11.2 sec in total
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Click here to check amazing Potter Lab Johnshopkins content for United States. Otherwise, check out these important facts you probably never knew about potterlab.johnshopkins.edu
Visit potterlab.johnshopkins.eduWe analyzed Potterlab.johnshopkins.edu page load time and found that the first response time was 2.8 sec and then it took 8.5 sec to load all DOM resources and completely render a web page. This is a poor result, as 85% of websites can load faster.
potterlab.johnshopkins.edu performance score
name
value
score
weighting
Value7.5 s
1/100
10%
Value17.8 s
0/100
25%
Value11.5 s
5/100
10%
Value240 ms
85/100
30%
Value0.29
41/100
15%
Value15.9 s
6/100
10%
2755 ms
21 ms
24 ms
25 ms
1225 ms
Our browser made a total of 79 requests to load all elements on the main page. We found that 97% of them (77 requests) were addressed to the original Potterlab.johnshopkins.edu, 3% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (4.2 sec) belongs to the original domain Potterlab.johnshopkins.edu.
Page size can be reduced by 386.1 kB (37%)
1.0 MB
660.3 kB
In fact, the total size of Potterlab.johnshopkins.edu main page is 1.0 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. 45% of websites need less resources to load. Images take 606.3 kB which makes up the majority of the site volume.
Potential reduce by 31.1 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 31.1 kB or 81% of the original size.
Potential reduce by 44.5 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. Potter Lab Johnshopkins images are well optimized though.
Potential reduce by 257.8 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 257.8 kB or 77% of the original size.
Potential reduce by 52.7 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. Potterlab.johnshopkins.edu needs all CSS files to be minified and compressed as it can save up to 52.7 kB or 81% of the original size.
Number of requests can be reduced by 58 (74%)
78
20
The browser has sent 78 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Potter Lab Johnshopkins. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 16 to 1 for JavaScripts and from 44 to 1 for CSS and as a result speed up the page load time.
potterlab.johnshopkins.edu
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system.base.css
21 ms
system.menus.css
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system.messages.css
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system.theme.css
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views_slideshow.css
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field.css
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node.css
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search.css
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user.css
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views.css
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ctools.css
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lightbox.css
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views_slideshow_cycle.css
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style.css
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black.css
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suckerfish_black.css
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print.css
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jquery.ui.autocomplete.css
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jquery.ui.tabs.css
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jquery.ui.progressbar.css
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jquery.ui.datepicker.css
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jquery.ui.button.css
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jquery.ui.all.css
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jquery.ui.slider.css
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jquery.ui.selectable.css
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jquery.ui.dialog.css
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jquery.ui.base.css
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jquery.ui.accordion.css
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jquery.ui.resizable.css
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jquery.ui.core.css
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jquery.js
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jquery.once.js
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drupal.js
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views_slideshow.js
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jquery.cookie.js
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jquery.form.js
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ajax.js
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lightbox.js
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jquery.cycle.all.js
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json2.js
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views_slideshow_cycle.js
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base.js
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progress.js
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ajax_view.js
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googleanalytics.js
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jquery.ui.base.css
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jquery.ui.resizable.css
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jquery.ui.selectable.css
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jquery.ui.accordion.css
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analytics.js
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Potter-lab-fly.png
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menu-leaf.png
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menu-expanded.png
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potterlab.johnshopkins.edu 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.
potterlab.johnshopkins.edu 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
potterlab.johnshopkins.edu SEO score
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
Impact
Issue
Links do not have descriptive text
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 Potterlab.johnshopkins.edu 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 Potterlab.johnshopkins.edu 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.
potterlab.johnshopkins.edu
Open Graph description is not detected on the main page of Potter Lab Johnshopkins. 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: