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Report Summary

  • 10

    Performance

    Renders faster than
    23% of other websites

  • 86

    Accessibility

    Visual factors better than
    that of 61% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 82

    SEO

    Google-friendlier than
    44% of websites

merl.com

Mitsubishi Electric Research Laboratories

Page Load Speed

984 ms in total

First Response

40 ms

Resources Loaded

767 ms

Page Rendered

177 ms

About Website

Visit merl.com now to see the best up-to-date Merl content for United States and also check out these interesting facts you probably never knew about merl.com

Mitsubishi Electric Research Laboratories (MERL) is the North American arm of the Corporate R&D organization of Mitsubishi Electric Corporation.

Visit merl.com

Key Findings

We analyzed Merl.com page load time and found that the first response time was 40 ms and then it took 944 ms to load all DOM resources and completely render a web page. This is quite a good result, as only 20% of websites can load faster.

Performance Metrics

merl.com performance score

10

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.7 s

12/100

10%

LCP (Largest Contentful Paint)

Value14.6 s

0/100

25%

SI (Speed Index)

Value7.6 s

25/100

10%

TBT (Total Blocking Time)

Value1,560 ms

13/100

30%

CLS (Cumulative Layout Shift)

Value0.518

15/100

15%

TTI (Time to Interactive)

Value17.4 s

4/100

10%

Network Requests Diagram

merl.com

40 ms

www.merl.com

135 ms

reset.css

15 ms

jquery-ui.css

19 ms

jquery.min.js

23 ms

Our browser made a total of 59 requests to load all elements on the main page. We found that 63% of them (37 requests) were addressed to the original Merl.com, 17% (10 requests) were made to Fonts.gstatic.com and 7% (4 requests) were made to Youtube-nocookie.com. The less responsive or slowest element that took the longest time to load (140 ms) relates to the external source Youtube-nocookie.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 181.6 kB (25%)

Content Size

723.9 kB

After Optimization

542.3 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Merl.com main page is 723.9 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. 80% 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. Javascripts take 484.0 kB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 40.8 kB

  • Original 48.3 kB
  • After minification 40.9 kB
  • After compression 7.5 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 7.4 kB, which is 15% 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 40.8 kB or 84% of the original size.

Image Optimization

-0%

Potential reduce by 287 B

  • Original 102.6 kB
  • After minification 102.3 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. Merl images are well optimized though.

JavaScript Optimization

-28%

Potential reduce by 133.8 kB

  • Original 484.0 kB
  • After minification 484.0 kB
  • After compression 350.2 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 133.8 kB or 28% of the original size.

CSS Optimization

-8%

Potential reduce by 6.8 kB

  • Original 89.0 kB
  • After minification 88.4 kB
  • After compression 82.2 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. Merl.com has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 19 (42%)

Requests Now

45

After Optimization

26

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 45 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Merl. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 14 to 1 for JavaScripts and from 7 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

merl.com accessibility score

86

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.

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 IDs are not unique

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

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

Best Practices

merl.com best practices score

67

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

User Experience

Impact

Issue

High

Displays images with incorrect aspect ratio

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Missing source maps for large first-party JavaScript

SEO Factors

merl.com SEO score

82

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

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

Links are not crawlable

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