Report Summary

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    Best Practices

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《公式》NARS Cosmetics | オフィシャルサイト | Makeup and Skincare

Page Load Speed

19.7 sec in total

First Response

1.1 sec

Resources Loaded

14.9 sec

Page Rendered

3.7 sec screenshot

About Website

Click here to check amazing NARS Cosmetics content for Japan. Otherwise, check out these important facts you probably never knew about

フランソワ・ナーズの革新的で自由な美の哲学により、アーティスティックな世界観を創造するメーキャップブランド。WEB限定商品の販売や限定キャンペーンを実施中 NARS


Key Findings

We analyzed page load time and found that the first response time was 1.1 sec and then it took 18.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 95% of websites can load faster.

Performance Metrics performance score


Network Requests Diagram

1127 ms


108 ms


1150 ms


72 ms


107 ms

Our browser made a total of 187 requests to load all elements on the main page. We found that 29% of them (55 requests) were addressed to the original, 11% (20 requests) were made to and 3% (6 requests) were made to The less responsive or slowest element that took the longest time to load (4.4 sec) relates to the external source

Page Optimization Overview & Recommendations

Page size can be reduced by 417.4 kB (12%)

Content Size

3.6 MB

After Optimization

3.2 MB

In fact, the total size of main page is 3.6 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. Only a small number of websites need less resources to load. Images take 2.9 MB which makes up the majority of the site volume.

HTML Optimization


Potential reduce by 237.1 kB

  • Original 281.0 kB
  • After minification 262.6 kB
  • After compression 43.9 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 237.1 kB or 84% of the original size.

Image Optimization


Potential reduce by 102.7 kB

  • Original 2.9 MB
  • After minification 2.8 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. NARS Cosmetics images are well optimized though.

JavaScript Optimization


Potential reduce by 67.7 kB

  • Original 410.8 kB
  • After minification 410.3 kB
  • After compression 343.1 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 67.7 kB or 16% of the original size.

CSS Optimization


Potential reduce by 9.9 kB

  • Original 55.8 kB
  • After minification 55.8 kB
  • After compression 45.9 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. needs all CSS files to be minified and compressed as it can save up to 9.9 kB or 18% of the original size.

Requests Breakdown

Number of requests can be reduced by 104 (63%)

Requests Now


After Optimization


The browser has sent 164 CSS, Javascripts, AJAX and image requests in order to completely render the main page of NARS Cosmetics. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 55 to 1 for JavaScripts and from 12 to 1 for CSS and as a result speed up the page load time.

SEO Factors SEO score


Language and Encoding

  • Language Detected


  • Language Claimed


  • Encoding


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

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