Tools & Wizards About Us
aljazaribook.com screenshot

Report Summary

  • 69

    Performance

    Renders faster than
    80% of other websites

  • 92

    Accessibility

    Visual factors better than
    that of 78% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 89

    SEO

    Google-friendlier than
    66% of websites

aljazaribook.com

The Book of Knowledge of Ingenious Mechanical Devices – The site is hoping to bring back the book to life and to meet, through the book, the author, a...

Page Load Speed

5.7 sec in total

First Response

13 ms

Resources Loaded

1.6 sec

Page Rendered

4.1 sec

aljazaribook.com screenshot

About Website

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

The site is hoping to bring back the book to life and to meet, through the book, the author, al Jazari, court engineer in Diyarbakir in the 12th century.

Visit aljazaribook.com

Key Findings

We analyzed Aljazaribook.com page load time and found that the first response time was 13 ms and then it took 5.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster.

Performance Metrics

aljazaribook.com performance score

69

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.8 s

56/100

10%

LCP (Largest Contentful Paint)

Value5.6 s

18/100

25%

SI (Speed Index)

Value3.5 s

88/100

10%

TBT (Total Blocking Time)

Value160 ms

94/100

30%

CLS (Cumulative Layout Shift)

Value0.094

91/100

15%

TTI (Time to Interactive)

Value4.4 s

83/100

10%

Network Requests Diagram

aljazaribook.com

13 ms

364 ms

style.min.css

77 ms

mediaelementplayer-legacy.min.css

80 ms

wp-mediaelement.min.css

85 ms

Our browser made a total of 73 requests to load all elements on the main page. We found that 15% of them (11 requests) were addressed to the original Aljazaribook.com, 45% (33 requests) were made to I0.wp.com and 15% (11 requests) were made to Fonts.wp.com. The less responsive or slowest element that took the longest time to load (866 ms) relates to the external source Youtube.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 194.7 kB (11%)

Content Size

1.8 MB

After Optimization

1.6 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Aljazaribook.com main page is 1.8 MB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 75% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Images take 1.3 MB which makes up the majority of the site volume.

HTML Optimization

-76%

Potential reduce by 185.8 kB

  • Original 245.6 kB
  • After minification 241.5 kB
  • After compression 59.8 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 185.8 kB or 76% of the original size.

Image Optimization

-0%

Potential reduce by 3.2 kB

  • Original 1.3 MB
  • After minification 1.2 MB

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. Al Jazari Book images are well optimized though.

JavaScript Optimization

-2%

Potential reduce by 2.7 kB

  • Original 176.2 kB
  • After minification 176.2 kB
  • After compression 173.6 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

-3%

Potential reduce by 3.0 kB

  • Original 103.9 kB
  • After minification 103.9 kB
  • After compression 100.9 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. Aljazaribook.com has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 19 (32%)

Requests Now

60

After Optimization

41

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 60 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Al Jazari Book. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 13 to 1 for JavaScripts and from 8 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

aljazaribook.com

aljazaribook.com

13 ms

364 ms

style.min.css

style.min.css

77 ms

mediaelementplayer-legacy.min.css

mediaelementplayer-legacy.min.css

80 ms

wp-mediaelement.min.css

wp-mediaelement.min.css

85 ms

style.css

style.css

53 ms

css

css

94 ms

css

css

101 ms

jetpack.css

jetpack.css

87 ms

tiled-gallery.min.js

tiled-gallery.min.js

86 ms

jquery.min.js

jquery.min.js

85 ms

jquery-migrate.min.js

jquery-migrate.min.js

85 ms

bilmur.min.js

bilmur.min.js

90 ms

infinity.min.js

infinity.min.js

272 ms

image-cdn.js

image-cdn.js

272 ms

jetpack-carousel.min.js

jetpack-carousel.min.js

273 ms

gprofiles.js

gprofiles.js

87 ms

wpgroho.js

wpgroho.js

278 ms

small-menu.js

small-menu.js

278 ms

e-202409.js

e-202409.js

87 ms

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Khalili-Collections.jpg

201 ms

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323 ms

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Nf_krPlUWvA

384 ms

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Vfi5JS6HTH0

866 ms

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5e0f4f553590cd3c5f6f1acc1ada79f8

155 ms

servaas-basilica.jpg

servaas-basilica.jpg

204 ms

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al-bagdadi-combination-lock.jpg

204 ms

annunciation.jpg

annunciation.jpg

208 ms

Khalili-Collections_2.jpg

Khalili-Collections_2.jpg

209 ms

al-bagdadi-%D7%AA%D7%A7%D7%A8%D7%99%D7%91.jpg

al-bagdadi-%D7%AA%D7%A7%D7%A8%D7%99%D7%91.jpg

210 ms

servaas-basilica_2.jpg

servaas-basilica_2.jpg

201 ms

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Category-VI-chapter-5-Fig-173-p-204.jpg

284 ms

Category-VI-chapter-5-mechanism_english.jpg

Category-VI-chapter-5-mechanism_english.jpg

286 ms

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CategoryIII-chapter-10-Fig-119-p154-topkapi.jpg

291 ms

mechanism_en.jpg

mechanism_en.jpg

285 ms

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120px-Ablution_area_inside_Eastern_wall_of_Badshahi_mosque.jpg

286 ms

category-I-chapter-10-fig-78-p-93_Topkapi.jpg

category-I-chapter-10-fig-78-p-93_Topkapi.jpg

287 ms

jewish-delegation.jpg

jewish-delegation.jpg

287 ms

category-ii-chapter-1-p-96-fig-80_topkapi.jpg

category-ii-chapter-1-p-96-fig-80_topkapi.jpg

844 ms

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Category-II-Chapter-1-mechanism_en.jpg

346 ms

water-wheelturbine.jpg

water-wheelturbine.jpg

422 ms

659px-Maler_der_Geschichte_von_Bay%C3%A2d_und_Riy%C3%A2d_002.jpg

659px-Maler_der_Geschichte_von_Bay%C3%A2d_und_Riy%C3%A2d_002.jpg

291 ms

Fig-76-page-90-topkapi.jpg

Fig-76-page-90-topkapi.jpg

348 ms

clock-mechanism_en.jpg

clock-mechanism_en.jpg

345 ms

F%C3%A9camp-Psalter-%D7%9E%D7%99%D7%A0%D7%99%D7%90%D7%98%D7%95%D7%A8%D7%94-%D7%A9%D7%9C-%D7%91%D7%90%D7%96%D7%99%D7%99%D7%A8-%D7%A6%D7%A4%D7%95%D7%9F-%D7%A6%D7%A8%D7%A4%D7%AA-1180.jpg

F%C3%A9camp-Psalter-%D7%9E%D7%99%D7%A0%D7%99%D7%90%D7%98%D7%95%D7%A8%D7%94-%D7%A9%D7%9C-%D7%91%D7%90%D7%96%D7%99%D7%99%D7%A8-%D7%A6%D7%A4%D7%95%D7%9F-%D7%A6%D7%A8%D7%A4%D7%AA-1180.jpg

349 ms

Three-flutes.jpg

Three-flutes.jpg

348 ms

Perpetual-flute-with-two-buckets-p-173_3_w_captions.jpg

Perpetual-flute-with-two-buckets-p-173_3_w_captions.jpg

847 ms

Chapter-9-Category-IV_en.jpg

Chapter-9-Category-IV_en.jpg

847 ms

Fig-133-P-177-TopKapi_en.jpg

Fig-133-P-177-TopKapi_en.jpg

844 ms

Category-III-chapter-7-p145-fig-116_1315.jpg

Category-III-chapter-7-p145-fig-116_1315.jpg

846 ms

madrase.jpg

madrase.jpg

842 ms

category-i-chapter-7-p85-fig-74-farruk-ibn-abd-al-latif-1315.jpg

category-i-chapter-7-p85-fig-74-farruk-ibn-abd-al-latif-1315.jpg

844 ms

Category-I-chapter-7-mechanism_en.jpg

Category-I-chapter-7-mechanism_en.jpg

845 ms

170px-bayonet-mount-01-svg.png

170px-bayonet-mount-01-svg.png

848 ms

200px-faraday_title_page.jpg

200px-faraday_title_page.jpg

845 ms

Category-III-chapter-4-p-136-Fig-112-Topkapi.jpg

Category-III-chapter-4-p-136-Fig-112-Topkapi.jpg

847 ms

Maon-synagog.jpg

Maon-synagog.jpg

848 ms

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51dc56f4daf255cba496b931be243f47

162 ms

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198 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsjZ0B4uaVc.ttf

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsjZ0B4uaVc.ttf

80 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsiH0B4uaVc.ttf

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80 ms

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151 ms

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152 ms

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150 ms

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151 ms

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149 ms

memQYaGs126MiZpBA-UFUIcVXSCEkx2cmqvXlWq8tWZ0Pw86hd0RkyFjWV4exQ.ttf

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150 ms

memQYaGs126MiZpBA-UFUIcVXSCEkx2cmqvXlWq8tWZ0Pw86hd0RkxhjWV4exQ.ttf

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153 ms

memQYaGs126MiZpBA-UFUIcVXSCEkx2cmqvXlWq8tWZ0Pw86hd0Rk8ZkWV4exQ.ttf

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151 ms

memQYaGs126MiZpBA-UFUIcVXSCEkx2cmqvXlWq8tWZ0Pw86hd0Rk5hkWV4exQ.ttf

memQYaGs126MiZpBA-UFUIcVXSCEkx2cmqvXlWq8tWZ0Pw86hd0Rk5hkWV4exQ.ttf

153 ms

www-player.css

www-player.css

65 ms

www-embed-player.js

www-embed-player.js

99 ms

base.js

base.js

134 ms

Accessibility Review

aljazaribook.com accessibility score

92

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.

Tables and lists

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Impact

Issue

High

Definition list items are not wrapped in <dl> elements

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

High

Links do not have a discernible name

Best Practices

aljazaribook.com best practices score

92

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

aljazaribook.com SEO score

89

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

Links do not have descriptive text

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

High

Document uses legible font sizes

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Aljazaribook.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 Aljazaribook.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.

Social Sharing Optimization

aljazaribook.com

Open Graph data is detected on the main page of Al Jazari Book. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: