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lib.polyu.edu.hk screenshot

Report Summary

  • 0

    Performance

  • 0

    Accessibility

  • 0

    Best Practices

  • 0

    SEO

lib.polyu.edu.hk

Main Page | Pao Yue-kong Library, The Hong Kong Polytechnic University

Page Load Speed

7.3 sec in total

First Response

683 ms

Resources Loaded

6.1 sec

Page Rendered

468 ms

lib.polyu.edu.hk screenshot

About Website

Welcome to lib.polyu.edu.hk homepage info - get ready to check Lib Polyu best content for China right away, or after learning these important things about lib.polyu.edu.hk

The Library actively supports the University’s mission by providing integrated and timely access to high quality scholarly resources, an inspiring environment for intellectual growth and discovery, wi...

Visit lib.polyu.edu.hk

Key Findings

We analyzed Lib.polyu.edu.hk page load time and found that the first response time was 683 ms 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.

Performance Metrics

lib.polyu.edu.hk performance score

0

Network Requests Diagram

lib.polyu.edu.hk

683 ms

www.lib.polyu.edu.hk

1376 ms

css_ywqYrtSodM0qVMzAkOSnqZ_iBnAVpkSeD_yPtUN9tBk.css

441 ms

css_n2K-Su2W-Byywbl2LbDy8gJafH6_yNQ9UY-BLcsy94w.css

681 ms

css_PGbJgHCUCBf4dg7K9Kt8aAwsApndP4GZ9RuToPy3-Fk.css

670 ms

Our browser made a total of 38 requests to load all elements on the main page. We found that 76% of them (29 requests) were addressed to the original Lib.polyu.edu.hk, 5% (2 requests) were made to Vjs.zencdn.net and 5% (2 requests) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (2.4 sec) belongs to the original domain Lib.polyu.edu.hk.

Page Optimization Overview & Recommendations

Page size can be reduced by 251.1 kB (22%)

Content Size

1.1 MB

After Optimization

868.0 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Lib.polyu.edu.hk main page is 1.1 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. Javascripts take 505.8 kB which makes up the majority of the site volume.

HTML Optimization

-87%

Potential reduce by 132.2 kB

  • Original 151.1 kB
  • After minification 117.4 kB
  • After compression 18.9 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 33.7 kB, which is 22% 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 132.2 kB or 87% of the original size.

Image Optimization

-12%

Potential reduce by 53.9 kB

  • Original 448.2 kB
  • After minification 394.3 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, Lib Polyu needs image optimization as it can save up to 53.9 kB or 12% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-13%

Potential reduce by 64.4 kB

  • Original 505.8 kB
  • After minification 505.2 kB
  • After compression 441.3 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 64.4 kB or 13% of the original size.

CSS Optimization

-4%

Potential reduce by 494 B

  • Original 14.0 kB
  • After minification 14.0 kB
  • After compression 13.5 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. Lib.polyu.edu.hk has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 14 (48%)

Requests Now

29

After Optimization

15

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 29 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Lib Polyu. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 11 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

lib.polyu.edu.hk

lib.polyu.edu.hk

683 ms

www.lib.polyu.edu.hk

www.lib.polyu.edu.hk

1376 ms

css_ywqYrtSodM0qVMzAkOSnqZ_iBnAVpkSeD_yPtUN9tBk.css

css_ywqYrtSodM0qVMzAkOSnqZ_iBnAVpkSeD_yPtUN9tBk.css

441 ms

css_n2K-Su2W-Byywbl2LbDy8gJafH6_yNQ9UY-BLcsy94w.css

css_n2K-Su2W-Byywbl2LbDy8gJafH6_yNQ9UY-BLcsy94w.css

681 ms

css_PGbJgHCUCBf4dg7K9Kt8aAwsApndP4GZ9RuToPy3-Fk.css

css_PGbJgHCUCBf4dg7K9Kt8aAwsApndP4GZ9RuToPy3-Fk.css

670 ms

video-js.css

video-js.css

79 ms

css_l7_XP2v9C1FJQes5YeTusx_FkUWm-9sg9AOvwILYI0Y.css

css_l7_XP2v9C1FJQes5YeTusx_FkUWm-9sg9AOvwILYI0Y.css

2194 ms

jquery.min.js

jquery.min.js

30 ms

jquery-migrate-1.4.1.min.js

jquery-migrate-1.4.1.min.js

38 ms

js_GOikDsJOX04Aww72M-XK1hkq4qiL_1XgGsRdkL0XlDo.js

js_GOikDsJOX04Aww72M-XK1hkq4qiL_1XgGsRdkL0XlDo.js

684 ms

video.min.js

video.min.js

175 ms

js_hszwwrrikSPHNuXyyJmttvmTuQ-OM89uoQQRhI_Dwsg.js

js_hszwwrrikSPHNuXyyJmttvmTuQ-OM89uoQQRhI_Dwsg.js

2364 ms

js

js

67 ms

bc21f36b74.js

bc21f36b74.js

64 ms

jquery.responsiveTabs.min.js

jquery.responsiveTabs.min.js

457 ms

index.js

index.js

681 ms

analytics.js

analytics.js

210 ms

logo_library_1x.png

logo_library_1x.png

330 ms

fact-logo-1x.png

fact-logo-1x.png

441 ms

202105homepage_bg_updated.jpg

202105homepage_bg_updated.jpg

1864 ms

bg_tabs-panel.png

bg_tabs-panel.png

551 ms

img_one-search_85.png

img_one-search_85.png

331 ms

sprite_home-icon.png

sprite_home-icon.png

330 ms

sprite_home-icon.png

sprite_home-icon.png

611 ms

bg_home-row-top85.png

bg_home-row-top85.png

554 ms

bg-ft-top.png

bg-ft-top.png

552 ms

bg-ft-top-notch.png

bg-ft-top-notch.png

718 ms

btn-giving-no-border.png

btn-giving-no-border.png

776 ms

tagline-1x.png

tagline-1x.png

777 ms

sticky_menu_page_curl_v2.png

sticky_menu_page_curl_v2.png

777 ms

roboto-regular.woff

roboto-regular.woff

686 ms

roboto-light.woff

roboto-light.woff

794 ms

roboto-thin.woff

roboto-thin.woff

868 ms

roboto-medium.woff

roboto-medium.woff

868 ms

roboto-bold.woff

roboto-bold.woff

868 ms

wico.ttf

wico.ttf

963 ms

collect

collect

12 ms

js

js

40 ms

SEO Factors

lib.polyu.edu.hk SEO score

0

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Lib.polyu.edu.hk can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it matches the claimed language. Our system also found out that Lib.polyu.edu.hk 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.

Social Sharing Optimization

lib.polyu.edu.hk

Open Graph data is detected on the main page of Lib Polyu. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: