Tools & Wizards About Us
nulldownload.com screenshot

Report Summary

  • 54

    Performance

    Renders faster than
    71% of other websites

  • 69

    Accessibility

    Visual factors better than
    that of 34% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 85

    SEO

    Google-friendlier than
    55% of websites

nulldownload.com

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Page Load Speed

7.6 sec in total

First Response

178 ms

Resources Loaded

7.2 sec

Page Rendered

172 ms

nulldownload.com screenshot

About Website

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

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Key Findings

We analyzed Nulldownload.com page load time and found that the first response time was 178 ms and then it took 7.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 85% of websites can load faster.

Performance Metrics

nulldownload.com performance score

54

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.9 s

52/100

10%

LCP (Largest Contentful Paint)

Value8.9 s

1/100

25%

SI (Speed Index)

Value8.7 s

16/100

10%

TBT (Total Blocking Time)

Value140 ms

95/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value8.6 s

37/100

10%

Network Requests Diagram

nulldownload.com

178 ms

www.nulldownload.com

301 ms

jquery.min.js

72 ms

jquery-1.11.0.min.js

322 ms

style.css

252 ms

Our browser made a total of 69 requests to load all elements on the main page. We found that 22% of them (15 requests) were addressed to the original Nulldownload.com, 51% (35 requests) were made to Zjghuanyu.com and 17% (12 requests) were made to Test.xinxiyidiantong.com. The less responsive or slowest element that took the longest time to load (3.5 sec) relates to the external source Zjghuanyu.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 169.5 kB (6%)

Content Size

2.6 MB

After Optimization

2.4 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Nulldownload.com main page is 2.6 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. 40% of websites need less resources to load. Images take 2.6 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

-6%

Potential reduce by 164.0 kB

  • Original 2.6 MB
  • After minification 2.4 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. Nulldownload images are well optimized though.

JavaScript Optimization

-6%

Potential reduce by 1.2 kB

  • Original 20.5 kB
  • After minification 20.5 kB
  • After compression 19.3 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. Nulldownload.com has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 16 (25%)

Requests Now

64

After Optimization

48

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 64 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Nulldownload. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 14 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

nulldownload.com

nulldownload.com

178 ms

www.nulldownload.com

www.nulldownload.com

301 ms

jquery.min.js

jquery.min.js

72 ms

jquery-1.11.0.min.js

jquery-1.11.0.min.js

322 ms

style.css

style.css

252 ms

nivo-slider.css

nivo-slider.css

252 ms

jquery.nivo.slider.pack.js

jquery.nivo.slider.pack.js

224 ms

jquery.kinMaxShow-1.1.min.js

jquery.kinMaxShow-1.1.min.js

252 ms

jquery.SuperSlide.2.1.1.source.js

jquery.SuperSlide.2.1.1.source.js

256 ms

style1.css

style1.css

372 ms

wow.min.js

wow.min.js

444 ms

PZtouch.js

PZtouch.js

415 ms

main.js

main.js

445 ms

index.js

index.js

438 ms

sj.js

sj.js

942 ms

fcl.php

fcl.php

1026 ms

push.js

push.js

512 ms

1.jpg

1.jpg

1216 ms

search2.png

search2.png

1243 ms

search.png

search.png

1310 ms

1-1G02G313090-L.jpg

1-1G02G313090-L.jpg

1493 ms

banner-02.jpg

banner-02.jpg

1643 ms

banner-01.jpg

banner-01.jpg

1643 ms

1a4cdc732792104.jpg

1a4cdc732792104.jpg

1604 ms

1-1G02PU35N22.jpg

1-1G02PU35N22.jpg

1611 ms

1-1G02PTJSO.jpg

1-1G02PTJSO.jpg

1823 ms

1-1G02PT250135.jpg

1-1G02PT250135.jpg

2474 ms

1-1G02PUI10-L.jpg

1-1G02PUI10-L.jpg

1809 ms

1-1G02PZ2030-L.jpg

1-1G02PZ2030-L.jpg

1986 ms

1-1G02PZ2570-L.jpg

1-1G02PZ2570-L.jpg

1989 ms

18983235f4f0ca9.jpg

18983235f4f0ca9.jpg

2118 ms

1-1G02P933100-L.jpg

1-1G02P933100-L.jpg

1987 ms

1-1G02P93R5103.jpg

1-1G02P93R5103.jpg

1918 ms

1-1G02P940010-L.jpg

1-1G02P940010-L.jpg

2151 ms

1-1G02P941420-L.jpg

1-1G02P941420-L.jpg

2186 ms

1-1G02P942250-L.jpg

1-1G02P942250-L.jpg

2185 ms

1-1G02P949140-L.jpg

1-1G02P949140-L.jpg

2189 ms

1-1G02P943390-L.jpg

1-1G02P943390-L.jpg

2492 ms

d1.png

d1.png

2263 ms

d2.png

d2.png

2302 ms

d3.png

d3.png

2314 ms

d4.png

d4.png

2385 ms

d5.png

d5.png

2314 ms

d6.png

d6.png

2960 ms

341.jpg

341.jpg

2462 ms

p2.png

p2.png

2521 ms

p1.png

p1.png

2481 ms

p3.png

p3.png

2508 ms

style1.css

style1.css

1251 ms

jquery.la.min.js

jquery.la.min.js

73 ms

a3.jpg

a3.jpg

2422 ms

3.jpg

3.jpg

2578 ms

btn1.png

btn1.png

3476 ms

line.png

line.png

2658 ms

js-sdk-pro.min.js

js-sdk-pro.min.js

57 ms

tj.js

tj.js

284 ms

collect

collect

991 ms

collect

collect

925 ms

2.jpg

2.jpg

3184 ms

logo.png

logo.png

1100 ms

26_1.jpg

26_1.jpg

1137 ms

3_1.jpg

3_1.jpg

796 ms

1_1.jpg

1_1.jpg

817 ms

5_1.jpg

5_1.jpg

1142 ms

2_1.jpg

2_1.jpg

1176 ms

22_1.gif

22_1.gif

1707 ms

18_1.jpg

18_1.jpg

1554 ms

9_1.jpg

9_1.jpg

1469 ms

10_1.jpg

10_1.jpg

1604 ms

Accessibility Review

nulldownload.com accessibility score

69

Accessibility Issues

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

Best Practices

nulldownload.com best practices score

67

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

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

nulldownload.com SEO score

85

Search Engine Optimization Advices

Crawling and Indexing

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

Impact

Issue

High

Page is blocked from indexing

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

    UTF-8

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

nulldownload.com

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