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name

value

score

weighting

FCP (First Contentful Paint)

Value1.5 s

95/100

10%

LCP (Largest Contentful Paint)

Value2.6 s

87/100

25%

SI (Speed Index)

Value1.5 s

100/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value1.5 s

100/100

10%

tande.com.tw

105 ms

welcome.jpg

8 ms

solar-demo.jpg

9 ms

logo.jpg

13 ms

krymodule-multistage.jpg

11 ms

Our browser made a total of 7 requests to load all elements on the main page. We found that 86% of them (6 requests) were addressed to the original Tande.com.tw, 14% (1 request) were made to Hitwebcounter.com. The less responsive or slowest element that took the longest time to load (105 ms) belongs to the original domain Tande.com.tw.

Content Size

123.2 kB

After Optimization

106.4 kB

In fact, the total size of Tande.com.tw main page is 123.2 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. 15% of websites need less resources to load. Images take 111.2 kB which makes up the majority of the site volume.

HTML Optimization

-73%

Potential reduce by 8.7 kB

Original 12.0 kB
After minification 11.3 kB
After compression 3.3 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 8.7 kB or 73% of the original size.

Image Optimization

-7%

Potential reduce by 8.1 kB

Original 111.2 kB
After minification 103.1 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. Tande images are well optimized though.

Requests Now

After Optimization

The browser has sent 6 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Tande. According to our analytics all requests are already optimized.

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 the interpretation of your content by users in different locales.

High

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

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

Areas of Improvement

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

High

Serves images with low resolution

High

Browser errors were logged to the console

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

Language and Encoding

Language Detected

JA
Language Claimed

ZH
Encoding

BIG5

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Tande.com.tw 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 Tande.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 Tande. 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: