2.1 sec in total
385 ms
1.6 sec
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Visit petroleumopenlearning.comWe analyzed Petroleumopenlearning.com page load time and found that the first response time was 385 ms and then it took 1.7 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 35% of websites can load faster.
petroleumopenlearning.com performance score
385 ms
578 ms
494 ms
854 ms
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Our browser made a total of 33 requests to load all elements on the main page. We found that 3% of them (1 request) were addressed to the original Petroleumopenlearning.com, 76% (25 requests) were made to Daily.co.uk and 6% (2 requests) were made to Config1.veinteractive.com. The less responsive or slowest element that took the longest time to load (854 ms) relates to the external source Daily.co.uk.
Page size can be reduced by 545.5 kB (71%)
773.8 kB
228.3 kB
In fact, the total size of Petroleumopenlearning.com main page is 773.8 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. 20% of websites need less resources to load. Javascripts take 584.7 kB which makes up the majority of the site volume.
Potential reduce by 24.8 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 4.8 kB, which is 16% 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 24.8 kB or 81% of the original size.
Potential reduce by 2.0 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. Petroleumopenlearning images are well optimized though.
Potential reduce by 400.2 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 400.2 kB or 68% of the original size.
Potential reduce by 118.5 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. Petroleumopenlearning.com needs all CSS files to be minified and compressed as it can save up to 118.5 kB or 85% of the original size.
Number of requests can be reduced by 10 (42%)
24
14
The browser has sent 24 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Petroleumopenlearning. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 11 to 1 for JavaScripts and as a result speed up the page load time.
petroleumopenlearning.com
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layout.1446139326.css
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header.1437391982.css
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common.1445415986.js
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tabsystem.1437392009.js
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jquery.hoverIntent.js
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mainmenu.js
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daily.js
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defender_secure.js
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conversion.js
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undershadow.svg
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DI-FullColour-Stacked.svg
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search.png
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menu-home.gif
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back-footer-menu-grey.gif
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pay_icons_white.png
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petroleumopenlearning.com SEO score
EN
EN
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Petroleumopenlearning.com can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it matches the claimed language. Our system also found out that Petroleumopenlearning.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.
petroleumopenlearning.com
Open Graph data is detected on the main page of Petroleumopenlearning. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: