1.7 sec in total
160 ms
1.2 sec
338 ms
Visit regeneron.com now to see the best up-to-date Regeneron content for United States and also check out these interesting facts you probably never knew about regeneron.com
Regeneron (NASDAQ: REGN) is a leading biotechnology company using the power of science to bring new medicines to patients in need. Learn more.
Visit regeneron.comWe analyzed Regeneron.com page load time and found that the first response time was 160 ms and then it took 1.5 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 30% of websites can load faster.
regeneron.com performance score
name
value
score
weighting
Value3.0 s
49/100
10%
Value8.5 s
1/100
25%
Value4.3 s
75/100
10%
Value2,760 ms
3/100
30%
Value0.035
100/100
15%
Value10.3 s
24/100
10%
160 ms
210 ms
29 ms
60 ms
53 ms
Our browser made a total of 71 requests to load all elements on the main page. We found that 87% of them (62 requests) were addressed to the original Regeneron.com, 6% (4 requests) were made to F.vimeocdn.com and 3% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (461 ms) belongs to the original domain Regeneron.com.
Page size can be reduced by 645.7 kB (24%)
2.7 MB
2.1 MB
In fact, the total size of Regeneron.com main page is 2.7 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. 55% of websites need less resources to load. Images take 1.9 MB which makes up the majority of the site volume.
Potential reduce by 43.7 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. This page needs HTML code to be minified as it can gain 16.9 kB, which is 33% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 43.7 kB or 86% of the original size.
Potential reduce by 24.6 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. Regeneron images are well optimized though.
Potential reduce by 406.4 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 406.4 kB or 69% of the original size.
Potential reduce by 171.1 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. Regeneron.com needs all CSS files to be minified and compressed as it can save up to 171.1 kB or 86% of the original size.
Number of requests can be reduced by 23 (33%)
69
46
The browser has sent 69 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Regeneron. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 15 to 1 for JavaScripts and from 10 to 1 for CSS and as a result speed up the page load time.
regeneron.com
160 ms
www.regeneron.com
210 ms
stylesheet.css
29 ms
flexslider.css
60 ms
style.css
53 ms
style-new.css
63 ms
content.css
64 ms
modal.css
60 ms
960.css
65 ms
fontsizes.css
75 ms
jquery-1.5.1.min.js
181 ms
jquery.easing.js
76 ms
jquery.flexslider.min.js
102 ms
jquery.cycle.all.min.js
133 ms
jquery.cookie.js
81 ms
jquery.urlparam.js
99 ms
toolbox.expose.min.js
99 ms
swfobject.js
109 ms
flowplayer-3.2.6.min.js
147 ms
modal.js
124 ms
main.js
151 ms
ga.js
97 ms
top-bg.gif
45 ms
regeneron.png
44 ms
social-twitter.png
43 ms
social-linkedin.png
42 ms
search-bg.gif
43 ms
text-resize.gif
44 ms
text-resize-sm.gif
71 ms
text-resize-md.gif
69 ms
text-resize-lg.gif
69 ms
home-main-slide-labtech.jpg
274 ms
triangle1.png
72 ms
WSM_7945.jpg
280 ms
home-main-slide-employee-2.jpg
272 ms
home-main-slide-employee-1.jpg
217 ms
pipeline-bg.jpg
140 ms
triangle2.png
111 ms
right-border.png
140 ms
product1.jpg
172 ms
eylea.jpg
171 ms
product3.jpg
216 ms
home-people-slide-1.jpg
276 ms
triangle4.png
272 ms
triangle3.png
273 ms
home-people-slide-4.jpg
292 ms
home-people-slide-2.jpg
296 ms
home-people-slide-3.jpg
293 ms
regnpoplogo.jpg
316 ms
product-praluent.jpg
315 ms
regnpopbg.png
295 ms
regnpopbg2.png
321 ms
close_pop.png
319 ms
direction_nav_arrows.png
323 ms
bg-home0.jpg
461 ms
bg-home1.jpg
423 ms
bg-home2.jpg
390 ms
uni_sans_light-webfont.woff
354 ms
64919921
103 ms
__utm.gif
26 ms
uni_sans_regular-webfont2.woff
326 ms
uni_sans_semi_bold-webfont2.woff
326 ms
bg-home3.jpg
398 ms
bg-home4.jpg
370 ms
player.js
121 ms
player.css
111 ms
ga.js
81 ms
vuid.min.js
70 ms
__utm.gif
16 ms
proxy.html
24 ms
print.css
29 ms
regeneron.com 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-*] attributes do not match their roles
button, link, and menuitem elements do not have accessible names.
Elements with an ARIA [role] that require children to contain a specific [role] are missing some or all of those required children.
[role]s are not contained by their required parent element
ARIA IDs are not unique
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
Buttons do not have an accessible name
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
Heading elements are not in a sequentially-descending order
Some elements have a [tabindex] value greater than 0
regeneron.com best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
User Experience
Impact
Issue
Displays images with incorrect aspect ratio
General
Impact
Issue
Detected JavaScript libraries
Page has valid source maps
regeneron.com 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 Regeneron.com 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 Regeneron.com 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.
regeneron.com
Open Graph description is not detected on the main page of Regeneron. 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: