7.4 sec in total
1 sec
6.2 sec
154 ms
Visit chulabook.com now to see the best up-to-date Chulabook content for Thailand and also check out these interesting facts you probably never knew about chulabook.com
เว็บไซต์ร้านหนังสือศูนย์หนังสือแห่งจุฬาลงกรณ์มหาวิทยาลัย สั่งซื้อหนังสือออนไลน์ อีบุ๊ค สินค้าไลฟ์สไตล์ ราคาพิเศษ ซื้อครบ 700 บาทจัดส่งฟรี
Visit chulabook.comWe analyzed Chulabook.com page load time and found that the first response time was 1 sec and then it took 6.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 80% of websites can load faster.
chulabook.com performance score
name
value
score
weighting
Value9.3 s
0/100
10%
Value12.5 s
0/100
25%
Value13.8 s
1/100
10%
Value1,020 ms
26/100
30%
Value0.204
61/100
15%
Value12.3 s
15/100
10%
1007 ms
339 ms
3672 ms
2433 ms
2080 ms
Our browser made a total of 11 requests to load all elements on the main page. We found that all of those requests were addressed to Chulabook.com and no external sources were called. The less responsive or slowest element that took the longest time to load (5.2 sec) belongs to the original domain Chulabook.com.
Page size can be reduced by 2.4 kB (0%)
528.5 kB
526.1 kB
In fact, the total size of Chulabook.com main page is 528.5 kB. This result falls within a vast category (top 1 000 000) of heavyweight, probably not optimized, and thus slow loading web pages. Only a small number of websites need less resources to load. Images take 525.2 kB which makes up the majority of the site volume.
Potential reduce by 2.2 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 2.2 kB or 67% of the original size.
Potential reduce by 232 B
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. Chulabook images are well optimized though.
We found no issues to fix!
10
10
The browser has sent 10 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Chulabook. According to our analytics all requests are already optimized.
chulabook.com
1007 ms
chulabook.com
339 ms
standard-intro_01.jpg
3672 ms
standard-intro_02.jpg
2433 ms
standard-intro_03.jpg
2080 ms
standard-intro_04.jpg
2683 ms
standard-intro_05.jpg
1863 ms
standard-intro_06.jpg
969 ms
standard-intro_07.jpg
4612 ms
standard-intro_08.jpg
5223 ms
standard-intro_09.jpg
5060 ms
chulabook.com 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
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
Form elements do not have associated labels
Links do not have a discernible name
chulabook.com 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
General
Impact
Issue
Detected JavaScript libraries
chulabook.com SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
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
N/A
N/A
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Chulabook.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 Chulabook.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.
chulabook.com
Open Graph description is not detected on the main page of Chulabook. 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: