1.3 sec in total
51 ms
906 ms
356 ms
Click here to check amazing Concrete content for United States. Otherwise, check out these important facts you probably never knew about concrete.org
The American Concrete Institute (ACI) is a leading authority and resource worldwide for the development and distribution of consensus-based standards, technical resources, educational programs, certif...
Visit concrete.orgWe analyzed Concrete.org page load time and found that the first response time was 51 ms and then it took 1.3 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.
concrete.org performance score
name
value
score
weighting
Value4.6 s
14/100
10%
Value8.1 s
2/100
25%
Value7.0 s
32/100
10%
Value2,110 ms
7/100
30%
Value1.541
0/100
15%
Value10.4 s
24/100
10%
51 ms
362 ms
12 ms
57 ms
114 ms
Our browser made a total of 47 requests to load all elements on the main page. We found that 83% of them (39 requests) were addressed to the original Concrete.org, 6% (3 requests) were made to Translate.googleapis.com and 4% (2 requests) were made to Stats.g.doubleclick.net. The less responsive or slowest element that took the longest time to load (362 ms) belongs to the original domain Concrete.org.
Page size can be reduced by 814.7 kB (37%)
2.2 MB
1.4 MB
In fact, the total size of Concrete.org main page is 2.2 MB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 60% of websites need less resources to load. Images take 1.1 MB which makes up the majority of the site volume.
Potential reduce by 70.3 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 15.0 kB, which is 17% 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 70.3 kB or 79% of the original size.
Potential reduce by 26.8 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. Concrete images are well optimized though.
Potential reduce by 536.0 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 536.0 kB or 66% of the original size.
Potential reduce by 181.7 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. Concrete.org needs all CSS files to be minified and compressed as it can save up to 181.7 kB or 83% of the original size.
Number of requests can be reduced by 19 (44%)
43
24
The browser has sent 43 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Concrete. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 15 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.
concrete.org
51 ms
www.concrete.org
362 ms
26d0bf5e357293fb420677d8dce29a0d.0.css
12 ms
12d881ff2168faf9969ab85b75c2dbec.0.js
57 ms
css
114 ms
skeleton.css
55 ms
global.css
100 ms
font-awesome.css
92 ms
WebResource.axd
104 ms
ScriptResource.axd
53 ms
Telerik.Web.UI.WebResource.axd
103 ms
60e25bcc7dd77439cd39a51a09de1c70.0.js
103 ms
element.js
187 ms
jquery.cycle2.min.js
94 ms
jquery.fitvids.js
106 ms
jquery.scrollTo-min.js
169 ms
script.js
167 ms
respond.min.js
179 ms
initWidgets.js
101 ms
dc.js
191 ms
aci-foundation.png
173 ms
aci-logo.png
173 ms
ajax-loader-red.gif
175 ms
social-sprite.png
172 ms
news_feb12_2016_img1.jpg
178 ms
news_jan28_2016_img1.jpg
177 ms
news_jan22_2016_img1.jpg
176 ms
news_2015-11-18_img1.jpg
184 ms
mucem.jpg
245 ms
EducatorPortal_08column.jpg
219 ms
EngPortal_08column.jpg
215 ms
ContractorPortal_08column.jpg
218 ms
StudentPortal_08column.jpg
216 ms
CP-60S15_Cover.jpg
246 ms
CP-91PACK_cover.jpg
247 ms
2016-MCP-books-and-USB.jpg
280 ms
USB.jpg
254 ms
2016-MCP-books-only.jpg
284 ms
CI_ACImagazine.png
280 ms
QQt14e8dY39u-eYBZmppwZ_TkvowlIOtbR7ePgFOpF4.ttf
204 ms
DotNetNukeAjaxShared.js
224 ms
translateelement.css
161 ms
main.js
188 ms
fontawesome-webfont.woff
139 ms
__utm.gif
20 ms
element_main.js
50 ms
widgets.js
31 ms
concrete.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.
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
[id] attributes on active, focusable elements are not unique
Heading elements are not in a sequentially-descending order
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
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.
concrete.org 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
concrete.org SEO score
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
Impact
Issue
Links do not have descriptive text
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
robots.txt is not valid
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
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Concrete.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 Concrete.org 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.
concrete.org
Open Graph description is not detected on the main page of Concrete. 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: