5.6 sec in total
410 ms
4.1 sec
1.1 sec
Welcome to petrolessons.com homepage info - get ready to check Petrolessons best content right away, or after learning these important things about petrolessons.com
Find Oil and Gas training on Petrolessons.com - a platform where oil and gas professionals can get oil and gas training, teach and network with their oil and gas peers. Training solutions for individu...
Visit petrolessons.comWe analyzed Petrolessons.com page load time and found that the first response time was 410 ms and then it took 5.2 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster.
petrolessons.com performance score
name
value
score
weighting
Value10.9 s
0/100
10%
Value41.9 s
0/100
25%
Value91.2 s
0/100
10%
Value87,980 ms
0/100
30%
Value0.502
16/100
15%
Value114.2 s
0/100
10%
410 ms
319 ms
439 ms
121 ms
71 ms
Our browser made a total of 77 requests to load all elements on the main page. We found that 6% of them (5 requests) were addressed to the original Petrolessons.com, 60% (46 requests) were made to D6xfpzo6h49n1.cloudfront.net and 9% (7 requests) were made to D2oz8i5n9se8ej.cloudfront.net. The less responsive or slowest element that took the longest time to load (2.3 sec) relates to the external source D6xfpzo6h49n1.cloudfront.net.
Page size can be reduced by 465.7 kB (6%)
8.0 MB
7.6 MB
In fact, the total size of Petrolessons.com main page is 8.0 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. 85% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Images take 7.5 MB which makes up the majority of the site volume.
Potential reduce by 94.5 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 32.8 kB, which is 30% 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 94.5 kB or 88% of the original size.
Potential reduce by 131.0 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. Petrolessons images are well optimized though.
Potential reduce by 32.3 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 32.3 kB or 14% of the original size.
Potential reduce by 207.9 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. Petrolessons.com needs all CSS files to be minified and compressed as it can save up to 207.9 kB or 84% of the original size.
Number of requests can be reduced by 8 (12%)
65
57
The browser has sent 65 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Petrolessons. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 9 to 1 for JavaScripts and as a result speed up the page load time.
petrolessons.com
410 ms
courses
319 ms
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petrolessons.com 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-*] attributes do not match their roles
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.
ARIA toggle fields do not have accessible names
ARIA IDs 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
Buttons do not have an accessible name
Links do not have a discernible name
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
petrolessons.com best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
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
petrolessons.com SEO score
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
Impact
Issue
Links do not have descriptive text
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
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 uses legible font sizes
Tap targets are not sized appropriately
EN
N/A
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Petrolessons.com can be misinterpreted by Google and other search engines. Our service has detected that English 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 Petrolessons.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.
petrolessons.com
Open Graph description is not detected on the main page of Petrolessons. 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: