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groupon.com.tw screenshot

Report Summary

  • 50

    Performance

    Renders faster than
    68% of other websites

  • 54

    Accessibility

    Visual factors better than
    that of 23% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    19% of websites

  • 54

    SEO

    Google-friendlier than
    19% of websites

groupon.com.tw

GROUPON 酷朋 - 全台餐廳美食、旅遊住宿、宅配購物等團購優惠3折起 | Groupon 酷朋

Page Load Speed

2.5 sec in total

First Response

502 ms

Resources Loaded

1.9 sec

Page Rendered

147 ms

groupon.com.tw screenshot

About Website

Click here to check amazing GROUPON content for United States. Otherwise, check out these important facts you probably never knew about groupon.com.tw

Groupon推薦給您全台團購優惠，美食餐廳、吃到飽、各式餐券、電影票、門票展覽、SPA、美容、Yoga、旅遊飯店民宿、宅配購物等購物優惠3折起！吃喝玩樂找優惠，快上Groupon 酷朋！

Visit groupon.com.tw

Key Findings

We analyzed Groupon.com.tw page load time and found that the first response time was 502 ms and then it took 2 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.

Performance Metrics

groupon.com.tw performance score

50

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value8.1 s

0/100

10%

LCP (Largest Contentful Paint)

Value8.1 s

2/100

25%

SI (Speed Index)

Value11.2 s

5/100

10%

TBT (Total Blocking Time)

Value50 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value8.2 s

41/100

10%

Network Requests Diagram

groupon.com.tw

502 ms

close_announce.php

744 ms

header.css

66 ms

groupon_buymain.css

71 ms

groupon_buyheader.css

63 ms

Our browser made a total of 27 requests to load all elements on the main page. We found that 7% of them (2 requests) were addressed to the original Groupon.com.tw, 93% (25 requests) were made to Img.groupon.com.tw. The less responsive or slowest element that took the longest time to load (744 ms) belongs to the original domain Groupon.com.tw.

Page Optimization Overview & Recommendations

Page size can be reduced by 200.7 kB (61%)

Content Size

327.6 kB

After Optimization

126.8 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Groupon.com.tw main page is 327.6 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. Javascripts take 168.5 kB which makes up the majority of the site volume.

HTML Optimization

-77%

Potential reduce by 28.3 kB

  • Original 36.8 kB
  • After minification 32.6 kB
  • After compression 8.5 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. This page needs HTML code to be minified as it can gain 4.2 kB, which is 11% 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 28.3 kB or 77% of the original size.

Image Optimization

-10%

Potential reduce by 6.4 kB

  • Original 63.7 kB
  • After minification 57.3 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

-70%

Potential reduce by 117.9 kB

  • Original 168.5 kB
  • After minification 141.9 kB
  • After compression 50.6 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 117.9 kB or 70% of the original size.

CSS Optimization

-82%

Potential reduce by 48.1 kB

  • Original 58.6 kB
  • After minification 51.4 kB
  • After compression 10.5 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. Groupon.com.tw needs all CSS files to be minified and compressed as it can save up to 48.1 kB or 82% of the original size.

Requests Breakdown

Number of requests can be reduced by 13 (52%)

Requests Now

25

After Optimization

12

  • Images
  • JavaScript
  • CSS

The browser has sent 25 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 10 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

groupon.com.tw

groupon.com.tw

502 ms

close_announce.php

close_announce.php

744 ms

header.css

header.css

66 ms

groupon_buymain.css

groupon_buymain.css

71 ms

groupon_buyheader.css

groupon_buyheader.css

63 ms

header_renew_201506.css

header_renew_201506.css

65 ms

json2.js

json2.js

57 ms

jquery-1.8.3.min.js

jquery-1.8.3.min.js

64 ms

underscore-min.js

underscore-min.js

75 ms

optimize-suite_1.27.6.js

optimize-suite_1.27.6.js

79 ms

basicFunctions_header.js

basicFunctions_header.js

62 ms

appear.js

appear.js

74 ms

modal.js

modal.js

86 ms

base64.js

base64.js

76 ms

jquery.fancybox-1.3.4.pack.js

jquery.fancybox-1.3.4.pack.js

87 ms

jquery.fancybox-1.3.4.css

jquery.fancybox-1.3.4.css

87 ms

marquee.js

marquee.js

89 ms

buy_green.jpg

buy_green.jpg

14 ms

top_bg.gif

top_bg.gif

7 ms

logo_groupon.png

logo_groupon.png

24 ms

searchbg_short.png

searchbg_short.png

4 ms

btn_search.png

btn_search.png

61 ms

cities_list.png

cities_list.png

7 ms

titlewd.png

titlewd.png

6 ms

titlenotice.png

titlenotice.png

8 ms

pp.gif

pp.gif

10 ms

logo200x180.png

logo200x180.png

11 ms

Accessibility Review

groupon.com.tw accessibility score

54

Accessibility Issues

Contrast

These are opportunities to improve the legibility of your content.

Impact

Issue

High

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

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a [lang] attribute

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

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Best Practices

groupon.com.tw best practices score

58

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

groupon.com.tw SEO score

54

Search Engine Optimization Advices

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

Links are not crawlable

High

robots.txt is not valid

Content Best Practices

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

Impact

Issue

High

Image elements do not have [alt] attributes

Language and Encoding

  • Language Detected

    ZH

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Groupon.com.tw can be misinterpreted by Google and other search engines. Our service has detected that Chinese 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 Groupon.com.tw 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

groupon.com.tw

Open Graph data is detected on the main page of GROUPON. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: