2.6 sec in total
28 ms
2.3 sec
221 ms
Click here to check amazing Official Real Book content for United States. Otherwise, check out these important facts you probably never knew about officialrealbook.com
Accurate lead sheets for standards, bebop tunes other jazz classics. Now available for other genres and accessible on mobile devices. Features song finder and links to downloads and backing tracks.
Visit officialrealbook.comWe analyzed Officialrealbook.com page load time and found that the first response time was 28 ms and then it took 2.6 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 45% of websites can load faster.
officialrealbook.com performance score
name
value
score
weighting
Value5.6 s
5/100
10%
Value12.7 s
0/100
25%
Value23.7 s
0/100
10%
Value17,920 ms
0/100
30%
Value0.027
100/100
15%
Value28.6 s
0/100
10%
28 ms
737 ms
64 ms
35 ms
85 ms
Our browser made a total of 140 requests to load all elements on the main page. We found that 55% of them (77 requests) were addressed to the original Officialrealbook.com, 11% (16 requests) were made to Static.xx.fbcdn.net and 9% (12 requests) were made to Maps.google.com. The less responsive or slowest element that took the longest time to load (737 ms) belongs to the original domain Officialrealbook.com.
Page size can be reduced by 2.3 MB (54%)
4.3 MB
2.0 MB
In fact, the total size of Officialrealbook.com main page is 4.3 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. Javascripts take 1.4 MB which makes up the majority of the site volume.
Potential reduce by 140.7 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 140.7 kB or 84% of the original size.
Potential reduce by 27.5 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. Official Real Book images are well optimized though.
Potential reduce by 921.8 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 921.8 kB or 65% of the original size.
Potential reduce by 1.2 MB
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. Officialrealbook.com needs all CSS files to be minified and compressed as it can save up to 1.2 MB or 89% of the original size.
Number of requests can be reduced by 74 (56%)
131
57
The browser has sent 131 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Official Real Book. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 55 to 1 for JavaScripts and from 21 to 1 for CSS and as a result speed up the page load time.
officialrealbook.com
28 ms
officialrealbook.com
737 ms
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officialrealbook.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 input fields do not have accessible names
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
Background and foreground colors do not have a sufficient contrast ratio.
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
Links do not have a discernible name
Best practices
These items highlight common accessibility best practices.
Impact
Issue
[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.
officialrealbook.com 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
Browser errors were logged to the console
officialrealbook.com SEO score
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 Officialrealbook.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 Officialrealbook.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.
officialrealbook.com
Open Graph description is not detected on the main page of Official Real Book. 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: