Tools & Wizards About Us
centralbooksonline.com screenshot

Report Summary

  • 0

    Performance

  • 0

    Accessibility

  • 0

    Best Practices

  • 0

    SEO

centralbooksonline.com

Home page

Page Load Speed

19.9 sec in total

First Response

897 ms

Resources Loaded

18.6 sec

Page Rendered

372 ms

centralbooksonline.com screenshot

About Website

Visit centralbooksonline.com now to see the best up-to-date Centralbooksonline content for India and also check out these interesting facts you probably never knew about centralbooksonline.com

CentralBooksOnline.com is India's leading Online Bookstore and complete education portal. We provide School Books, Competitive Books, General Books & Stationery across all age groups with their daily ...

Visit centralbooksonline.com

Key Findings

We analyzed Centralbooksonline.com page load time and found that the first response time was 897 ms and then it took 19 sec to load all DOM resources and completely render a web page. This is an excellent result, as only a small number of websites can load faster.

Performance Metrics

centralbooksonline.com performance score

0

Network Requests Diagram

centralbooksonline.com

897 ms

www.centralbooksonline.com

5137 ms

calendar-win2k-1.css

1194 ms

styles.css

1130 ms

widgets.css

1217 ms

Our browser made a total of 135 requests to load all elements on the main page. We found that 87% of them (118 requests) were addressed to the original Centralbooksonline.com, 5% (7 requests) were made to S9.mylivechat.com and 1% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (5.1 sec) belongs to the original domain Centralbooksonline.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 945.3 kB (44%)

Content Size

2.2 MB

After Optimization

1.2 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Centralbooksonline.com main page is 2.2 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. 65% of websites need less resources to load. Images take 1.0 MB which makes up the majority of the site volume.

HTML Optimization

-88%

Potential reduce by 182.1 kB

  • Original 206.2 kB
  • After minification 206.0 kB
  • After compression 24.1 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 182.1 kB or 88% of the original size.

Image Optimization

-10%

Potential reduce by 100.9 kB

  • Original 1.0 MB
  • After minification 928.1 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. Centralbooksonline images are well optimized though.

JavaScript Optimization

-68%

Potential reduce by 452.4 kB

  • Original 665.9 kB
  • After minification 660.5 kB
  • After compression 213.5 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 452.4 kB or 68% of the original size.

CSS Optimization

-80%

Potential reduce by 209.8 kB

  • Original 263.7 kB
  • After minification 255.0 kB
  • After compression 53.9 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. Centralbooksonline.com needs all CSS files to be minified and compressed as it can save up to 209.8 kB or 80% of the original size.

Requests Breakdown

Number of requests can be reduced by 89 (69%)

Requests Now

129

After Optimization

40

  • Images
  • JavaScript
  • CSS

The browser has sent 129 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Centralbooksonline. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 42 to 1 for JavaScripts and from 43 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

centralbooksonline.com

centralbooksonline.com

897 ms

www.centralbooksonline.com

www.centralbooksonline.com

5137 ms

calendar-win2k-1.css

calendar-win2k-1.css

1194 ms

styles.css

styles.css

1130 ms

widgets.css

widgets.css

1217 ms

amshopby.css

amshopby.css

1175 ms

growler.css

growler.css

1112 ms

modalbox.css

modalbox.css

1071 ms

default.css

default.css

1634 ms

alert.css

alert.css

1679 ms

alphacube.css

alphacube.css

1701 ms

itemslider.css

itemslider.css

1750 ms

generic-nav.css

generic-nav.css

1780 ms

brands.css

brands.css

1793 ms

ultra-slideshow.css

ultra-slideshow.css

2199 ms

accordion.css

accordion.css

2254 ms

menu.css

menu.css

2269 ms

menu-accordion.css

menu-accordion.css

2323 ms

menu-dropdown.css

menu-dropdown.css

2340 ms

menu-sidebar.css

menu-sidebar.css

2350 ms

additional.css

additional.css

2760 ms

extra.css

extra.css

2823 ms

quickcontact.css

quickcontact.css

2577 ms

breadcrumbs.css

breadcrumbs.css

2888 ms

snippets.css

snippets.css

2908 ms

default.css

default.css

2909 ms

styles-infortis.css

styles-infortis.css

3140 ms

generic-cck.css

generic-cck.css

3685 ms

dropdown.css

dropdown.css

3731 ms

itemgrid.css

itemgrid.css

3885 ms

tabs.css

tabs.css

3918 ms

icons.css

icons.css

3960 ms

icons-font.css

icons-font.css

4128 ms

icons-theme.css

icons-theme.css

4252 ms

icons-social.css

icons-social.css

4340 ms

common.css

common.css

4576 ms

override-components.css

override-components.css

4621 ms

css

css

24 ms

chatinline.aspx

chatinline.aspx

160 ms

livechat.aspx

livechat.aspx

167 ms

override-theme.css

override-theme.css

3642 ms

grid12.css

grid12.css

3711 ms

design_default.css

design_default.css

3737 ms

grid_default.css

grid_default.css

3748 ms

layout_default.css

layout_default.css

3967 ms

override-config.css

override-config.css

4123 ms

prototype.js

prototype.js

3727 ms

ccard.js

ccard.js

3899 ms

validation.js

validation.js

3880 ms

builder.js

builder.js

3871 ms

effects.js

effects.js

4175 ms

dragdrop.js

dragdrop.js

4105 ms

controls.js

controls.js

3747 ms

slider.js

slider.js

3894 ms

js.js

js.js

3896 ms

form.js

form.js

3864 ms

translate.js

translate.js

4121 ms

cookies.js

cookies.js

4215 ms

product.js

product.js

3949 ms

configurable.js

configurable.js

3959 ms

calendar.js

calendar.js

3923 ms

calendar-setup.js

calendar-setup.js

3867 ms

jquery-1.7.2.min.js

jquery-1.7.2.min.js

4122 ms

jquery-noconflict.js

jquery-noconflict.js

4184 ms

jquery.owlcarousel.min.js

jquery.owlcarousel.min.js

3989 ms

jquery.easing.min.js

jquery.easing.min.js

3590 ms

jquery.accordion.min.js

jquery.accordion.min.js

3586 ms

window.js

window.js

3437 ms

modernizr.custom.min.js

modernizr.custom.min.js

3684 ms

matchMedia.js

matchMedia.js

3705 ms

matchMedia.addListener.js

matchMedia.addListener.js

3571 ms

enquire.js

enquire.js

3588 ms

jquery.tabs.min.js

jquery.tabs.min.js

3584 ms

imagesloaded.js

imagesloaded.js

3558 ms

growler.js

growler.js

3588 ms

effects.js

effects.js

3612 ms

window.js

window.js

3306 ms

modalbox.js

modalbox.js

3332 ms

ajaxcart.js

ajaxcart.js

3588 ms

bundle.js

bundle.js

3295 ms

app.js

app.js

3482 ms

ga.js

ga.js

38 ms

251772.js

251772.js

322 ms

logo.png

logo.png

321 ms

cart.png

cart.png

571 ms

01.jpg

01.jpg

572 ms

02.jpg

02.jpg

323 ms

03.jpg

03.jpg

571 ms

textbooks.jpg

textbooks.jpg

603 ms

generalbooks.jpg

generalbooks.jpg

625 ms

stationary.jpg

stationary.jpg

894 ms

ncert%20books.jpg

ncert%20books.jpg

884 ms

side_banner5.jpg

side_banner5.jpg

1149 ms

secure%20shopping2.png

secure%20shopping2.png

1143 ms

Shippingservices.png

Shippingservices.png

921 ms

shipping_icons.jpg

shipping_icons.jpg

1186 ms

need%20help2.png

need%20help2.png

1448 ms

link-separator.png

link-separator.png

1449 ms

ThemeIcons.woff

ThemeIcons.woff

1444 ms

cJZKeOuBrn4kERxqtaUH3SZ2oysoEQEeKwjgmXLRnTc.ttf

cJZKeOuBrn4kERxqtaUH3SZ2oysoEQEeKwjgmXLRnTc.ttf

41 ms

__utm.gif

__utm.gif

36 ms

rating.png

rating.png

1613 ms

collect

collect

246 ms

1.png

1.png

294 ms

bullet.png

bullet.png

1571 ms

704892.js

704892.js

494 ms

jsml.js

jsml.js

174 ms

foundation_science_physics_class_-_10-9789350270066-central_books_online.jpg

foundation_science_physics_class_-_10-9789350270066-central_books_online.jpg

1440 ms

alpha_mathematics_practice_book_class_-_2-9789351030287-central_books_online.jpg

alpha_mathematics_practice_book_class_-_2-9789351030287-central_books_online.jpg

1708 ms

amazing_science_class_-_4-9780199451692-central_books_online.jpg

amazing_science_class_-_4-9780199451692-central_books_online.jpg

1712 ms

galaxy_a_graded_course_in_mathematics_class_-_4-9780198080077-central_books_online.jpg

galaxy_a_graded_course_in_mathematics_class_-_4-9780198080077-central_books_online.jpg

1471 ms

computer_science_information_technology_class_-_6-9780195670776-central_books_online.jpg

computer_science_information_technology_class_-_6-9780195670776-central_books_online.jpg

1973 ms

ajax-loader.gif

ajax-loader.gif

2016 ms

icse_mathematics_-_7-9788177099959-central_books_online.jpg

icse_mathematics_-_7-9788177099959-central_books_online.jpg

2020 ms

icse_mathematics_-_10-9788177099447-central_books_online.jpg

icse_mathematics_-_10-9788177099447-central_books_online.jpg

2062 ms

go_maths_course_book_class_-_5-9788184771534-central_books_online.jpg

go_maths_course_book_class_-_5-9788184771534-central_books_online.jpg

2276 ms

general_knowledge_the_fun_way_class_-_2-9788173795237-central_books_online.jpg

general_knowledge_the_fun_way_class_-_2-9788173795237-central_books_online.jpg

2542 ms

joy_of_mathematics_class_-_1-9789350374115-central_books_online.jpg

joy_of_mathematics_class_-_1-9789350374115-central_books_online.jpg

2540 ms

9789339217969.jpg

9789339217969.jpg

2608 ms

9780070146334.jpg

9780070146334.jpg

2326 ms

9788131527900.jpg

9788131527900.jpg

2648 ms

9780070706354.jpg

9780070706354.jpg

2842 ms

9788121924986.jpg

9788121924986.jpg

2899 ms

let_s_do_and_learn_class_-_1-9788131714447-central_books_online.jpg

let_s_do_and_learn_class_-_1-9788131714447-central_books_online.jpg

3097 ms

start_with_art_class_-_4-9789381396117-central_books_online.jpg

start_with_art_class_-_4-9789381396117-central_books_online.jpg

3107 ms

start_with_art_-_c-9789381396070-central_books_online.jpg

start_with_art_-_c-9789381396070-central_books_online.jpg

2930 ms

js

js

172 ms

resources.aspx

resources.aspx

81 ms

let_s_get_art_smart_class_-_2-9789381360224-central_books_online.jpg

let_s_get_art_smart_class_-_2-9789381360224-central_books_online.jpg

3176 ms

InPageBubbleTop_Offline_3.png

InPageBubbleTop_Offline_3.png

44 ms

inpage_bubbletop_close.png

inpage_bubbletop_close.png

35 ms

inpage_1_exit.png

inpage_1_exit.png

70 ms

inpage_1_up.png

inpage_1_up.png

102 ms

let_s_get_art_smart_class_-_4-9789381360248-central_books_online.jpg

let_s_get_art_smart_class_-_4-9789381360248-central_books_online.jpg

3204 ms

print.css

print.css

571 ms

SEO Factors

centralbooksonline.com SEO score

0

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Centralbooksonline.com can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it matches the claimed language. Our system also found out that Centralbooksonline.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

centralbooksonline.com

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