1.6 sec in total
71 ms
1.4 sec
144 ms
Visit chemtrec.com now to see the best up-to-date CHEMTREC content for United States and also check out these interesting facts you probably never knew about chemtrec.com
Global solutions from CHEMTREC help organizations comply with industry regulations, safely transport hazardous materials, and enhance incident preparedness.
Visit chemtrec.comWe analyzed Chemtrec.com page load time and found that the first response time was 71 ms and then it took 1.5 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 30% of websites can load faster.
chemtrec.com performance score
name
value
score
weighting
Value2.6 s
64/100
10%
Value21.5 s
0/100
25%
Value6.7 s
36/100
10%
Value1,770 ms
10/100
30%
Value0.071
96/100
15%
Value21.2 s
1/100
10%
71 ms
398 ms
17 ms
17 ms
79 ms
Our browser made a total of 81 requests to load all elements on the main page. We found that 95% of them (77 requests) were addressed to the original Chemtrec.com, 2% (2 requests) were made to Ssl.google-analytics.com and 1% (1 request) were made to Test.chemtrec.com. The less responsive or slowest element that took the longest time to load (398 ms) belongs to the original domain Chemtrec.com.
Page size can be reduced by 1.4 MB (70%)
2.0 MB
591.3 kB
In fact, the total size of Chemtrec.com main page is 2.0 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. 50% of websites need less resources to load. Javascripts take 1.0 MB which makes up the majority of the site volume.
Potential reduce by 55.0 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 55.0 kB or 74% of the original size.
Potential reduce by 27.0 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. CHEMTREC images are well optimized though.
Potential reduce by 855.3 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 855.3 kB or 82% of the original size.
Potential reduce by 462.8 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. Chemtrec.com needs all CSS files to be minified and compressed as it can save up to 462.8 kB or 85% of the original size.
Number of requests can be reduced by 58 (76%)
76
18
The browser has sent 76 CSS, Javascripts, AJAX and image requests in order to completely render the main page of CHEMTREC. 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 from 42 to 1 for CSS and as a result speed up the page load time.
chemtrec.com
71 ms
default.aspx
398 ms
SocialMedia.css
17 ms
controls.css
17 ms
portal.css
79 ms
core.css
228 ms
styles.css
28 ms
homepage.css
55 ms
dsfix.js
82 ms
wpfix.js
24 ms
namefix.js
51 ms
MXDefault.css
52 ms
controls.js
303 ms
WebResource.axd
70 ms
ScriptResource.axd
74 ms
blank.debug.js
75 ms
element.js
82 ms
init.debug.js
177 ms
ScriptResource.axd
75 ms
ScriptResource.axd
78 ms
MXDefault.Default.css
161 ms
Telerik.css
27 ms
Telerik.MXDefault.css
37 ms
Ajax.css
17 ms
Calendar.css
23 ms
ComboBox.css
19 ms
Editor.css
41 ms
Grid.css
32 ms
ListView.css
16 ms
Menu.css
28 ms
MultiPage.css
21 ms
PanelBar.css
34 ms
Scheduler.css
72 ms
SchedulerRecurrenceEditor.css
35 ms
Slider.css
41 ms
TabStrip.css
52 ms
ToolTip.css
57 ms
TreeView.css
74 ms
Upload.css
76 ms
Window.css
66 ms
Calendar.MXDefault.css
80 ms
ComboBox.MXDefault.css
75 ms
Editor.MXDefault.css
77 ms
Grid.MXDefault.css
95 ms
ListView.MXDefault.css
76 ms
Menu.MXDefault.css
99 ms
PanelBar.MXDefault.css
88 ms
Scheduler.MXDefault.css
106 ms
SchedulerRecurrenceEditor.MXDefault.css
101 ms
Slider.MXDefault.css
110 ms
TabStrip.MXDefault.css
102 ms
ToolTip.MXDefault.css
109 ms
TreeView.MXDefault.css
110 ms
Upload.MXDefault.css
108 ms
Window.MXDefault.css
114 ms
exclamation.JPG
84 ms
chemtrec_logo.png
22 ms
btn_go.png
29 ms
WebResource.axd
11 ms
WebResource.axd
13 ms
WebResource.axd
14 ms
title_CurrentCustomers.png
23 ms
title_FutureCustomers.png
29 ms
title_EmergencyResponders2.png
30 ms
Facebook.png
28 ms
Twitter.png
29 ms
linked_in.png
34 ms
youtube.png
50 ms
gradient.png
40 ms
banner-back.jpg
40 ms
nav_gradient.png
40 ms
LeftNav_gradient.png
39 ms
header_gradient.png
39 ms
Cytec[1].gif
53 ms
Praxair[1].gif
53 ms
Bayer[2].gif
53 ms
ga.js
24 ms
__utm.gif
12 ms
collect
56 ms
loading.gif
11 ms
core.debug.js
194 ms
chemtrec.com accessibility score
ARIA
These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.
Impact
Issue
[aria-*] attributes do not match their roles
[aria-hidden="true"] elements contain focusable descendents
ARIA input fields do not have accessible names
Elements with an ARIA [role] that require children to contain a specific [role] are missing some or all of those required children.
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
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
Heading elements are not in a sequentially-descending order
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>).
chemtrec.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
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
chemtrec.com 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
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
N/A
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Chemtrec.com can be misinterpreted by Google and other search engines. Our service has detected that English 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 Chemtrec.com 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.
chemtrec.com
Open Graph description is not detected on the main page of CHEMTREC. 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: