku.edu.cn
830 ms
phil.pku.edu.cn
1607 ms
style.css
515 ms
index.css
774 ms
font-awesome.min.css
1027 ms
font-awesome-ie7.min.css
1358 ms
logo_01.png
801 ms
logo_02.png
820 ms
btn01.png
832 ms
20230411095912383545.png
15285 ms
20240425172026729062.jpg
6142 ms
jquery-1.9.0.min.js
1882 ms
script.js
877 ms
jquery.flexslider-min.js
1529 ms
scrollreveal.js
2400 ms
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19523 ms
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4486 ms
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17903 ms
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5195 ms
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8491 ms
20190423182351341120.jpg
5698 ms
20231013214803347018.jpg
6317 ms
header_bg.png
5346 ms
search.png
5907 ms
sea.png
6114 ms
navline.png
6825 ms
nav_bg.png
6950 ms
mode04_bg.jpg
7366 ms
news_th.png
7387 ms
news_pic_bg.png
7939 ms
time.png
7947 ms
place.png
7957 ms
fontawesome-webfont.woff
8377 ms
flex_hover.png
7170 ms
lf.png
7179 ms
rt.png
7663 ms
phil.pku.edu.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.
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
<dl>'s do not contain only properly-ordered <dt> and <dd> groups, <script>, <template> or <div> elements.
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
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
phil.pku.edu.cn 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
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
Page has valid source maps
phil.pku.edu.cn 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 Phil.pku.edu.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 Phil.pku.edu.cn 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.
phil.pku.edu.cn
Open Graph description is not detected on the main page of Phil Pku. 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: