1.9 sec in total
149 ms
1.5 sec
208 ms
Visit nhm.org now to see the best up-to-date Nhm content for China and also check out these interesting facts you probably never knew about nhm.org
Discover the wonders of our natural and cultural worlds through captivating exhibits like our renowned Dino Hall, ancient artifacts, blooming nature gardens, interactive learning labs, and more. Get n...
Visit nhm.orgWe analyzed Nhm.org page load time and found that the first response time was 149 ms and then it took 1.7 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 30% of websites can load faster.
nhm.org performance score
name
value
score
weighting
Value5.3 s
7/100
10%
Value12.0 s
0/100
25%
Value6.2 s
44/100
10%
Value840 ms
34/100
30%
Value0.35
31/100
15%
Value10.9 s
21/100
10%
149 ms
149 ms
358 ms
254 ms
110 ms
Our browser made a total of 137 requests to load all elements on the main page. We found that 44% of them (60 requests) were addressed to the original Nhm.org, 4% (6 requests) were made to Px.owneriq.net and 4% (6 requests) were made to P.rfihub.com. The less responsive or slowest element that took the longest time to load (364 ms) belongs to the original domain Nhm.org.
Page size can be reduced by 487.1 kB (28%)
1.7 MB
1.2 MB
In fact, the total size of Nhm.org main page is 1.7 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. Images take 1.1 MB which makes up the majority of the site volume.
Potential reduce by 19.8 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 19.8 kB or 75% of the original size.
Potential reduce by 25.5 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. Nhm images are well optimized though.
Potential reduce by 294.3 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 294.3 kB or 66% of the original size.
Potential reduce by 147.6 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. Nhm.org needs all CSS files to be minified and compressed as it can save up to 147.6 kB or 83% of the original size.
Number of requests can be reduced by 88 (72%)
122
34
The browser has sent 122 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Nhm. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 20 to 1 for JavaScripts and from 13 to 1 for CSS and as a result speed up the page load time.
nhm.org
149 ms
www.nhm.org
149 ms
358 ms
jquery-1.9.1.min.js
254 ms
drupal.js
110 ms
jquery-ui-1.9.2.min.js
364 ms
jquery.clearinginput.min.js
75 ms
header.js
75 ms
alerts.min.js
109 ms
sliderupdate.css
146 ms
jquery-ui-1.7.2.custom.css
208 ms
datepicker.1.7.css
143 ms
jquery.timeentry.css
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lightbox.css
180 ms
views.css
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popups.css
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popups-skin.css
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funky-tabs.css
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base.css
276 ms
nodes.css
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gnav.css
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fittext.js
253 ms
gnav.min.js
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jquery-visibility.js
190 ms
sliderUpdate.min.js
227 ms
conversion.js
16 ms
oct.js
5 ms
analytics.js
34 ms
fbevents.js
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nhm_print.css
55 ms
activityi;src=4331666;type=landi191;cat=NHMLa0;ord=6031617664266.378
39 ms
nhm-logo.png
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hart-logo.png
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NHM_logo.gif
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loader.gif
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NHM_Website_Homepage_Icons-03.svg
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NHM-Home-Page-Visit.jpg
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NHM-Home-Page-Exhibits.jpg
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NHM-Home-Page-Events.jpg
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NHM-Home-Page-Research.jpg
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NHM-Home-Page-Nature.jpg
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NHM-Home-Page-Teachers.jpg
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tarpits_footer_inst_partners_TWC_JPM_justlogos.png
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twitter.jpg
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facebook.jpg
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instagram.jpg
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youtube.jpg
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pinterest.jpg
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lacountrypa_icon.gif
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NHM_HDYM_Web-Slider-UPDATED-1.jpg
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NHM_First-Fridays_2016_March_Web-Slider.jpg
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LBTP_Spring%20AIN_2016_Web%20Slider_ALT.jpg
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NHM_FY16-Membership_Web-Slider.jpg
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prev_shadow.svg
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next_shadow.svg
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conversion.gif
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cxg7hf.js
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tre
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tc.min.js
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bcP.js
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KievitOT-Bold_gdi.woff
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linkid.js
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ecommerce.js
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adsct
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adsct
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tarpits-logo.png
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nhm_website_homepage_icons-03.svg
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nhm_website_homepage_icons-02.svg
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ca.html
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collect
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hbjs
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nhm_website_homepage_icons-01.svg
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ca.html
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creativeid=101,placement=305549
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pixel
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adb.gif
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nhm.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-*] attributes do not match their roles
Elements with an ARIA [role] that require children to contain a specific [role] are missing some or all of those required children.
ARIA IDs are not unique
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
Background and foreground colors do not have a sufficient contrast ratio.
nhm.org 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
nhm.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
EN
N/A
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Nhm.org 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 Nhm.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.
nhm.org
Open Graph description is not detected on the main page of Nhm. 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: