Access biker.com.tw. 單車喜客自行車人文精品店

name

value

score

weighting

FCP (First Contentful Paint)

Value5.6 s

5/100

10%

LCP (Largest Contentful Paint)

Value19.6 s

0/100

25%

SI (Speed Index)

Value9.1 s

14/100

10%

TBT (Total Blocking Time)

Value60 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.008

100/100

15%

TTI (Time to Interactive)

Value6.0 s

64/100

10%

www.biker.com.tw

894 ms

public.js

412 ms

JsLoader.js

400 ms

xajax.js

604 ms

xajax_extend.js

438 ms

Our browser made a total of 131 requests to load all elements on the main page. We found that 98% of them (129 requests) were addressed to the original Biker.com.tw, 2% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (4.2 sec) belongs to the original domain Biker.com.tw.

Content Size

3.4 MB

After Optimization

2.6 MB

In fact, the total size of Biker.com.tw main page is 3.4 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. 35% of websites need less resources to load. Images take 3.0 MB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 43.9 kB

Original 52.0 kB
After minification 48.5 kB
After compression 8.1 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 43.9 kB or 84% of the original size.

Image Optimization

-18%

Potential reduce by 540.7 kB

Original 3.0 MB
After minification 2.5 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, Biker needs image optimization as it can save up to 540.7 kB or 18% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-63%

Potential reduce by 135.2 kB

Original 213.5 kB
After minification 195.7 kB
After compression 78.3 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 135.2 kB or 63% of the original size.

CSS Optimization

-84%

Potential reduce by 42.0 kB

Original 49.9 kB
After minification 44.9 kB
After compression 7.9 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. Biker.com.tw needs all CSS files to be minified and compressed as it can save up to 42.0 kB or 84% of the original size.

Requests Now

129

After Optimization

The browser has sent 129 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Biker. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 9 to 1 for JavaScripts 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 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

High

Form elements do not have associated labels

High

Links do not have a discernible name

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

High

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

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

High

Serves images with low resolution

Low

Detected JavaScript libraries

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

ZH
Language Claimed

EN
Encoding

UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Biker.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 English language. Our system also found out that Biker.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

biker.com.tw

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

Report Summary

Performance

Accessibility

Best Practices

SEO

單車喜客自行車人文精品店

Page Load Speed

First Response

Resources Loaded

Page Rendered

About Website

Key Findings

Performance Metrics

Measured Metrics

FCP (First Contentful Paint)

LCP (Largest Contentful Paint)

SI (Speed Index)

TBT (Total Blocking Time)

CLS (Cumulative Layout Shift)

TTI (Time to Interactive)

Network Requests Diagram

www.biker.com.tw

public.js

JsLoader.js

xajax.js

xajax_extend.js

Page Optimization Overview & Recommendations

Content Size

After Optimization

HTML Optimization

Image Optimization

JavaScript Optimization

CSS Optimization

Requests Breakdown

Requests Now

After Optimization

Network Requests Diagram

www.biker.com.tw

public.js

JsLoader.js

xajax.js

xajax_extend.js

style.css

style.css

jquery-1.7.1.min.js

pirobox.min.js

jquery.tools.min.js

normal.js

logo.png

bt_join.jpg

search_bt.jpg

epaper_bt.jpg

icon_google.jpg

icon_facebook.jpg

bt1.jpg

bt2.jpg

bt3.jpg

bt4.jpg

bt10.jpg

bt5.jpg

bt6.jpg

bt7.jpg

bt8.jpg

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brand_lt.jpg

U2084782466L.png

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