Report Summary

  • 38

    Performance

    Renders faster than
    58% of other websites

  • 68

    Accessibility

    Visual factors better than
    that of 33% of websites

  • 50

    Best Practices

    More advanced features
    available than in
    18% of websites

  • 90

    SEO

    Google-friendlier than
    68% of websites

tschem.com

### Welcome to Taesung C & I.,Ltd ###

Page Load Speed

6.7 sec in total

First Response

1.1 sec

Resources Loaded

5.4 sec

Page Rendered

234 ms

tschem.com screenshot

About Website

Visit tschem.com now to see the best up-to-date Tschem content and also check out these interesting facts you probably never knew about tschem.com

Visit tschem.com

Key Findings

We analyzed Tschem.com page load time and found that the first response time was 1.1 sec and then it took 5.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster.

Performance Metrics

tschem.com performance score

38

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value6.8 s

1/100

10%

LCP (Largest Contentful Paint)

Value11.9 s

0/100

25%

SI (Speed Index)

Value11.9 s

4/100

10%

TBT (Total Blocking Time)

Value50 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.523

15/100

15%

TTI (Time to Interactive)

Value7.3 s

49/100

10%

Network Requests Diagram

tschem.com

1070 ms

index.php

792 ms

head.css

416 ms

flash.js

392 ms

menu_top_01_on.png

1090 ms

Our browser made a total of 64 requests to load all elements on the main page. We found that 66% of them (42 requests) were addressed to the original Tschem.com, 34% (22 requests) were made to Ibk.co.kr. The less responsive or slowest element that took the longest time to load (2.5 sec) belongs to the original domain Tschem.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 298.2 kB (80%)

Content Size

374.0 kB

After Optimization

75.8 kB

In fact, the total size of Tschem.com main page is 374.0 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. 15% of websites need less resources to load. Javascripts take 199.7 kB which makes up the majority of the site volume.

HTML Optimization

-22%

Potential reduce by 67 B

  • Original 301 B
  • After minification 297 B
  • After compression 234 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. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 67 B or 22% of the original size.

Image Optimization

-29%

Potential reduce by 6.3 kB

  • Original 21.8 kB
  • After minification 15.4 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, Tschem needs image optimization as it can save up to 6.3 kB or 29% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-81%

Potential reduce by 162.5 kB

  • Original 199.7 kB
  • After minification 145.2 kB
  • After compression 37.2 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 162.5 kB or 81% of the original size.

CSS Optimization

-85%

Potential reduce by 129.3 kB

  • Original 152.2 kB
  • After minification 127.9 kB
  • After compression 22.9 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. Tschem.com needs all CSS files to be minified and compressed as it can save up to 129.3 kB or 85% of the original size.

Requests Breakdown

Number of requests can be reduced by 36 (58%)

Requests Now

62

After Optimization

26

The browser has sent 62 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Tschem. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 6 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

tschem.com accessibility score

68

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

<frame> or <iframe> elements do not have a title

High

Links do not have a discernible name

Best practices

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

tschem.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

Displays images with incorrect aspect ratio

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

tschem.com SEO score

90

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

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    N/A

  • Language Claimed

    N/A

  • Encoding

    EUC-KR

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Tschem.com 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) and no language is claimed in <html> or <meta> tags either. Our system also found out that Tschem.com main page’s claimed encoding is euc-kr. 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 Tschem. 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: