7.3 sec in total
615 ms
6.3 sec
447 ms
Click here to check amazing Buybook content. Otherwise, check out these important facts you probably never knew about buybook.com.tw
買書網 ~ 提供台灣最完整書籍比價、書籍搜尋、二手書買賣,讓您快速買到最便宜的書!
Visit buybook.com.twWe analyzed Buybook.com.tw page load time and found that the first response time was 615 ms and then it took 6.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 80% of websites can load faster.
buybook.com.tw performance score
name
value
score
weighting
Value2.8 s
55/100
10%
Value4.1 s
46/100
25%
Value10.2 s
8/100
10%
Value4,500 ms
0/100
30%
Value0.294
40/100
15%
Value18.1 s
3/100
10%
615 ms
922 ms
176 ms
29 ms
337 ms
Our browser made a total of 132 requests to load all elements on the main page. We found that 17% of them (23 requests) were addressed to the original Buybook.com.tw, 15% (20 requests) were made to Im2.book.com.tw and 11% (14 requests) were made to Scontent.xx.fbcdn.net. The less responsive or slowest element that took the longest time to load (4.2 sec) relates to the external source Im2.book.com.tw.
Page size can be reduced by 196.1 kB (49%)
404.0 kB
207.9 kB
In fact, the total size of Buybook.com.tw main page is 404.0 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. 60% of websites need less resources to load. Javascripts take 182.1 kB which makes up the majority of the site volume.
Potential reduce by 48.3 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 48.3 kB or 78% of the original size.
Potential reduce by 18.1 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. Obviously, Buybook needs image optimization as it can save up to 18.1 kB or 14% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 104.4 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 104.4 kB or 57% of the original size.
Potential reduce by 25.3 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. Buybook.com.tw needs all CSS files to be minified and compressed as it can save up to 25.3 kB or 80% of the original size.
Number of requests can be reduced by 62 (48%)
128
66
The browser has sent 128 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Buybook. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 31 to 1 for JavaScripts and from 11 to 1 for CSS and as a result speed up the page load time.
buybook.com.tw
615 ms
www.buybook.com.tw
922 ms
reset.css
176 ms
grids-min.css
29 ms
base.css
337 ms
jquery.autocomplete.css
354 ms
jquery.min.js
19 ms
plusone.js
91 ms
com-index.css
341 ms
show_ads.js
19 ms
autosuggest.css
345 ms
all.js
174 ms
jquery.autocomplete.min.js
363 ms
jquery.switchable.all.min.js
395 ms
display.js
507 ms
ga.js
512 ms
com-common.css
186 ms
com-master.css
188 ms
com-header.css
208 ms
cb=gapi.loaded_0
62 ms
getImage
2182 ms
collect_big5_over.gif
667 ms
tw.buy.yahoo.com
1248 ms
grainbg2.jpg
210 ms
logo.png
207 ms
search_btn.png
212 ms
title_bg.jpg
211 ms
curr_tab.jpg
207 ms
getImage
2007 ms
getImage
2016 ms
getImage
2036 ms
getImage
2029 ms
getImage
2052 ms
getImage
2235 ms
getImage
2255 ms
getImage
3710 ms
getImage
2283 ms
getImage
2307 ms
getImage
2392 ms
getImage
2464 ms
getImage
2495 ms
getImage
2530 ms
getImage
2569 ms
getImage
2611 ms
getImage
4114 ms
getImage
4151 ms
getImage
2773 ms
ca-pub-7306347511045995.js
81 ms
zrt_lookup.html
140 ms
show_ads_impl.js
99 ms
cnyeshomeBgX.png
623 ms
TagsBgX.png
868 ms
www.cssflow.com
135 ms
j1.gif
208 ms
szd.jpg
248 ms
sz.gif
253 ms
ads
326 ms
ga.js
23 ms
ping
126 ms
osd.js
48 ms
divider_v1.gif
175 ms
158 ms
likebox.php
416 ms
xd_arbiter.php
144 ms
xd_arbiter.php
265 ms
ads
292 ms
__utm.gif
29 ms
ads
235 ms
161 ms
adj
102 ms
beacon
101 ms
m_js_controller.js
40 ms
abg.js
56 ms
googlelogo_color_112x36dp.png
44 ms
imgad
34 ms
nessie_icon_magazine_black.png
41 ms
nessie_icon_magazine_white.png
38 ms
s
23 ms
x_button_blue2.png
10 ms
Tqng9ngJVK4Gqvh3e602hP-HqlN49KFEUSDtmrOPmWo.js
12 ms
410ucuAGgaJ.css
212 ms
tSbl8xBI27R.css
290 ms
q68gy-v_YMF.js
401 ms
FJmpeSpHpjS.js
481 ms
0wM5s1Khldu.js
443 ms
1bNoFZUdlYZ.js
442 ms
17 ms
0
82 ms
surly.js
85 ms
index.html
263 ms
verify_selector.js
197 ms
blank.gif
209 ms
ba.html
21 ms
pixel
28 ms
4.gif
28 ms
lidar.js
7 ms
sbhK2lTE.js
7 ms
cTrvNaRi.html
13 ms
4311.js
54 ms
pixel
73 ms
pixel
73 ms
setuid
78 ms
verifyr.js
77 ms
sd
4 ms
beacon.js
91 ms
0
20 ms
bg.png
41 ms
adchoices.en.png
86 ms
Rejuvenation_728x90_logo.gif
69 ms
Rejuvenation_728x90_bg.jpg
99 ms
box_19_top-right.png
56 ms
ci.png
93 ms
399548_10149999285987789_1102888142_n.png
221 ms
12744250_112046829185076_5732205258605044258_n.jpg
252 ms
10354686_10150004552801856_220367501106153455_n.jpg
293 ms
1424263_1376340069285556_871987165_n.jpg
511 ms
11150259_812161378833598_443375336686932976_n.jpg
336 ms
11751890_10207286962403146_6919481465462644921_n.jpg
505 ms
11082641_934010293347716_3965869007278215984_n.jpg
369 ms
10406486_10206642188031164_9194387018027283665_n.jpg
382 ms
12143065_147274102289268_7485764241166953638_n.jpg
382 ms
12234977_388276321297086_7219212830559906823_n.jpg
425 ms
11811324_1677643899134981_2536132499529219845_n.jpg
445 ms
10352744_834501296562227_3884731394959345876_n.jpg
454 ms
11173397_1097214846960380_5148531214465947998_n.jpg
455 ms
552795_10200300227886687_1095381604_n.jpg
521 ms
wL6VQj7Ab77.png
86 ms
s7jcwEQH7Sx.png
86 ms
I6-MnjEovm5.js
43 ms
pQrUxxo5oQp.js
81 ms
activeview
14 ms
activeview
27 ms
buybook.com.tw accessibility score
ARIA
These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.
Impact
Issue
[aria-*] attributes do not match their roles
[aria-*] attributes do not have valid values
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
Buttons do not have an accessible name
<frame> or <iframe> elements do not have a title
Image elements do not have [alt] attributes
Links do not have a discernible name
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
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
Lists do not contain only <li> elements and script supporting elements (<script> and <template>).
List items (<li>) are not contained within <ul> or <ol> parent elements.
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.
buybook.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
Browser errors were logged to the console
Page has valid source maps
Issues were logged in the Issues panel in Chrome Devtools
buybook.com.tw SEO score
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
JA
ZH
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Buybook.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 Buybook.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.
buybook.com.tw
Open Graph description is not detected on the main page of Buybook. 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: