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lab.ouhk.edu.hk screenshot

Report Summary

  • 99

    Performance

    Renders faster than
    96% of other websites

  • 93

    Accessibility

    Visual factors better than
    that of 82% of websites

  • 77

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 62

    SEO

    Google-friendlier than
    22% of websites

lab.ouhk.edu.hk

lab.ouhk.edu.hk

Page Load Speed

3.7 sec in total

First Response

1.4 sec

Resources Loaded

2.3 sec

Page Rendered

107 ms

lab.ouhk.edu.hk screenshot

About Website

Click here to check amazing Lab Ou Hk content for Hong Kong. Otherwise, check out these important facts you probably never knew about lab.ouhk.edu.hk

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Key Findings

We analyzed Lab.ouhk.edu.hk page load time and found that the first response time was 1.4 sec and then it took 2.4 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 45% of websites can load faster.

Performance Metrics

lab.ouhk.edu.hk performance score

99

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value0.6 s

100/100

10%

LCP (Largest Contentful Paint)

Value0.6 s

100/100

25%

SI (Speed Index)

Value3.0 s

94/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.006

100/100

15%

TTI (Time to Interactive)

Value0.6 s

100/100

10%

Network Requests Diagram

lab.ouhk.edu.hk

1362 ms

green-monster.png

492 ms

brown-monster.png

656 ms

pink-monster.png

905 ms

blue-monster.png

907 ms

Our browser made a total of 6 requests to load all elements on the main page. We found that all of those requests were addressed to Lab.ouhk.edu.hk and no external sources were called. The less responsive or slowest element that took the longest time to load (1.4 sec) belongs to the original domain Lab.ouhk.edu.hk.

Page Optimization Overview & Recommendations

Page size can be reduced by 862 B (1%)

Content Size

63.4 kB

After Optimization

62.5 kB

  • HTML
  • Images

In fact, the total size of Lab.ouhk.edu.hk main page is 63.4 kB. This result falls within a vast category (top 1 000 000) of heavyweight, probably not optimized, and thus slow loading web pages. Only a small number of websites need less resources to load. Images take 61.8 kB which makes up the majority of the site volume.

HTML Optimization

-53%

Potential reduce by 862 B

  • Original 1.6 kB
  • After minification 1.6 kB
  • After compression 775 B

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 862 B or 53% of the original size.

Image Optimization

-0%

Potential reduce by 0 B

  • Original 61.8 kB
  • After minification 61.8 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. Lab Ou Hk images are well optimized though.

Requests Breakdown

We found no issues to fix!

Requests Now

5

After Optimization

5

  • Images

The browser has sent 5 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Lab Ou Hk. According to our analytics all requests are already optimized.

Network Requests Diagram

lab.ouhk.edu.hk

lab.ouhk.edu.hk

1362 ms

green-monster.png

green-monster.png

492 ms

brown-monster.png

brown-monster.png

656 ms

pink-monster.png

pink-monster.png

905 ms

blue-monster.png

blue-monster.png

907 ms

orange-monster.png

orange-monster.png

683 ms

Accessibility Review

lab.ouhk.edu.hk accessibility score

93

Accessibility Issues

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a [lang] attribute

Best Practices

lab.ouhk.edu.hk best practices score

77

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Serves images with low resolution

SEO Factors

lab.ouhk.edu.hk SEO score

62

Search Engine Optimization Advices

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

Page is blocked from indexing

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Lab.ouhk.edu.hk can be misinterpreted by Google and other search engines. Our service has detected that English 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 Lab.ouhk.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

lab.ouhk.edu.hk

Open Graph description is not detected on the main page of Lab Ou Hk. 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: