7.8 sec in total
67 ms
7.1 sec
635 ms
Click here to check amazing Dev411 content for Russia. Otherwise, check out these important facts you probably never knew about dev411.com
Visit dev411.comWe analyzed Dev411.com page load time and found that the first response time was 67 ms and then it took 7.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 85% of websites can load faster.
dev411.com performance score
name
value
score
weighting
Value3.3 s
40/100
10%
Value3.3 s
69/100
25%
Value3.3 s
91/100
10%
Value60 ms
100/100
30%
Value0
100/100
15%
Value3.3 s
94/100
10%
67 ms
212 ms
278 ms
1247 ms
1334 ms
Our browser made a total of 38 requests to load all elements on the main page. We found that 97% of them (37 requests) were addressed to the original Dev411.com, 3% (1 request) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (5 sec) belongs to the original domain Dev411.com.
Page size can be reduced by 209.7 kB (60%)
349.2 kB
139.5 kB
In fact, the total size of Dev411.com main page is 349.2 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 10% of websites need less resources to load. Javascripts take 124.1 kB which makes up the majority of the site volume.
Potential reduce by 98.4 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 98.4 kB or 86% of the original size.
Potential reduce by 6.6 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. Dev411 images are well optimized though.
Potential reduce by 95.7 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 95.7 kB or 77% of the original size.
Potential reduce by 9.0 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. Dev411.com needs all CSS files to be minified and compressed as it can save up to 9.0 kB or 77% of the original size.
Number of requests can be reduced by 27 (75%)
36
9
The browser has sent 36 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Dev411. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 6 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.
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dev411.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.
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
dev411.com 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
dev411.com SEO score
EN
N/A
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Dev411.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 Dev411.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.
{{og_description}}
dev411.com
Open Graph description is not detected on the main page of Dev411. 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: