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313.cn screenshot

Report Summary

  • 67

    Performance

    Renders faster than
    79% of other websites

  • 85

    Accessibility

    Visual factors better than
    that of 58% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 79

    SEO

    Google-friendlier than
    40% of websites

313.cn

单飞网_400电话办理_400电话申请_www.313.cn

Page Load Speed

34 sec in total

First Response

966 ms

Resources Loaded

32.7 sec

Page Rendered

333 ms

313.cn screenshot

About Website

Click here to check amazing 313 content for United States. Otherwise, check out these important facts you probably never knew about 313.cn

400电话首选单飞网(www.313.cn),400电话网上营业厅,为各大企业提供优质的400号码以及400电话办理服务。全国400电话申请热线:400-900-8666。

Visit 313.cn

Key Findings

We analyzed 313.cn page load time and found that the first response time was 966 ms and then it took 33 sec to load all DOM resources and completely render a web page. This is an excellent result, as only a small number of websites can load faster.

Performance Metrics

313.cn performance score

67

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.8 s

55/100

10%

LCP (Largest Contentful Paint)

Value5.4 s

20/100

25%

SI (Speed Index)

Value5.7 s

52/100

10%

TBT (Total Blocking Time)

Value80 ms

99/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value6.3 s

61/100

10%

Network Requests Diagram

313.cn

966 ms

1518 ms

css.css

550 ms

banner_index.jpg

595 ms

img_team.jpg

593 ms

Our browser made a total of 32 requests to load all elements on the main page. We found that 34% of them (11 requests) were addressed to the original 313.cn, 16% (5 requests) were made to Bdimg.share.baidu.com and 13% (4 requests) were made to Hm.baidu.com. The less responsive or slowest element that took the longest time to load (16.6 sec) relates to the external source Tajs.qq.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 177.2 kB (75%)

Content Size

235.0 kB

After Optimization

57.8 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of 313.cn main page is 235.0 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. Only 10% of websites need less resources to load. Javascripts take 202.5 kB which makes up the majority of the site volume.

HTML Optimization

-68%

Potential reduce by 14.2 kB

  • Original 20.9 kB
  • After minification 19.1 kB
  • After compression 6.7 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 14.2 kB or 68% of the original size.

Image Optimization

-2%

Potential reduce by 229 B

  • Original 9.6 kB
  • After minification 9.4 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. 313 images are well optimized though.

JavaScript Optimization

-80%

Potential reduce by 162.8 kB

  • Original 202.5 kB
  • After minification 121.1 kB
  • After compression 39.7 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 162.8 kB or 80% of the original size.

CSS Optimization

-1%

Potential reduce by 17 B

  • Original 2.0 kB
  • After minification 2.0 kB
  • After compression 2.0 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. 313.cn has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 11 (50%)

Requests Now

22

After Optimization

11

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 22 CSS, Javascripts, AJAX and image requests in order to completely render the main page of 313. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 12 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

313.cn

313.cn

966 ms

1518 ms

css.css

css.css

550 ms

banner_index.jpg

banner_index.jpg

595 ms

img_team.jpg

img_team.jpg

593 ms

kf.js

kf.js

568 ms

stat.php

stat.php

876 ms

wpa.js

wpa.js

3129 ms

313seo.jpg

313seo.jpg

521 ms

smaq.jpg

smaq.jpg

524 ms

kxwz.jpg

kxwz.jpg

530 ms

szgs.jpg

szgs.jpg

3412 ms

kf.jpg

kf.jpg

556 ms

h.js

h.js

1653 ms

h.js

h.js

10290 ms

hm.gif

hm.gif

707 ms

21.gif

21.gif

1990 ms

stat.htm

stat.htm

738 ms

core.php

core.php

1022 ms

hm.gif

hm.gif

1149 ms

9.gif

9.gif

1174 ms

pic.gif

pic.gif

710 ms

crmqq.php

crmqq.php

16584 ms

wpa_first_heart_beat.php

wpa_first_heart_beat.php

691 ms

shell_v2.js

shell_v2.js

838 ms

r.cgi

r.cgi

5438 ms

get_version.php

get_version.php

752 ms

logger.js

logger.js

2059 ms

bds_s_v2.js

bds_s_v2.js

2503 ms

app.gif

app.gif

1116 ms

bdsstyle.css

bdsstyle.css

404 ms

l0.gif

l0.gif

415 ms

Accessibility Review

313.cn accessibility score

85

Accessibility Issues

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

Buttons do not have an accessible name

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.

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

Best Practices

313.cn best practices score

92

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

313.cn SEO score

79

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

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

High

Tap targets are not sized appropriately

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 313.cn 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 313.cn 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

313.cn

Open Graph description is not detected on the main page of 313. 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: