2.5 sec in total
427 ms
1.8 sec
265 ms
Click here to check amazing Media Biogen content for United States. Otherwise, check out these important facts you probably never knew about media.biogen.com
Biogen is a biotechnology company dedicated to developing new therapies to improve the lives of patients with neurological, autoimmune and hematological disorders
Visit media.biogen.comWe analyzed Media.biogen.com page load time and found that the first response time was 427 ms and then it took 2.1 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 40% of websites can load faster.
media.biogen.com performance score
name
value
score
weighting
Value18.9 s
0/100
10%
Value48.3 s
0/100
25%
Value38.6 s
0/100
10%
Value1,700 ms
11/100
30%
Value0.969
2/100
15%
Value29.8 s
0/100
10%
427 ms
70 ms
97 ms
177 ms
466 ms
Our browser made a total of 45 requests to load all elements on the main page. We found that 53% of them (24 requests) were addressed to the original Media.biogen.com, 24% (11 requests) were made to Use.typekit.net and 9% (4 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (602 ms) belongs to the original domain Media.biogen.com.
Page size can be reduced by 650.9 kB (55%)
1.2 MB
523.2 kB
In fact, the total size of Media.biogen.com main page is 1.2 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. 50% of websites need less resources to load. CSS take 411.9 kB which makes up the majority of the site volume.
Potential reduce by 46.5 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 46.5 kB or 83% of the original size.
Potential reduce by 16.0 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. Media Biogen images are well optimized though.
Potential reduce by 255.4 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 255.4 kB or 70% of the original size.
Potential reduce by 333.0 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. Media.biogen.com needs all CSS files to be minified and compressed as it can save up to 333.0 kB or 81% of the original size.
Number of requests can be reduced by 20 (61%)
33
13
The browser has sent 33 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Media Biogen. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 9 to 1 for JavaScripts and from 8 to 1 for CSS and as a result speed up the page load time.
media.biogen.com
427 ms
satelliteLib-75125cc64b408976a6b5cf64bfe356a1727f3c8d-staging.js
70 ms
main.css
97 ms
css_d6be7205d641e9819f03282ae78bc93e.css
177 ms
js_8e93a50047545152808bebcc17755dfa.js
466 ms
iwo4jwf.js
142 ms
js_1987376c93c21affd60569e52e6f03e3.js
172 ms
client.js
363 ms
css_bbc4baabb141191e0b5eae94c5957012.css
94 ms
main-blessed1.css
270 ms
rd
5 ms
id
27 ms
analytics.js
19 ms
14a
239 ms
css_a426873b6ab79183e122750135cf6f30.css
91 ms
collect
24 ms
collect
40 ms
css_2f093a73b9f68aa1503ca93055dc1f3e.css
89 ms
css_2750f77b65532589bd5cec90864f26d3.css
181 ms
carousel-hover-impact.png
249 ms
carousel-hover-science.png
188 ms
carousel-hover-mission.png
265 ms
biogen_logo.svg
130 ms
biogen_logo2.png
172 ms
Biogen_Logo_Standard-rgb.svg
133 ms
141216biogen_1859.jpg
602 ms
white-gradient.png
209 ms
faded-edge.png
251 ms
footer-siteinfo-1920px.jpg
262 ms
biogen_logo_sm2.png
295 ms
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107 ms
DJVVh8XBEUzsEkSE0vXQ-o_IfUykkLjnrxj0xky2-FJffOeUggMdeMI6MK6g5MS.eot
148 ms
icomoon.woff
310 ms
icomoon.eot
330 ms
collect
89 ms
s-code-contents-2598f7d8abec5cd07fa6f7319625738de424f098-staging.js
89 ms
collect
83 ms
U-F74jbFS-uZDaKGUpO2MWwBuOCVH980V394zsfX7FqffHEUggMdeMI6MK6g5Mt.eot
35 ms
a92GAtAznrf5ZM79jLaJYdiIQXzwxByEpys7eZFlKEjffOHUggMdeMI6MK6g5gI.eot
55 ms
8xhfCAze2KssRKii7bEtzlyU0Q-xNfBsq4puXvoMueSffOfUggMdeMI6MK6g5Mv.eot
234 ms
yssmKDWzWTt3hBWSOS6p_Pn8_D2OOepx9ryG6bZ9xowffOPUggMdeMI6MK6g5gw.eot
84 ms
jvaqL7W6y11ioYEcPMxJlblCiUYnL97XFb9tgjnJW9qffHdfggMdeMI6MK6g5Mw.eot
112 ms
7sncAGieAaDejarbav6Os6hqHbhlXrMXoozbH6ToohSff5-oggMdeMI6MK6g5M9.eot
164 ms
ldukNz2XVrdV4r-S6KYkjuWWkBNxh5G3uJjKGmLicYSffO5UggMdeMI6MK6g5Mq.eot
139 ms
s99783917029853
14 ms
media.biogen.com 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.
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 IDs are not unique
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
Heading elements are not in a sequentially-descending order
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
media.biogen.com 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
Missing source maps for large first-party JavaScript
media.biogen.com 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
EN
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Media.biogen.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 Media.biogen.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.
media.biogen.com
Open Graph description is not detected on the main page of Media Biogen. 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: