5.5 sec in total
636 ms
4.6 sec
225 ms
Welcome to tkchemi.co.kr homepage info - get ready to check Tkchemi best content for South Korea right away, or after learning these important things about tkchemi.co.kr
Visit tkchemi.co.krWe analyzed Tkchemi.co.kr page load time and found that the first response time was 636 ms and then it took 4.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.
tkchemi.co.kr performance score
name
value
score
weighting
Value6.1 s
3/100
10%
Value10.1 s
0/100
25%
Value15.8 s
0/100
10%
Value670 ms
44/100
30%
Value0.033
100/100
15%
Value11.7 s
18/100
10%
636 ms
599 ms
1609 ms
619 ms
1132 ms
Our browser made a total of 43 requests to load all elements on the main page. We found that all of those requests were addressed to Tkchemi.co.kr and no external sources were called. The less responsive or slowest element that took the longest time to load (1.6 sec) belongs to the original domain Tkchemi.co.kr.
Page size can be reduced by 259.0 kB (80%)
322.2 kB
63.2 kB
In fact, the total size of Tkchemi.co.kr main page is 322.2 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. Only 10% of websites need less resources to load. Javascripts take 290.9 kB which makes up the majority of the site volume.
Potential reduce by 170 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 170 B or 33% of the original size.
Potential reduce by 3.1 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, Tkchemi needs image optimization as it can save up to 3.1 kB or 27% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 238.9 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 238.9 kB or 82% of the original size.
Potential reduce by 16.8 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. Tkchemi.co.kr needs all CSS files to be minified and compressed as it can save up to 16.8 kB or 88% of the original size.
Number of requests can be reduced by 21 (51%)
41
20
The browser has sent 41 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Tkchemi. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 10 to 1 for JavaScripts and as a result speed up the page load time.
tkchemi.co.kr
636 ms
index.asp
599 ms
prototype_1.6.0.3.js
1609 ms
scriptaculous_1.8.1.js
619 ms
common_lib.js
1132 ms
common_menulink.js
690 ms
frt_main.css
724 ms
builder_1.8.1.js
199 ms
effects_1.8.1.js
205 ms
dragdrop_1.8.1.js
691 ms
controls_1.8.1.js
619 ms
slider_1.8.1.js
228 ms
sound_1.8.1.js
236 ms
cm_base.css
199 ms
cm_layout.css
218 ms
dn_board.css
238 ms
visual_bg01.gif
236 ms
visual_bg02.gif
622 ms
header_logo.png
247 ms
sMenu_menu01.gif
237 ms
sMenu_menu02.gif
231 ms
sMenu_menu03.gif
255 ms
sMenu_menu04.gif
483 ms
sMenu_menu05.gif
445 ms
tkc_tit01.gif
442 ms
cfnews_tit01.gif
484 ms
iushelltv3.gif
513 ms
iushelltv2.gif
656 ms
qm_tit01.gif
657 ms
qm_menu01.gif
709 ms
qm_menu03.gif
714 ms
qm_menu04.gif
745 ms
footer_logo.png
821 ms
footer_menu01.gif
862 ms
footer_menu02.gif
853 ms
footer_menu03.gif
949 ms
footer_menu04.gif
943 ms
footer_menu05.gif
975 ms
footer_menu06.gif
1022 ms
contents_bg01.gif
1043 ms
contents_bg02.gif
1058 ms
footer_menu_bar.gif
1162 ms
select01.gif
1150 ms
tkchemi.co.kr accessibility score
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
Background and foreground colors do not have a sufficient contrast ratio.
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
[id] attributes on active, focusable elements are not unique
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
Links do not have a discernible name
Tables and lists
These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.
Impact
Issue
Lists do not contain only <li> elements and script supporting elements (<script> and <template>).
List items (<li>) are not contained within <ul> or <ol> parent elements.
Best practices
These items highlight common accessibility best practices.
Impact
Issue
[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.
tkchemi.co.kr best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Includes front-end JavaScript libraries with known security vulnerabilities
Ensure CSP is effective against XSS attacks
User Experience
Impact
Issue
Displays images with incorrect aspect ratio
General
Impact
Issue
Detected JavaScript libraries
tkchemi.co.kr SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
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
Document uses legible font sizes
KO
N/A
EUC-KR
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Tkchemi.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 Tkchemi.co.kr 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.
tkchemi.co.kr
Open Graph description is not detected on the main page of Tkchemi. 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: