7.9 sec in total
589 ms
6.7 sec
609 ms
Welcome to chemistrycrossing.com homepage info - get ready to check Chemistry Crossing best content right away, or after learning these important things about chemistrycrossing.com
Looking for Chemistry Jobs, Chemist Biochemistry Jobs, Organic Analytical Jobs? Search jobs in Chemistry as biochemistry organic analytical medicinal environmental physical lab in lecturer inorganic g...
Visit chemistrycrossing.comWe analyzed Chemistrycrossing.com page load time and found that the first response time was 589 ms and then it took 7.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 80% of websites can load faster.
chemistrycrossing.com performance score
name
value
score
weighting
Value3.1 s
45/100
10%
Value3.2 s
72/100
25%
Value3.9 s
82/100
10%
Value1,190 ms
21/100
30%
Value0.555
13/100
15%
Value8.0 s
42/100
10%
589 ms
2184 ms
41 ms
55 ms
73 ms
Our browser made a total of 83 requests to load all elements on the main page. We found that 0% of them (0 request) were addressed to the original Chemistrycrossing.com, 22% (18 requests) were made to Fonts.gstatic.com and 7% (6 requests) were made to Media.employmentscape.com. The less responsive or slowest element that took the longest time to load (2.2 sec) relates to the external source Employmentcrossing.com.
Page size can be reduced by 253.7 kB (48%)
531.6 kB
277.9 kB
In fact, the total size of Chemistrycrossing.com main page is 531.6 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. 50% of websites need less resources to load. HTML takes 230.5 kB which makes up the majority of the site volume.
Potential reduce by 200.1 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 48.3 kB, which is 21% 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 200.1 kB or 87% of the original size.
Potential reduce by 5.1 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. Chemistry Crossing images are well optimized though.
Potential reduce by 45.9 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 45.9 kB or 23% of the original size.
Potential reduce by 2.7 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. Chemistrycrossing.com has all CSS files already compressed.
Number of requests can be reduced by 35 (58%)
60
25
The browser has sent 60 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Chemistry Crossing. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 23 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.
{{url}}
{{time}} ms
chemistrycrossing.com 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.
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
<dl>'s do not contain only properly-ordered <dt> and <dd> groups, <script>, <template> or <div> elements.
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
Form elements do not have associated labels
Links do not have a discernible name
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
Some elements have a [tabindex] value greater than 0
chemistrycrossing.com best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Requests the notification permission on page load
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
chemistrycrossing.com SEO score
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 Chemistrycrossing.com 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 Chemistrycrossing.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.
{{og_description}}
chemistrycrossing.com
Open Graph data is detected on the main page of Chemistry Crossing. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: