1.9 sec in total
495 ms
1.1 sec
239 ms
Click here to check amazing Learning Matters content for United States. Otherwise, check out these important facts you probably never knew about learningmatters.tv
Learning Matters, formerly a 501(c)(3) non-profit production company , is now part of Education Week. Watch our archived PBS NewsHour reports and documentari...
Visit learningmatters.tvWe analyzed Learningmatters.tv page load time and found that the first response time was 495 ms and then it took 1.4 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.
learningmatters.tv performance score
name
value
score
weighting
Value5.1 s
8/100
10%
Value10.3 s
0/100
25%
Value5.2 s
60/100
10%
Value1,080 ms
24/100
30%
Value0.004
100/100
15%
Value11.3 s
19/100
10%
495 ms
40 ms
79 ms
41 ms
41 ms
Our browser made a total of 73 requests to load all elements on the main page. We found that 86% of them (63 requests) were addressed to the original Learningmatters.tv, 7% (5 requests) were made to Imgssl.constantcontact.com and 4% (3 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (495 ms) belongs to the original domain Learningmatters.tv.
Page size can be reduced by 446.2 kB (46%)
979.0 kB
532.8 kB
In fact, the total size of Learningmatters.tv main page is 979.0 kB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 35% of websites need less resources to load. Images take 465.1 kB which makes up the majority of the site volume.
Potential reduce by 36.6 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 6.9 kB, which is 16% 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 36.6 kB or 84% of the original size.
Potential reduce by 54.2 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, Learning Matters needs image optimization as it can save up to 54.2 kB or 12% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 285.3 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 285.3 kB or 74% of the original size.
Potential reduce by 70.1 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. Learningmatters.tv needs all CSS files to be minified and compressed as it can save up to 70.1 kB or 83% of the original size.
Number of requests can be reduced by 47 (65%)
72
25
The browser has sent 72 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Learning Matters. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 24 to 1 for JavaScripts and from 14 to 1 for CSS and as a result speed up the page load time.
learningmatters.tv
495 ms
style.css
40 ms
style.css
79 ms
style.css
41 ms
site.css
41 ms
ui.tabs.css
42 ms
script.js
51 ms
core.js
58 ms
tabber.js
82 ms
prototype.js
120 ms
effects.js
82 ms
glider.js
70 ms
jquery.js
134 ms
ui.tabs.pack.js
89 ms
audio-player.js
92 ms
lightbox-gallery.css
95 ms
jquery.lightbox.css
98 ms
jquery.tooltip.css
107 ms
jquery.dimensions.js
111 ms
jquery.bgiframe.js
115 ms
jquery.lightbox.js
127 ms
jquery.tooltip.js
126 ms
lightbox-gallery.js
129 ms
swfobject.js
140 ms
jquery.js
141 ms
statistic.js
148 ms
minimal.css
149 ms
cforms.js
151 ms
tw-sack.js
150 ms
postratings-js.php
424 ms
postratings-css.css
153 ms
pagenavi-css.css
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polls-js-packed.js
160 ms
polls-css.css
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swfobject.js
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javabox
13 ms
calendar.css
26 ms
ga.js
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get_flash_player.gif
20 ms
tl_brdr2_trans.gif
102 ms
rating_over.gif
70 ms
top.gif
69 ms
middle.gif
69 ms
header8.jpg
138 ms
navbar.png
69 ms
subscribe.gif
68 ms
sped1-tn.jpg
137 ms
ruralbroadband-tn.jpg
135 ms
voced-tn.jpg
99 ms
ESSAtn.jpg
136 ms
CC2-tn.jpg
135 ms
NOLAtn.jpg
158 ms
def-thumb.gif
136 ms
prison-tn.png
145 ms
teachingtoday-tn.jpg
147 ms
ingersoll-tn.jpg
161 ms
epebutton.jpg
138 ms
lmiarchive.png
142 ms
podcasts.png
158 ms
docs.png
161 ms
webvideo.png
163 ms
socialmedia2.png
165 ms
thirteen.gif
176 ms
spacer.gif
83 ms
tr_brdr2_trans.gif
95 ms
bl_brdr2_trans.gif
130 ms
br_brdr2_trans.gif
105 ms
__utm.gif
16 ms
heading-bg.gif
118 ms
thumb-strip-news.png
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seeall-arrow.gif
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print.css
24 ms
learningmatters.tv 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-hidden="true"] elements contain focusable descendents
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
Heading elements are not in a sequentially-descending order
Internationalization and localization
These are opportunities to improve the interpretation of your content by users in different locales.
Impact
Issue
<html> element does not have a [lang] attribute
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.
learningmatters.tv 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
Browser errors were logged to the console
Missing source maps for large first-party JavaScript
learningmatters.tv SEO score
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
N/A
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Learningmatters.tv 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 Learningmatters.tv 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.
learningmatters.tv
Open Graph description is not detected on the main page of Learning Matters. 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: