5.4 sec in total
1.2 sec
4 sec
225 ms
Visit ketab57.ir now to see the best up-to-date Ketab 57 content for Iran and also check out these interesting facts you probably never knew about ketab57.ir
ترویج فرهنگ خرید کتاب و کتابخوانی,خرید آنلاین کتاب,فروشگاه اینترنتی کتاب,جایزه روزانه,جایزه هفتگی,جایزه سال,
Visit ketab57.irWe analyzed Ketab57.ir page load time and found that the first response time was 1.2 sec and then it took 4.2 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.
ketab57.ir performance score
name
value
score
weighting
Value2.3 s
76/100
10%
Value4.9 s
29/100
25%
Value7.6 s
26/100
10%
Value260 ms
84/100
30%
Value0.001
100/100
15%
Value3.4 s
93/100
10%
1177 ms
1306 ms
703 ms
1406 ms
577 ms
Our browser made a total of 30 requests to load all elements on the main page. We found that 47% of them (14 requests) were addressed to the original Ketab57.ir, 50% (15 requests) were made to Static.ketab57.ir and 3% (1 request) were made to Trustseal.enamad.ir. The less responsive or slowest element that took the longest time to load (2 sec) relates to the external source Static.ketab57.ir.
Page size can be reduced by 325.4 kB (65%)
499.0 kB
173.5 kB
In fact, the total size of Ketab57.ir main page is 499.0 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. 15% of websites need less resources to load. CSS take 201.6 kB which makes up the majority of the site volume.
Potential reduce by 17.0 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 17.0 kB or 75% of the original size.
Potential reduce by 7.6 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. Ketab 57 images are well optimized though.
Potential reduce by 135.3 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 135.3 kB or 72% of the original size.
Potential reduce by 165.6 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. Ketab57.ir needs all CSS files to be minified and compressed as it can save up to 165.6 kB or 82% of the original size.
Number of requests can be reduced by 7 (26%)
27
20
The browser has sent 27 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Ketab 57. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 4 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.
ketab57.ir
1177 ms
jquery-1.11.3.min.js
1306 ms
bootstrap.min.js
703 ms
bootstrap.min.css
1406 ms
bootstrap-responsive.min.css
577 ms
prettify.css
599 ms
bootstrap-rtl.min.css
1103 ms
font-awesome.min.css
1278 ms
Style.css
1333 ms
site-demos.css
1076 ms
jquery.validate.js
1808 ms
additional-methods.js
1851 ms
logo.png
642 ms
Hed1.gif
635 ms
3tai2.gif
2036 ms
A2.gif
461 ms
B3.gif
464 ms
C2.gif
479 ms
dirooz.png
826 ms
hafte-ghabl.png
827 ms
logo.aspx
801 ms
t.png
658 ms
f.png
665 ms
instagram.png
832 ms
Twitter-icon.png
1019 ms
beh-min.png
1229 ms
bgP.jpg
359 ms
Hed.png
184 ms
sate-min.png
765 ms
fontawesome-webfont.woff
1230 ms
ketab57.ir 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 input fields do not have accessible names
Elements with an ARIA [role] that require children to contain a specific [role] are missing some or all of those required children.
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
Links do not have a discernible name
ketab57.ir 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
Issues were logged in the Issues panel in Chrome Devtools
ketab57.ir SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
robots.txt is not valid
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
FA
N/A
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Ketab57.ir 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 Ketab57.ir 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.
ketab57.ir
Open Graph description is not detected on the main page of Ketab 57. 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: