3.1 sec in total
86 ms
2.5 sec
474 ms
Welcome to ctd.northwestern.edu homepage info - get ready to check Ctd Northwestern best content for United States right away, or after learning these important things about ctd.northwestern.edu
CTD at Northwestern University. Leader in gifted education since 1982. In-person and online academic acceleration and enrichment programs PreK – grade 12. Parents, educator programs.
Visit ctd.northwestern.eduWe analyzed Ctd.northwestern.edu page load time and found that the first response time was 86 ms and then it took 3 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.
ctd.northwestern.edu performance score
name
value
score
weighting
Value2.9 s
54/100
10%
Value3.3 s
69/100
25%
Value3.4 s
89/100
10%
Value3,460 ms
2/100
30%
Value0.011
100/100
15%
Value13.2 s
12/100
10%
86 ms
522 ms
23 ms
44 ms
45 ms
Our browser made a total of 79 requests to load all elements on the main page. We found that 70% of them (55 requests) were addressed to the original Ctd.northwestern.edu, 5% (4 requests) were made to F.vimeocdn.com and 3% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (1 sec) relates to the external source Wd-edge.sharethis.com.
Page size can be reduced by 1.3 MB (37%)
3.4 MB
2.2 MB
In fact, the total size of Ctd.northwestern.edu main page is 3.4 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 1.8 MB which makes up the majority of the site volume.
Potential reduce by 50.6 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 12.0 kB, which is 20% 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 50.6 kB or 84% of the original size.
Potential reduce by 9.7 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. Ctd Northwestern images are well optimized though.
Potential reduce by 613.4 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 613.4 kB or 72% of the original size.
Potential reduce by 600.0 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. Ctd.northwestern.edu needs all CSS files to be minified and compressed as it can save up to 600.0 kB or 90% of the original size.
Number of requests can be reduced by 49 (67%)
73
24
The browser has sent 73 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Ctd Northwestern. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 28 to 1 for JavaScripts and from 23 to 1 for CSS and as a result speed up the page load time.
ctd.northwestern.edu
86 ms
www.ctd.northwestern.edu
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system.base.css
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jquery.ui.core.min.css
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jquery.ui.theme.min.css
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jquery.ui.accordion.min.css
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date.css
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datepicker.1.7.css
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layout.css
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support.css
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jquery.min.js
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jquery.ui.core.min.js
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webform.js
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font-awesome.min.css
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buttons.js
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jquery.solarBox.js
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logo_small.png
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getAllAppDefault.esi
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ctd.northwestern.edu accessibility score
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
Links do not have a discernible name
ctd.northwestern.edu best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
General
Impact
Issue
Detected JavaScript libraries
Page has valid source maps
ctd.northwestern.edu 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
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
EN
EN
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Ctd.northwestern.edu 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 Ctd.northwestern.edu 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.
ctd.northwestern.edu
Open Graph description is not detected on the main page of Ctd Northwestern. 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: