340 ms in total
31 ms
161 ms
148 ms
Visit schulmanlab.jhu.edu now to see the best up-to-date Schulman Lab Jhu content for United States and also check out these interesting facts you probably never knew about schulmanlab.jhu.edu
Visit schulmanlab.jhu.eduWe analyzed Schulmanlab.jhu.edu page load time and found that the first response time was 31 ms and then it took 309 ms to load all DOM resources and completely render a web page. This is an excellent result, as only a small number of websites can load faster.
schulmanlab.jhu.edu performance score
name
value
score
weighting
Value3.9 s
24/100
10%
Value9.9 s
0/100
25%
Value6.2 s
44/100
10%
Value30 ms
100/100
30%
Value0
100/100
15%
Value7.3 s
49/100
10%
31 ms
14 ms
6 ms
31 ms
73 ms
Our browser made a total of 14 requests to load all elements on the main page. We found that 93% of them (13 requests) were addressed to the original Schulmanlab.jhu.edu, 7% (1 request) were made to Ajax.googleapis.com. The less responsive or slowest element that took the longest time to load (83 ms) belongs to the original domain Schulmanlab.jhu.edu.
Page size can be reduced by 441.2 kB (18%)
2.4 MB
2.0 MB
In fact, the total size of Schulmanlab.jhu.edu main page is 2.4 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. 15% of websites need less resources to load. Images take 2.4 MB which makes up the majority of the site volume.
Potential reduce by 2.8 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 2.8 kB or 73% of the original size.
Potential reduce by 431.2 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. Obviously, Schulman Lab Jhu needs image optimization as it can save up to 431.2 kB or 18% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 3.5 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 3.5 kB or 90% of the original size.
Potential reduce by 3.7 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. Schulmanlab.jhu.edu needs all CSS files to be minified and compressed as it can save up to 3.7 kB or 79% of the original size.
We found no issues to fix!
13
13
The browser has sent 13 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Schulman Lab Jhu. According to our analytics all requests are already optimized.
schulmanlab.jhu.edu
31 ms
schulmanStyle.css
14 ms
jquery.min.js
6 ms
index.js
31 ms
bgImage.png
73 ms
schulmanLabHeader.png
19 ms
Fluorescence_seedednanotube.jpg
16 ms
AFM_ligatedseedednanotube_6tilecircumference.png
83 ms
AFM_unseedednanotube.png
73 ms
Thrombin_HalfGelNegative.jpg
25 ms
stickFigure.png
45 ms
slideshowButtonSelected.png
32 ms
slideshowButtonUnselected.png
39 ms
JHULogo.png
43 ms
schulmanlab.jhu.edu accessibility score
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
Links do not have a discernible name
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.
schulmanlab.jhu.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
schulmanlab.jhu.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
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
Tap targets are not sized appropriately
EN
N/A
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Schulmanlab.jhu.edu 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 Schulmanlab.jhu.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.
schulmanlab.jhu.edu
Open Graph description is not detected on the main page of Schulman Lab Jhu. 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: