1.4 sec in total
229 ms
914 ms
274 ms
Welcome to ccsd21.org homepage info - get ready to check CCSD21 best content for United States right away, or after learning these important things about ccsd21.org
The purpose of District 21 schools is to provide a learning environment for all students to become lifelong learners and productive citizens.
Visit ccsd21.orgWe analyzed Ccsd21.org page load time and found that the first response time was 229 ms and then it took 1.2 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 20% of websites can load faster.
ccsd21.org performance score
name
value
score
weighting
Value3.5 s
36/100
10%
Value12.2 s
0/100
25%
Value10.1 s
9/100
10%
Value5,240 ms
0/100
30%
Value0.223
56/100
15%
Value21.4 s
1/100
10%
229 ms
61 ms
24 ms
9 ms
14 ms
Our browser made a total of 68 requests to load all elements on the main page. We found that 81% of them (55 requests) were addressed to the original Ccsd21.org, 10% (7 requests) were made to Use.typekit.net and 3% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (229 ms) belongs to the original domain Ccsd21.org.
Page size can be reduced by 616.3 kB (37%)
1.7 MB
1.1 MB
In fact, the total size of Ccsd21.org main page is 1.7 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. 70% of websites need less resources to load. Images take 830.3 kB which makes up the majority of the site volume.
Potential reduce by 60.9 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 60.9 kB or 74% of the original size.
Potential reduce by 17.7 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. CCSD21 images are well optimized though.
Potential reduce by 411.8 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 411.8 kB or 65% of the original size.
Potential reduce by 126.0 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. Ccsd21.org needs all CSS files to be minified and compressed as it can save up to 126.0 kB or 86% of the original size.
Number of requests can be reduced by 30 (48%)
62
32
The browser has sent 62 CSS, Javascripts, AJAX and image requests in order to completely render the main page of CCSD21. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 19 to 1 for JavaScripts and from 8 to 1 for CSS and as a result speed up the page load time.
ccsd21.org
229 ms
ctn2uqe.js
61 ms
analytics.js
24 ms
wp-emoji-release.min.js
9 ms
style.css
14 ms
home.css
62 ms
slider.css
39 ms
staff.css
29 ms
school-styles.scss
32 ms
timeline.css
28 ms
news_listing.css
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jquery.js
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jquery-migrate.min.js
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feed_cache.js
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core.min.js
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widget.min.js
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mouse.min.js
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draggable.min.js
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slider.js
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script.js
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emergency.js
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timeline.js
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news-listing.js
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effect.min.js
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wp-embed.min.js
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addthis_widget.js
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collect
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ccsd21.org
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logo2.png
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bars_menu2.png
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yellow_menu2.png
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ccsd21.png
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newone.png
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CCSD21-cover-web-optimized.jpg
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thinkpad_touch.jpg
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logo-home.png
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tweet1.png
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ccsd21wht.png
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admin-ajax.php
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admin-ajax.php
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quickcache.php
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300lo.json
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down.png
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130 ms
sh.7c7179124ea24ac6ba46caac.html
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Tasting-nutrition-108x108.jpg
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Eric-presenting-ICE-2016-108x108.jpg
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timeline-arrow.png
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New-Website-Homepage-Image-108x108.png
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news-placeholder.png
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Recognizing-Distinction-2016-web-108x108.jpg
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timeline-view-all.png
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p.gif
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ccsd21.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.
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
[id] attributes on active, focusable elements are not unique
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
Links do not have a discernible name
ccsd21.org best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
User Experience
Impact
Issue
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
ccsd21.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
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
N/A
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Ccsd21.org can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Ccsd21.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.
ccsd21.org
Open Graph description is not detected on the main page of CCSD21. 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: