Tools & Wizards About Us

Report Summary

  • 55

    Performance

    Renders faster than
    72% of other websites

  • 92

    Accessibility

    Visual factors better than
    that of 78% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 100

    SEO

    Google-friendlier than
    94% of websites

youngjinsa.com

The SA Group, Materials Electrochemistry Laboratory., 대한민국

Page Load Speed

2.5 sec in total

First Response

733 ms

Resources Loaded

1.7 sec

Page Rendered

94 ms

About Website

Welcome to youngjinsa.com homepage info - get ready to check Youngjin SA best content right away, or after learning these important things about youngjinsa.com

The SA group (Materials Electrochemistry Laboratory) makes effort to develop ACTIVE and SELECTIVE electrocatalysts on the basis of nanotechnology, material science, and electrochemistry.

Visit youngjinsa.com

Key Findings

We analyzed Youngjinsa.com page load time and found that the first response time was 733 ms and then it took 1.8 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

youngjinsa.com performance score

55

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.9 s

87/100

10%

LCP (Largest Contentful Paint)

Value6.1 s

12/100

25%

SI (Speed Index)

Value2.9 s

95/100

10%

TBT (Total Blocking Time)

Value550 ms

54/100

30%

CLS (Cumulative Layout Shift)

Value0.028

100/100

15%

TTI (Time to Interactive)

Value10.3 s

25/100

10%

Network Requests Diagram

www.youngjinsa.com

733 ms

minified.js

43 ms

focus-within-polyfill.js

74 ms

polyfill.min.js

746 ms

8875.e26292eb.bundle.min.js

72 ms

Our browser made a total of 14 requests to load all elements on the main page. We found that 7% of them (1 request) were addressed to the original Youngjinsa.com, 79% (11 requests) were made to Static.parastorage.com and 7% (1 request) were made to Polyfill-fastly.io. The less responsive or slowest element that took the longest time to load (746 ms) relates to the external source Polyfill-fastly.io.

Page Optimization Overview & Recommendations

Page size can be reduced by 267.2 kB (43%)

Content Size

616.4 kB

After Optimization

349.2 kB

  • HTML
  • JavaScript

In fact, the total size of Youngjinsa.com main page is 616.4 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. 45% of websites need less resources to load. HTML takes 344.9 kB which makes up the majority of the site volume.

HTML Optimization

-76%

Potential reduce by 263.0 kB

  • Original 344.9 kB
  • After minification 343.1 kB
  • After compression 81.9 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. 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 263.0 kB or 76% of the original size.

JavaScript Optimization

-2%

Potential reduce by 4.3 kB

  • Original 271.5 kB
  • After minification 271.5 kB
  • After compression 267.2 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. This website has mostly compressed JavaScripts.

Requests Breakdown

Number of requests can be reduced by 12 (92%)

Requests Now

13

After Optimization

1

  • JavaScript

The browser has sent 13 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Youngjin SA. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 13 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

youngjinsa.com accessibility score

92

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

Buttons do not have an accessible name

Best Practices

youngjinsa.com best practices score

92

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

youngjinsa.com SEO score

100

Search Engine Optimization Advices

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

High

Document uses legible font sizes

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 Youngjinsa.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 Youngjinsa.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

Open Graph data is detected on the main page of PARSED_DOMAIN, but there is no image specified in description. It would be a good idea for the website admin to select a nice image that can properly represent the website in Open Graph data, otherwise the first found image will be taken for this purpose and social media information block will look like this: