3.2 sec in total
1.2 sec
1.9 sec
194 ms
Welcome to nctm.org homepage info - get ready to check Nctm best content for United States right away, or after learning these important things about nctm.org
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Visit nctm.orgWe analyzed Nctm.org page load time and found that the first response time was 1.2 sec and then it took 2.1 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 40% of websites can load faster.
nctm.org performance score
name
value
score
weighting
Value4.1 s
22/100
10%
Value5.8 s
15/100
25%
Value7.9 s
23/100
10%
Value1,080 ms
24/100
30%
Value0.368
29/100
15%
Value16.1 s
6/100
10%
1160 ms
9 ms
29 ms
41 ms
42 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 Nctm.org, 6% (4 requests) were made to Www5.smartadserver.com and 3% (2 requests) were made to Ct1.addthis.com. The less responsive or slowest element that took the longest time to load (1.2 sec) belongs to the original domain Nctm.org.
Page size can be reduced by 881.7 kB (34%)
2.6 MB
1.7 MB
In fact, the total size of Nctm.org main page is 2.6 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 1.5 MB which makes up the majority of the site volume.
Potential reduce by 113.3 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 24.1 kB, which is 17% 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 113.3 kB or 81% of the original size.
Potential reduce by 60.1 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. Nctm images are well optimized though.
Potential reduce by 477.4 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 477.4 kB or 68% of the original size.
Potential reduce by 230.9 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. Nctm.org needs all CSS files to be minified and compressed as it can save up to 230.9 kB or 80% of the original size.
Number of requests can be reduced by 33 (53%)
62
29
The browser has sent 62 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Nctm. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 27 to 1 for JavaScripts and from 8 to 1 for CSS and as a result speed up the page load time.
www.nctm.org
1160 ms
ektron.javascript.ashx
9 ms
ektron.stylesheet.ashx
29 ms
counter015.css
41 ms
widget120.css
42 ms
css
45 ms
bootstrap.min.css
28 ms
jquery.fancybox.css
33 ms
nctm-main.css
33 ms
css_browser_selector.js
36 ms
config.js
130 ms
smart.js
92 ms
analytics.js
22 ms
collect
12 ms
WebResource.axd
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ScriptResource.axd
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ScriptResource.axd
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satelliteLib-466d0e35693dcb63a724a9a3c1d534071b6758bb.js
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megamenu-ad-classroomresources(2).jpg
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megamenu-ad-publications(1).jpg
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Ad%20003.jpg
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research-confrence.jpg
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expositions.jpg
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GRANTS_Hover.jpg
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nominations.jpg
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jquery.min.js
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bootstrap.min.js
18 ms
jquery.fancybox.pack.js
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jquery.stickem.js
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custom-content-block.js
20 ms
jquery.bootpag.js
23 ms
jquery.mobile.custom.min.js
21 ms
browse-taxonomies.js
20 ms
nctm.bookmark.js
21 ms
nctm.login.js
22 ms
nctm.search.js
22 ms
nctm.cart.js
24 ms
nctm.twitter.js
22 ms
nctm.checkout.js
24 ms
INNOV8_carousel_Announcement.jpg
24 ms
NCTMKenKen_homepage2.jpg
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interactiveDallasCarousel_v2.jpg
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carousel_nomint_election-765x362A.png
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p536%20mar%202015%20.jpg
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Institutes_765x362_03_PtA.png
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mt2016_02-Cover_150.jpg
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September%202015%20COVER%20JSTOR.jpg
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mtms2016-02-Cover_200.jpg
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JRME%20Jan%20cover%20small.jpg
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TCM2016-02-Cover_200.jpg
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AttachmentHandler.ashx
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AttachmentHandler.ashx
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AttachmentHandler.ashx
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icn-cart-empty.png
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nctm-logo.png
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bg-spotlight.png
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icn-calendar.png
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ac
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nctm-print.css
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glyphicons-halflings-regular.woff
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ac
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social-sprite.png
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bg-twitter.png
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nctm-logo-footer.png
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52135.js
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sas-browser.js
18 ms
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8 ms
nctm.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.
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
nctm.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
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
Page has valid source maps
nctm.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
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
EN
EN
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Nctm.org 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 Nctm.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.
nctm.org
Open Graph description is not detected on the main page of Nctm. 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: