3.7 sec in total
40 ms
3.6 sec
132 ms
Welcome to archivesbb.nbclearn.com homepage info - get ready to check Archivesbb NBC Learn best content for United States right away, or after learning these important things about archivesbb.nbclearn.com
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Visit archivesbb.nbclearn.comWe analyzed Archivesbb.nbclearn.com page load time and found that the first response time was 40 ms and then it took 3.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.
archivesbb.nbclearn.com performance score
name
value
score
weighting
Value2.6 s
63/100
10%
Value15.1 s
0/100
25%
Value12.0 s
4/100
10%
Value4,360 ms
1/100
30%
Value0.074
95/100
15%
Value20.6 s
2/100
10%
40 ms
31 ms
950 ms
922 ms
890 ms
Our browser made a total of 41 requests to load all elements on the main page. We found that 5% of them (2 requests) were addressed to the original Archivesbb.nbclearn.com, 71% (29 requests) were made to Static.nbclearn.com and 10% (4 requests) were made to Cm.g.doubleclick.net. The less responsive or slowest element that took the longest time to load (2.2 sec) relates to the external source S7.addthis.com.
Page size can be reduced by 1.6 MB (78%)
2.1 MB
451.3 kB
In fact, the total size of Archivesbb.nbclearn.com main page is 2.1 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. 40% of websites need less resources to load. Javascripts take 1.7 MB which makes up the majority of the site volume.
Potential reduce by 108.1 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. 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 108.1 kB or 77% of the original size.
Potential reduce by 3.6 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, Archivesbb NBC Learn needs image optimization as it can save up to 3.6 kB or 18% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 1.3 MB
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 1.3 MB or 78% of the original size.
Potential reduce by 176.2 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. Archivesbb.nbclearn.com needs all CSS files to be minified and compressed as it can save up to 176.2 kB or 87% of the original size.
Number of requests can be reduced by 22 (69%)
32
10
The browser has sent 32 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Archivesbb NBC Learn. 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 5 to 1 for CSS and as a result speed up the page load time.
archivesbb.nbclearn.com
40 ms
BbHigherEd
31 ms
jquery-ui.css
950 ms
navigation.css
922 ms
aod_modal.css
890 ms
aod.css
934 ms
jquery.readonly.css
884 ms
jquery-1.8.3.js
832 ms
jquery-ui.js
840 ms
jquery.validate.min.js
845 ms
jquery.tools.tooltip.js
846 ms
jquery.form.js
849 ms
jquery.readonly.js
851 ms
jqModal.js
852 ms
jquery.cycle.all.min.js
855 ms
mashup_core.js
856 ms
validate_core.js
859 ms
validate_form.js
862 ms
s_code.js
1002 ms
addthis_widget.js
243 ms
swfobject.js
1001 ms
jquery.zclip.min.js
884 ms
jquery.corner.js
1018 ms
tipped.css
915 ms
tipped.js
921 ms
header-gradient.jpg
62 ms
flash-logo.jpg
62 ms
ui-bg_flat_75_ffffff_40x100.png
54 ms
300lo.json
25 ms
ui-bg_highlight-soft_75_cccccc_1x100.png
56 ms
ui-bg_glass_75_e6e6e6_1x400.png
58 ms
popup_button_bg.gif
59 ms
ui-bg_flat_0_aaaaaa_40x100.png
57 ms
sh.7c7179124ea24ac6ba46caac.html
52 ms
layers.3643cb2e25fb91c29386.js
2219 ms
datapair
40 ms
5 ms
pixel
22 ms
pixel
21 ms
pixel
18 ms
pixel
20 ms
archivesbb.nbclearn.com 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-*] attributes do not match their roles
[role]s are not contained by their required parent element
ARIA tooltip elements do not have accessible names.
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
[id] attributes on active, focusable elements are not unique
archivesbb.nbclearn.com 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
Browser errors were logged to the console
Missing source maps for large first-party JavaScript
archivesbb.nbclearn.com SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
EN
EN
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Archivesbb.nbclearn.com 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 Archivesbb.nbclearn.com 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.
archivesbb.nbclearn.com
Open Graph description is not detected on the main page of Archivesbb NBC Learn. 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: