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lusem.com screenshot

Report Summary

  • 68

    Performance

    Renders faster than
    80% of other websites

  • 62

    Accessibility

    Visual factors better than
    that of 28% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 58

    SEO

    Google-friendlier than
    20% of websites

lusem.com

lusem.com

Page Load Speed

15.2 sec in total

First Response

1.4 sec

Resources Loaded

13.6 sec

Page Rendered

103 ms

lusem.com screenshot

About Website

Click here to check amazing Lusem content. Otherwise, check out these important facts you probably never knew about lusem.com

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Key Findings

We analyzed Lusem.com page load time and found that the first response time was 1.4 sec and then it took 13.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.

Performance Metrics

lusem.com performance score

68

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.2 s

20/100

10%

LCP (Largest Contentful Paint)

Value4.2 s

45/100

25%

SI (Speed Index)

Value9.0 s

15/100

10%

TBT (Total Blocking Time)

Value40 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value4.9 s

78/100

10%

Network Requests Diagram

lusem.com

1425 ms

loginForm.jsp;jsessionid=5B754FC09CC53506B9280DE3586D39E5

236 ms

base.css

237 ms

main.css

468 ms

login.css

697 ms

Our browser made a total of 15 requests to load all elements on the main page. We found that 7% of them (1 request) were addressed to the original Lusem.com, 93% (14 requests) were made to Pop.lusem.com. The less responsive or slowest element that took the longest time to load (8.2 sec) relates to the external source Pop.lusem.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 18.7 kB (75%)

Content Size

25.1 kB

After Optimization

6.4 kB

  • HTML
  • JavaScript
  • CSS

In fact, the total size of Lusem.com main page is 25.1 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 5% of websites need less resources to load. Javascripts take 9.3 kB which makes up the majority of the site volume.

HTML Optimization

-68%

Potential reduce by 4.7 kB

  • Original 6.9 kB
  • After minification 6.2 kB
  • After compression 2.2 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 4.7 kB or 68% of the original size.

JavaScript Optimization

-76%

Potential reduce by 7.1 kB

  • Original 9.3 kB
  • After minification 6.6 kB
  • After compression 2.2 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 7.1 kB or 76% of the original size.

CSS Optimization

-78%

Potential reduce by 6.9 kB

  • Original 8.8 kB
  • After minification 7.0 kB
  • After compression 1.9 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. Lusem.com needs all CSS files to be minified and compressed as it can save up to 6.9 kB or 78% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

13

After Optimization

13

  • Images
  • JavaScript
  • CSS

The browser has sent 13 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Lusem. According to our analytics all requests are already optimized.

Network Requests Diagram

lusem.com

lusem.com

1425 ms

loginForm.jsp;jsessionid=5B754FC09CC53506B9280DE3586D39E5

loginForm.jsp;jsessionid=5B754FC09CC53506B9280DE3586D39E5

236 ms

base.css

base.css

237 ms

main.css

main.css

468 ms

login.css

login.css

697 ms

jquery-1.11.0.js

jquery-1.11.0.js

8166 ms

jquery.placeholder.js

jquery.placeholder.js

713 ms

ez_ajax.js

ez_ajax.js

718 ms

login_btn.gif

login_btn.gif

232 ms

main_contentbox_r1.gif

main_contentbox_r1.gif

238 ms

main_contentbox_r2.gif

main_contentbox_r2.gif

234 ms

main_contentbox_r3.gif

main_contentbox_r3.gif

270 ms

main_contentbox_r4.gif

main_contentbox_r4.gif

239 ms

login_id_bg.gif

login_id_bg.gif

240 ms

login_pw_bg.gif

login_pw_bg.gif

448 ms

Accessibility Review

lusem.com accessibility score

62

Accessibility Issues

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

High

Document doesn't have a <title> element

High

<input type="image"> elements do not have [alt] text

High

Form elements do not have associated labels

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

lusem.com best practices score

67

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Displays images with incorrect aspect ratio

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

lusem.com SEO score

58

Search Engine Optimization Advices

Content Best Practices

Format your HTML in a way that enables crawlers to better understand your app’s content.

Impact

Issue

High

Document doesn't have a <title> element

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    KO

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Lusem.com can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it does not match the claimed Korean language. Our system also found out that Lusem.com 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

lusem.com

Open Graph description is not detected on the main page of Lusem. 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: