3.9 sec in total
674 ms
3 sec
231 ms
Click here to check amazing Chem Eng content for Iran. Otherwise, check out these important facts you probably never knew about chemeng.ir
مهندسی شیمی-chemeng.ir
Visit chemeng.irWe analyzed Chemeng.ir page load time and found that the first response time was 674 ms and then it took 3.2 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.
chemeng.ir performance score
name
value
score
weighting
Value0.7 s
100/100
10%
Value2.1 s
96/100
25%
Value1.8 s
100/100
10%
Value0 ms
100/100
30%
Value0
100/100
15%
Value0.7 s
100/100
10%
674 ms
81 ms
162 ms
164 ms
160 ms
Our browser made a total of 129 requests to load all elements on the main page. We found that 98% of them (127 requests) were addressed to the original Chemeng.ir, 2% (2 requests) were made to Fonts.googleapis.com. The less responsive or slowest element that took the longest time to load (743 ms) belongs to the original domain Chemeng.ir.
Page size can be reduced by 783.9 kB (56%)
1.4 MB
615.6 kB
In fact, the total size of Chemeng.ir main page is 1.4 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. Javascripts take 771.4 kB which makes up the majority of the site volume.
Potential reduce by 66.1 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 66.1 kB or 84% of the original size.
Potential reduce by 60.5 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, Chem Eng needs image optimization as it can save up to 60.5 kB or 14% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 555.9 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 555.9 kB or 72% of the original size.
Potential reduce by 101.4 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. Chemeng.ir needs all CSS files to be minified and compressed as it can save up to 101.4 kB or 83% of the original size.
Number of requests can be reduced by 28 (23%)
124
96
The browser has sent 124 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Chem Eng. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 17 to 1 for JavaScripts and from 13 to 1 for CSS and as a result speed up the page load time.
chemeng.ir
674 ms
yendifvideoshare.css
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style.css
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style.css
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finder.css
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mootools-core.js
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core.js
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caption.js
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jquery-1.8.3.min.js
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mootools-more.js
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engine.mootools.js
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powertools-1.2.0.js
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slider.js
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autocompleter.js
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system.css
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general.css
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type.css
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default.css
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home.css
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extension.css
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jquery-ui-1.9.2.min.js
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jquery.easing.1.3.js
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jquery.jcarousel-core.min.js
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jquery.jcarousel-autoscroll.min.js
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jquery.jcarousel-pagination.min.js
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jquery.jcarousel-control.min.js
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jquery.marquee.js
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default.js
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system.css
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css
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css
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logo.png
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top_menu_arrow.png
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icon_chat.png
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login_arrow.gif
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intro_arrow.gif
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title_sepr.png
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NHALi.svg
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index.php
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k-process-Douglas-.png
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k-process-Robin.png
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jozve.jpg
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course_grdnt_l.png
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NHALi.woff
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NHABo.woff
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MP.woff
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bg.jpg
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NHARo.woff
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course_sepr.png
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arrow-left.png
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video_sepr.png
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chemeng.ir accessibility score
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
chemeng.ir best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
User Experience
Impact
Issue
Serves images with low resolution
chemeng.ir SEO score
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
FA
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Chemeng.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 Chemeng.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.
chemeng.ir
Open Graph description is not detected on the main page of Chem Eng. 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: