2.8 sec in total
912 ms
1.6 sec
275 ms
Welcome to aapt.org homepage info - get ready to check AAPT best content for United States right away, or after learning these important things about aapt.org
American Association of Physics Teachers - AAPT.org
Visit aapt.orgWe analyzed Aapt.org page load time and found that the first response time was 912 ms and then it took 1.8 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 35% of websites can load faster. This domain responded with an error, which can significantly jeopardize Aapt.org rating and web reputation
aapt.org performance score
name
value
score
weighting
Value4.8 s
12/100
10%
Value14.8 s
0/100
25%
Value6.8 s
34/100
10%
Value390 ms
69/100
30%
Value0.022
100/100
15%
Value12.5 s
14/100
10%
912 ms
15 ms
16 ms
37 ms
34 ms
Our browser made a total of 55 requests to load all elements on the main page. We found that 91% of them (50 requests) were addressed to the original Aapt.org, 4% (2 requests) were made to Google-analytics.com and 2% (1 request) were made to Cse.google.com. The less responsive or slowest element that took the longest time to load (1.1 sec) belongs to the original domain Aapt.org.
Page size can be reduced by 1.2 MB (63%)
1.8 MB
686.1 kB
In fact, the total size of Aapt.org main page is 1.8 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 1.2 MB which makes up the majority of the site volume.
Potential reduce by 116.5 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 116.5 kB or 74% of the original size.
Potential reduce by 701.7 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, AAPT needs image optimization as it can save up to 701.7 kB or 57% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 265.3 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 265.3 kB or 71% of the original size.
Potential reduce by 72.1 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. Aapt.org needs all CSS files to be minified and compressed as it can save up to 72.1 kB or 84% of the original size.
Number of requests can be reduced by 28 (54%)
52
24
The browser has sent 52 CSS, Javascripts, AJAX and image requests in order to completely render the main page of AAPT. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 14 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.
aapt.org
912 ms
reset-min.css
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jquery.css
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style.css
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aapt.css
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browser-all.js
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commonspot.css
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home.css
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jquery-ui-1.8.2.custom.min.js
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aapt.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 input fields do not have accessible names
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
aapt.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
aapt.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
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
EN
ISO-8859-1
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Aapt.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 Aapt.org main page’s claimed encoding is iso-8859-1. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.
aapt.org
Open Graph description is not detected on the main page of AAPT. 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: