9.3 sec in total
599 ms
8.2 sec
525 ms
Click here to check amazing Lisna content for Iran. Otherwise, check out these important facts you probably never knew about lisna.ir
پایگاه خبری کتابداری و اطلاع رسانی ایران (لیزنا)
Visit lisna.irWe analyzed Lisna.ir page load time and found that the first response time was 599 ms and then it took 8.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 85% of websites can load faster.
lisna.ir performance score
name
value
score
weighting
Value4.5 s
15/100
10%
Value8.7 s
1/100
25%
Value11.3 s
5/100
10%
Value350 ms
73/100
30%
Value0.002
100/100
15%
Value7.6 s
46/100
10%
599 ms
3178 ms
333 ms
335 ms
347 ms
Our browser made a total of 132 requests to load all elements on the main page. We found that 98% of them (130 requests) were addressed to the original Lisna.ir, 2% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (3.2 sec) belongs to the original domain Lisna.ir.
Page size can be reduced by 759.4 kB (34%)
2.2 MB
1.5 MB
In fact, the total size of Lisna.ir 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. 45% of websites need less resources to load. Images take 1.4 MB which makes up the majority of the site volume.
Potential reduce by 118.0 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 118.0 kB or 86% of the original size.
Potential reduce by 104.0 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. Lisna images are well optimized though.
Potential reduce by 465.9 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 465.9 kB or 70% of the original size.
Potential reduce by 71.5 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. Lisna.ir needs all CSS files to be minified and compressed as it can save up to 71.5 kB or 83% of the original size.
Number of requests can be reduced by 27 (21%)
127
100
The browser has sent 127 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Lisna. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 12 to 1 for JavaScripts and from 10 to 1 for CSS and as a result speed up the page load time.
lisna.ir
599 ms
www.lisna.ir
3178 ms
BrowserUpdateWarning.css
333 ms
style.css
335 ms
styles.css
347 ms
allmode-list.css
339 ms
allmode-default.css
342 ms
style.css
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mootools-core.js
673 ms
core.js
505 ms
mootools-more.js
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BrowserUpdateWarning.js
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engine.mootools.js
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jquery-1.7.2.min.js
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jquery.js
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jquery.nc.js
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script.js
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system.css
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general.css
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template.css
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jquery.cycle.all.js
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number.js
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home.gif
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lisna.ir accessibility score
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
[id] attributes on active, focusable elements are not unique
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
<input type="image"> elements do not have [alt] text
Form elements do not have associated labels
Links do not have a discernible name
lisna.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
Displays images with incorrect aspect ratio
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
lisna.ir 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 doesn't use legible font sizes
Tap targets are not sized appropriately
FA
FA
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Lisna.ir can be misinterpreted by Google and other search engines. Our service has detected that Persian is used on the page, and it matches the claimed language. Our system also found out that Lisna.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.
lisna.ir
Open Graph description is not detected on the main page of Lisna. 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: