1.7 sec in total
147 ms
826 ms
758 ms
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Visit programmervn.comWe analyzed Programmervn.com page load time and found that the first response time was 147 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.
programmervn.com performance score
name
value
score
weighting
Value3.0 s
49/100
10%
Value39.9 s
0/100
25%
Value27.4 s
0/100
10%
Value630 ms
48/100
30%
Value0.338
33/100
15%
Value12.6 s
14/100
10%
147 ms
39 ms
71 ms
71 ms
376 ms
Our browser made a total of 29 requests to load all elements on the main page. We found that 83% of them (24 requests) were addressed to the original Programmervn.com, 7% (2 requests) were made to Adimg.i2i.jp and 3% (1 request) were made to Image.oshiete-taiyoukou.com. The less responsive or slowest element that took the longest time to load (376 ms) relates to the external source Image.oshiete-taiyoukou.com.
Page size can be reduced by 52.8 kB (18%)
294.9 kB
242.1 kB
In fact, the total size of Programmervn.com main page is 294.9 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. 20% of websites need less resources to load. Images take 225.1 kB which makes up the majority of the site volume.
Potential reduce by 33.8 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 33.8 kB or 74% of the original size.
Potential reduce by 812 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. Programmervn images are well optimized though.
Potential reduce by 8.1 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 8.1 kB or 72% of the original size.
Potential reduce by 10.0 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. Programmervn.com needs all CSS files to be minified and compressed as it can save up to 10.0 kB or 80% of the original size.
Number of requests can be reduced by 6 (21%)
28
22
The browser has sent 28 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Programmervn. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests and as a result speed up the page load time.
programmervn.com
147 ms
style.css
39 ms
pagenavi-css.css
71 ms
wpp.css
71 ms
bnr.gif
376 ms
2nd_gets.php
369 ms
be2edb9f62264e37eb0048024992b8db_s-300x225.jpg
104 ms
a43ea6586203855584bb1fcd94cfab0f_s-300x200.jpg
79 ms
53d6cfae0180c5d91ce80257a393369d_s-300x200.jpg
104 ms
3bc3042ac59697d2c51be4284b285096_s-300x198.jpg
80 ms
0f2890d83857f2d3e50d317c4ef807c2_s-300x200.jpg
133 ms
c7ab02dd34797669a2a6a19fd6db8c7e_s-300x199.jpg
103 ms
64621259a681e120ce6966341d86d391_s-300x193.jpg
109 ms
972f07b97349ea18086924e419f3b644_s-300x200.jpg
110 ms
34a79187d3044e90a1e2c6405a1fb582_s-300x225.jpg
141 ms
a0001_015914-198x300.jpg
139 ms
no_thumb.jpg
143 ms
container.jpg
136 ms
header.gif
292 ms
content.jpg
130 ms
asset_bg_3.gif
103 ms
asset-header_bg_3.gif
104 ms
asset-name_bg.gif
106 ms
asset-footer_bg_3.gif
139 ms
widget-header.gif
140 ms
li.gif
142 ms
i2i.gif
311 ms
2014081231385.gif
301 ms
illegal.gif
299 ms
programmervn.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.
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
Form elements do not have associated labels
Links do not have a discernible name
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
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>).
programmervn.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
Detected JavaScript libraries
Browser errors were logged to the console
programmervn.com SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
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
N/A
N/A
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Programmervn.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) and no language is claimed in <html> or <meta> tags either. Our system also found out that Programmervn.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.
programmervn.com
Open Graph description is not detected on the main page of Programmervn. 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: