2.5 sec in total
245 ms
2.1 sec
147 ms
Click here to check amazing Erhu Lessons content for Russia. Otherwise, check out these important facts you probably never knew about erhulessons.com
Online erhu lessons with a master Erhu player, erhu videos, exercises and sheet music - the best way to learn to play the erhu
Visit erhulessons.comWe analyzed Erhulessons.com page load time and found that the first response time was 245 ms and then it took 2.3 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 40% of websites can load faster.
erhulessons.com performance score
name
value
score
weighting
Value4.5 s
16/100
10%
Value5.5 s
19/100
25%
Value5.3 s
58/100
10%
Value480 ms
60/100
30%
Value0.106
88/100
15%
Value7.4 s
48/100
10%
245 ms
528 ms
181 ms
356 ms
482 ms
Our browser made a total of 22 requests to load all elements on the main page. We found that 82% of them (18 requests) were addressed to the original Erhulessons.com, 9% (2 requests) were made to Google-analytics.com and 5% (1 request) were made to Stats.g.doubleclick.net. The less responsive or slowest element that took the longest time to load (859 ms) belongs to the original domain Erhulessons.com.
Page size can be reduced by 56.3 kB (38%)
147.9 kB
91.6 kB
In fact, the total size of Erhulessons.com main page is 147.9 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. HTML takes 66.5 kB which makes up the majority of the site volume.
Potential reduce by 51.9 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 51.9 kB or 78% of the original size.
Potential reduce by 4.4 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. Erhu Lessons images are well optimized though.
Potential reduce by 50 B
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. This website has mostly compressed JavaScripts.
Number of requests can be reduced by 10 (56%)
18
8
The browser has sent 18 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Erhu 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 6 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.
erhulessons.com
245 ms
www.erhulessons.com
528 ms
video.css
181 ms
font.css
356 ms
style.css
482 ms
compat.js
455 ms
external.js
859 ms
shared.js
365 ms
site.js
385 ms
analytics.js
258 ms
logo.png
151 ms
welcome.png
149 ms
video.css
178 ms
font.css
160 ms
style.css
279 ms
intro.jpg
178 ms
decal.png
260 ms
vjs.woff
258 ms
erhu-lessons.woff
310 ms
collect
67 ms
collect
34 ms
js
63 ms
erhulessons.com accessibility score
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
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.
erhulessons.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
User Experience
Impact
Issue
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
Page has valid source maps
erhulessons.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
EN
EN
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Erhulessons.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 Erhulessons.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.
erhulessons.com
Open Graph description is not detected on the main page of Erhu 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: