1.4 sec in total
247 ms
923 ms
231 ms
Welcome to ztree.com homepage info - get ready to check Z Tree best content for United States right away, or after learning these important things about ztree.com
Visit ztree.comWe analyzed Ztree.com page load time and found that the first response time was 247 ms and then it took 1.2 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 20% of websites can load faster.
ztree.com performance score
name
value
score
weighting
Value1.3 s
98/100
10%
Value2.6 s
87/100
25%
Value3.4 s
89/100
10%
Value1,410 ms
15/100
30%
Value0
100/100
15%
Value8.1 s
41/100
10%
247 ms
104 ms
103 ms
110 ms
95 ms
Our browser made a total of 37 requests to load all elements on the main page. We found that 59% of them (22 requests) were addressed to the original Ztree.com, 11% (4 requests) were made to Pagead2.googlesyndication.com and 11% (4 requests) were made to Tpc.googlesyndication.com. The less responsive or slowest element that took the longest time to load (343 ms) belongs to the original domain Ztree.com.
Page size can be reduced by 46.7 kB (19%)
245.9 kB
199.2 kB
In fact, the total size of Ztree.com main page is 245.9 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. 30% of websites need less resources to load. Images take 160.2 kB which makes up the majority of the site volume.
Potential reduce by 42.9 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 16.2 kB, which is 33% 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 42.9 kB or 87% of the original size.
Potential reduce by 207 B
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 Tree images are well optimized though.
Potential reduce by 340 B
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.
Potential reduce by 3.2 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. Ztree.com needs all CSS files to be minified and compressed as it can save up to 3.2 kB or 75% of the original size.
Number of requests can be reduced by 14 (40%)
35
21
The browser has sent 35 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Z Tree. 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 as a result speed up the page load time.
ztree.com
247 ms
fusion.css
104 ms
style.css
103 ms
site.css
110 ms
index.js
95 ms
show_ads.js
6 ms
ca-pub-9201467161835682.js
109 ms
zrt_lookup.html
111 ms
show_ads_impl.js
110 ms
ga.js
41 ms
Home_Hp3_1.gif
99 ms
ZTreeWin_Np1_1.gif
99 ms
ZTreeBold_Np1_1.gif
99 ms
ZTree_NBanner.GIF
98 ms
ztwlogo1.gif
161 ms
ztblogo1.gif
202 ms
ztwi01t.jpg
203 ms
95logo.gif
161 ms
os2logo.gif
161 ms
a_Rectangle.gif
163 ms
ztwi05t.jpg
198 ms
ztwi02t.jpg
287 ms
ztwi06t.jpg
288 ms
ztwi03t.jpg
292 ms
ztwi07t.jpg
248 ms
ztwi04t.jpg
343 ms
ztwi08t.jpg
252 ms
__utm.gif
72 ms
ads
323 ms
osd.js
7 ms
m_js_controller.js
27 ms
abg.js
42 ms
favicon
58 ms
googlelogo_color_112x36dp.png
45 ms
nessie_icon_tiamat_white.png
37 ms
s
23 ms
x_button_blue2.png
11 ms
ztree.com accessibility score
ARIA
These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.
Impact
Issue
[aria-*] attributes do not match their roles
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
Background and foreground colors do not have a sufficient contrast ratio.
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
<frame> or <iframe> elements do not have a title
Image elements do not have [alt] attributes
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
ztree.com best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
User Experience
Impact
Issue
Displays images with incorrect aspect ratio
Serves images with low resolution
General
Impact
Issue
Browser errors were logged to the console
ztree.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
EN
N/A
ISO-8859-1
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Ztree.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 Ztree.com main page’s claimed encoding is iso-8859-1. 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.
ztree.com
Open Graph description is not detected on the main page of Z Tree. 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: