Report Summary

  • 20

    Performance

    Renders faster than
    37% of other websites

  • 91

    Accessibility

    Visual factors better than
    that of 76% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 100

    SEO

    Google-friendlier than
    94% of websites

dereklam.com

Derek Lam | Luxury Fashion & Designer Outfits

Page Load Speed

1.7 sec in total

First Response

155 ms

Resources Loaded

1.5 sec

Page Rendered

114 ms

dereklam.com screenshot

About Website

Welcome to dereklam.com homepage info - get ready to check Derek Lam best content for United States right away, or after learning these important things about dereklam.com

Shop designer clothes & handbag collections from the Official Derek Lam Online Store. Discover trendy fashion for women. Free shipping available!

Visit dereklam.com

Key Findings

We analyzed Dereklam.com page load time and found that the first response time was 155 ms and then it took 1.6 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 35% of websites can load faster.

Performance Metrics

dereklam.com performance score

20

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.1 s

45/100

10%

LCP (Largest Contentful Paint)

Value27.1 s

0/100

25%

SI (Speed Index)

Value28.5 s

0/100

10%

TBT (Total Blocking Time)

Value25,600 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.004

100/100

15%

TTI (Time to Interactive)

Value38.4 s

0/100

10%

Network Requests Diagram

dereklam.com

155 ms

www.dereklam.com

470 ms

9f7a6b0a2ce06c7ab8af68369549206d.css

9 ms

18d13dfb9dd343a8b71427f557ed363a.js

36 ms

Current

637 ms

Our browser made a total of 10 requests to load all elements on the main page. We found that 80% of them (8 requests) were addressed to the original Dereklam.com, 20% (2 requests) were made to Cdn-us-ec.yottaa.net. The less responsive or slowest element that took the longest time to load (637 ms) belongs to the original domain Dereklam.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.2 MB (81%)

Content Size

1.5 MB

After Optimization

276.5 kB

In fact, the total size of Dereklam.com main page is 1.5 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. 50% of websites need less resources to load. CSS take 826.1 kB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 81.1 kB

  • Original 101.8 kB
  • After minification 82.6 kB
  • After compression 20.7 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. This page needs HTML code to be minified as it can gain 19.2 kB, which is 19% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 81.1 kB or 80% of the original size.

JavaScript Optimization

-69%

Potential reduce by 388.8 kB

  • Original 566.7 kB
  • After minification 566.7 kB
  • After compression 177.9 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 388.8 kB or 69% of the original size.

CSS Optimization

-91%

Potential reduce by 748.2 kB

  • Original 826.1 kB
  • After minification 760.3 kB
  • After compression 77.9 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. Dereklam.com needs all CSS files to be minified and compressed as it can save up to 748.2 kB or 91% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

6

After Optimization

6

The browser has sent 6 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Derek Lam. According to our analytics all requests are already optimized.

Accessibility Review

dereklam.com accessibility score

91

Accessibility Issues

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

ARIA input fields do not have accessible names

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

Buttons do not have an accessible name

High

Links do not have a discernible name

Best Practices

dereklam.com best practices score

83

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

dereklam.com 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

    EN

  • Language Claimed

    EN

  • Encoding

    UTF-8

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

Open Graph description is not detected on the main page of Derek Lam. 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: