5.2 sec in total
1.2 sec
3.8 sec
209 ms
Welcome to dotech21.com homepage info - get ready to check Dotech 21 best content right away, or after learning these important things about dotech21.com
냉동공조,온도,습도,디지털컨트롤러,센서 국내 최고 제조전문기업
Visit dotech21.comWe analyzed Dotech21.com page load time and found that the first response time was 1.2 sec and then it took 4 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.
dotech21.com performance score
name
value
score
weighting
Value8.1 s
0/100
10%
Value23.5 s
0/100
25%
Value16.4 s
0/100
10%
Value70 ms
99/100
30%
Value0.276
44/100
15%
Value21.4 s
1/100
10%
1220 ms
224 ms
449 ms
459 ms
7 ms
Our browser made a total of 57 requests to load all elements on the main page. We found that 70% of them (40 requests) were addressed to the original Dotech21.com, 14% (8 requests) were made to Apis.google.com and 5% (3 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (2 sec) belongs to the original domain Dotech21.com.
Page size can be reduced by 98.4 kB (16%)
618.4 kB
520.0 kB
In fact, the total size of Dotech21.com main page is 618.4 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. Images take 471.3 kB which makes up the majority of the site volume.
Potential reduce by 20.2 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 20.2 kB or 74% of the original size.
Potential reduce by 10.4 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. Dotech 21 images are well optimized though.
Potential reduce by 63.6 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 63.6 kB or 56% of the original size.
Potential reduce by 4.2 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. Dotech21.com needs all CSS files to be minified and compressed as it can save up to 4.2 kB or 74% of the original size.
Number of requests can be reduced by 25 (45%)
55
30
The browser has sent 55 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Dotech 21. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 12 to 1 for JavaScripts and as a result speed up the page load time.
dotech21.com
1220 ms
common.js
224 ms
jquery-1.3.2.min.js
449 ms
main.css
459 ms
wcslog.js
7 ms
ga.js
37 ms
m
388 ms
bg_line.gif
224 ms
bg_quick.jpg
233 ms
q_data.gif
231 ms
q_inquiry.gif
446 ms
q_distributors.gif
462 ms
do_ex_ti.gif
462 ms
kofas.png
466 ms
logo.gif
467 ms
a1_36995_do_main_banner_201112_011.jpg
1428 ms
a3_10256_do_main_banner_201209_05.jpg
1109 ms
a4_10294_do_main_banner-03.jpg
1828 ms
contact.jpg
689 ms
twitter.jpg
696 ms
facebook-dotech.jpg
927 ms
bt_search.gif
920 ms
refrigeration.gif
930 ms
t_01.gif
1149 ms
sensor.gif
1161 ms
t_02.gif
1161 ms
digital_controller.gif
1328 ms
t_03.gif
1378 ms
air_compressor.gif
1393 ms
t_04.gif
1394 ms
monitoring_system.gif
1549 ms
t_05.gif
1614 ms
clean_room.gif
1625 ms
t_06.gif
1627 ms
product.gif
1660 ms
notice.gif
1770 ms
g_logo.gif
1843 ms
bg.gif
1840 ms
bg_top.gif
1842 ms
bg_menubar.jpg
1882 ms
bg_data.jpg
1974 ms
__utm.gif
21 ms
__utm.gif
7 ms
bg_search.gif
1967 ms
bg_site.gif
1988 ms
plusone.js
53 ms
m
466 ms
cb=gapi.loaded_0
9 ms
cb=gapi.loaded_1
29 ms
fastbutton
130 ms
postmessageRelay
40 ms
3193398744-postmessagerelay.js
16 ms
rpc:shindig_random.js
31 ms
cb=gapi.loaded_0
24 ms
cb=gapi.loaded_0
15 ms
cb=gapi.loaded_1
13 ms
W5F8_SL0XFawnjxHGsZjJA.ttf
19 ms
dotech21.com accessibility score
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
Buttons do not have an accessible name
<frame> or <iframe> elements do not have a title
Image elements do not have [alt] attributes
Links do not have a discernible name
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
Background and foreground colors do not have a sufficient contrast ratio.
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>).
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.
dotech21.com 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
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
Page has valid source maps
dotech21.com SEO score
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
Impact
Issue
Image elements do not have [alt] attributes
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
Tap targets are not sized appropriately
KO
KO
EUC-KR
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Dotech21.com can be misinterpreted by Google and other search engines. Our service has detected that Korean is used on the page, and it matches the claimed language. Our system also found out that Dotech21.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.
dotech21.com
Open Graph description is not detected on the main page of Dotech 21. 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: