Tools & Wizards About Us
51ptjob.com screenshot

Report Summary

  • 57

    Performance

    Renders faster than
    74% of other websites

  • 37

    Accessibility

    Visual factors better than
    that of 18% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 77

    SEO

    Google-friendlier than
    36% of websites

51ptjob.com

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Page Load Speed

36.7 sec in total

First Response

5.2 sec

Resources Loaded

31.2 sec

Page Rendered

234 ms

51ptjob.com screenshot

About Website

Welcome to 51ptjob.com homepage info - get ready to check 51 Ptjob best content right away, or after learning these important things about 51ptjob.com

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Visit 51ptjob.com

Key Findings

We analyzed 51ptjob.com page load time and found that the first response time was 5.2 sec and then it took 31.5 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 were 3 request timeouts, which can generally increase the web page load time, as the browser stays idle while waiting for website response.

Performance Metrics

51ptjob.com performance score

57

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.8 s

57/100

10%

LCP (Largest Contentful Paint)

Value6.8 s

7/100

25%

SI (Speed Index)

Value10.9 s

6/100

10%

TBT (Total Blocking Time)

Value120 ms

97/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value7.0 s

53/100

10%

Network Requests Diagram

51ptjob.com

5227 ms

jquery.js

4102 ms

jquery.cookie.js

1874 ms

mui.js

4324 ms

swiper.js

3712 ms

Our browser made a total of 28 requests to load all elements on the main page. We found that 79% of them (22 requests) were addressed to the original 51ptjob.com, 4% (1 request) were made to Res.wx.qq.com and 4% (1 request) were made to Pw.cnzz.com. The less responsive or slowest element that took the longest time to load (20.4 sec) belongs to the original domain 51ptjob.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 420.5 kB (47%)

Content Size

895.0 kB

After Optimization

474.4 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of 51ptjob.com main page is 895.0 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. 25% of websites need less resources to load. Images take 456.3 kB which makes up the majority of the site volume.

HTML Optimization

-70%

Potential reduce by 7.7 kB

  • Original 11.0 kB
  • After minification 10.0 kB
  • After compression 3.3 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 7.7 kB or 70% of the original size.

Image Optimization

-13%

Potential reduce by 60.6 kB

  • Original 456.3 kB
  • After minification 395.7 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. Obviously, 51 Ptjob needs image optimization as it can save up to 60.6 kB or 13% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-83%

Potential reduce by 330.4 kB

  • Original 399.9 kB
  • After minification 247.4 kB
  • After compression 69.4 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 330.4 kB or 83% of the original size.

CSS Optimization

-78%

Potential reduce by 21.7 kB

  • Original 27.8 kB
  • After minification 22.5 kB
  • After compression 6.0 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. 51ptjob.com needs all CSS files to be minified and compressed as it can save up to 21.7 kB or 78% of the original size.

Requests Breakdown

Number of requests can be reduced by 12 (60%)

Requests Now

20

After Optimization

8

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 20 CSS, Javascripts, AJAX and image requests in order to completely render the main page of 51 Ptjob. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 8 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

51ptjob.com

51ptjob.com

5227 ms

jquery.js

jquery.js

4102 ms

jquery.cookie.js

jquery.cookie.js

1874 ms

mui.js

mui.js

4324 ms

swiper.js

swiper.js

3712 ms

map.js

map.js

1896 ms

animate.css

animate.css

2442 ms

mui.css

mui.css

5393 ms

grid.css

grid.css

2811 ms

main.css

main.css

7164 ms

font.css

font.css

3387 ms

swiper.css

swiper.css

5531 ms

jweixin-1.0.0.js

jweixin-1.0.0.js

1752 ms

a_d_s.php

a_d_s.php

5905 ms

a_d_s.php

a_d_s.php

5552 ms

a_d_s.php

a_d_s.php

4900 ms

c.php

c.php

2767 ms

luobo.png

luobo.png

586 ms

1_20151021141024_padtk.jpg

1_20151021141024_padtk.jpg

19748 ms

iconfont.woff

iconfont.woff

5374 ms

iconfont.woff

iconfont.woff

620 ms

2_20160407110447_vo0ho.gif

2_20160407110447_vo0ho.gif

19747 ms

1_20151020111006_hgfgx.jpg

1_20151020111006_hgfgx.jpg

20426 ms

stat.htm

stat.htm

250 ms

core.php

core.php

883 ms

iconfont.svg

iconfont.svg

1891 ms

9.gif

9.gif

933 ms

app.gif

app.gif

955 ms

Accessibility Review

51ptjob.com accessibility score

37

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.

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

Links do not have a discernible name

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

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

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

51ptjob.com best practices score

75

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

Serves images with low resolution

General

Impact

Issue

High

Browser errors were logged to the console

SEO Factors

51ptjob.com SEO score

77

Search Engine Optimization Advices

Crawling and Indexing

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

Impact

Issue

High

robots.txt is not valid

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

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

    GB2312

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise 51ptjob.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 51ptjob.com main page’s claimed encoding is gb2312. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

51ptjob.com

Open Graph description is not detected on the main page of 51 Ptjob. 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: