232 ms in total
18 ms
214 ms
0 ms
Visit vi.wikibooks.org now to see the best up-to-date Vi Wikibooks content for United States and also check out these interesting facts you probably never knew about vi.wikibooks.org
Visit vi.wikibooks.orgWe analyzed Vi.wikibooks.org page load time and found that the first response time was 18 ms and then it took 214 ms 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.
vi.wikibooks.org performance score
name
value
score
weighting
Value2.1 s
80/100
10%
Value18.8 s
0/100
25%
Value3.4 s
89/100
10%
Value30 ms
100/100
30%
Value0
100/100
15%
Value4.0 s
88/100
10%
18 ms
10 ms
18 ms
32 ms
41 ms
Our browser made a total of 22 requests to load all elements on the main page. We found that 36% of them (8 requests) were addressed to the original Vi.wikibooks.org, 64% (14 requests) were made to Upload.wikimedia.org. The less responsive or slowest element that took the longest time to load (53 ms) relates to the external source Upload.wikimedia.org.
Page size can be reduced by 46.6 kB (36%)
129.6 kB
82.9 kB
In fact, the total size of Vi.wikibooks.org main page is 129.6 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. 20% of websites need less resources to load. Images take 73.1 kB which makes up the majority of the site volume.
Potential reduce by 43.3 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 43.3 kB or 77% of the original size.
Potential reduce by 3.3 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. Vi Wikibooks images are well optimized though.
We found no issues to fix!
21
21
The browser has sent 21 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Vi Wikibooks. According to our analytics all requests are already optimized.
Trang_Ch%C3%ADnh
18 ms
load.php
10 ms
load.php
18 ms
load.php
32 ms
148px-Zines-fromlondonsymp07.jpg
41 ms
253px-Tomato_je.jpg
40 ms
280px-Sunny_side_up_by_yomi955.jpg
45 ms
35px-Wikipedia-logo.png
42 ms
35px-Wiktsister_en.png
45 ms
35px-Wikisource-logo.svg.png
47 ms
35px-Wikiquote-logo.svg.png
48 ms
35px-Wikispecies-logo.svg.png
48 ms
58px-Wikinews-logo.svg.png
51 ms
35px-Wikiversity-logo.svg.png
51 ms
35px-Wikivoyage-Logo-v3-icon.svg.png
49 ms
32px-Commons-logo.svg.png
51 ms
58px-Wikidata-logo.svg.png
52 ms
35px-Wikimedia_Community_Logo_optimized.svg.png
53 ms
wikimedia-button.png
25 ms
poweredby_mediawiki_88x31.png
41 ms
viwikibooks.png
8 ms
load.php
52 ms
vi.wikibooks.org 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.
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
Lists do not contain only <li> elements and script supporting elements (<script> and <template>).
vi.wikibooks.org best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
Missing source maps for large first-party JavaScript
vi.wikibooks.org SEO score
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
VI
VI
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Vi.wikibooks.org can be misinterpreted by Google and other search engines. Our service has detected that Vietnamese is used on the page, and it matches the claimed language. Our system also found out that Vi.wikibooks.org 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.
vi.wikibooks.org
Open Graph description is not detected on the main page of Vi Wikibooks. 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: