4 sec in total
221 ms
1.9 sec
1.9 sec
Visit ngsslifescience.com now to see the best up-to-date NGSS Life Science content for United States and also check out these interesting facts you probably never knew about ngsslifescience.com
Science and engineering practices for high school & middle school science teachers. Includes free NGSS based science curriculum. NGSS Life Science
Visit ngsslifescience.comWe analyzed Ngsslifescience.com page load time and found that the first response time was 221 ms and then it took 3.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.
ngsslifescience.com performance score
name
value
score
weighting
Value2.1 s
81/100
10%
Value3.5 s
64/100
25%
Value4.0 s
81/100
10%
Value2,140 ms
6/100
30%
Value0.019
100/100
15%
Value4.8 s
79/100
10%
221 ms
87 ms
227 ms
155 ms
151 ms
Our browser made a total of 79 requests to load all elements on the main page. We found that 66% of them (52 requests) were addressed to the original Ngsslifescience.com, 9% (7 requests) were made to Apis.google.com and 5% (4 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (1.1 sec) belongs to the original domain Ngsslifescience.com.
Page size can be reduced by 619.2 kB (20%)
3.1 MB
2.5 MB
In fact, the total size of Ngsslifescience.com main page is 3.1 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. 65% of websites need less resources to load. Images take 2.4 MB which makes up the majority of the site volume.
Potential reduce by 39.1 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 39.1 kB or 72% of the original size.
Potential reduce by 99.6 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. NGSS Life Science images are well optimized though.
Potential reduce by 242.8 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 242.8 kB or 68% of the original size.
Potential reduce by 237.7 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. Ngsslifescience.com needs all CSS files to be minified and compressed as it can save up to 237.7 kB or 83% of the original size.
Number of requests can be reduced by 37 (51%)
73
36
The browser has sent 73 CSS, Javascripts, AJAX and image requests in order to completely render the main page of NGSS Life 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 21 to 1 for JavaScripts and from 8 to 1 for CSS and as a result speed up the page load time.
ngsslifescience.com
221 ms
style.css
87 ms
jquery.js
227 ms
superfish.js
155 ms
jquery.responsivemenu.js
151 ms
jquery.mobilemenu.js
151 ms
jquery.flexslider.js
161 ms
jquery.easing.1.3.js
162 ms
jquery.ui.totop.js
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script.js
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reset.css
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skeleton.css
154 ms
superfish.css
156 ms
flexslider.css
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ui.totop.css
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css
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body.png
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header.jpg
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science_practice_pedagogy.jpg
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ngsslifescience.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.
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
Heading elements are not in a sequentially-descending order
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
ngsslifescience.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
ngsslifescience.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
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
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 Ngsslifescience.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 Ngsslifescience.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.
ngsslifescience.com
Open Graph description is not detected on the main page of NGSS Life 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: