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kaisertw.com screenshot

15

Performance

Renders faster than
27% of other websites
72

Accessibility

Visual factors better than
that of 37% of websites
67

Best Practices

More advanced features
available than in
24% of websites
83

SEO

Google-friendlier than
46% of websites

First Response

974 ms

Resources Loaded

15.1 sec

Page Rendered

1.2 sec

kaisertw.com screenshot

About Website

Welcome to kaisertw.com homepage info - get ready to check Kaisertw best content for Taiwan right away, or after learning these important things about kaisertw.com

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Key Findings

We analyzed Kaisertw.com page load time and found that the first response time was 974 ms and then it took 16.3 sec to load all DOM resources and completely render a web page. This is an excellent result, as only a small number of websites can load faster.

name

value

score

weighting

FCP (First Contentful Paint)

Value5.8 s

4/100

10%

LCP (Largest Contentful Paint)

Value9.1 s

1/100

25%

SI (Speed Index)

Value14.5 s

1/100

10%

TBT (Total Blocking Time)

Value7,320 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.08

94/100

15%

TTI (Time to Interactive)

Value30.3 s

0/100

10%

kaisertw.com

974 ms

style.css

17 ms

jquery.pack.js

1658 ms

JSChat.js

27 ms

515586

1253 ms

Our browser made a total of 208 requests to load all elements on the main page. We found that 26% of them (54 requests) were addressed to the original Kaisertw.com, 16% (33 requests) were made to Bhjt.lkj-lijn.com and 13% (28 requests) were made to Sbzytpimg1.com. The less responsive or slowest element that took the longest time to load (9.1 sec) relates to the external source 165tchuang.com.

Content Size

6.1 MB

After Optimization

5.3 MB

In fact, the total size of Kaisertw.com main page is 6.1 MB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. Only a small number of websites need less resources to load. Images take 5.9 MB which makes up the majority of the site volume.

HTML Optimization

-79%

Potential reduce by 54.2 kB

Original 68.4 kB
After minification 61.4 kB
After compression 14.2 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 54.2 kB or 79% of the original size.

Image Optimization

-12%

Potential reduce by 727.3 kB

Original 5.9 MB
After minification 5.1 MB

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, Kaisertw needs image optimization as it can save up to 727.3 kB or 12% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-6%

Potential reduce by 8.3 kB

Original 129.6 kB
After minification 129.6 kB
After compression 121.3 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.

CSS Optimization

-18%

Potential reduce by 10.3 kB

Original 55.7 kB
After minification 55.7 kB
After compression 45.5 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. Kaisertw.com needs all CSS files to be minified and compressed as it can save up to 10.3 kB or 18% of the original size.

Requests Now

179

After Optimization

147

The browser has sent 179 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Kaisertw. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 18 to 1 for JavaScripts and from 6 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 the experience of reading tabular or list data using assistive technology, like a screen reader.

High

<dl>'s do not contain only properly-ordered <dt> and <dd> groups, <script>, <template> or <div> elements.

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

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

<frame> or <iframe> elements do not have a title

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

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 items highlight common accessibility best practices.

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Areas of Improvement

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

Search Engine Optimization Advices

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

High

Links are not crawlable

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

N/A
Language Claimed

N/A
Encoding

UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Kaisertw.com can be misinterpreted by Google and other search engines. Unfortunately we cannot identify language used on the page (probably there is a mix of languages, too little text or something else) and no language is claimed in <html> or <meta> tags either. Our system also found out that Kaisertw.com 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

kaisertw.com

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