4.3 sec in total
319 ms
3.8 sec
249 ms
Welcome to theorylessons.com homepage info - get ready to check Theory Lessons best content for United States right away, or after learning these important things about theorylessons.com
Guitar lessons in music theory for the guitar or bass player. Use our guitar lessons and bass lessons to learn to play guitar scales and chords taught by a professional musician.
Visit theorylessons.comWe analyzed Theorylessons.com page load time and found that the first response time was 319 ms and then it took 4 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.
theorylessons.com performance score
name
value
score
weighting
Value2.0 s
84/100
10%
Value2.5 s
89/100
25%
Value6.7 s
36/100
10%
Value3,480 ms
2/100
30%
Value0
100/100
15%
Value9.8 s
28/100
10%
319 ms
93 ms
121 ms
6 ms
138 ms
Our browser made a total of 71 requests to load all elements on the main page. We found that 32% of them (23 requests) were addressed to the original Theorylessons.com, 8% (6 requests) were made to C.betrad.com and 7% (5 requests) were made to Pagead2.googlesyndication.com. The less responsive or slowest element that took the longest time to load (319 ms) belongs to the original domain Theorylessons.com.
Page size can be reduced by 123.4 kB (46%)
269.0 kB
145.6 kB
In fact, the total size of Theorylessons.com main page is 269.0 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. 40% of websites need less resources to load. Javascripts take 163.4 kB which makes up the majority of the site volume.
Potential reduce by 14.0 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 14.0 kB or 73% of the original size.
Potential reduce by 4.0 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. Theory Lessons images are well optimized though.
Potential reduce by 92.8 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 92.8 kB or 57% of the original size.
Potential reduce by 12.6 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. Theorylessons.com needs all CSS files to be minified and compressed as it can save up to 12.6 kB or 80% of the original size.
Number of requests can be reduced by 32 (48%)
66
34
The browser has sent 66 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Theory Lessons. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 19 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.
theorylessons.com
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layout.css
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theorylessons.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
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
<frame> or <iframe> elements do not have a title
Form elements do not have associated labels
theorylessons.com best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
User Experience
Impact
Issue
Serves images with low resolution
theorylessons.com SEO score
EN
EN
ISO-8859-1
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Theorylessons.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 Theorylessons.com main page’s claimed encoding is iso-8859-1. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.
theorylessons.com
Open Graph description is not detected on the main page of Theory Lessons. 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: