1.6 sec in total
104 ms
1 sec
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Welcome to learn.percona.com homepage info - get ready to check Learn Percona best content for China right away, or after learning these important things about learn.percona.com
Percona delivers enterprise-class support, consulting, managed services, and software for MySQL, PostgreSQL, MongoDB, and other open source databases
Visit learn.percona.comWe analyzed Learn.percona.com page load time and found that the first response time was 104 ms and then it took 1.5 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 30% of websites can load faster.
learn.percona.com performance score
name
value
score
weighting
Value4.7 s
13/100
10%
Value19.8 s
0/100
25%
Value9.1 s
14/100
10%
Value580 ms
51/100
30%
Value0.113
86/100
15%
Value23.5 s
1/100
10%
104 ms
28 ms
30 ms
38 ms
38 ms
Our browser made a total of 60 requests to load all elements on the main page. We found that 0% of them (0 request) were addressed to the original Learn.percona.com, 7% (4 requests) were made to Fonts.gstatic.com and 3% (2 requests) were made to Ssl.google-analytics.com. The less responsive or slowest element that took the longest time to load (685 ms) relates to the external source Js.hs-analytics.net.
Page size can be reduced by 705.5 kB (37%)
1.9 MB
1.2 MB
In fact, the total size of Learn.percona.com main page is 1.9 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. 60% of websites need less resources to load. Images take 1.2 MB which makes up the majority of the site volume.
Potential reduce by 102.7 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 102.7 kB or 84% of the original size.
Potential reduce by 153.7 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, Learn Percona needs image optimization as it can save up to 153.7 kB or 13% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 212.2 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 212.2 kB or 63% of the original size.
Potential reduce by 236.9 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. Learn.percona.com needs all CSS files to be minified and compressed as it can save up to 236.9 kB or 85% of the original size.
Number of requests can be reduced by 15 (29%)
52
37
The browser has sent 52 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Learn Percona. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 10 to 1 for JavaScripts and from 7 to 1 for CSS and as a result speed up the page load time.
www.percona.com
104 ms
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learn.percona.com accessibility score
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
Image elements do not have [alt] attributes
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
learn.percona.com best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
Missing source maps for large first-party JavaScript
learn.percona.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
Image elements do not have [alt] attributes
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
EN
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Learn.percona.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 Learn.percona.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.
learn.percona.com
Open Graph data is detected on the main page of Learn Percona. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: