Tools & Wizards About Us
istanbul.co.jp screenshot

Report Summary

  • 38

    Performance

    Renders faster than
    57% of other websites

  • 95

    Accessibility

    Visual factors better than
    that of 86% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 100

    SEO

    Google-friendlier than
    94% of websites

istanbul.co.jp

イスタンブール – 創業1988年 日本で最初のトルコ料理レストラン

Page Load Speed

8.1 sec in total

First Response

1.8 sec

Resources Loaded

5.4 sec

Page Rendered

852 ms

istanbul.co.jp screenshot

About Website

Click here to check amazing Istanbul content. Otherwise, check out these important facts you probably never knew about istanbul.co.jp

イスタンブールは創業1988年の日本で最初のトルコ料理レストランで、日本で初めてトルコの代表的な料理である「ドネルケバブ」を皆様にご紹介した企業でもあります。日本で伝統のトルコ料理をご紹介し続けて30年今日も変わらぬ味とおもてなしでみなさまのお越しをお待ちしております。

Visit istanbul.co.jp

Key Findings

We analyzed Istanbul.co.jp page load time and found that the first response time was 1.8 sec and then it took 6.2 sec to load all DOM resources and completely render a web page. This is a poor result, as 80% of websites can load faster.

Performance Metrics

istanbul.co.jp performance score

38

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.7 s

30/100

10%

LCP (Largest Contentful Paint)

Value4.2 s

45/100

25%

SI (Speed Index)

Value11.4 s

5/100

10%

TBT (Total Blocking Time)

Value1,180 ms

21/100

30%

CLS (Cumulative Layout Shift)

Value0.001

100/100

15%

TTI (Time to Interactive)

Value12.3 s

15/100

10%

Network Requests Diagram

istanbul.co.jp

1808 ms

style.min.css

546 ms

style.min.css

467 ms

style.min.css

874 ms

styles.css

337 ms

Our browser made a total of 26 requests to load all elements on the main page. We found that 92% of them (24 requests) were addressed to the original Istanbul.co.jp, 4% (1 request) were made to Google.com and 4% (1 request) were made to Gstatic.com. The less responsive or slowest element that took the longest time to load (2.9 sec) belongs to the original domain Istanbul.co.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 240.3 kB (14%)

Content Size

1.7 MB

After Optimization

1.5 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Istanbul.co.jp main page is 1.7 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. 25% of websites need less resources to load. Images take 1.2 MB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 63.9 kB

  • Original 80.0 kB
  • After minification 79.7 kB
  • After compression 16.0 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 63.9 kB or 80% of the original size.

Image Optimization

-5%

Potential reduce by 64.9 kB

  • Original 1.2 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. Istanbul images are well optimized though.

JavaScript Optimization

-22%

Potential reduce by 70.2 kB

  • Original 317.7 kB
  • After minification 317.7 kB
  • After compression 247.5 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 70.2 kB or 22% of the original size.

CSS Optimization

-83%

Potential reduce by 41.3 kB

  • Original 49.8 kB
  • After minification 49.1 kB
  • After compression 8.5 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. Istanbul.co.jp needs all CSS files to be minified and compressed as it can save up to 41.3 kB or 83% of the original size.

Requests Breakdown

Number of requests can be reduced by 13 (52%)

Requests Now

25

After Optimization

12

  • Images
  • JavaScript
  • CSS

The browser has sent 25 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Istanbul. 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 from 5 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

istanbul.co.jp

istanbul.co.jp

1808 ms

style.min.css

style.min.css

546 ms

style.min.css

style.min.css

467 ms

style.min.css

style.min.css

874 ms

styles.css

styles.css

337 ms

style.css

style.css

429 ms

view.min.js

view.min.js

476 ms

index.js

index.js

221 ms

index.js

index.js

331 ms

api.js

api.js

49 ms

wp-polyfill-inert.min.js

wp-polyfill-inert.min.js

392 ms

regenerator-runtime.min.js

regenerator-runtime.min.js

455 ms

wp-polyfill.min.js

wp-polyfill.min.js

433 ms

index.js

index.js

489 ms

wp-polyfill-importmap.min.js

wp-polyfill-importmap.min.js

225 ms

logo-e1707305404856.jpg

logo-e1707305404856.jpg

804 ms

istanbul-exterior.jpg

istanbul-exterior.jpg

2883 ms

a783eedda53b50e8ee80b056482493c0.jpg

a783eedda53b50e8ee80b056482493c0.jpg

872 ms

5641a877315e2793749f68e9b7b56643.jpg

5641a877315e2793749f68e9b7b56643.jpg

1082 ms

4c35abf53db443e815e6f6ceb1aa8004.jpg

4c35abf53db443e815e6f6ceb1aa8004.jpg

1409 ms

band-pattern-a-full.png

band-pattern-a-full.png

1300 ms

band-pattern-a-slim.png

band-pattern-a-slim.png

1057 ms

testimonial-2013-a.jpg

testimonial-2013-a.jpg

1493 ms

testimonial-2014-768x1024.jpg

testimonial-2014-768x1024.jpg

1603 ms

testimonial-2013-b-768x1024.jpg

testimonial-2013-b-768x1024.jpg

1497 ms

recaptcha__en.js

recaptcha__en.js

24 ms

Accessibility Review

istanbul.co.jp accessibility score

95

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.

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

Links do not have a discernible name

Best Practices

istanbul.co.jp 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

istanbul.co.jp SEO score

100

Search Engine Optimization Advices

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

Language and Encoding

  • Language Detected

    JA

  • Language Claimed

    JA

  • Encoding

    UTF-8

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

istanbul.co.jp

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