752 ms in total
51 ms
651 ms
50 ms
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Visit hhmi.orgWe analyzed Hhmi.org page load time and found that the first response time was 51 ms and then it took 701 ms to load all DOM resources and completely render a web page. This is quite a good result, as only 15% of websites can load faster.
hhmi.org performance score
name
value
score
weighting
Value11.6 s
0/100
10%
Value17.6 s
0/100
25%
Value11.6 s
4/100
10%
Value1,120 ms
23/100
30%
Value0.146
77/100
15%
Value16.1 s
6/100
10%
51 ms
125 ms
106 ms
36 ms
139 ms
Our browser made a total of 28 requests to load all elements on the main page. We found that 64% of them (18 requests) were addressed to the original Hhmi.org, 14% (4 requests) were made to Googletagmanager.com and 11% (3 requests) were made to Script.crazyegg.com. The less responsive or slowest element that took the longest time to load (442 ms) belongs to the original domain Hhmi.org.
Page size can be reduced by 74.2 kB (5%)
1.6 MB
1.5 MB
In fact, the total size of Hhmi.org main page is 1.6 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. 60% of websites need less resources to load. Javascripts take 1.5 MB which makes up the majority of the site volume.
Potential reduce by 30.8 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 30.8 kB or 76% of the original size.
Potential reduce by 264 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.
Potential reduce by 43.1 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. Hhmi.org needs all CSS files to be minified and compressed as it can save up to 43.1 kB or 91% of the original size.
Number of requests can be reduced by 15 (83%)
18
3
The browser has sent 18 CSS, Javascripts, AJAX and image requests in order to completely render the main page of HHMI. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 13 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.
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hhmi.org accessibility score
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
Background and foreground colors do not have a sufficient contrast ratio.
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
Heading elements are not in a sequentially-descending order
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
Tables and lists
These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.
Impact
Issue
Lists do not contain only <li> elements and script supporting elements (<script> and <template>).
hhmi.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
Missing source maps for large first-party JavaScript
hhmi.org SEO score
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
Impact
Issue
Image elements do not have [alt] attributes
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
EN
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Hhmi.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 Hhmi.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.
{{og_description}}
hhmi.org
Open Graph description is not detected on the main page of HHMI. 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: