15.1 sec in total
147 ms
4.8 sec
10.1 sec
Visit chemistry.jhu.edu now to see the best up-to-date Chemistry Jhu content for United States and also check out these interesting facts you probably never knew about chemistry.jhu.edu
The Department of Chemistry at Johns Hopkins University is made up of internationally recognized faculty involved in all areas of contemporary chemical science, including many interdisciplinary areas ...
Visit chemistry.jhu.eduWe analyzed Chemistry.jhu.edu page load time and found that the first response time was 147 ms and then it took 14.9 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.
chemistry.jhu.edu performance score
name
value
score
weighting
Value2.2 s
79/100
10%
Value4.4 s
39/100
25%
Value3.6 s
87/100
10%
Value710 ms
42/100
30%
Value0.129
82/100
15%
Value10.4 s
24/100
10%
147 ms
13 ms
1449 ms
66 ms
43 ms
Our browser made a total of 36 requests to load all elements on the main page. We found that 94% of them (34 requests) were addressed to the original Chemistry.jhu.edu, 6% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (3.2 sec) belongs to the original domain Chemistry.jhu.edu.
Page size can be reduced by 2.0 MB (10%)
20.1 MB
18.0 MB
In fact, the total size of Chemistry.jhu.edu main page is 20.1 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. 35% of websites need less resources to load. Images take 20.0 MB which makes up the majority of the site volume.
Potential reduce by 21.5 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 21.5 kB or 69% of the original size.
Potential reduce by 2.0 MB
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. Chemistry Jhu images are well optimized though.
Potential reduce by 40.7 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 40.7 kB or 62% of the original size.
Potential reduce by 11.2 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. Chemistry.jhu.edu needs all CSS files to be minified and compressed as it can save up to 11.2 kB or 84% of the original size.
We found no issues to fix!
35
35
The browser has sent 35 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Chemistry Jhu. According to our analytics all requests are already optimized.
chemistry.jhu.edu
147 ms
52FC5595D7B05B0C5FDC8304BFE0548C.css
13 ms
p7tpscripts.js
1449 ms
p7popmenu.js
66 ms
analytics.js
43 ms
arr1b.gif
41 ms
ksas-se-chem.png
34 ms
docHeader.gif
33 ms
bg-tl-main.gif
82 ms
bg-tl-cnt.gif
60 ms
welcome.jpg
64 ms
facebook.png
1320 ms
twitter.png
47 ms
McQueen%20Pic%203.png
1055 ms
PARADIM.png
157 ms
Hernandez%20Poster.jpg
444 ms
Greenberg%202016.jpeg
3188 ms
Prigge.jpg
238 ms
Kempa%20Photo.jpg
573 ms
Principe%20Pic.jpg
312 ms
NewGreenbergPic.JPG
2280 ms
artbragglarge.jpg
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Diggs.jpg
599 ms
bowen.jpg
645 ms
Colin%201%20Cropped.jpg
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Klausen%20New%20Headshot.jpg
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Streifel%20Journal%20Cover1.jpg
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JPOCcover2015.jpg
1178 ms
c4np90035a.jpg
1456 ms
Gaudelli%20Long%20Graphic.jpg
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Struble%20Graphic.jpg
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Thoi_headshot2.jpg
1855 ms
CRT%20Final.jpg
2018 ms
joceah_v080i003.jpg
2247 ms
calendarpic.gif
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30 ms
chemistry.jhu.edu accessibility score
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
Heading elements are not in a sequentially-descending order
chemistry.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
chemistry.jhu.edu 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 Chemistry.jhu.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 Chemistry.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.
chemistry.jhu.edu
Open Graph description is not detected on the main page of Chemistry 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: