8.8 sec in total
1.3 sec
7.1 sec
380 ms
Click here to check amazing Db Books content for Taiwan. Otherwise, check out these important facts you probably never knew about db.books.com.tw
博客來提供上百萬書籍、百貨、影音、設計、文具、美食、有機、美妝、服飾。網路書店有齊全的繁簡體外文書籍雜誌,購物網多樣性百貨設計商品滿足您購物需求。取貨安全方便,中午前訂7-11隔日取
Visit db.books.com.twWe analyzed Db.books.com.tw page load time and found that the first response time was 1.3 sec and then it took 7.5 sec to load all DOM resources and completely render a web page. This is a poor result, as 85% of websites can load faster.
db.books.com.tw performance score
name
value
score
weighting
Value4.9 s
11/100
10%
Value9.5 s
0/100
25%
Value13.0 s
2/100
10%
Value560 ms
53/100
30%
Value0.453
20/100
15%
Value13.7 s
10/100
10%
1297 ms
417 ms
441 ms
1724 ms
2353 ms
Our browser made a total of 69 requests to load all elements on the main page. We found that 0% of them (0 request) were addressed to the original Db.books.com.tw, 17% (12 requests) were made to Im1.book.com.tw and 13% (9 requests) were made to Im2.book.com.tw. The less responsive or slowest element that took the longest time to load (2.4 sec) relates to the external source Jci.book.com.tw.
Page size can be reduced by 401.9 kB (35%)
1.2 MB
759.1 kB
In fact, the total size of Db.books.com.tw main page is 1.2 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. 30% of websites need less resources to load. Images take 634.8 kB which makes up the majority of the site volume.
Potential reduce by 50.7 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. 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 50.7 kB or 79% of the original size.
Potential reduce by 14.8 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. Db Books images are well optimized though.
Potential reduce by 115.6 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 115.6 kB or 57% of the original size.
Potential reduce by 220.8 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. Db.books.com.tw needs all CSS files to be minified and compressed as it can save up to 220.8 kB or 86% of the original size.
Number of requests can be reduced by 32 (48%)
67
35
The browser has sent 67 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Db Books. 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 11 to 1 for CSS and as a result speed up the page load time.
www.books.com.tw
1297 ms
overlay-n.css
417 ms
css.css
441 ms
jquery.autocomplete.css
1724 ms
jquery-1.6.4.min.js
2353 ms
jquery.timers-1.2.js
443 ms
header.js
670 ms
jquery.autocomplete.min.js
1943 ms
init.js
447 ms
aeil.js
603 ms
adv_log.js
620 ms
jquery.lazyload.min.js
1736 ms
uselazyload.js
658 ms
head.min.js
1742 ms
change_multi_mbn.js
660 ms
change_multi_tab.js
670 ms
ajax_product_show.js
806 ms
menu.php
1475 ms
conversion.js
19 ms
reset_mod.css
1338 ms
b960_24.css
1491 ms
mod_skin.css
1508 ms
home.css
440 ms
type_2011.css
458 ms
type_2011_color.css
456 ms
books.css
683 ms
header.css
575 ms
shoppingcar.gif
206 ms
getImage
1438 ms
getImage
2302 ms
activitybt_02.gif
606 ms
getImage
1027 ms
activitybt_03.gif
581 ms
everylettermatters_greenbt_02.gif
584 ms
today66_7825.gif
585 ms
sp_header.png
449 ms
tip.png
227 ms
sp_type03_icon.png
221 ms
getImage
415 ms
getImage
438 ms
getImage
1552 ms
getImage
1002 ms
getImage
410 ms
getImage
616 ms
getImage
784 ms
getImage
791 ms
getImage
1039 ms
getImage
579 ms
getImage
831 ms
getImage
609 ms
sp_footer.png
222 ms
getImage
779 ms
ga.js
59 ms
77 ms
fbds.js
95 ms
1318fyg27946.js
51 ms
369 ms
M201101_075_view
312 ms
M201101_075_view
405 ms
getImage
1381 ms
getImage
952 ms
getImage
1132 ms
getImage
753 ms
getImage
757 ms
tp
21 ms
__utm.gif
13 ms
38 ms
21 ms
3 ms
db.books.com.tw accessibility score
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
Background and foreground colors do not have a sufficient contrast ratio.
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
Heading elements are not in a sequentially-descending order
Internationalization and localization
These are opportunities to improve the interpretation of your content by users in different locales.
Impact
Issue
<html> element does not have a [lang] attribute
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
Image elements do not have [alt] attributes
Links do not have a discernible name
Best practices
These items highlight common accessibility best practices.
Impact
Issue
[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.
db.books.com.tw best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Includes front-end JavaScript libraries with known security vulnerabilities
Ensure CSP is effective against XSS attacks
User Experience
Impact
Issue
Displays images with incorrect aspect ratio
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
db.books.com.tw SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
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
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
Document uses legible font sizes
Tap targets are not sized appropriately
EN
ZH
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Db.books.com.tw can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it does not match the claimed Chinese language. Our system also found out that Db.books.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.
db.books.com.tw
Open Graph description is not detected on the main page of Db Books. 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: