Tools & Wizards About Us

Report Summary

  • 64

    Performance

    Renders faster than
    77% of other websites

  • 73

    Accessibility

    Visual factors better than
    that of 38% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    20% of websites

  • 91

    SEO

    Google-friendlier than
    70% of websites

twvns.org

台灣素食營養學會 Taiwan Vegetarian Nutrition Society (TWVNS)

Page Load Speed

1.6 sec in total

First Response

55 ms

Resources Loaded

1.3 sec

Page Rendered

192 ms

About Website

Welcome to twvns.org homepage info - get ready to check TWVNS best content for Taiwan right away, or after learning these important things about twvns.org

台灣素食營養學會是由一群對素食有興趣或本身吃素的營養師，醫師等專業醫療人員，以及從事營養醫學研究者所組成的非營利組織，宗旨為促進健康素食飲食之學習，推廣，實踐，及研究。我們希望能夠整合與營養與素食相關的科學研究，提供專業人員及民眾最新訊息，並且協助素食者吃出健康。

Visit twvns.org

Key Findings

We analyzed Twvns.org page load time and found that the first response time was 55 ms and then it took 1.5 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 30% of websites can load faster.

Performance Metrics

twvns.org performance score

64

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.5 s

14/100

10%

LCP (Largest Contentful Paint)

Value5.8 s

15/100

25%

SI (Speed Index)

Value4.5 s

71/100

10%

TBT (Total Blocking Time)

Value130 ms

96/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value4.9 s

78/100

10%

Network Requests Diagram

twvns.org

55 ms

twvns.org

98 ms

www.twvns.org

26 ms

www.twvns.org

738 ms

content.css

83 ms

Our browser made a total of 33 requests to load all elements on the main page. We found that 79% of them (26 requests) were addressed to the original Twvns.org, 15% (5 requests) were made to Google.com and 6% (2 requests) were made to Cse.google.com. The less responsive or slowest element that took the longest time to load (738 ms) belongs to the original domain Twvns.org.

Page Optimization Overview & Recommendations

Page size can be reduced by 281.0 kB (31%)

Content Size

910.6 kB

After Optimization

629.5 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Twvns.org main page is 910.6 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. 45% of websites need less resources to load. Images take 534.1 kB which makes up the majority of the site volume.

HTML Optimization

-78%

Potential reduce by 46.2 kB

  • Original 58.9 kB
  • After minification 52.3 kB
  • After compression 12.7 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. This page needs HTML code to be minified as it can gain 6.6 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 46.2 kB or 78% of the original size.

Image Optimization

-22%

Potential reduce by 118.5 kB

  • Original 534.1 kB
  • After minification 415.6 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. Obviously, TWVNS needs image optimization as it can save up to 118.5 kB or 22% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-37%

Potential reduce by 111.5 kB

  • Original 302.2 kB
  • After minification 301.9 kB
  • After compression 190.7 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 111.5 kB or 37% of the original size.

CSS Optimization

-31%

Potential reduce by 4.8 kB

  • Original 15.4 kB
  • After minification 15.4 kB
  • After compression 10.6 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. Twvns.org needs all CSS files to be minified and compressed as it can save up to 4.8 kB or 31% of the original size.

Requests Breakdown

Number of requests can be reduced by 11 (38%)

Requests Now

29

After Optimization

18

  • Images
  • JavaScript
  • CSS

The browser has sent 29 CSS, Javascripts, AJAX and image requests in order to completely render the main page of TWVNS. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 6 to 1 for JavaScripts and from 7 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

twvns.org accessibility score

73

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.

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

twvns.org 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

Displays images with incorrect aspect ratio

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

twvns.org SEO score

91

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

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

High

Document uses legible font sizes

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    JA

  • Language Claimed

    ZH

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Twvns.org can be misinterpreted by Google and other search engines. Our service has detected that Japanese is used on the page, and it does not match the claimed Chinese language. Our system also found out that Twvns.org 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 TWVNS. 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: