1.3 sec in total
15 ms
667 ms
667 ms
Welcome to nextgenscience.org homepage info - get ready to check Next Gen Science best content for United States right away, or after learning these important things about nextgenscience.org
Visit nextgenscience.orgWe analyzed Nextgenscience.org page load time and found that the first response time was 15 ms and then it took 1.3 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 25% of websites can load faster.
nextgenscience.org performance score
name
value
score
weighting
Value3.8 s
27/100
10%
Value11.1 s
0/100
25%
Value6.6 s
38/100
10%
Value1,520 ms
13/100
30%
Value0.015
100/100
15%
Value14.9 s
8/100
10%
15 ms
5 ms
6 ms
19 ms
25 ms
Our browser made a total of 42 requests to load all elements on the main page. We found that 62% of them (26 requests) were addressed to the original Nextgenscience.org, 7% (3 requests) were made to Netdna.bootstrapcdn.com and 7% (3 requests) were made to S.ytimg.com. The less responsive or slowest element that took the longest time to load (164 ms) relates to the external source Youtube.com.
Page size can be reduced by 1.5 MB (25%)
6.0 MB
4.5 MB
In fact, the total size of Nextgenscience.org main page is 6.0 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. 85% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Images take 4.6 MB which makes up the majority of the site volume.
Potential reduce by 58.1 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 58.1 kB or 72% of the original size.
Potential reduce by 461.4 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. Next Gen Science images are well optimized though.
Potential reduce by 482.3 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 482.3 kB or 65% of the original size.
Potential reduce by 468.7 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. Nextgenscience.org needs all CSS files to be minified and compressed as it can save up to 468.7 kB or 84% of the original size.
Number of requests can be reduced by 18 (47%)
38
20
The browser has sent 38 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Next Gen Science. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 14 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.
nextgenscience.org
15 ms
css_lQaZfjVpwP_oGNqdtWCSpJT1EMqXdMiU84ekLLxQnc4.css
5 ms
css_u9Cn6xFPfn6NvRqMGUV6k10stVTR4AGT7eontS75hX4.css
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css_Wu8npAzy16WmnnnWKxpexfgsAryolGGaX6yO3GWA5bU.css
19 ms
bootstrap.min.css
25 ms
css_f7oDCI1faynh8YRkReCMfiUzkoXlm1rZvKrU4l83oSA.css
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js_H7q2xORKmR9AN8Qx5spKEIBp7R_wG2apAswJoCUZY7I.js
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bootstrap.min.js
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addthis_widget.js
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analytics.js
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logo.png
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homepage_banner.jpg
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accordion_logo.png
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innovation.png
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unchanged.png
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base.js
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nextgenscience.org 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.
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
<frame> or <iframe> elements do not have a title
Image elements do not have [alt] attributes
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
Heading elements are not in a sequentially-descending order
nextgenscience.org 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
Browser errors were logged to the console
nextgenscience.org 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
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
EN
EN
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Nextgenscience.org 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 Nextgenscience.org 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.
nextgenscience.org
Open Graph description is not detected on the main page of Next Gen Science. 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: