Tools & Wizards About Us
usimcert.com screenshot

Report Summary

  • 27

    Performance

    Renders faster than
    47% of other websites

  • 64

    Accessibility

    Visual factors better than
    that of 30% of websites

  • 50

    Best Practices

    More advanced features
    available than in
    18% of websites

  • 58

    SEO

    Google-friendlier than
    20% of websites

usimcert.com

USIM 스마트인증

Page Load Speed

2.9 sec in total

First Response

967 ms

Resources Loaded

1.8 sec

Page Rendered

131 ms

usimcert.com screenshot

About Website

Welcome to usimcert.com homepage info - get ready to check USIM Cert best content for South Korea right away, or after learning these important things about usimcert.com

Visit usimcert.com

Key Findings

We analyzed Usimcert.com page load time and found that the first response time was 967 ms and then it took 1.9 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 35% of websites can load faster.

Performance Metrics

usimcert.com performance score

27

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value6.1 s

3/100

10%

LCP (Largest Contentful Paint)

Value20.6 s

0/100

25%

SI (Speed Index)

Value9.2 s

13/100

10%

TBT (Total Blocking Time)

Value970 ms

28/100

30%

CLS (Cumulative Layout Shift)

Value0.025

100/100

15%

TTI (Time to Interactive)

Value11.6 s

18/100

10%

Network Requests Diagram

usimcert.com

967 ms

wcslog.js

6 ms

m

408 ms

usimcert.com

331 ms

m

449 ms

Our browser made a total of 5 requests to load all elements on the main page. We found that 40% of them (2 requests) were addressed to the original Usimcert.com, 40% (2 requests) were made to Wcs.naver.com and 20% (1 request) were made to Wcs.naver.net. The less responsive or slowest element that took the longest time to load (967 ms) belongs to the original domain Usimcert.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 16.3 kB (67%)

Content Size

24.5 kB

After Optimization

8.1 kB

  • HTML
  • JavaScript

In fact, the total size of Usimcert.com main page is 24.5 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. Javascripts take 23.4 kB which makes up the majority of the site volume.

HTML Optimization

-55%

Potential reduce by 574 B

  • Original 1.1 kB
  • After minification 888 B
  • After compression 479 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. This page needs HTML code to be minified as it can gain 165 B, which is 16% 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 574 B or 55% of the original size.

JavaScript Optimization

-67%

Potential reduce by 15.8 kB

  • Original 23.4 kB
  • After minification 23.4 kB
  • After compression 7.7 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 15.8 kB or 67% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

4

After Optimization

4

  • AJAX
  • Images
  • JavaScript

The browser has sent 4 CSS, Javascripts, AJAX and image requests in order to completely render the main page of USIM Cert. According to our analytics all requests are already optimized.

Network Requests Diagram

usimcert.com

usimcert.com

967 ms

wcslog.js

wcslog.js

6 ms

m

m

408 ms

usimcert.com

usimcert.com

331 ms

m

m

449 ms

Accessibility Review

usimcert.com accessibility score

64

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

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

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Best Practices

usimcert.com best practices score

50

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

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

usimcert.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

Image elements do not have [alt] attributes

Language and Encoding

  • Language Detected

    KO

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Usimcert.com can be misinterpreted by Google and other search engines. Our service has detected that Korean 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 Usimcert.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

usimcert.com

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