8.2 sec in total
663 ms
7.4 sec
119 ms
Visit nosabooks.com now to see the best up-to-date NOSA BOOKS content for Iran and also check out these interesting facts you probably never knew about nosabooks.com
Visit nosabooks.comWe analyzed Nosabooks.com page load time and found that the first response time was 663 ms 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.
nosabooks.com performance score
name
value
score
weighting
Value4.4 s
17/100
10%
Value4.4 s
40/100
25%
Value6.4 s
41/100
10%
Value490 ms
59/100
30%
Value0.195
63/100
15%
Value9.0 s
34/100
10%
663 ms
446 ms
1132 ms
3467 ms
516 ms
Our browser made a total of 22 requests to load all elements on the main page. We found that all of those requests were addressed to Nosabooks.com and no external sources were called. The less responsive or slowest element that took the longest time to load (3.5 sec) belongs to the original domain Nosabooks.com.
Page size can be reduced by 602.6 kB (79%)
759.0 kB
156.4 kB
In fact, the total size of Nosabooks.com main page is 759.0 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. Only 10% of websites need less resources to load. Javascripts take 467.6 kB which makes up the majority of the site volume.
Potential reduce by 139.7 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 139.7 kB or 91% of the original size.
Potential reduce by 12.2 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, NOSA BOOKS needs image optimization as it can save up to 12.2 kB or 20% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 381.2 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 381.2 kB or 82% of the original size.
Potential reduce by 69.6 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. Nosabooks.com needs all CSS files to be minified and compressed as it can save up to 69.6 kB or 90% of the original size.
Number of requests can be reduced by 12 (60%)
20
8
The browser has sent 20 CSS, Javascripts, AJAX and image requests in order to completely render the main page of NOSA 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 6 to 1 for JavaScripts and as a result speed up the page load time.
nosabooks.com
663 ms
Home.aspx
446 ms
MobileFirst.css
1132 ms
JQuery.js
3467 ms
jquery.history.js
516 ms
UI.js
1949 ms
HandleRequest.js
2963 ms
SlideHandler.js
465 ms
edge.6.0.0.min.js
3025 ms
Res_NOSA_Books_Logo.svg
2024 ms
homepage_combine.png
2029 ms
getFile.aspx
764 ms
Loader200px.gif
537 ms
ImageStyle.png
285 ms
bookblue.png
306 ms
getFile.aspx
955 ms
getFile.aspx
978 ms
getFile.aspx
766 ms
getFile.aspx
724 ms
getFile.aspx
751 ms
getFile.aspx
963 ms
getFile.aspx
977 ms
nosabooks.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.
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
Form elements do not have associated labels
Links do not have a discernible name
nosabooks.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
Browser errors were logged to the console
nosabooks.com 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
FA
N/A
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Nosabooks.com can be misinterpreted by Google and other search engines. Our service has detected that Persian is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Nosabooks.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.
nosabooks.com
Open Graph description is not detected on the main page of NOSA 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: