10.6 sec in total
2.1 sec
8.2 sec
289 ms
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Visit z0download.comWe analyzed Z0download.com page load time and found that the first response time was 2.1 sec and then it took 8.5 sec to load all DOM resources and completely render a web page. This is a poor result, as 85% of websites can load faster.
z0download.com performance score
name
value
score
weighting
Value2.0 s
84/100
10%
Value3.8 s
56/100
25%
Value2.8 s
95/100
10%
Value40 ms
100/100
30%
Value0.296
40/100
15%
Value2.0 s
99/100
10%
2102 ms
89 ms
139 ms
1540 ms
160 ms
Our browser made a total of 55 requests to load all elements on the main page. We found that 96% of them (53 requests) were addressed to the original Z0download.com, 4% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (3.7 sec) belongs to the original domain Z0download.com.
Page size can be reduced by 209.9 kB (16%)
1.3 MB
1.1 MB
In fact, the total size of Z0download.com main page is 1.3 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. 35% of websites need less resources to load. Images take 1.1 MB which makes up the majority of the site volume.
Potential reduce by 39.2 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. This page needs HTML code to be minified as it can gain 11.6 kB, which is 25% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 39.2 kB or 84% of the original size.
Potential reduce by 43.4 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. Z 0 Download images are well optimized though.
Potential reduce by 98.2 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 98.2 kB or 62% of the original size.
Potential reduce by 29.2 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. Z0download.com needs all CSS files to be minified and compressed as it can save up to 29.2 kB or 83% of the original size.
Number of requests can be reduced by 3 (6%)
54
51
The browser has sent 54 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Z 0 Download. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 4 to 1 for JavaScripts and as a result speed up the page load time.
z0download.com
2102 ms
reset.css
89 ms
web_site.css
139 ms
jquery-1.8.3.min.js
1540 ms
myfocus-2.0.4.min.js
160 ms
mF_kdui.js
161 ms
mF_kdui.css
1563 ms
ban.png
1704 ms
logo.gif
74 ms
nav_dd.png
350 ms
d7b4cd49ec13c6b7cd99771af28ced92.jpg
651 ms
f0ff9d857c20ac93ac37d264beba9c1b.jpg
761 ms
df01ff1ae36bab8d357d66a8591e16ac.jpg
724 ms
6511dd7fbe2058919e93a5d343c2d9c0.jpg
679 ms
950ac91d055156b5fa0c41ddc4d16b35.jpg
817 ms
body_bg.gif
1606 ms
top-banner-icon-close.png
1606 ms
bg2.png
1868 ms
search_btn1.gif
1711 ms
nav_first_curr.gif
3056 ms
nav_bg.gif
3007 ms
nav_last.gif
1927 ms
left_top_b_title.gif
1904 ms
pd1.png
2947 ms
lef_sub_lsit_title_bg.gif
3055 ms
left_list_item_bg.gif
2402 ms
524056431f2dfc27476370becb2a6adf.jpg
2569 ms
off.gif
2533 ms
buy_ico.gif
2649 ms
dl_ico.gif
2677 ms
4025d4c9bf27298cad35bb09390dfc5d.jpg
2832 ms
9e09d74fa6298b4fbb41cfbe3ec2df69.jpg
2872 ms
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3115 ms
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3041 ms
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3266 ms
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3535 ms
fa08c733f6df8e070217abc83ad70a42.png
3463 ms
18d6d06ab9b34592a128c1165ed58b53.png
3445 ms
list_bg4.png
3303 ms
foot_ico1.png
3210 ms
foot_ico2.png
3332 ms
foot_ico3.png
3362 ms
analytics.js
8 ms
foot_ico4.png
3355 ms
collect
16 ms
fb.png
3385 ms
tw.png
3123 ms
gp.png
2870 ms
tt.png
2848 ms
foot_ico5.png
2853 ms
foot_ico6.png
2802 ms
top1.png
3685 ms
loading.gif
2028 ms
dots.png
2037 ms
slider-arrows.png
2879 ms
z0download.com accessibility score
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
Background and foreground colors do not have a sufficient contrast ratio.
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
[id] attributes on active, focusable elements are not unique
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
<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
Image elements do not have [alt] attributes
Links do not have a discernible name
Best practices
These items highlight common accessibility best practices.
Impact
Issue
[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.
z0download.com best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Includes front-end JavaScript libraries with known security vulnerabilities
Ensure CSP is effective against XSS attacks
General
Impact
Issue
Detected JavaScript libraries
Page has valid source maps
z0download.com SEO score
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
Impact
Issue
Links do not have descriptive text
Image elements do not have [alt] attributes
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
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
Document uses legible font sizes
Tap targets are not sized appropriately
EN
N/A
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Z0download.com can be misinterpreted by Google and other search engines. Our service has detected that English 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 Z0download.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.
z0download.com
Open Graph description is not detected on the main page of Z 0 Download. 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: