4.4 sec in total
103 ms
3.2 sec
1 sec
Welcome to sciencebulletins.amnh.org homepage info - get ready to check Science Bulletins Amnh best content for United States right away, or after learning these important things about sciencebulletins.amnh.org
Over 700 original science news videos. Featuring series on scientists in the field, behind-the-scenes tours, new research, and more.
Visit sciencebulletins.amnh.orgWe analyzed Sciencebulletins.amnh.org page load time and found that the first response time was 103 ms and then it took 4.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.
sciencebulletins.amnh.org performance score
name
value
score
weighting
Value3.8 s
27/100
10%
Value6.1 s
12/100
25%
Value9.0 s
14/100
10%
Value5,990 ms
0/100
30%
Value0
100/100
15%
Value15.5 s
7/100
10%
103 ms
447 ms
63 ms
187 ms
266 ms
Our browser made a total of 86 requests to load all elements on the main page. We found that 0% of them (0 request) were addressed to the original Sciencebulletins.amnh.org, 13% (11 requests) were made to Youtube.com and 7% (6 requests) were made to Google.com. The less responsive or slowest element that took the longest time to load (1.1 sec) relates to the external source Tag.simpli.fi.
Page size can be reduced by 650.4 kB (73%)
892.0 kB
241.6 kB
In fact, the total size of Sciencebulletins.amnh.org main page is 892.0 kB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 85% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. CSS take 368.5 kB which makes up the majority of the site volume.
Potential reduce by 314.4 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 210.9 kB, which is 62% 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 314.4 kB or 92% of the original size.
Potential reduce by 0 B
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. Science Bulletins Amnh images are well optimized though.
Potential reduce by 24.6 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 24.6 kB or 24% of the original size.
Potential reduce by 311.4 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. Sciencebulletins.amnh.org needs all CSS files to be minified and compressed as it can save up to 311.4 kB or 85% of the original size.
Number of requests can be reduced by 47 (70%)
67
20
The browser has sent 67 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Science Bulletins Amnh. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 30 to 1 for JavaScripts and as a result speed up the page load time.
videos
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gtm.js
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lazysizes_with_bg.min.js
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voices-of-the-native-nwc-video-listing-image-1600x1200_full_285.jpg
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sciencebulletins.amnh.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
Best practices
These items highlight common accessibility best practices.
Impact
Issue
[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.
sciencebulletins.amnh.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
Browser errors were logged to the console
Page has valid source maps
sciencebulletins.amnh.org SEO score
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 Sciencebulletins.amnh.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 Sciencebulletins.amnh.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.
sciencebulletins.amnh.org
Open Graph data is detected on the main page of Science Bulletins Amnh. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: