Tools & Wizards About Us
jscrab.com screenshot

Report Summary

  • 48

    Performance

    Renders faster than
    66% of other websites

  • 57

    Accessibility

    Visual factors better than
    that of 24% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    20% of websites

  • 77

    SEO

    Google-friendlier than
    36% of websites

jscrab.com

兴化大闸蟹-正宗鲜活兴化大闸蟹优选,绿庭弘官方网站

Page Load Speed

14.5 sec in total

First Response

2.4 sec

Resources Loaded

11.8 sec

Page Rendered

333 ms

jscrab.com screenshot

About Website

Welcome to jscrab.com homepage info - get ready to check Jscrab best content right away, or after learning these important things about jscrab.com

兴化大闸蟹,绿庭弘品牌大闸蟹致力于提供高品质大闸蟹，保证正宗原产地直供，鲜活到家，尽情享受美味蟹宴！

Visit jscrab.com

Key Findings

We analyzed Jscrab.com page load time and found that the first response time was 2.4 sec and then it took 12.1 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.

Performance Metrics

jscrab.com performance score

48

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.5 s

68/100

10%

LCP (Largest Contentful Paint)

Value9.5 s

0/100

25%

SI (Speed Index)

Value8.4 s

18/100

10%

TBT (Total Blocking Time)

Value50 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.347

32/100

15%

TTI (Time to Interactive)

Value7.4 s

48/100

10%

Network Requests Diagram

jscrab.com

2444 ms

style.css

856 ms

jquery.min.js

861 ms

jquery.superslide.2.1.1.js

438 ms

ey_global.js

454 ms

Our browser made a total of 42 requests to load all elements on the main page. We found that 93% of them (39 requests) were addressed to the original Jscrab.com, 5% (2 requests) were made to Hm.baidu.com and 2% (1 request) were made to Hmcdn.baidu.com. The less responsive or slowest element that took the longest time to load (8.6 sec) belongs to the original domain Jscrab.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 415.3 kB (14%)

Content Size

3.0 MB

After Optimization

2.6 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Jscrab.com main page is 3.0 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. 15% of websites need less resources to load. Images take 2.7 MB which makes up the majority of the site volume.

HTML Optimization

-76%

Potential reduce by 28.4 kB

  • Original 37.4 kB
  • After minification 33.9 kB
  • After compression 9.0 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 28.4 kB or 76% of the original size.

Image Optimization

-8%

Potential reduce by 221.1 kB

  • Original 2.7 MB
  • After minification 2.5 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. Jscrab images are well optimized though.

JavaScript Optimization

-75%

Potential reduce by 128.3 kB

  • Original 171.9 kB
  • After minification 134.1 kB
  • After compression 43.6 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 128.3 kB or 75% of the original size.

CSS Optimization

-84%

Potential reduce by 37.5 kB

  • Original 44.7 kB
  • After minification 35.8 kB
  • After compression 7.1 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. Jscrab.com needs all CSS files to be minified and compressed as it can save up to 37.5 kB or 84% of the original size.

Requests Breakdown

Number of requests can be reduced by 6 (15%)

Requests Now

41

After Optimization

35

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 41 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Jscrab. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 7 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

jscrab.com

jscrab.com

2444 ms

style.css

style.css

856 ms

jquery.min.js

jquery.min.js

861 ms

jquery.superslide.2.1.1.js

jquery.superslide.2.1.1.js

438 ms

ey_global.js

ey_global.js

454 ms

eyou.js

eyou.js

251 ms

ey_footer.js

ey_footer.js

742 ms

icon260.png

icon260.png

248 ms

1-211204213I3325.jpg

1-211204213I3325.jpg

243 ms

1-21040G44214D4.png

1-21040G44214D4.png

233 ms

1-22012GF5202R.png

1-22012GF5202R.png

633 ms

1-21040F92915209.png

1-21040F92915209.png

2641 ms

1-21040F9320c22.png

1-21040F9320c22.png

7882 ms

icon299.png

icon299.png

443 ms

icon_255.png

icon_255.png

452 ms

200.png

200.png

474 ms

tel_255.png

tel_255.png

649 ms

kf_255.png

kf_255.png

660 ms

1-220G1110952462.png

1-220G1110952462.png

1387 ms

1-21120G9494V47.jpg

1-21120G9494V47.jpg

859 ms

bg266.png

bg266.png

863 ms

1-211205102434H9.jpg

1-211205102434H9.jpg

2731 ms

1-211205102641S6.jpg

1-211205102641S6.jpg

2297 ms

1-230930212154236.png

1-230930212154236.png

2407 ms

6501.png

6501.png

1854 ms

1-23092R30410G4.jpg

1-23092R30410G4.jpg

2097 ms

1-2309101139233W.jpg

1-2309101139233W.jpg

3383 ms

1-230S1095Q1264.png

1-230S1095Q1264.png

2718 ms

1-2309161R63RZ.jpg

1-2309161R63RZ.jpg

3028 ms

1-211205193G21W.png

1-211205193G21W.png

8637 ms

1-2112060THY29.jpg

1-2112060THY29.jpg

4864 ms

1-21121111003Y29.jpg

1-21121111003Y29.jpg

3568 ms

t244.png

t244.png

3235 ms

bg244.png

bg244.png

3441 ms

gzh.png

gzh.png

4059 ms

3280.html

3280.html

3809 ms

ghs.png

ghs.png

3778 ms

lz1.png

lz1.png

3987 ms

index.php

index.php

4282 ms

hm.js

hm.js

960 ms

UrlChangeTracker.js

UrlChangeTracker.js

1598 ms

hm.gif

hm.gif

303 ms

Accessibility Review

jscrab.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

<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

Best practices

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

jscrab.com best practices score

58

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

Page has valid source maps

SEO Factors

jscrab.com SEO score

77

Search Engine Optimization Advices

Content Best Practices

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

Impact

Issue

High

Links do not have descriptive text

High

Image elements do not have [alt] attributes

Crawling and Indexing

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

Impact

Issue

High

robots.txt is not valid

Mobile Friendly

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/).

Impact

Issue

High

Document uses legible font sizes

Language and Encoding

  • Language Detected

    ZH

  • Language Claimed

    N/A

  • Encoding

    UTF-8

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

jscrab.com

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