39.9 sec in total
2.3 sec
37.5 sec
157 ms
Click here to check amazing Zd Lesson 9 content. Otherwise, check out these important facts you probably never knew about zd.lesson9.com
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Visit zd.lesson9.comWe analyzed Zd.lesson9.com page load time and found that the first response time was 2.3 sec and then it took 37.6 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. Unfortunately, there was 1 request timeout, which can generally increase the web page load time, as the browser stays idle while waiting for website response.
zd.lesson9.com performance score
2286 ms
10904 ms
1285 ms
862 ms
10887 ms
Our browser made a total of 37 requests to load all elements on the main page. We found that 0% of them (0 request) were addressed to the original Zd.lesson9.com, 16% (6 requests) were made to Pagead2.googlesyndication.com and 16% (6 requests) were made to Bdimg.share.baidu.com. The less responsive or slowest element that took the longest time to load (20.2 sec) relates to the external source Res.114px.com.
Page size can be reduced by 85.3 kB (38%)
224.6 kB
139.2 kB
In fact, the total size of Zd.lesson9.com main page is 224.6 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. Javascripts take 133.4 kB which makes up the majority of the site volume.
Potential reduce by 20.3 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 20.3 kB or 71% of the original size.
Potential reduce by 5.2 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, Zd Lesson 9 needs image optimization as it can save up to 5.2 kB or 12% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 47.0 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 47.0 kB or 35% of the original size.
Potential reduce by 12.8 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. Zd.lesson9.com needs all CSS files to be minified and compressed as it can save up to 12.8 kB or 69% of the original size.
Number of requests can be reduced by 20 (57%)
35
15
The browser has sent 35 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Zd Lesson 9. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 15 to 1 for JavaScripts and as a result speed up the page load time.
zd.114px.com
2286 ms
common.css
10904 ms
common.js
1285 ms
flash.js
862 ms
cookie.js
10887 ms
adsbygoogle.js
14 ms
logo.jpg
6496 ms
a4.gif
20236 ms
tab_bg.gif
370 ms
search1.gif
426 ms
ca-pub-2207399710212386.js
72 ms
zrt_lookup.html
66 ms
show_ads_impl.js
79 ms
1.gif
675 ms
navbar2.gif
4528 ms
2.gif
4611 ms
11.jpg
997 ms
h.js
2246 ms
ads
136 ms
osd.js
4 ms
612182561168370426
21 ms
abg.js
22 ms
m_js_controller.js
31 ms
googlelogo_color_112x36dp.png
21 ms
s
22 ms
x_button_blue2.png
21 ms
j6SDDiQit5YY48GNgPpnCluJgoNCzbKlh5o6eVjReZI.js
2 ms
activeview
13 ms
21.gif
1070 ms
hm.gif
461 ms
shell_v2.js
3833 ms
logger.js
427 ms
bds_s_v2.js
1088 ms
bdsstyle.css
462 ms
getnum
1384 ms
is.png
1297 ms
sc.png
358 ms
zd.lesson9.com SEO score
N/A
ZH
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Zd.lesson9.com can be misinterpreted by Google and other search engines. Unfortunately we cannot identify language used on the page (probably there is a mix of languages, too little text or something else), while the claimed language is Chinese. Our system also found out that Zd.lesson9.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.
zd.lesson9.com
Open Graph description is not detected on the main page of Zd Lesson 9. 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: