2.4 sec in total
711 ms
1.5 sec
153 ms
Click here to check amazing W 3 content. Otherwise, check out these important facts you probably never knew about w3.tn
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Visit w3.tnWe analyzed W3.tn page load time and found that the first response time was 711 ms and then it took 1.6 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 30% of websites can load faster.
w3.tn performance score
name
value
score
weighting
Value2.7 s
59/100
10%
Value2.9 s
82/100
25%
Value3.9 s
83/100
10%
Value210 ms
88/100
30%
Value0.073
95/100
15%
Value3.3 s
94/100
10%
711 ms
409 ms
463 ms
464 ms
465 ms
Our browser made a total of 9 requests to load all elements on the main page. We found that all of those requests were addressed to W3.tn and no external sources were called. The less responsive or slowest element that took the longest time to load (711 ms) belongs to the original domain W3.tn.
Page size can be reduced by 36.5 kB (60%)
60.3 kB
23.8 kB
In fact, the total size of W3.tn main page is 60.3 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. Only 5% of websites need less resources to load. CSS take 23.3 kB which makes up the majority of the site volume.
Potential reduce by 16.5 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 16.5 kB or 78% of the original size.
Potential reduce by 0 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. W 3 images are well optimized though.
Potential reduce by 20.0 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. W3.tn needs all CSS files to be minified and compressed as it can save up to 20.0 kB or 86% of the original size.
We found no issues to fix!
8
8
The browser has sent 8 CSS, Javascripts, AJAX and image requests in order to completely render the main page of W 3. According to our analytics all requests are already optimized.
w3.tn
711 ms
c5.css
409 ms
site_photoref.jpg
463 ms
site_photoexa.jpg
464 ms
site_photoqe.jpg
465 ms
holder.gif
218 ms
wrapper.gif
240 ms
head_index.gif
280 ms
bg.gif
361 ms
w3.tn accessibility score
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
w3.tn 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
User Experience
Impact
Issue
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
w3.tn SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Page is blocked from indexing
robots.txt is not valid
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
Impact
Issue
Image elements do not have [alt] attributes
FR
ZH
GB2312
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise W3.tn can be misinterpreted by Google and other search engines. Our service has detected that French is used on the page, and it does not match the claimed Chinese language. Our system also found out that W3.tn main page’s claimed encoding is gb2312. 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.
w3.tn
Open Graph description is not detected on the main page of W 3. 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: