3.1 sec in total
163 ms
2.7 sec
217 ms
Click here to check amazing Sof content for United States. Otherwise, check out these important facts you probably never knew about sof.edu
Visit sof.eduWe analyzed Sof.edu page load time and found that the first response time was 163 ms and then it took 3 sec to load all DOM resources and completely render a web page. This is a poor result, as 50% of websites can load faster.
sof.edu performance score
name
value
score
weighting
Value8.4 s
0/100
10%
Value21.1 s
0/100
25%
Value29.3 s
0/100
10%
Value630 ms
47/100
30%
Value0.81
4/100
15%
Value9.8 s
28/100
10%
163 ms
447 ms
662 ms
16 ms
26 ms
Our browser made a total of 78 requests to load all elements on the main page. We found that 85% of them (66 requests) were addressed to the original Sof.edu, 4% (3 requests) were made to S7.addthis.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) belongs to the original domain Sof.edu.
Page size can be reduced by 832.8 kB (55%)
1.5 MB
691.7 kB
In fact, the total size of Sof.edu main page is 1.5 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. 60% of websites need less resources to load. Javascripts take 859.1 kB which makes up the majority of the site volume.
Potential reduce by 94.7 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 94.7 kB or 78% of the original size.
Potential reduce by 9.3 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. Sof images are well optimized though.
Potential reduce by 568.3 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 568.3 kB or 66% of the original size.
Potential reduce by 160.3 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. Sof.edu needs all CSS files to be minified and compressed as it can save up to 160.3 kB or 84% of the original size.
Number of requests can be reduced by 50 (69%)
72
22
The browser has sent 72 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Sof. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 38 to 1 for JavaScripts and from 14 to 1 for CSS and as a result speed up the page load time.
sof.edu
163 ms
sof.edu
447 ms
www.sof.edu
662 ms
output.css
16 ms
skeleton-responsive.css
26 ms
formalize.css
48 ms
superfish.css
48 ms
layout.css
42 ms
style.css
50 ms
style-responsive.css
74 ms
font-awesome.min.css
42 ms
tooltipster.css
89 ms
cat-posts.css
55 ms
styles.css
56 ms
events_manager.css
66 ms
fiat-alert-style.css
69 ms
shortcodes.css
59 ms
jquery.js
70 ms
jquery-migrate.min.js
68 ms
core.min.js
74 ms
widget.min.js
86 ms
position.min.js
82 ms
mouse.min.js
79 ms
sortable.min.js
81 ms
datepicker.min.js
82 ms
menu.min.js
120 ms
autocomplete.min.js
123 ms
resizable.min.js
82 ms
draggable.min.js
118 ms
button.min.js
117 ms
dialog.min.js
127 ms
events-manager.js
134 ms
external-tracking.min.js
125 ms
common.js
127 ms
jquery.textfill.min.js
128 ms
jquery-ui.js
79 ms
jquery.cookie.js
169 ms
addthis_widget.js
78 ms
app.js
127 ms
superfish.min.js
126 ms
jquery.formalize.min.js
124 ms
jquery.jpanelmenu.min.js
123 ms
jquery.sticky.js
114 ms
jquery.panelslider.js
94 ms
jquery.fitvids.js
129 ms
jquery.stickyPanel.min.js
94 ms
jquery.hoverIntent.js
92 ms
jquery.tooltipster.min.js
121 ms
comment-reply.min.js
117 ms
jquery.form.min.js
117 ms
scripts.js
115 ms
analytics.js
168 ms
count.js
263 ms
bg-gray-gradient.png
678 ms
logo-mobile-school-of-the-future-new-york-city-public-school.png
710 ms
social-vimeo.png
679 ms
social-rss.png
678 ms
hero-mask.png
54 ms
School_of_the_Future_home-6.jpg
55 ms
School_of_the_Future_home-7.jpg
56 ms
School_of_the_Future_home-1.jpg
58 ms
arrow.png
56 ms
school-of-the-future-nyc-logo.png
56 ms
bg-blue-gradient.png
715 ms
logo-sof-nyc-horizontal.png
678 ms
linotype-tradegothicltpro-bd2.woff
619 ms
27D35A_1_0.woff
625 ms
27D35A_0_0.woff
625 ms
index.php
98 ms
300lo.json
105 ms
counter.5524cceca805eb4b9b2b.js
26 ms
arrow.png
515 ms
logo-mobile-school-of-the-future-new-york-city-public-school.png
1024 ms
sh.8e5f85691f9aaa082472a194.html
54 ms
collect
45 ms
site-by-coa-design.png
33 ms
shares.json
51 ms
shares.json
68 ms
sof.edu 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.
ARIA
These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.
Impact
Issue
ARIA IDs 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
Image elements do not have [alt] attributes
Links do not have a discernible name
Best practices
These items highlight common accessibility best practices.
Impact
Issue
[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.
sof.edu 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
Displays images with incorrect aspect ratio
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
sof.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
Tap targets are not sized appropriately
N/A
EN
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Sof.edu can be misinterpreted by Google and other search engines. Unfortunately we cannot identify language used on the page (probably there is a mix of languages, too little text or something else), while the claimed language is English. Our system also found out that Sof.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.
sof.edu
Open Graph description is not detected on the main page of Sof. 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: