785 ms in total
202 ms
412 ms
171 ms
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Visit chemconnections.orgWe analyzed Chemconnections.org page load time and found that the first response time was 202 ms and then it took 583 ms to load all DOM resources and completely render a web page. This is quite a good result, as only 10% of websites can load faster.
chemconnections.org performance score
name
value
score
weighting
Value0.6 s
100/100
10%
Value5.4 s
20/100
25%
Value0.6 s
100/100
10%
Value0 ms
100/100
30%
Value0
100/100
15%
Value0.6 s
100/100
10%
202 ms
66 ms
150 ms
148 ms
131 ms
Our browser made a total of 11 requests to load all elements on the main page. We found that all of those requests were addressed to Chemconnections.org and no external sources were called. The less responsive or slowest element that took the longest time to load (202 ms) belongs to the original domain Chemconnections.org.
Page size can be reduced by 4.8 kB (70%)
6.9 kB
2.1 kB
In fact, the total size of Chemconnections.org main page is 6.9 kB. This result falls within a vast category (top 1 000 000) of heavyweight, probably not optimized, and thus slow loading web pages. Only a small number of websites need less resources to load. HTML takes 6.9 kB which makes up the majority of the site volume.
Potential reduce by 4.8 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 1.1 kB, which is 16% 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 4.8 kB or 70% of the original size.
Number of requests can be reduced by 7 (70%)
10
3
The browser has sent 10 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Chemconnections. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests and as a result speed up the page load time.
chemconnections.org
202 ms
logo.gif
66 ms
welcome_title.gif
150 ms
menu_01-over.gif
148 ms
menu_02.gif
131 ms
menu_03.gif
133 ms
menu_04.gif
129 ms
menu_05.gif
131 ms
menu_06.gif
197 ms
menu_07.gif
197 ms
menu_09.gif
195 ms
chemconnections.org accessibility score
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
chemconnections.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
chemconnections.org SEO score
N/A
N/A
ISO-8859-1
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Chemconnections.org can be misinterpreted by Google and other search engines. Unfortunately we cannot identify language used on the page (probably there is a mix of languages, too little text or something else) and no language is claimed in <html> or <meta> tags either. Our system also found out that Chemconnections.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.
chemconnections.org
Open Graph description is not detected on the main page of Chemconnections. 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: