Tools & Wizards About Us
aboutballetschools.com screenshot

Report Summary

  • 37

    Performance

    Renders faster than
    56% of other websites

  • 57

    Accessibility

    Visual factors better than
    that of 24% of websites

  • 50

    Best Practices

    More advanced features
    available than in
    19% of websites

  • 62

    SEO

    Google-friendlier than
    23% of websites

aboutballetschools.com

普教仪器_leyu乐鱼娱乐_中小学实验仪器-leyu乐鱼娱乐app下载

Page Load Speed

1.3 sec in total

First Response

131 ms

Resources Loaded

1 sec

Page Rendered

185 ms

aboutballetschools.com screenshot

About Website

Click here to check amazing Aboutballetschools content. Otherwise, check out these important facts you probably never knew about aboutballetschools.com

leyu乐鱼娱乐app下载产品主要有中、小学科学、数学、物理、化学、生物、地理等实验仪器及演示仪器，品种繁多，规格齐全，发货及时，服务周到。全国免费服务热线：4008805646

Visit aboutballetschools.com

Key Findings

We analyzed Aboutballetschools.com page load time and found that the first response time was 131 ms and then it took 1.2 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 25% of websites can load faster.

Performance Metrics

aboutballetschools.com performance score

37

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.9 s

10/100

10%

LCP (Largest Contentful Paint)

Value33.3 s

0/100

25%

SI (Speed Index)

Value14.4 s

1/100

10%

TBT (Total Blocking Time)

Value380 ms

69/100

30%

CLS (Cumulative Layout Shift)

Value0.002

100/100

15%

TTI (Time to Interactive)

Value19.2 s

2/100

10%

Network Requests Diagram

aboutballetschools.com

131 ms

www.aboutballetschools.com

185 ms

estilo.css

64 ms

cookiepolicy.js

71 ms

show_ads.js

25 ms

Our browser made a total of 55 requests to load all elements on the main page. We found that 33% of them (18 requests) were addressed to the original Aboutballetschools.com, 15% (8 requests) were made to Apis.google.com and 9% (5 requests) were made to Pagead2.googlesyndication.com. The less responsive or slowest element that took the longest time to load (483 ms) relates to the external source Googleads.g.doubleclick.net.

Page Optimization Overview & Recommendations

Page size can be reduced by 76.2 kB (29%)

Content Size

263.0 kB

After Optimization

186.8 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Aboutballetschools.com main page is 263.0 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. 60% of websites need less resources to load. Images take 139.2 kB which makes up the majority of the site volume.

HTML Optimization

-74%

Potential reduce by 17.4 kB

  • Original 23.7 kB
  • After minification 23.0 kB
  • After compression 6.2 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 17.4 kB or 74% of the original size.

Image Optimization

-4%

Potential reduce by 5.3 kB

  • Original 139.2 kB
  • After minification 133.8 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. Aboutballetschools images are well optimized though.

JavaScript Optimization

-50%

Potential reduce by 43.9 kB

  • Original 88.4 kB
  • After minification 87.0 kB
  • After compression 44.5 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 43.9 kB or 50% of the original size.

CSS Optimization

-81%

Potential reduce by 9.6 kB

  • Original 11.8 kB
  • After minification 9.7 kB
  • After compression 2.3 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. Aboutballetschools.com needs all CSS files to be minified and compressed as it can save up to 9.6 kB or 81% of the original size.

Requests Breakdown

Number of requests can be reduced by 27 (52%)

Requests Now

52

After Optimization

25

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 52 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Aboutballetschools. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 23 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

aboutballetschools.com

aboutballetschools.com

131 ms

www.aboutballetschools.com

www.aboutballetschools.com

185 ms

estilo.css

estilo.css

64 ms

cookiepolicy.js

cookiepolicy.js

71 ms

show_ads.js

show_ads.js

25 ms

jquery.min.js

jquery.min.js

42 ms

Script.js

Script.js

99 ms

widgets.js

widgets.js

28 ms

plusone.js

plusone.js

112 ms

js.js

js.js

111 ms

ca-pub-5678209603425155.js

ca-pub-5678209603425155.js

140 ms

zrt_lookup.html

zrt_lookup.html

197 ms

show_ads_impl.js

show_ads_impl.js

83 ms

sprite.png

sprite.png

127 ms

ballet_schools.jpg

ballet_schools.jpg

184 ms

ballet-dance175X92.jpg

ballet-dance175X92.jpg

184 ms

ballet-music175X92.jpg

ballet-music175X92.jpg

126 ms

flecha.gif

flecha.gif

186 ms

famous-dancers175X92.jpg

famous-dancers175X92.jpg

215 ms

ballet-history175X92.jpg

ballet-history175X92.jpg

219 ms

pointe-shoes175X92.jpg

pointe-shoes175X92.jpg

205 ms

ballet-costumes175X92.jpg

ballet-costumes175X92.jpg

213 ms

ballet-leotards175X92.jpg

ballet-leotards175X92.jpg

213 ms

ballet-tutus175X92.jpg

ballet-tutus175X92.jpg

261 ms

key_plus.jpg

key_plus.jpg

236 ms

cb=gapi.loaded_0

cb=gapi.loaded_0

99 ms

cb=gapi.loaded_1

cb=gapi.loaded_1

134 ms

fastbutton

fastbutton

173 ms

ga.js

ga.js

96 ms

button.0308b81ff1714e446f674b5b9793f2cd.js

button.0308b81ff1714e446f674b5b9793f2cd.js

167 ms

ads

ads

273 ms

like.php

like.php

238 ms

osd.js

osd.js

65 ms

ads

ads

483 ms

ads

ads

249 ms

__utm.gif

__utm.gif

45 ms

postmessageRelay

postmessageRelay

74 ms

cb=gapi.loaded_0

cb=gapi.loaded_0

25 ms

cb=gapi.loaded_1

cb=gapi.loaded_1

24 ms

grlryt2bdKIyfMSOhzd1eA.woff

grlryt2bdKIyfMSOhzd1eA.woff

53 ms

tweet_button.b9740740e0bcf9b0657c5b11bd4388da.en.html

tweet_button.b9740740e0bcf9b0657c5b11bd4388da.en.html

15 ms

3193398744-postmessagerelay.js

3193398744-postmessagerelay.js

27 ms

rpc:shindig_random.js

rpc:shindig_random.js

30 ms

cb=gapi.loaded_0

cb=gapi.loaded_0

4 ms

TY3MhkXpWJ-.js

TY3MhkXpWJ-.js

57 ms

LVx-xkvaJ0b.png

LVx-xkvaJ0b.png

48 ms

m_js_controller.js

m_js_controller.js

28 ms

abg.js

abg.js

47 ms

jot

jot

132 ms

googlelogo_color_112x36dp.png

googlelogo_color_112x36dp.png

40 ms

nessie_icon_thin_arrow_big_white.png

nessie_icon_thin_arrow_big_white.png

33 ms

s

s

23 ms

x_button_blue2.svg

x_button_blue2.svg

19 ms

fBnyGA8Aionz5086-mElmoOSPUuyQ1M9Un647_EjucU.js

fBnyGA8Aionz5086-mElmoOSPUuyQ1M9Un647_EjucU.js

8 ms

10452820896894358828

10452820896894358828

29 ms

Accessibility Review

aboutballetschools.com accessibility score

57

Accessibility Issues

Contrast

These are opportunities to improve the legibility of your content.

Impact

Issue

High

Background and foreground colors do not have a sufficient contrast ratio.

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

Definition list items are not wrapped in <dl> elements

High

List items (<li>) are not contained within <ul> or <ol> parent elements.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

[id] attributes on active, focusable elements are not unique

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

<frame> or <iframe> elements do not have a title

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Best Practices

aboutballetschools.com best practices score

50

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Displays images with incorrect aspect ratio

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Missing source maps for large first-party JavaScript

SEO Factors

aboutballetschools.com SEO score

62

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

Content Best Practices

Format your HTML in a way that enables crawlers to better understand your app’s content.

Impact

Issue

High

Image elements do not have [alt] attributes

Language and Encoding

  • Language Detected

    ZH

  • Language Claimed

    N/A

  • Encoding

    ISO-8859-1

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Aboutballetschools.com can be misinterpreted by Google and other search engines. Our service has detected that Chinese 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 Aboutballetschools.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.

Social Sharing Optimization

aboutballetschools.com

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