Access concepttwist.com. 海洋之神590线路检测中心(中国)ios/Android版

name

value

score

weighting

FCP (First Contentful Paint)

Value3.8 s

28/100

10%

LCP (Largest Contentful Paint)

Value11.9 s

0/100

25%

SI (Speed Index)

Value12.4 s

3/100

10%

TBT (Total Blocking Time)

Value40 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.099

90/100

15%

TTI (Time to Interactive)

Value9.2 s

32/100

10%

concepttwist.com

186 ms

www.concepttwist.com

176 ms

jquery.min.js

74 ms

style.css

168 ms

bdtxk.js

177 ms

Our browser made a total of 92 requests to load all elements on the main page. We found that 16% of them (15 requests) were addressed to the original Concepttwist.com, 64% (59 requests) were made to Yyxy.sdca.edu.cn and 13% (12 requests) were made to Test.xinxiyidiantong.com. The less responsive or slowest element that took the longest time to load (4.3 sec) relates to the external source Yyxy.sdca.edu.cn.

Content Size

2.0 MB

After Optimization

1.7 MB

In fact, the total size of Concepttwist.com main page is 2.0 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. 50% of websites need less resources to load. Images take 1.9 MB which makes up the majority of the site volume.

HTML Optimization

-73%

Potential reduce by 4.2 kB

Original 5.7 kB
After minification 5.5 kB
After compression 1.5 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 4.2 kB or 73% of the original size.

Image Optimization

-12%

Potential reduce by 224.5 kB

Original 1.9 MB
After minification 1.7 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. Obviously, Concepttwist needs image optimization as it can save up to 224.5 kB or 12% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-5%

Potential reduce by 1.1 kB

Original 23.7 kB
After minification 23.7 kB
After compression 22.6 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. This website has mostly compressed JavaScripts.

CSS Optimization

-10%

Potential reduce by 202 B

Original 2.0 kB
After minification 2.0 kB
After compression 1.8 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. Concepttwist.com has all CSS files already compressed.

Requests Now

After Optimization

The browser has sent 89 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Concepttwist. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 13 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Accessibility Issues

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

Links do not have a discernible name

Areas of Improvement

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

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

Page is blocked from indexing

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

High

Image elements do not have [alt] attributes

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/).

High

Document uses legible font sizes

Language and Encoding

Language Detected

N/A
Language Claimed

N/A
Encoding

UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Concepttwist.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) and no language is claimed in <html> or <meta> tags either. Our system also found out that Concepttwist.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

concepttwist.com

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

海洋之神590线路检测中心(中国)ios/Android版

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

concepttwist.com

www.concepttwist.com

jquery.min.js

style.css

bdtxk.js

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

concepttwist.com

www.concepttwist.com

jquery.min.js

style.css

bdtxk.js

gjzonedword20150522.js

_sitegray_d.css

_sitegray.js

index.vsb.css

counter.js

ajax.js

imagechangenews.css

imagechangenews.js

dynclicks.js

imagescroll.js

sj.js

fcl.php

space.gif

left.png

arrow_video.png

msfc_liyuntao.jpg

logo.jpg

msfc_lilinfeng.jpg

msfc_heqingtao.jpg

msfc_haoyijun.jpg

sunzhihong_meitu_2.jpg

msfc_juluansheng.jpg

msfc_luoyuying.jpg

wgq_new.jpg

zmx_new.jpg

msfc_jimaochun.jpg

xmz_new_small.jpg

dongyanyan_meitu_1.jpg

zhuhongkun.jpg

xienannan.jpg

li-ao.jpg

zm_new.jpg

msfc_luanyi.jpg

ycf.jpg

yangxiuyu.png

zxl.jpg

msfc_xiaochengyu.jpg

msfc_wangbingjie.jpg