Tools & Wizards About Us
coalshade.com screenshot

Report Summary

  • 71

    Performance

    Renders faster than
    81% of other websites

  • 39

    Accessibility

    Visual factors better than
    that of 19% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    20% of websites

  • 58

    SEO

    Google-friendlier than
    21% of websites

coalshade.com

Top 10 Trang Web Đánh lô đề online 1 ăn 100 Uy Tín nhất 2021 -

Page Load Speed

22.2 sec in total

First Response

372 ms

Resources Loaded

21.6 sec

Page Rendered

177 ms

coalshade.com screenshot

About Website

Visit coalshade.com now to see the best up-to-date Coalshade content and also check out these interesting facts you probably never knew about coalshade.com

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Key Findings

We analyzed Coalshade.com page load time and found that the first response time was 372 ms and then it took 21.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 95% of websites can load faster. Unfortunately, there was 1 request timeout, which can generally increase the web page load time, as the browser stays idle while waiting for website response.

Performance Metrics

coalshade.com performance score

71

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.3 s

73/100

10%

LCP (Largest Contentful Paint)

Value5.5 s

19/100

25%

SI (Speed Index)

Value4.0 s

80/100

10%

TBT (Total Blocking Time)

Value20 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.001

100/100

15%

TTI (Time to Interactive)

Value6.1 s

64/100

10%

Network Requests Diagram

coalshade.com

372 ms

www.coalshade.com

139 ms

global.css

64 ms

index.css

125 ms

sitegray_d.css

124 ms

Our browser made a total of 37 requests to load all elements on the main page. We found that 95% of them (35 requests) were addressed to the original Coalshade.com, 3% (1 request) were made to Upikotj.com and 3% (1 request) were made to Sdk.51.la. The less responsive or slowest element that took the longest time to load (19.9 sec) relates to the external source Upikotj.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 92.6 kB (8%)

Content Size

1.2 MB

After Optimization

1.1 MB

  • HTML
  • Images
  • CSS

In fact, the total size of Coalshade.com main page is 1.2 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. 30% of websites need less resources to load. Images take 1.1 MB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 34.5 kB

  • Original 42.7 kB
  • After minification 41.9 kB
  • After compression 8.2 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 34.5 kB or 81% of the original size.

Image Optimization

-5%

Potential reduce by 57.0 kB

  • Original 1.1 MB
  • After minification 1.1 MB

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. Coalshade images are well optimized though.

CSS Optimization

-25%

Potential reduce by 1.1 kB

  • Original 4.7 kB
  • After minification 4.6 kB
  • After compression 3.5 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. Coalshade.com needs all CSS files to be minified and compressed as it can save up to 1.1 kB or 25% of the original size.

Requests Breakdown

Number of requests can be reduced by 19 (56%)

Requests Now

34

After Optimization

15

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 34 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Coalshade. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 17 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

coalshade.com

coalshade.com

372 ms

www.coalshade.com

www.coalshade.com

139 ms

global.css

global.css

64 ms

index.css

index.css

125 ms

sitegray_d.css

sitegray_d.css

124 ms

sitegray.js

sitegray.js

126 ms

index.vsb.css

index.vsb.css

127 ms

counter.js

counter.js

128 ms

base.js

base.js

133 ms

text.js

text.js

184 ms

engine.js

engine.js

248 ms

util.js

util.js

187 ms

NewsSearchDWR.js

NewsSearchDWR.js

188 ms

vsb_news_search.js

vsb_news_search.js

190 ms

vsb_news_search_entry.js

vsb_news_search_entry.js

198 ms

language.js

language.js

247 ms

base64.js

base64.js

249 ms

formfunc.js

formfunc.js

250 ms

dynclicks.js

dynclicks.js

252 ms

centerCutImg.js

centerCutImg.js

261 ms

ajax.js

ajax.js

307 ms

openlink.js

openlink.js

307 ms

js.js

js.js

308 ms

hxfc2.js

hxfc2.js

19861 ms

head_bg2.png

head_bg2.png

186 ms

xxzx.jpg

xxzx.jpg

77 ms

seach22.gif

seach22.gif

76 ms

wlzx11.jpg

wlzx11.jpg

311 ms

wlzx4.jpg

wlzx4.jpg

370 ms

wlzx-xxzx.jpg

wlzx-xxzx.jpg

390 ms

more.jpg

more.jpg

130 ms

list.jpg

list.jpg

129 ms

xgma.jpg

xgma.jpg

249 ms

wlaqxc.jpg

wlaqxc.jpg

372 ms

xxzxlou2.jpg

xxzxlou2.jpg

245 ms

backg.jpg

backg.jpg

209 ms

js-sdk-pro.min.js

js-sdk-pro.min.js

963 ms

Accessibility Review

coalshade.com accessibility score

39

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

<dl>'s do not contain only properly-ordered <dt> and <dd> groups, <script>, <template> or <div> elements.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

Image elements do not have [alt] attributes

High

<input type="image"> elements do not have [alt] text

High

Form elements do not have associated labels

High

Links do not have a discernible name

Best Practices

coalshade.com best practices score

58

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

Displays images with incorrect aspect ratio

High

Serves images with low resolution

General

Impact

Issue

High

Browser errors were logged to the console

SEO Factors

coalshade.com SEO score

58

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

    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 Coalshade.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 Coalshade.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

coalshade.com

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