Report Summary

  • 42

    Performance

    Renders faster than
    61% of other websites

  • 84

    Accessibility

    Visual factors better than
    that of 57% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    19% of websites

  • 67

    SEO

    Google-friendlier than
    25% of websites

jacoup.co.kr

▒중앙카프링, 동력전달용 카플링 전문 제작 업체, Jac coupling 중앙카플링▒

Page Load Speed

1.9 sec in total

First Response

877 ms

Resources Loaded

879 ms

Page Rendered

105 ms

jacoup.co.kr screenshot

About Website

Click here to check amazing Jac Oup content for South Korea. Otherwise, check out these important facts you probably never knew about jacoup.co.kr

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Visit jacoup.co.kr

Key Findings

We analyzed Jacoup.co.kr page load time and found that the first response time was 877 ms and then it took 984 ms to load all DOM resources and completely render a web page. This is quite a good result, as only 20% of websites can load faster.

Performance Metrics

jacoup.co.kr performance score

42

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value10.6 s

0/100

10%

LCP (Largest Contentful Paint)

Value23.1 s

0/100

25%

SI (Speed Index)

Value14.1 s

1/100

10%

TBT (Total Blocking Time)

Value240 ms

85/100

30%

CLS (Cumulative Layout Shift)

Value0.033

100/100

15%

TTI (Time to Interactive)

Value11.7 s

17/100

10%

Network Requests Diagram

jacoup.co.kr

877 ms

Our browser made a total of 1 request to load all elements on the main page. We found that all of those requests were addressed to Jacoup.co.kr and no external sources were called. The less responsive or slowest element that took the longest time to load (877 ms) belongs to the original domain Jacoup.co.kr.

Page Optimization Overview & Recommendations

Page size can be reduced by 8 B (8%)

Content Size

96 B

After Optimization

88 B

In fact, the total size of Jacoup.co.kr main page is 96 B. This result falls within the top 5000 of lightweight and thus fast loading web pages. Only a small number of websites need less resources to load. HTML takes 96 B which makes up the majority of the site volume.

HTML Optimization

-8%

Potential reduce by 8 B

  • Original 96 B
  • After minification 96 B
  • After compression 88 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. This web page is already compressed.

Requests Breakdown

We found no issues to fix!

Requests Now

0

After Optimization

0

Besides the initial HTML request, no CSS, Javascripts, AJAX or image files were requested in the course of web page rendering.

Accessibility Review

jacoup.co.kr accessibility score

84

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

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Best Practices

jacoup.co.kr best practices score

58

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

SEO Factors

jacoup.co.kr SEO score

67

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

    N/A

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Jacoup.co.kr 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 Jacoup.co.kr main page’s claimed encoding is . Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

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