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Report Summary

  • 95

    Performance

    Renders faster than
    93% of other websites

  • 57

    Accessibility

    Visual factors better than
    that of 24% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 58

    SEO

    Google-friendlier than
    21% of websites

htmlmastery.com

HTML5 Mastery - Semantics, Standards, and Styling | Anselm Bradford | Apress

Page Load Speed

986 ms in total

First Response

184 ms

Resources Loaded

665 ms

Page Rendered

137 ms

htmlmastery.com screenshot

About Website

Welcome to htmlmastery.com homepage info - get ready to check Html Mastery best content right away, or after learning these important things about htmlmastery.com

Markup is synonymous with the development of the web, but most people only scratch the surface of its capabilities. Why settle for average HTML, when you can become an HTML5 master? That’s where this...

Visit htmlmastery.com

Key Findings

We analyzed Htmlmastery.com page load time and found that the first response time was 184 ms and then it took 802 ms to load all DOM resources and completely render a web page. This is quite a good result, as only 15% of websites can load faster.

Performance Metrics

htmlmastery.com performance score

95

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.4 s

97/100

10%

LCP (Largest Contentful Paint)

Value2.8 s

82/100

25%

SI (Speed Index)

Value1.4 s

100/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.002

100/100

15%

TTI (Time to Interactive)

Value1.4 s

100/100

10%

Network Requests Diagram

htmlmastery.com

184 ms

www.htmlmastery.com

170 ms

screen.css

78 ms

us.gif

156 ms

gb.gif

155 ms

Our browser made a total of 16 requests to load all elements on the main page. We found that all of those requests were addressed to Htmlmastery.com and no external sources were called. The less responsive or slowest element that took the longest time to load (234 ms) belongs to the original domain Htmlmastery.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 3.2 kB (50%)

Content Size

6.4 kB

After Optimization

3.2 kB

  • HTML
  • CSS

In fact, the total size of Htmlmastery.com main page is 6.4 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. HTML takes 5.2 kB which makes up the majority of the site volume.

HTML Optimization

-59%

Potential reduce by 3.1 kB

  • Original 5.2 kB
  • After minification 4.9 kB
  • After compression 2.2 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. 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 3.1 kB or 59% of the original size.

CSS Optimization

-10%

Potential reduce by 110 B

  • Original 1.1 kB
  • After minification 1.1 kB
  • After compression 1.0 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. Htmlmastery.com has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 5 (36%)

Requests Now

14

After Optimization

9

  • Images
  • CSS

The browser has sent 14 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Html Mastery. 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.

Network Requests Diagram

htmlmastery.com

htmlmastery.com

184 ms

www.htmlmastery.com

www.htmlmastery.com

170 ms

screen.css

screen.css

78 ms

us.gif

us.gif

156 ms

gb.gif

gb.gif

155 ms

ca.gif

ca.gif

159 ms

jp.gif

jp.gif

157 ms

de.gif

de.gif

158 ms

fr.gif

fr.gif

153 ms

hm-cover-sm.gif

hm-cover-sm.gif

231 ms

body_bg.gif

body_bg.gif

155 ms

title.gif

title.gif

229 ms

strapline.gif

strapline.gif

160 ms

content_bg.gif

content_bg.gif

231 ms

footer_bg.gif

footer_bg.gif

234 ms

hanging.gif

hanging.gif

233 ms

Accessibility Review

htmlmastery.com accessibility score

57

Accessibility Issues

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a [lang] attribute

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

High

Image elements do not have [alt] attributes

Best practices

These items highlight common accessibility best practices.

Impact

Issue

High

The document uses <meta http-equiv="refresh">

Best Practices

htmlmastery.com best practices score

75

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

htmlmastery.com SEO score

58

Search Engine Optimization Advices

Content Best Practices

Format your HTML in a way that enables crawlers to better understand your app’s content.

Impact

Issue

High

Image elements do not have [alt] attributes

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    N/A

  • Encoding

    ISO-8859-1

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Htmlmastery.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 Htmlmastery.com main page’s claimed encoding is iso-8859-1. 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

htmlmastery.com

Open Graph description is not detected on the main page of Html Mastery. 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: