Access groupon.co. Groupon® Official Site

name

value

score

weighting

FCP (First Contentful Paint)

Value2.5 s

69/100

10%

LCP (Largest Contentful Paint)

Value3.5 s

62/100

25%

SI (Speed Index)

Value11.0 s

6/100

10%

TBT (Total Blocking Time)

Value10,030 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value29.3 s

0/100

10%

www.groupon.com

918 ms

desktop-grpn-v7.0-f61de4e641.css

166 ms

home_desktop-23f965fd8e.css

195 ms

bottom_banner_pp-a936af7abe.css

146 ms

fab-38927f83a2.css

143 ms

Our browser made a total of 23 requests to load all elements on the main page. We found that 0% of them (0 request) were addressed to the original Groupon.co, 30% (7 requests) were made to Img.grouponcdn.com and 22% (5 requests) were made to Www1.grouponcdn.com. The less responsive or slowest element that took the longest time to load (1.1 sec) relates to the external source Img.grouponcdn.com.

Content Size

416.3 kB

After Optimization

232.4 kB

In fact, the total size of Groupon.co main page is 416.3 kB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 40% of websites need less resources to load. HTML takes 223.6 kB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 183.9 kB

Original 223.6 kB
After minification 204.7 kB
After compression 39.8 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 183.9 kB or 82% of the original size.

Image Optimization

-0%

Potential reduce by 5 B

Original 138.9 kB
After minification 138.9 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. Groupon images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 0 B

Original 53.8 kB
After minification 53.8 kB
After compression 53.8 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. This website has mostly compressed JavaScripts.

Requests Now

After Optimization

The browser has sent 17 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Groupon. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 4 to 1 for CSS and as a result speed up the page load time.

Accessibility Issues

These are opportunities to improve the legibility of your content.

High

Background and foreground colors do not have a sufficient contrast ratio.

These are opportunities to improve keyboard navigation in your application.

High

[id] attributes on active, focusable elements are not unique

High

Heading elements are not in a sequentially-descending order

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.

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Search Engine Optimization Advices

Format your HTML in a way that enables crawlers to better understand your app’s content.

High

Image elements do not have [alt] attributes

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/).

High

Document uses legible font sizes

High

Tap targets are not sized appropriately

Language and Encoding

Language Detected

EN
Language Claimed

EN
Encoding

UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Groupon.co 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 Groupon.co 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.

Social Sharing Optimization

Open Graph description is not detected on the main page of Groupon. 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: