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htmlref.com screenshot

Report Summary

  • 89

    Performance

    Renders faster than
    90% of other websites

  • 86

    Accessibility

    Visual factors better than
    that of 62% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    19% of websites

  • 77

    SEO

    Google-friendlier than
    36% of websites

htmlref.com

HTML Ref: HTML: The Complete Reference

Page Load Speed

1.4 sec in total

First Response

210 ms

Resources Loaded

1.1 sec

Page Rendered

180 ms

htmlref.com screenshot

About Website

Click here to check amazing HTML Ref content for United States. Otherwise, check out these important facts you probably never knew about htmlref.com

HTML/XHTML: TCR teaches real world Web markup with a focus on the standards in use today. Understand the core elements of XHTML, CSS, and Web development.

Visit htmlref.com

Key Findings

We analyzed Htmlref.com page load time and found that the first response time was 210 ms and then it took 1.2 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 25% of websites can load faster.

Performance Metrics

htmlref.com performance score

89

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.5 s

67/100

10%

LCP (Largest Contentful Paint)

Value3.2 s

72/100

25%

SI (Speed Index)

Value2.9 s

95/100

10%

TBT (Total Blocking Time)

Value20 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value2.9 s

96/100

10%

Network Requests Diagram

htmlref.com

210 ms

common.css

176 ms

common.js

235 ms

init.js

177 ms

urchin.js

22 ms

Our browser made a total of 38 requests to load all elements on the main page. We found that 50% of them (19 requests) were addressed to the original Htmlref.com, 11% (4 requests) were made to Pagead2.googlesyndication.com and 11% (4 requests) were made to Tpc.googlesyndication.com. The less responsive or slowest element that took the longest time to load (292 ms) relates to the external source Googleads.g.doubleclick.net.

Page Optimization Overview & Recommendations

Page size can be reduced by 58.3 kB (50%)

Content Size

116.6 kB

After Optimization

58.4 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Htmlref.com main page is 116.6 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. 35% of websites need less resources to load. Javascripts take 57.8 kB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 23.5 kB

  • Original 29.3 kB
  • After minification 27.2 kB
  • After compression 5.7 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 23.5 kB or 80% of the original size.

Image Optimization

-1%

Potential reduce by 217 B

  • Original 20.8 kB
  • After minification 20.5 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. HTML Ref images are well optimized though.

JavaScript Optimization

-48%

Potential reduce by 27.7 kB

  • Original 57.8 kB
  • After minification 50.0 kB
  • After compression 30.1 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 27.7 kB or 48% of the original size.

CSS Optimization

-78%

Potential reduce by 6.9 kB

  • Original 8.8 kB
  • After minification 6.3 kB
  • After compression 1.9 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. Htmlref.com needs all CSS files to be minified and compressed as it can save up to 6.9 kB or 78% of the original size.

Requests Breakdown

Number of requests can be reduced by 14 (39%)

Requests Now

36

After Optimization

22

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 36 CSS, Javascripts, AJAX and image requests in order to completely render the main page of HTML Ref. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 10 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

htmlref.com

htmlref.com

210 ms

common.css

common.css

176 ms

common.js

common.js

235 ms

init.js

init.js

177 ms

urchin.js

urchin.js

22 ms

show_ads.js

show_ads.js

4 ms

dom.css

dom.css

80 ms

__utm.gif

__utm.gif

21 ms

mixpanel.2.js

mixpanel.2.js

19 ms

badge_blue.png

badge_blue.png

223 ms

IMG_orangebar.gif

IMG_orangebar.gif

100 ms

H_IMG_logo.gif

H_IMG_logo.gif

102 ms

H_IMG_book.gif

H_IMG_book.gif

191 ms

H_IMG_bytp.gif

H_IMG_bytp.gif

99 ms

H_IMG_htmlxml.gif

H_IMG_htmlxml.gif

186 ms

H_IMG_cssprops.gif

H_IMG_cssprops.gif

184 ms

H_IMG_coloref.gif

H_IMG_coloref.gif

190 ms

H_IMG_charref.gif

H_IMG_charref.gif

189 ms

H_IMG_fontref.gif

H_IMG_fontref.gif

189 ms

space.gif

space.gif

191 ms

htmlbannerad.jpg

htmlbannerad.jpg

250 ms

H_IMG_otherbooks.gif

H_IMG_otherbooks.gif

248 ms

IMG_sponsoredbypint.gif

IMG_sponsoredbypint.gif

249 ms

ca-pub-3632606814650339.js

ca-pub-3632606814650339.js

63 ms

zrt_lookup.html

zrt_lookup.html

41 ms

show_ads_impl.js

show_ads_impl.js

53 ms

11 ms

10 ms

ads

ads

292 ms

osd.js

osd.js

9 ms

print.css

print.css

63 ms

m_js_controller.js

m_js_controller.js

24 ms

abg.js

abg.js

37 ms

favicon

favicon

65 ms

googlelogo_color_112x36dp.png

googlelogo_color_112x36dp.png

49 ms

nessie_icon_tiamat_white.png

nessie_icon_tiamat_white.png

36 ms

s

s

21 ms

x_button_blue2.png

x_button_blue2.png

8 ms

Accessibility Review

htmlref.com accessibility score

86

Accessibility Issues

Contrast

These are opportunities to improve the legibility of your content.

Impact

Issue

High

Background and foreground colors do not have a sufficient contrast ratio.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

[id] attributes on active, focusable elements are not unique

Best Practices

htmlref.com best practices score

58

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

High

Browser errors were logged to the console

High

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

htmlref.com SEO score

77

Search Engine Optimization Advices

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    EN

  • Encoding

    ISO-8859-1

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Htmlref.com can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it matches the claimed language. Our system also found out that Htmlref.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

htmlref.com

Open Graph description is not detected on the main page of HTML Ref. 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: