6.4 sec in total
1.4 sec
4.7 sec
218 ms
Visit infrapre.connpass.com now to see the best up-to-date Infrapre Connpass content for Japan and also check out these interesting facts you probably never knew about infrapre.connpass.com
エンジニアのためのプレゼン技術研究会's detail page.
Visit infrapre.connpass.comWe analyzed Infrapre.connpass.com page load time and found that the first response time was 1.4 sec and then it took 5 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.
infrapre.connpass.com performance score
name
value
score
weighting
Value3.2 s
43/100
10%
Value10.4 s
0/100
25%
Value9.0 s
14/100
10%
Value820 ms
35/100
30%
Value0.001
100/100
15%
Value16.1 s
6/100
10%
1424 ms
1819 ms
92 ms
49 ms
723 ms
Our browser made a total of 68 requests to load all elements on the main page. We found that 1% of them (1 request) were addressed to the original Infrapre.connpass.com, 38% (26 requests) were made to Connpass-tokyo.s3.amazonaws.com and 15% (10 requests) were made to Connpass.com. The less responsive or slowest element that took the longest time to load (2.1 sec) relates to the external source Connpass.com.
Page size can be reduced by 552.5 kB (61%)
910.9 kB
358.4 kB
In fact, the total size of Infrapre.connpass.com main page is 910.9 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. 55% of websites need less resources to load. Javascripts take 517.7 kB which makes up the majority of the site volume.
Potential reduce by 41.2 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. This page needs HTML code to be minified as it can gain 5.6 kB, which is 11% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 41.2 kB or 80% of the original size.
Potential reduce by 5.5 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. Infrapre Connpass images are well optimized though.
Potential reduce by 304.0 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 304.0 kB or 59% of the original size.
Potential reduce by 201.7 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. Infrapre.connpass.com needs all CSS files to be minified and compressed as it can save up to 201.7 kB or 86% of the original size.
Number of requests can be reduced by 27 (40%)
67
40
The browser has sent 67 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Infrapre Connpass. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 16 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.
infrapre.connpass.com
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infrapre.connpass.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
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
Heading elements are not in a sequentially-descending order
Best practices
These items highlight common accessibility best practices.
Impact
Issue
[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.
infrapre.connpass.com 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
General
Impact
Issue
Detected JavaScript libraries
Page has valid source maps
infrapre.connpass.com SEO score
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
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
JA
EN
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Infrapre.connpass.com can be misinterpreted by Google and other search engines. Our service has detected that Japanese is used on the page, and it does not match the claimed English language. Our system also found out that Infrapre.connpass.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.
infrapre.connpass.com
Open Graph data is detected on the main page of Infrapre Connpass. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: