3.9 sec in total
360 ms
3.3 sec
216 ms
Click here to check amazing Chemaxon content for United States. Otherwise, check out these important facts you probably never knew about chemaxon.com
Discover why over 1 million scientists, academics and researchers use our tools to streamline their workflows and power their scientific breakthroughs.
Visit chemaxon.comWe analyzed Chemaxon.com page load time and found that the first response time was 360 ms and then it took 3.5 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.
chemaxon.com performance score
name
value
score
weighting
Value2.8 s
57/100
10%
Value8.0 s
3/100
25%
Value3.3 s
91/100
10%
Value2,430 ms
5/100
30%
Value0.035
100/100
15%
Value14.3 s
9/100
10%
360 ms
1009 ms
728 ms
62 ms
129 ms
Our browser made a total of 37 requests to load all elements on the main page. We found that 41% of them (15 requests) were addressed to the original Chemaxon.com, 43% (16 requests) were made to Chemaxon.turbobytes.net and 5% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (1 sec) belongs to the original domain Chemaxon.com.
Page size can be reduced by 440.2 kB (52%)
849.4 kB
409.2 kB
In fact, the total size of Chemaxon.com main page is 849.4 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. 35% of websites need less resources to load. Javascripts take 392.5 kB which makes up the majority of the site volume.
Potential reduce by 31.3 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. 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 31.3 kB or 80% of the original size.
Potential reduce by 52.0 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. Obviously, Chemaxon needs image optimization as it can save up to 52.0 kB or 17% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 268.5 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 268.5 kB or 68% of the original size.
Potential reduce by 88.4 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. Chemaxon.com needs all CSS files to be minified and compressed as it can save up to 88.4 kB or 83% of the original size.
Number of requests can be reduced by 5 (19%)
26
21
The browser has sent 26 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Chemaxon. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 6 to 1 for JavaScripts and as a result speed up the page load time.
chemaxon.com
360 ms
www.chemaxon.com
1009 ms
www.chemaxon.com
728 ms
analytics.js
62 ms
hotjar-128602.js
129 ms
bebop.css
255 ms
jquery-1.10.2.min.js
489 ms
csulok.min.js
502 ms
cookie-consent.min.js
396 ms
collect
13 ms
collect
67 ms
modules-1f5c71aea63f8df71401422ed80fbe5f.js
29 ms
chemaxon-logo.png
148 ms
icon_about_news_120.png
155 ms
icon_free_academic_120.png
168 ms
icon_resources_blog_120.png
166 ms
cxn_clz.png
170 ms
petrbowl.png
229 ms
decima_nova_pro_light-webfont.woff
128 ms
fontawesome-webfont.woff
245 ms
noticiatext-regular-webfont.woff
261 ms
decima_nova_pro_bold-webfont.woff
261 ms
titilliumweb-regular-webfont.woff
262 ms
titilliumweb-bold-webfont.woff
366 ms
visit-data
222 ms
postgres.jpg
31 ms
c_calc.jpg
31 ms
marvin1.jpg
37 ms
cc_eugm15.jpg
33 ms
imgo.jpg
52 ms
plexus_suite.jpg
34 ms
biotoolkit.png
51 ms
mlive.png
57 ms
MarvinJS.jpg
58 ms
owl-acpack.jpg
63 ms
ChemAxon_f2ec2f20c8111b08023d625a566dd5e9.svg
147 ms
ChemAxon_f2ec2f20c8111b08023d625a566dd5e9.woff
126 ms
chemaxon.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-hidden="true"] elements contain focusable descendents
Elements with an ARIA [role] that require children to contain a specific [role] are missing some or all of those required children.
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
Internationalization and localization
These are opportunities to improve the interpretation of your content by users in different locales.
Impact
Issue
<html> element does not have a [lang] attribute
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
Image elements do not have [alt] attributes
Form elements do not have associated labels
Links do not have a discernible name
chemaxon.com best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
General
Impact
Issue
Detected JavaScript libraries
Page has valid source maps
chemaxon.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
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
EN
N/A
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Chemaxon.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 Chemaxon.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.
chemaxon.com
Open Graph description is not detected on the main page of Chemaxon. 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: