4 sec in total
115 ms
2.3 sec
1.6 sec
Click here to check amazing Library AMNH content for United States. Otherwise, check out these important facts you probably never knew about library.amnh.org
Welcome to the David S. and Ruth L. Gottesman Research Library and Learning Center, the Museum’s repository for published scientific literature and archives.
Visit library.amnh.orgWe analyzed Library.amnh.org page load time and found that the first response time was 115 ms and then it took 3.9 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.
library.amnh.org performance score
name
value
score
weighting
Value2.9 s
51/100
10%
Value5.2 s
23/100
25%
Value6.6 s
37/100
10%
Value1,590 ms
12/100
30%
Value0
100/100
15%
Value11.5 s
18/100
10%
115 ms
379 ms
56 ms
45 ms
368 ms
Our browser made a total of 57 requests to load all elements on the main page. We found that 53% of them (30 requests) were addressed to the original Library.amnh.org, 9% (5 requests) were made to Google.com and 5% (3 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (756 ms) relates to the external source 9432320.fls.doubleclick.net.
Page size can be reduced by 283.1 kB (31%)
927.1 kB
644.0 kB
In fact, the total size of Library.amnh.org main page is 927.1 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. 75% 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. Images take 583.7 kB which makes up the majority of the site volume.
Potential reduce by 280.9 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 210.4 kB, which is 71% 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 280.9 kB or 95% of the original size.
Potential reduce by 1.9 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. Library AMNH images are well optimized though.
Potential reduce by 255 B
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. This website has mostly compressed JavaScripts.
Number of requests can be reduced by 32 (68%)
47
15
The browser has sent 47 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Library 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 20 to 1 for JavaScripts and as a result speed up the page load time.
library.amnh.org
115 ms
gtm.js
379 ms
488794743153594d558c30db374f6f69_1660233947_all.css
56 ms
lazysizes_with_bg.min.js
45 ms
9cc27c286297cf0b409f4d80c7957b58_1661443745.js
368 ms
feed98c2392b8b0a6e931873d6f85646_1582749179.js
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ls.respimg.min.js
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amnh-logo-icon__white.svg
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amnh-logo-text__white.svg
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search_lime.svg
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clock_lime.svg
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news_blue.svg
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checkmark_white.svg
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search_blue.svg
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search_black.svg
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sofiapro-regular-webfont.woff
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sofiapro-medium-webfont.woff
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sofiapro-light-webfont.woff
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sofiapro-semibold-webfont.woff
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GT-Sectra-Book.woff
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GT-Sectra-Regular.woff
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GT-Sectra-Medium.woff
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fa-brands-400.woff
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enforce
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sharks_full_1220.png
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optimize.js
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js
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conversion_async.js
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hotjar-2608065.js
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fbevents.js
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consenTag.js
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extinct-endangered-lady-bug_full_990.png
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activityi;src=9432320;type=visit;cat=amnh-0;ord=1;num=8239950682898;gtm=2wg8o0;auiddc=1467059304.1661623808;~oref=https%3A%2F%2Flibrary.amnh.org%2F
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carat-left_black.svg
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analytics.js
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carat-left_blue.svg
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modules.5cffd253af12af6303c3.js
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344984802502887
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collect
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collect
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popup_silent.html
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src=9432320;type=visit;cat=amnh-0;ord=1;num=8239950682898;gtm=2wg8o0;auiddc=1467059304.1661623808;~oref=https%3A%2F%2Flibrary.amnh.org%2F
305 ms
box-1ada912494ba7fc7aca15fcef1c2a7ae.html
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azurite-geode-gems-minerals-600-600_full_495.jpg
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northwest-coast-hall-nyt-ad-1600-1200_full_495.jpg
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jquery.min.js
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mustache.min.js
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ga-audiences
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library.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.
library.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
Issues were logged in the Issues panel in Chrome Devtools
library.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 Library.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 Library.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.
library.amnh.org
Open Graph data is detected on the main page of Library AMNH. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: