7.9 sec in total
643 ms
6.6 sec
614 ms
Welcome to sharif.ac.ir homepage info - get ready to check Sharif best content for Iran right away, or after learning these important things about sharif.ac.ir
Visit sharif.ac.irWe analyzed Sharif.ac.ir page load time and found that the first response time was 643 ms and then it took 7.2 sec to load all DOM resources and completely render a web page. This is a poor result, as 80% of websites can load faster.
sharif.ac.ir performance score
name
value
score
weighting
Value8.2 s
0/100
10%
Value24.9 s
0/100
25%
Value12.0 s
4/100
10%
Value720 ms
41/100
30%
Value0.125
83/100
15%
Value20.4 s
2/100
10%
643 ms
1153 ms
197 ms
588 ms
764 ms
Our browser made a total of 67 requests to load all elements on the main page. We found that 0% of them (0 request) were addressed to the original Sharif.ac.ir, 3% (2 requests) were made to Google-analytics.com and 1% (1 request) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (2.1 sec) relates to the external source Sharif.edu.
Page size can be reduced by 380.9 kB (8%)
4.5 MB
4.1 MB
In fact, the total size of Sharif.ac.ir main page is 4.5 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. 70% of websites need less resources to load. Images take 4.0 MB which makes up the majority of the site volume.
Potential reduce by 255.3 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. This page needs HTML code to be minified as it can gain 47.9 kB, which is 17% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 255.3 kB or 88% of the original size.
Potential reduce by 109.0 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. Sharif images are well optimized though.
Potential reduce by 16.5 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. This website has mostly compressed JavaScripts.
Number of requests can be reduced by 28 (45%)
62
34
The browser has sent 62 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Sharif. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 14 to 1 for JavaScripts and from 16 to 1 for CSS and as a result speed up the page load time.
www.sharif.edu
643 ms
www.sharif.edu
1153 ms
main.css
197 ms
clay.css
588 ms
main.css
764 ms
combo
575 ms
js_loader_config
580 ms
combo
1156 ms
js_bundle_config
619 ms
main.css
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main.css
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combo
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combo
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fonts.css
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navbar.css
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jalali-moment.browser.js
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splide.js
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splide.min.css
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splide-core.min.css
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splide-default.min.css
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aos.css
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aos.js
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main.js
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analytics.js
26 ms
style.css
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font-awesome.min.css
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fontawesome-webfont.woff
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study.svg
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footer.svg
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sharif.ac.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
Elements with an ARIA [role] that require children to contain a specific [role] are missing some or all of those required children.
ARIA IDs are not unique
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
Image elements do not have [alt] attributes
Links do not have a discernible name
Tables and lists
These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.
Impact
Issue
Lists do not contain only <li> elements and script supporting elements (<script> and <template>).
List items (<li>) are not contained within <ul> or <ol> parent elements.
sharif.ac.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
General
Impact
Issue
Detected JavaScript libraries
Page has valid source maps
sharif.ac.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 Sharif.ac.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 Sharif.ac.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.
sharif.ac.ir
Open Graph description is not detected on the main page of Sharif. 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: