Report Summary

  • 99

    Performance

    Renders faster than
    96% of other websites

  • 48

    Accessibility

    Visual factors better than
    that of 20% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 62

    SEO

    Google-friendlier than
    22% of websites

79.com.tw

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Page Load Speed

6.5 sec in total

First Response

1.3 sec

Resources Loaded

4.9 sec

Page Rendered

242 ms

79.com.tw screenshot

About Website

Click here to check amazing 79 content. Otherwise, check out these important facts you probably never knew about 79.com.tw

Visit 79.com.tw

Key Findings

We analyzed 79.com.tw page load time and found that the first response time was 1.3 sec and then it took 5.2 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.

Performance Metrics

79.com.tw performance score

99

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value0.9 s

100/100

10%

LCP (Largest Contentful Paint)

Value1.8 s

98/100

25%

SI (Speed Index)

Value2.2 s

99/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value0.9 s

100/100

10%

Network Requests Diagram

79.com.tw

1322 ms

stylesheet.css

1799 ms

corner_left.gif

1851 ms

pixel_trans.gif

1852 ms

corner_right_left.gif

1853 ms

Our browser made a total of 32 requests to load all elements on the main page. We found that all of those requests were addressed to 79.com.tw and no external sources were called. The less responsive or slowest element that took the longest time to load (3.6 sec) belongs to the original domain 79.com.tw.

Page Optimization Overview & Recommendations

Page size can be reduced by 35.5 kB (8%)

Content Size

444.8 kB

After Optimization

409.4 kB

In fact, the total size of 79.com.tw main page is 444.8 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. 25% of websites need less resources to load. Images take 402.8 kB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 29.9 kB

  • Original 36.6 kB
  • After minification 35.0 kB
  • After compression 6.7 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. 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 29.9 kB or 82% of the original size.

Image Optimization

-0%

Potential reduce by 1.2 kB

  • Original 402.8 kB
  • After minification 401.6 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. 79 images are well optimized though.

CSS Optimization

-81%

Potential reduce by 4.3 kB

  • Original 5.4 kB
  • After minification 4.1 kB
  • After compression 1.0 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. 79.com.tw needs all CSS files to be minified and compressed as it can save up to 4.3 kB or 81% of the original size.

Requests Breakdown

Number of requests can be reduced by 6 (19%)

Requests Now

31

After Optimization

25

The browser has sent 31 CSS, Javascripts, AJAX and image requests in order to completely render the main page of 79. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests and as a result speed up the page load time.

Accessibility Review

79.com.tw accessibility score

48

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

79.com.tw best practices score

75

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Serves images with low resolution

SEO Factors

79.com.tw SEO score

62

Search Engine Optimization Advices

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

    TW

  • Encoding

    BIG5

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise 79.com.tw can be misinterpreted by Google and other search engines. Our service has detected that Chinese is used on the page, and it does not match the claimed Twi language. Our system also found out that 79.com.tw main page’s claimed encoding is big5. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

Open Graph description is not detected on the main page of 79. 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: