1.6 sec in total
173 ms
1.1 sec
325 ms
Welcome to dtcenter.org homepage info - get ready to check Dtcenter best content for Ukraine right away, or after learning these important things about dtcenter.org
The Developmental Testbed Center (DTC)
Visit dtcenter.orgWe analyzed Dtcenter.org page load time and found that the first response time was 173 ms and then it took 1.4 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 25% of websites can load faster.
dtcenter.org performance score
name
value
score
weighting
Value2.9 s
51/100
10%
Value4.0 s
48/100
25%
Value2.9 s
94/100
10%
Value360 ms
72/100
30%
Value0.145
77/100
15%
Value4.2 s
86/100
10%
173 ms
233 ms
65 ms
106 ms
107 ms
Our browser made a total of 41 requests to load all elements on the main page. We found that 88% of them (36 requests) were addressed to the original Dtcenter.org, 5% (2 requests) were made to Google.com and 5% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (457 ms) belongs to the original domain Dtcenter.org.
Page size can be reduced by 80.8 kB (9%)
901.0 kB
820.2 kB
In fact, the total size of Dtcenter.org main page is 901.0 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. 25% of websites need less resources to load. Images take 805.8 kB which makes up the majority of the site volume.
Potential reduce by 14.7 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 5.0 kB, which is 25% 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 14.7 kB or 75% of the original size.
Potential reduce by 18.3 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. Dtcenter images are well optimized though.
Potential reduce by 14.7 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 14.7 kB or 42% of the original size.
Potential reduce by 33.2 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. Dtcenter.org needs all CSS files to be minified and compressed as it can save up to 33.2 kB or 82% of the original size.
Number of requests can be reduced by 14 (41%)
34
20
The browser has sent 34 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Dtcenter. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 7 to 1 for JavaScripts and from 9 to 1 for CSS and as a result speed up the page load time.
dtcenter.org
173 ms
www.dtcenter.org
233 ms
universal_orgnav.css
65 ms
site_mainnav.css
106 ms
site_subnavigation.css
107 ms
ncar_subpage_layout.css
108 ms
ncar_class_styles2.css
108 ms
dtc_subpage_layout.css
109 ms
column_height_equal.js
110 ms
SpryTabbedPanels_ncarResearch.css
147 ms
SpryTabbedPanels.js
149 ms
SpryURLUtils.js
150 ms
popups.js
150 ms
vertical_menu2.js
152 ms
brand
17 ms
theme_program_adj.css
150 ms
brand
59 ms
ga.js
32 ms
google_custom_search_watermark.gif
74 ms
back.png
63 ms
ral_topcolorbar.jpg
61 ms
menu_downarrow.png
62 ms
menu_gradient.jpg
60 ms
ral_mainnavback_thin.jpg
58 ms
ral_button_mainnav_ON.jpg
90 ms
ral_homeleftback.png
97 ms
header.jpg
101 ms
subcontent_background2.jpg
95 ms
ral_pagefeatureback3.jpg
98 ms
dtc_theme4.jpg
179 ms
DTC1.jpg
132 ms
DTC2.jpg
457 ms
at.gif
135 ms
subcontent_background2.jpg
137 ms
bannerNew.png
138 ms
met_jnt.gif
172 ms
noaa.jpg
176 ms
AFlogo.png
218 ms
nsf.jpg
178 ms
__utm.gif
19 ms
ncar_printstyles.css
44 ms
dtcenter.org 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.
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
dtcenter.org best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
User Experience
Impact
Issue
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
dtcenter.org 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
Tap targets are not sized appropriately
EN
EN
ISO-8859-1
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Dtcenter.org can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it matches the claimed language. Our system also found out that Dtcenter.org main page’s claimed encoding is iso-8859-1. 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.
dtcenter.org
Open Graph description is not detected on the main page of Dtcenter. 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: