1.3 sec in total
189 ms
877 ms
191 ms
Welcome to nebulabooks.com homepage info - get ready to check Nebulabooks best content right away, or after learning these important things about nebulabooks.com
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Visit nebulabooks.comWe analyzed Nebulabooks.com page load time and found that the first response time was 189 ms and then it took 1.1 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 20% of websites can load faster.
nebulabooks.com performance score
name
value
score
weighting
Value4.2 s
20/100
10%
Value5.4 s
21/100
25%
Value4.2 s
78/100
10%
Value450 ms
62/100
30%
Value0.078
95/100
15%
Value6.6 s
57/100
10%
189 ms
56 ms
119 ms
62 ms
30 ms
Our browser made a total of 38 requests to load all elements on the main page. We found that 61% of them (23 requests) were addressed to the original Nebulabooks.com, 13% (5 requests) were made to Pagead2.googlesyndication.com and 11% (4 requests) were made to Tpc.googlesyndication.com. The less responsive or slowest element that took the longest time to load (557 ms) belongs to the original domain Nebulabooks.com.
Page size can be reduced by 49.9 kB (27%)
185.2 kB
135.3 kB
In fact, the total size of Nebulabooks.com main page is 185.2 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 119.0 kB which makes up the majority of the site volume.
Potential reduce by 30.4 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 30.4 kB or 86% of the original size.
Potential reduce by 8.4 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. Nebulabooks images are well optimized though.
Potential reduce by 6.6 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 6.6 kB or 26% of the original size.
Potential reduce by 4.5 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. Nebulabooks.com needs all CSS files to be minified and compressed as it can save up to 4.5 kB or 77% of the original size.
Number of requests can be reduced by 14 (41%)
34
20
The browser has sent 34 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Nebulabooks. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 7 to 1 for JavaScripts and as a result speed up the page load time.
nebulabooks.com
189 ms
www.nebulabooks.com
56 ms
stylesheet.css
119 ms
vertical_solution_PPeCheck.gif
62 ms
show_ads.js
30 ms
nebula_books.gif
150 ms
header_account.gif
151 ms
header_cart.gif
150 ms
header_checkout.gif
157 ms
pixel_trans.gif
164 ms
selfpwwwublish.gif
302 ms
button_quick_find.gif
261 ms
pixel_trans.gif
264 ms
61777ebook_redo_2b_medfinal.gif
323 ms
virtasdfual-ebiz.jpg
270 ms
icecreambk.gif
281 ms
yoga_techniques.jpg
403 ms
premium.jpg
434 ms
39SuccessTips2.jpg
403 ms
ezine_ad_formatter.jpg
407 ms
Bigasdf175.jpg
557 ms
ezine-forsafsdmatter.jpg
445 ms
Webmaster-BUSINESS-Masters.jpg
523 ms
ca-pub-3110571473725427.js
28 ms
zrt_lookup.html
29 ms
show_ads_impl.js
49 ms
blue-gradient.gif
427 ms
box_header.gif
423 ms
ads
176 ms
osd.js
5 ms
m_js_controller.js
29 ms
abg.js
45 ms
favicon
50 ms
googlelogo_color_112x36dp.png
49 ms
nessie_icon_tiamat_white.png
34 ms
s
26 ms
x_button_blue2.png
12 ms
fBnyGA8Aionz5086-mElmoOSPUuyQ1M9Un647_EjucU.js
3 ms
nebulabooks.com 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
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
Links do not have a discernible name
nebulabooks.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
User Experience
Impact
Issue
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
nebulabooks.com SEO score
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
N/A
EN
ISO-8859-1
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Nebulabooks.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), while the claimed language is English. Our system also found out that Nebulabooks.com main page’s claimed encoding is iso-8859-1. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.
nebulabooks.com
Open Graph description is not detected on the main page of Nebulabooks. 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: