Tools & Wizards About Us
cavesart.com screenshot

Report Summary

  • 66

    Performance

    Renders faster than
    79% of other websites

  • 46

    Accessibility

    Visual factors better than
    that of 19% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 62

    SEO

    Google-friendlier than
    22% of websites

cavesart.com

敦煌藝術中心

Page Load Speed

3.1 sec in total

First Response

449 ms

Resources Loaded

2.5 sec

Page Rendered

139 ms

cavesart.com screenshot

About Website

Click here to check amazing Cavesart content for Taiwan. Otherwise, check out these important facts you probably never knew about cavesart.com

敦煌藝術中心，1983年，畫家洪平濤為提供中青藝術家發表的園地，以經營者、推廣者的角度創辦了敦煌藝術中心，走過臺灣經濟發展的八十年代，文化多元鼎盛的九十年代。除了致力於藝術產業經營外，並開辦敦煌學苑，首創民間藝術研究及欣賞的講座，開創藝術流行風潮，並出版敦煌藝訊，開設藝術網路拍賣。同時以美術史的眼光整理中國油畫史，重新發掘湮沒於時代動亂中傑出的藝術家。

Visit cavesart.com

Key Findings

We analyzed Cavesart.com page load time and found that the first response time was 449 ms and then it took 2.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 50% of websites can load faster.

Performance Metrics

cavesart.com performance score

66

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.4 s

72/100

10%

LCP (Largest Contentful Paint)

Value6.5 s

9/100

25%

SI (Speed Index)

Value4.1 s

79/100

10%

TBT (Total Blocking Time)

Value70 ms

99/100

30%

CLS (Cumulative Layout Shift)

Value0.168

71/100

15%

TTI (Time to Interactive)

Value4.3 s

85/100

10%

Network Requests Diagram

cavesart.com

449 ms

www.cavesart.com

455 ms

main.css

207 ms

index.css

405 ms

jquery-1.8.3.min.js

811 ms

Our browser made a total of 20 requests to load all elements on the main page. We found that 95% of them (19 requests) were addressed to the original Cavesart.com, 5% (1 request) were made to Cdn.jquerytools.org. The less responsive or slowest element that took the longest time to load (1.6 sec) belongs to the original domain Cavesart.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 301.8 kB (38%)

Content Size

803.7 kB

After Optimization

501.9 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Cavesart.com main page is 803.7 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. 30% of websites need less resources to load. Images take 468.6 kB which makes up the majority of the site volume.

HTML Optimization

-77%

Potential reduce by 6.2 kB

  • Original 8.1 kB
  • After minification 6.4 kB
  • After compression 1.8 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 1.6 kB, which is 20% 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 6.2 kB or 77% of the original size.

Image Optimization

-15%

Potential reduce by 69.4 kB

  • Original 468.6 kB
  • After minification 399.3 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, Cavesart needs image optimization as it can save up to 69.4 kB or 15% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-68%

Potential reduce by 200.6 kB

  • Original 293.6 kB
  • After minification 273.7 kB
  • After compression 93.0 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 200.6 kB or 68% of the original size.

CSS Optimization

-77%

Potential reduce by 25.6 kB

  • Original 33.4 kB
  • After minification 33.4 kB
  • After compression 7.8 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. Cavesart.com needs all CSS files to be minified and compressed as it can save up to 25.6 kB or 77% of the original size.

Requests Breakdown

Number of requests can be reduced by 3 (17%)

Requests Now

18

After Optimization

15

  • Images
  • JavaScript
  • CSS

The browser has sent 18 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Cavesart. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 4 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

cavesart.com

cavesart.com

449 ms

www.cavesart.com

www.cavesart.com

455 ms

main.css

main.css

207 ms

index.css

index.css

405 ms

jquery-1.8.3.min.js

jquery-1.8.3.min.js

811 ms

main.js

main.js

423 ms

jquery.tools.min.js

jquery.tools.min.js

13 ms

jquery.cycle.all.js

jquery.cycle.all.js

611 ms

logo.png

logo.png

1267 ms

20160315193101912.jpg

20160315193101912.jpg

880 ms

20151023213102952.jpg

20151023213102952.jpg

1003 ms

20151023213149490.jpg

20151023213149490.jpg

1004 ms

20151023212914123.jpg

20151023212914123.jpg

1414 ms

20151023213021261.jpg

20151023213021261.jpg

1207 ms

20151023213241291.jpg

20151023213241291.jpg

1268 ms

20151023212724016.jpg

20151023212724016.jpg

1204 ms

20151023212832957.jpg

20151023212832957.jpg

1606 ms

20151023213702932.jpg

20151023213702932.jpg

1404 ms

mini_bottom.png

mini_bottom.png

1406 ms

miscellaneous_sprite.png

miscellaneous_sprite.png

1070 ms

Accessibility Review

cavesart.com accessibility score

46

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

Form elements do not have associated labels

High

Links do not have a discernible name

Tables and lists

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

Impact

Issue

High

List items (<li>) are not contained within <ul> or <ol> parent elements.

Best Practices

cavesart.com best practices score

75

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

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

cavesart.com SEO score

62

Search Engine Optimization Advices

Crawling and Indexing

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

Impact

Issue

High

Links are not crawlable

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

    JA

  • Language Claimed

    ZH

  • Encoding

    UTF-8

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

cavesart.com

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