Report Summary

  • 61

    Performance

    Renders faster than
    76% of other websites

  • 88

    Accessibility

    Visual factors better than
    that of 69% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 71

    SEO

    Google-friendlier than
    30% of websites

jaschaheifetz.com

Jascha Heifetz | The official web site for violinist Jascha Heifetz The Official Website of American Violinist Jascha Heifetz Heifetz

Page Load Speed

11.7 sec in total

First Response

2.9 sec

Resources Loaded

8.5 sec

Page Rendered

249 ms

jaschaheifetz.com screenshot

About Website

Click here to check amazing Jascha Heifetz content. Otherwise, check out these important facts you probably never knew about jaschaheifetz.com

Jascha Heifetz | The official web site for violinist Jascha Heifetz The Official Website of American Violinist Jascha Heifetz, often regarded as one of the greatest violinists of all time

Visit jaschaheifetz.com

Key Findings

We analyzed Jaschaheifetz.com page load time and found that the first response time was 2.9 sec and then it took 8.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 85% of websites can load faster.

Performance Metrics

jaschaheifetz.com performance score

61

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.1 s

46/100

10%

LCP (Largest Contentful Paint)

Value6.4 s

9/100

25%

SI (Speed Index)

Value11.6 s

4/100

10%

TBT (Total Blocking Time)

Value20 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value4.3 s

85/100

10%

Network Requests Diagram

jaschaheifetz.com

2945 ms

style.css

545 ms

colorbox.css

561 ms

gallery.min.css

562 ms

jquery.js

1903 ms

Our browser made a total of 33 requests to load all elements on the main page. We found that 91% of them (30 requests) were addressed to the original Jaschaheifetz.com, 6% (2 requests) were made to Google-analytics.com and 3% (1 request) were made to Assoc-amazon.com. The less responsive or slowest element that took the longest time to load (3.8 sec) belongs to the original domain Jaschaheifetz.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 132.2 kB (18%)

Content Size

738.5 kB

After Optimization

606.3 kB

In fact, the total size of Jaschaheifetz.com main page is 738.5 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. 15% of websites need less resources to load. Images take 562.0 kB which makes up the majority of the site volume.

HTML Optimization

-67%

Potential reduce by 9.8 kB

  • Original 14.5 kB
  • After minification 13.6 kB
  • After compression 4.7 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 9.8 kB or 67% of the original size.

Image Optimization

-5%

Potential reduce by 26.7 kB

  • Original 562.0 kB
  • After minification 535.3 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. Jascha Heifetz images are well optimized though.

JavaScript Optimization

-57%

Potential reduce by 83.7 kB

  • Original 146.7 kB
  • After minification 146.5 kB
  • After compression 62.9 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 83.7 kB or 57% of the original size.

CSS Optimization

-79%

Potential reduce by 12.0 kB

  • Original 15.3 kB
  • After minification 11.9 kB
  • After compression 3.3 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. Jaschaheifetz.com needs all CSS files to be minified and compressed as it can save up to 12.0 kB or 79% of the original size.

Requests Breakdown

Number of requests can be reduced by 5 (16%)

Requests Now

32

After Optimization

27

The browser has sent 32 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Jascha Heifetz. 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 as a result speed up the page load time.

Accessibility Review

jaschaheifetz.com accessibility score

88

Accessibility Issues

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a [lang] attribute

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

High

Links do not have a discernible name

Tables and lists

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Impact

Issue

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

Best Practices

jaschaheifetz.com best practices score

75

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

jaschaheifetz.com SEO score

71

Search Engine Optimization Advices

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

Links are not crawlable

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Jaschaheifetz.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 Jaschaheifetz.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.

Social Sharing Optimization

Open Graph description is not detected on the main page of Jascha Heifetz. 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: