Report Summary

  • 77

    Performance

    Renders faster than
    85% of other websites

  • 80

    Accessibility

    Visual factors better than
    that of 50% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 58

    SEO

    Google-friendlier than
    20% of websites

Page Load Speed

4.2 sec in total

First Response

1.1 sec

Resources Loaded

2.9 sec

Page Rendered

213 ms

tdmc.co.kr screenshot

About Website

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Key Findings

We analyzed Tdmc.co.kr page load time and found that the first response time was 1.1 sec and then it took 3.1 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.

Performance Metrics

tdmc.co.kr performance score

77

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.6 s

63/100

10%

LCP (Largest Contentful Paint)

Value4.8 s

30/100

25%

SI (Speed Index)

Value4.0 s

81/100

10%

TBT (Total Blocking Time)

Value40 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.009

100/100

15%

TTI (Time to Interactive)

Value2.7 s

97/100

10%

Network Requests Diagram

tdmc.co.kr

1058 ms

style.css

400 ms

style.css

397 ms

style.css

396 ms

default.css

400 ms

Our browser made a total of 41 requests to load all elements on the main page. We found that all of those requests were addressed to Tdmc.co.kr and no external sources were called. The less responsive or slowest element that took the longest time to load (1.3 sec) belongs to the original domain Tdmc.co.kr.

Page Optimization Overview & Recommendations

Page size can be reduced by 266.6 kB (47%)

Content Size

572.0 kB

After Optimization

305.4 kB

In fact, the total size of Tdmc.co.kr main page is 572.0 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. 35% of websites need less resources to load. Images take 299.2 kB which makes up the majority of the site volume.

HTML Optimization

-91%

Potential reduce by 94.8 kB

  • Original 104.4 kB
  • After minification 64.5 kB
  • After compression 9.7 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. This page needs HTML code to be minified as it can gain 39.9 kB, which is 38% 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 94.8 kB or 91% of the original size.

Image Optimization

-18%

Potential reduce by 52.6 kB

  • Original 299.2 kB
  • After minification 246.6 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. Obviously, Tdmc needs image optimization as it can save up to 52.6 kB or 18% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-68%

Potential reduce by 88.8 kB

  • Original 129.7 kB
  • After minification 116.5 kB
  • After compression 40.9 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 88.8 kB or 68% of the original size.

CSS Optimization

-79%

Potential reduce by 30.4 kB

  • Original 38.7 kB
  • After minification 32.9 kB
  • After compression 8.2 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. Tdmc.co.kr needs all CSS files to be minified and compressed as it can save up to 30.4 kB or 79% of the original size.

Requests Breakdown

Number of requests can be reduced by 16 (41%)

Requests Now

39

After Optimization

23

The browser has sent 39 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Tdmc. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 5 to 1 for JavaScripts and from 8 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

tdmc.co.kr accessibility score

80

Accessibility Issues

Contrast

These are opportunities to improve the legibility of your content.

Impact

Issue

High

Background and foreground colors do not have a sufficient contrast ratio.

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

tdmc.co.kr 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

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

tdmc.co.kr 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

    N/A

  • Language Claimed

    KO

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Tdmc.co.kr can be misinterpreted by Google and other search engines. Unfortunately we cannot identify language used on the page (probably there is a mix of languages, too little text or something else), while the claimed language is Korean. Our system also found out that Tdmc.co.kr 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 description is not detected on the main page of Tdmc. 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: