15.1 sec in total
2.9 sec
11.8 sec
437 ms
Visit us.gsk.com now to see the best up-to-date US GSK content for China and also check out these interesting facts you probably never knew about us.gsk.com
The homepage of the GSK USA website
Visit us.gsk.comWe analyzed Us.gsk.com page load time and found that the first response time was 2.9 sec and then it took 12.2 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.
us.gsk.com performance score
name
value
score
weighting
Value6.6 s
2/100
10%
Value18.7 s
0/100
25%
Value17.5 s
0/100
10%
Value13,660 ms
0/100
30%
Value0.01
100/100
15%
Value26.7 s
0/100
10%
2890 ms
2982 ms
7300 ms
2260 ms
7 ms
Our browser made a total of 37 requests to load all elements on the main page. We found that 62% of them (23 requests) were addressed to the original Us.gsk.com, 16% (6 requests) were made to Google-analytics.com and 8% (3 requests) were made to Nexus.ensighten.com. The less responsive or slowest element that took the longest time to load (7.3 sec) belongs to the original domain Us.gsk.com.
Page size can be reduced by 826.8 kB (64%)
1.3 MB
465.7 kB
In fact, the total size of Us.gsk.com main page is 1.3 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. 25% of websites need less resources to load. Javascripts take 577.1 kB which makes up the majority of the site volume.
Potential reduce by 108.6 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. This page needs HTML code to be minified as it can gain 39.0 kB, which is 31% 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 108.6 kB or 88% of the original size.
Potential reduce by 13.7 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. Obviously, US GSK needs image optimization as it can save up to 13.7 kB or 11% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 377.3 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 377.3 kB or 65% of the original size.
Potential reduce by 327.2 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. Us.gsk.com needs all CSS files to be minified and compressed as it can save up to 327.2 kB or 70% of the original size.
Number of requests can be reduced by 23 (66%)
35
12
The browser has sent 35 CSS, Javascripts, AJAX and image requests in order to completely render the main page of US GSK. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 18 to 1 for JavaScripts and as a result speed up the page load time.
us.gsk.com
2890 ms
style.css
2982 ms
flag-sprites.css
7300 ms
script-loader.min.js
2260 ms
Bootstrap.js
7 ms
analytics.js
91 ms
plugins.min.js
552 ms
selectivizr-min.js
139 ms
frame-manager.js
109 ms
script.min.js
1022 ms
gsk-logo.png
275 ms
respiratory-betty.jpg
2971 ms
bio-spark-science.jpg
335 ms
packaging-operator.jpg
1344 ms
careers-green-woman.jpg
413 ms
icon-facebook.png
401 ms
icon-twitter.png
500 ms
icon-youtube.png
576 ms
icon-flickr.png
565 ms
icon-linkedin.png
608 ms
serverComponent.php
41 ms
icomoon.ttf
830 ms
linkid.js
21 ms
cf04df50fc7923a785b309d676a638c6.js
23 ms
plugins.min.js
1033 ms
collect
46 ms
collect
84 ms
ga.js
16 ms
list.js
181 ms
__utm.gif
13 ms
s24497378838714
96 ms
selectivizr-min.js
86 ms
frame-manager.js
45 ms
script.min.js
87 ms
iframe_api
70 ms
collect
16 ms
www-widgetapi.js
55 ms
us.gsk.com 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
Buttons do not have an accessible name
Links do not have a discernible name
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
Background and foreground colors do not have a sufficient contrast ratio.
Tables and lists
These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.
Impact
Issue
Lists do not contain only <li> elements and script supporting elements (<script> and <template>).
us.gsk.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
Missing source maps for large first-party JavaScript
us.gsk.com SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
robots.txt is not valid
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 Us.gsk.com 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 Us.gsk.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.
us.gsk.com
Open Graph description is not detected on the main page of US GSK. 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: