Report Summary

  • 0

    Performance

  • 0

    Accessibility

  • 0

    Best Practices

  • 0

    SEO

html5-guide.com

html5-guide.com is Expired or Suspended.

Page Load Speed

3.8 sec in total

First Response

548 ms

Resources Loaded

3.1 sec

Page Rendered

128 ms

html5-guide.com screenshot

About Website

Click here to check amazing Html5 Guide content. Otherwise, check out these important facts you probably never knew about html5-guide.com

HTML5.0とは何か、それまでのHTMLとの違いは何か、HTML5.0が勧告されるまでの経緯やHTML5.0の特徴を紹介します。

Visit html5-guide.com

Key Findings

We analyzed Html5-guide.com page load time and found that the first response time was 548 ms and then it took 3.2 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.

Performance Metrics

html5-guide.com performance score

0

Network Requests Diagram

html5-guide.com

548 ms

www.html5-guide.com

974 ms

style.css

306 ms

common.css

156 ms

bg_body.gif

157 ms

Our browser made a total of 21 requests to load all elements on the main page. We found that 90% of them (19 requests) were addressed to the original Html5-guide.com, 10% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (1.3 sec) belongs to the original domain Html5-guide.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 14.6 kB (5%)

Content Size

277.4 kB

After Optimization

262.7 kB

In fact, the total size of Html5-guide.com main page is 277.4 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. Images take 241.4 kB which makes up the majority of the site volume.

HTML Optimization

-60%

Potential reduce by 3.0 kB

  • Original 5.0 kB
  • After minification 4.7 kB
  • After compression 2.0 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 3.0 kB or 60% of the original size.

Image Optimization

-0%

Potential reduce by 79 B

  • Original 241.4 kB
  • After minification 241.3 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. Html5 Guide images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 34 B

  • Original 17.2 kB
  • After minification 17.2 kB
  • After compression 17.1 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. This website has mostly compressed JavaScripts.

CSS Optimization

-83%

Potential reduce by 11.5 kB

  • Original 13.8 kB
  • After minification 9.4 kB
  • After compression 2.3 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. Html5-guide.com needs all CSS files to be minified and compressed as it can save up to 11.5 kB or 83% of the original size.

Requests Breakdown

Number of requests can be reduced by 8 (42%)

Requests Now

19

After Optimization

11

The browser has sent 19 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Html5 Guide. 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.

SEO Factors

html5-guide.com SEO score

0

Language and Encoding

  • Language Detected

    JA

  • Language Claimed

    JA

  • Encoding

    SHIFT_JIS

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Html5-guide.com can be misinterpreted by Google and other search engines. Our service has detected that Japanese is used on the page, and it matches the claimed language. Our system also found out that Html5-guide.com main page’s claimed encoding is shift_jis. 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.

Social Sharing Optimization

Open Graph description is not detected on the main page of Html5 Guide. 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: