Access jsdotcom.com. 连连棋牌-安全购彩

name

value

score

weighting

FCP (First Contentful Paint)

Value1.6 s

95/100

10%

LCP (Largest Contentful Paint)

Value2.8 s

83/100

25%

SI (Speed Index)

Value2.3 s

99/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.001

100/100

15%

TTI (Time to Interactive)

Value1.6 s

100/100

10%

jsdotcom.com

348 ms

www.jsdotcom.com

1017 ms

widgetkit-2f3c108d.css

236 ms

nivo-slider.css

179 ms

default.css

181 ms

Our browser made a total of 119 requests to load all elements on the main page. We found that 76% of them (91 requests) were addressed to the original Jsdotcom.com, 10% (12 requests) were made to Apis.google.com and 3% (3 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (1.7 sec) belongs to the original domain Jsdotcom.com.

Content Size

1.1 MB

After Optimization

641.7 kB

In fact, the total size of Jsdotcom.com main page is 1.1 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. 60% of websites need less resources to load. Images take 494.9 kB which makes up the majority of the site volume.

HTML Optimization

-74%

Potential reduce by 29.5 kB

Original 40.1 kB
After minification 38.8 kB
After compression 10.5 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 29.5 kB or 74% of the original size.

Image Optimization

-4%

Potential reduce by 18.3 kB

Original 494.9 kB
After minification 476.6 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. Jsdotcom images are well optimized though.

JavaScript Optimization

-67%

Potential reduce by 262.7 kB

Original 394.4 kB
After minification 391.4 kB
After compression 131.7 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 262.7 kB or 67% of the original size.

CSS Optimization

-84%

Potential reduce by 117.3 kB

Original 140.2 kB
After minification 110.8 kB
After compression 22.9 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. Jsdotcom.com needs all CSS files to be minified and compressed as it can save up to 117.3 kB or 84% of the original size.

Requests Now

113

After Optimization

The browser has sent 113 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Jsdotcom. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 27 to 1 for JavaScripts and from 29 to 1 for CSS and as a result speed up the page load time.

Accessibility Issues

These are opportunities to improve the legibility of your content.

High

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

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

High

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

High

Definition list items are not wrapped in <dl> elements

High

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

High

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

These are opportunities to improve keyboard navigation in your application.

High

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

High

Heading elements are not in a sequentially-descending order

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

High

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

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.

High

Image elements do not have [alt] attributes

High

Form elements do not have associated labels

High

Links do not have a discernible name

High

Areas of Improvement

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

High

Displays images with incorrect aspect ratio

High

Serves images with low resolution

High

Browser errors were logged to the console

Search Engine Optimization Advices

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

High

Links are not crawlable

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

High

Image elements do not have [alt] attributes

High

Document uses plugins

Language and Encoding

Language Detected

N/A
Language Claimed

FR
Encoding

UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Jsdotcom.com can be misinterpreted by Google and other search engines. Unfortunately we cannot identify language used on the page (probably there is a mix of languages, too little text or something else), while the claimed language is French. Our system also found out that Jsdotcom.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

jsdotcom.com

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

Report Summary

Performance

Accessibility

Best Practices

SEO

连连棋牌-安全购彩

Page Load Speed

First Response

Resources Loaded

Page Rendered

About Website

Key Findings

Performance Metrics

Measured Metrics

FCP (First Contentful Paint)

LCP (Largest Contentful Paint)

SI (Speed Index)

TBT (Total Blocking Time)

CLS (Cumulative Layout Shift)

TTI (Time to Interactive)

Network Requests Diagram

jsdotcom.com

www.jsdotcom.com

widgetkit-2f3c108d.css

nivo-slider.css

default.css

Page Optimization Overview & Recommendations

Content Size

After Optimization

HTML Optimization

Image Optimization

JavaScript Optimization

CSS Optimization

Requests Breakdown

Requests Now

After Optimization

Network Requests Diagram

jsdotcom.com

www.jsdotcom.com

widgetkit-2f3c108d.css

nivo-slider.css

default.css

mootools-core.js

core.js

caption.js

jquery.js

widgetkit-ffb349df.js

jquery.min.js

jquery.nivo.slider.pack.js

jquery.quovolver.js

base.css

layout.css

menus.css

modules.css

tools.css

system.css

extensions.css

custom.css

blue.css

ubuntu.css

ubuntu.css

ubuntu.css

style.css

print.css

ubuntu.css

warp.js

accordionmenu.js

dropdownmenu.js

template.js

EUCookieDirective.js

lightbox.js

mediaelement-and-player.js

spotlight.js

base.css

layout.css

menus.css

modules.css

tools.css

system.css

print.css