9.3 sec in total
97 ms
9 sec
148 ms
Visit nih.org now to see the best up-to-date Nih content for United States and also check out these interesting facts you probably never knew about nih.org
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Visit nih.orgWe analyzed Nih.org page load time and found that the first response time was 97 ms and then it took 9.2 sec to load all DOM resources and completely render a web page. This is a poor result, as 85% of websites can load faster.
nih.org performance score
name
value
score
weighting
Value2.3 s
75/100
10%
Value12.3 s
0/100
25%
Value6.4 s
40/100
10%
Value1,090 ms
24/100
30%
Value0
100/100
15%
Value9.7 s
29/100
10%
97 ms
6162 ms
8 ms
50 ms
81 ms
Our browser made a total of 77 requests to load all elements on the main page. We found that 79% of them (61 requests) were addressed to the original Nih.org, 16% (12 requests) were made to Pictures.fasthealth.com and 3% (2 requests) were made to Google.com. The less responsive or slowest element that took the longest time to load (6.2 sec) belongs to the original domain Nih.org.
Page size can be reduced by 333.3 kB (8%)
4.3 MB
4.0 MB
In fact, the total size of Nih.org main page is 4.3 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 4.0 MB which makes up the majority of the site volume.
Potential reduce by 38.8 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 38.8 kB or 82% of the original size.
Potential reduce by 155.8 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. Nih images are well optimized though.
Potential reduce by 98.8 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 98.8 kB or 66% of the original size.
Potential reduce by 39.9 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. Nih.org needs all CSS files to be minified and compressed as it can save up to 39.9 kB or 80% of the original size.
Number of requests can be reduced by 12 (16%)
74
62
The browser has sent 74 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Nih. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 9 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.
nih.org
97 ms
www.nih.org
6162 ms
font-awesome.min.css
8 ms
prefixfree.min.js
50 ms
style.php
81 ms
css.css
68 ms
jquery.js
99 ms
jquery-cookie.js
352 ms
jquery-translate.js
172 ms
jquery-vticker.js
216 ms
jquery.jcarousel.min.js
217 ms
toolbox.js
217 ms
startup.js
316 ms
brand
17 ms
brand
27 ms
style.php
271 ms
css.css
1461 ms
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200 ms
120917.png
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featurebar_icon_textsize_label.png
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featurebar_icon_textsize_smaller.png
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featurebar_icon_textsize_normal.png
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featurebar_icon_textsize_larger.png
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featurebar_icon_separator.png
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featurebar_icon_print.png
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featurebar_icon_email.png
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announcement_background_image.gif
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nih.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-hidden="true"] elements contain focusable descendents
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
Background and foreground colors do not have a sufficient contrast ratio.
nih.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
General
Impact
Issue
Detected JavaScript libraries
nih.org 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
EN
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Nih.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 Nih.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.
nih.org
Open Graph description is not detected on the main page of Nih. 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: