1.4 sec in total
92 ms
1.1 sec
160 ms
Visit sedl.org now to see the best up-to-date SEDL content for United States and also check out these interesting facts you probably never knew about sedl.org
SEDL is a nonprofit education research, development, and dissemination organization. Our services include cutting-edge professional development, turnaround consulting services, research and evaluation...
Visit sedl.orgWe analyzed Sedl.org page load time and found that the first response time was 92 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.
sedl.org performance score
name
value
score
weighting
Value2.7 s
59/100
10%
Value5.5 s
18/100
25%
Value2.7 s
96/100
10%
Value90 ms
99/100
30%
Value0.139
79/100
15%
Value4.4 s
84/100
10%
92 ms
290 ms
125 ms
87 ms
222 ms
Our browser made a total of 36 requests to load all elements on the main page. We found that 83% of them (30 requests) were addressed to the original Sedl.org, 6% (2 requests) were made to Relsouthwest.sedl.org and 6% (2 requests) were made to P.jwpcdn.com. The less responsive or slowest element that took the longest time to load (396 ms) belongs to the original domain Sedl.org.
Page size can be reduced by 283.5 kB (26%)
1.1 MB
811.0 kB
In fact, the total size of Sedl.org main page is 1.1 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. 25% of websites need less resources to load. Images take 790.1 kB which makes up the majority of the site volume.
Potential reduce by 38.1 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. This page needs HTML code to be minified as it can gain 10.7 kB, which is 23% 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 38.1 kB or 82% of the original size.
Potential reduce by 89.8 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. Obviously, SEDL needs image optimization as it can save up to 89.8 kB or 11% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 138.3 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 138.3 kB or 59% of the original size.
Potential reduce by 17.4 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. Sedl.org needs all CSS files to be minified and compressed as it can save up to 17.4 kB or 78% of the original size.
Number of requests can be reduced by 7 (21%)
34
27
The browser has sent 34 CSS, Javascripts, AJAX and image requests in order to completely render the main page of SEDL. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 8 to 1 for JavaScripts and as a result speed up the page load time.
sedl.org
92 ms
www.sedl.org
290 ms
sedl2012.css
125 ms
superfish.css
87 ms
jquery.js
222 ms
jssor.slider.min.js
183 ms
homepage_trigger.js
180 ms
jwplayer.js
260 ms
hoverIntent.js
119 ms
superfish.js
126 ms
sedl2012print.css
70 ms
background-gradient-blue-homepage.jpg
89 ms
sedl-logo-ffffff.jpg
89 ms
background-logo.png
89 ms
SEDL-Logo-AIR_AffiliateFinal-JustLogo.png
98 ms
spacer.gif
90 ms
navigation-menu-buttons.gif
91 ms
close.gif
95 ms
slide-AIR2014.jpg
322 ms
slide-gifted.jpg
253 ms
slide-rel-spotlight.jpg
331 ms
insights-spring2015.jpg
340 ms
slide-sedlmonthly-spotlight.jpg
326 ms
thumbnail-educator.jpg
166 ms
leftbar-bottom.gif
209 ms
leftbar-top.gif
254 ms
alert-overlay.png
294 ms
FM_Robin_sm.jpg
337 ms
FM_Mike_sm.jpg
336 ms
loading.gif
87 ms
jwpsrv.js
100 ms
background-footer.gif
332 ms
ga.js
60 ms
__utm.gif
14 ms
logo.png
31 ms
welcometosedl_vidcap.png
396 ms
sedl.org accessibility score
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
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
Form elements do not have associated labels
sedl.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
Displays images with incorrect aspect ratio
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
sedl.org SEO score
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
N/A
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Sedl.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 Sedl.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.
sedl.org
Open Graph description is not detected on the main page of SEDL. 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: