Tools & Wizards About Us
htmlbook.com screenshot

Report Summary

  • 0

    Performance

  • 33

    Accessibility

    Visual factors better than
    that of 18% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 67

    SEO

    Google-friendlier than
    25% of websites

htmlbook.com

<creative html design.2>

Page Load Speed

578 ms in total

First Response

75 ms

Resources Loaded

287 ms

Page Rendered

216 ms

htmlbook.com screenshot

About Website

Visit htmlbook.com now to see the best up-to-date Html Book content and also check out these interesting facts you probably never knew about htmlbook.com

Visit htmlbook.com

Key Findings

We analyzed Htmlbook.com page load time and found that the first response time was 75 ms and then it took 503 ms to load all DOM resources and completely render a web page. This is an excellent result, as only 5% of websites can load faster.

Performance Metrics

htmlbook.com performance score

0

Network Requests Diagram

htmlbook.com

75 ms

cover.html

23 ms

navbar.html

44 ms

coverbg.jpg

43 ms

title-t.gif

43 ms

Our browser made a total of 32 requests to load all elements on the main page. We found that all of those requests were addressed to Htmlbook.com and no external sources were called. The less responsive or slowest element that took the longest time to load (75 ms) belongs to the original domain Htmlbook.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 6.1 kB (17%)

Content Size

34.8 kB

After Optimization

28.7 kB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Htmlbook.com main page is 34.8 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 5% of websites need less resources to load. Images take 27.2 kB which makes up the majority of the site volume.

HTML Optimization

-67%

Potential reduce by 2.0 kB

  • Original 3.0 kB
  • After minification 2.9 kB
  • After compression 1.0 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 2.0 kB or 67% of the original size.

Image Optimization

-0%

Potential reduce by 14 B

  • Original 27.2 kB
  • After minification 27.2 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 Book images are well optimized though.

JavaScript Optimization

-89%

Potential reduce by 4.1 kB

  • Original 4.5 kB
  • After minification 1.5 kB
  • After compression 497 B

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 4.1 kB or 89% of the original size.

Requests Breakdown

Number of requests can be reduced by 23 (74%)

Requests Now

31

After Optimization

8

  • AJAX
  • Images
  • JavaScript

The browser has sent 31 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Html Book. 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

htmlbook.com

htmlbook.com

75 ms

cover.html

cover.html

23 ms

navbar.html

navbar.html

44 ms

coverbg.jpg

coverbg.jpg

43 ms

title-t.gif

title-t.gif

43 ms

rollover.js

rollover.js

23 ms

book-off.gif

book-off.gif

23 ms

about_book-off.gif

about_book-off.gif

22 ms

about_cd-off.gif

about_cd-off.gif

23 ms

bios-off.gif

bios-off.gif

43 ms

dad-off.gif

dad-off.gif

43 ms

lintro-off.gif

lintro-off.gif

43 ms

bintro-off.gif

bintro-off.gif

44 ms

toc-off.gif

toc-off.gif

43 ms

sample-off.gif

sample-off.gif

44 ms

order-off.gif

order-off.gif

62 ms

techie-off.gif

techie-off.gif

62 ms

ducks-off.gif

ducks-off.gif

63 ms

feedback-off.gif

feedback-off.gif

63 ms

about_book-on.gif

about_book-on.gif

23 ms

about_cd-on.gif

about_cd-on.gif

23 ms

bios-on.gif

bios-on.gif

27 ms

dad-on.gif

dad-on.gif

24 ms

lintro-on.gif

lintro-on.gif

24 ms

bintro-on.gif

bintro-on.gif

25 ms

toc-on.gif

toc-on.gif

42 ms

sample-on.gif

sample-on.gif

44 ms

order-on.gif

order-on.gif

45 ms

techie-on.gif

techie-on.gif

47 ms

ducks-on.gif

ducks-on.gif

47 ms

feedback-on.gif

feedback-on.gif

47 ms

book-on.gif

book-on.gif

62 ms

Accessibility Review

htmlbook.com accessibility score

33

Accessibility Issues

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

<frame> or <iframe> elements do not have a title

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

Best Practices

htmlbook.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

SEO Factors

htmlbook.com SEO score

67

Search Engine Optimization Advices

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    N/A

  • Encoding

    N/A

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Htmlbook.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 Htmlbook.com main page’s claimed encoding is . 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

htmlbook.com

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