5 sec in total
336 ms
4.1 sec
566 ms
Click here to check amazing Reisman Group Caltech content for United States. Otherwise, check out these important facts you probably never knew about reismangroup.caltech.edu
The Reisman Laboratory conducts research in the field of natural product synthesis, with an emphasis on the development of new synthetic methods that facilitate the construction of complex molecules.
Visit reismangroup.caltech.eduWe analyzed Reismangroup.caltech.edu page load time and found that the first response time was 336 ms and then it took 4.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.
reismangroup.caltech.edu performance score
name
value
score
weighting
Value5.1 s
9/100
10%
Value10.7 s
0/100
25%
Value5.6 s
53/100
10%
Value340 ms
74/100
30%
Value0.015
100/100
15%
Value6.5 s
59/100
10%
336 ms
207 ms
51 ms
72 ms
3573 ms
Our browser made a total of 19 requests to load all elements on the main page. We found that 21% of them (4 requests) were addressed to the original Reismangroup.caltech.edu, 21% (4 requests) were made to Calendar.google.com and 21% (4 requests) were made to Apis.google.com. The less responsive or slowest element that took the longest time to load (3.6 sec) belongs to the original domain Reismangroup.caltech.edu.
Page size can be reduced by 238.8 kB (4%)
5.9 MB
5.7 MB
In fact, the total size of Reismangroup.caltech.edu main page is 5.9 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. Only 10% of websites need less resources to load. Images take 5.7 MB which makes up the majority of the site volume.
Potential reduce by 2.6 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 2.6 kB or 63% of the original size.
Potential reduce by 97.7 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. Reisman Group Caltech images are well optimized though.
Potential reduce by 116.3 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 116.3 kB or 62% of the original size.
Potential reduce by 22.2 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. Reismangroup.caltech.edu needs all CSS files to be minified and compressed as it can save up to 22.2 kB or 78% of the original size.
Number of requests can be reduced by 6 (35%)
17
11
The browser has sent 17 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Reisman Group Caltech. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 7 to 1 for JavaScripts and as a result speed up the page load time.
reismangroup.caltech.edu
336 ms
main.css
207 ms
embed
51 ms
CaltechLogo_1.png
72 ms
Group_16_Jan.jpg
3573 ms
embed
114 ms
f7e12ba16863d79ebc50b5ad512d0dd5embedcompiled_fastui.css
4 ms
f7e12ba16863d79ebc50b5ad512d0dd5embedcompiled__en.js
24 ms
client.js
70 ms
cb=gapi.loaded_0
13 ms
postmessageRelay
64 ms
api.js
37 ms
core:rpc:shindig.random:shindig.sha1.js
44 ms
2536007149-postmessagerelay.js
43 ms
logo-plus.png
24 ms
googlelogo_color_46x16dp.png
32 ms
proxy.html
40 ms
cb=gapi.loaded_0
5 ms
events
77 ms
reismangroup.caltech.edu 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.
reismangroup.caltech.edu 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
reismangroup.caltech.edu SEO score
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
EN
N/A
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Reismangroup.caltech.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 Reismangroup.caltech.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.
reismangroup.caltech.edu
Open Graph description is not detected on the main page of Reisman Group Caltech. 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: