9.7 sec in total
210 ms
8.7 sec
717 ms
Welcome to covalentdata.com homepage info - get ready to check Covalentdata best content for United States right away, or after learning these important things about covalentdata.com
Aggregating the world's patents, patent applications, research grants, technology and inventors allowing universities and companies to showcase and share influential technologies and research.
Visit covalentdata.comWe analyzed Covalentdata.com page load time and found that the first response time was 210 ms and then it took 9.5 sec to load all DOM resources and completely render a web page. This is a poor result, as 85% of websites can load faster.
covalentdata.com performance score
name
value
score
weighting
Value2.6 s
63/100
10%
Value5.0 s
26/100
25%
Value2.8 s
96/100
10%
Value1,280 ms
18/100
30%
Value0
100/100
15%
Value5.3 s
73/100
10%
210 ms
62 ms
45 ms
84 ms
8106 ms
Our browser made a total of 92 requests to load all elements on the main page. We found that 22% of them (20 requests) were addressed to the original Covalentdata.com, 66% (61 requests) were made to D2uk1wcj6thjnw.cloudfront.net and 5% (5 requests) were made to Maps.googleapis.com. The less responsive or slowest element that took the longest time to load (8.1 sec) belongs to the original domain Covalentdata.com.
Page size can be reduced by 1.0 MB (39%)
2.6 MB
1.6 MB
In fact, the total size of Covalentdata.com main page is 2.6 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. Images take 1.6 MB which makes up the majority of the site volume.
Potential reduce by 65.1 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. 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 65.1 kB or 74% of the original size.
Potential reduce by 356.5 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, Covalentdata needs image optimization as it can save up to 356.5 kB or 22% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 436.0 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 436.0 kB or 63% of the original size.
Potential reduce by 152.6 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. Covalentdata.com needs all CSS files to be minified and compressed as it can save up to 152.6 kB or 84% of the original size.
Number of requests can be reduced by 8 (25%)
32
24
The browser has sent 32 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Covalentdata. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 9 to 1 for JavaScripts and as a result speed up the page load time.
covalentdata.com
210 ms
marketing-db92b83d4f49335ac358031bbcbda59dd0cdfe811ab95eb74c0f49ceea3ccf3d.css
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addthis_widget.js
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js
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marketing-dad7ebf80e3ac553ec945e9e9e51892255e7f81effcb74af151129c46d6b7110.js
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css
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analytics.js
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common.js
16 ms
util.js
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stats.js
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AuthenticationService.Authenticate
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300lo.json
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covalentdata.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.
covalentdata.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
User Experience
Impact
Issue
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
Missing source maps for large first-party JavaScript
covalentdata.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 Covalentdata.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 Covalentdata.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.
covalentdata.com
Open Graph description is not detected on the main page of Covalentdata. 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: