Tools & Wizards About Us
fei.co.jp screenshot

Report Summary

  • 38

    Performance

    Renders faster than
    57% of other websites

  • 74

    Accessibility

    Visual factors better than
    that of 40% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 74

    SEO

    Google-friendlier than
    31% of websites

fei.co.jp

Electron Microscopy | Thermo Fisher Scientific - US

Page Load Speed

1.7 sec in total

First Response

113 ms

Resources Loaded

1.2 sec

Page Rendered

315 ms

fei.co.jp screenshot

About Website

Welcome to fei.co.jp homepage info - get ready to check Fei best content for Japan right away, or after learning these important things about fei.co.jp

Electron microscopes reveal hidden wonders that are smaller than the human eye can see. They fire electrons and create images, magnifying micrometer and nanometer structures by up to ten million times...

Visit fei.co.jp

Key Findings

We analyzed Fei.co.jp page load time and found that the first response time was 113 ms and then it took 1.5 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 30% of websites can load faster.

Performance Metrics

fei.co.jp performance score

38

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.9 s

87/100

10%

LCP (Largest Contentful Paint)

Value6.0 s

13/100

25%

SI (Speed Index)

Value3.9 s

82/100

10%

TBT (Total Blocking Time)

Value3,060 ms

2/100

30%

CLS (Cumulative Layout Shift)

Value0.006

100/100

15%

TTI (Time to Interactive)

Value11.2 s

20/100

10%

Network Requests Diagram

fei.co.jp

113 ms

electron-microscopy.html

63 ms

electron-microscopy.html

223 ms

launch-f46125d37e44.min.js

21 ms

preload

328 ms

Our browser made a total of 50 requests to load all elements on the main page. We found that 2% of them (1 request) were addressed to the original Fei.co.jp, 88% (44 requests) were made to Thermofisher.com and 4% (2 requests) were made to Consent.trustarc.com. The less responsive or slowest element that took the longest time to load (376 ms) relates to the external source Thermofisher.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 541.5 kB (53%)

Content Size

1.0 MB

After Optimization

483.7 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Fei.co.jp main page is 1.0 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. 40% of websites need less resources to load. HTML takes 518.7 kB which makes up the majority of the site volume.

HTML Optimization

-86%

Potential reduce by 446.5 kB

  • Original 518.7 kB
  • After minification 509.8 kB
  • After compression 72.2 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 446.5 kB or 86% of the original size.

Image Optimization

-0%

Potential reduce by 41 B

  • Original 219.9 kB
  • After minification 219.8 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. Fei images are well optimized though.

JavaScript Optimization

-33%

Potential reduce by 92.9 kB

  • Original 283.5 kB
  • After minification 283.5 kB
  • After compression 190.7 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 92.9 kB or 33% of the original size.

CSS Optimization

-67%

Potential reduce by 2.1 kB

  • Original 3.1 kB
  • After minification 2.4 kB
  • After compression 1.0 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. Fei.co.jp needs all CSS files to be minified and compressed as it can save up to 2.1 kB or 67% of the original size.

Requests Breakdown

Number of requests can be reduced by 24 (55%)

Requests Now

44

After Optimization

20

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 44 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Fei. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 20 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

fei.co.jp

fei.co.jp

113 ms

electron-microscopy.html

electron-microscopy.html

63 ms

electron-microscopy.html

electron-microscopy.html

223 ms

launch-f46125d37e44.min.js

launch-f46125d37e44.min.js

21 ms

preload

preload

328 ms

utilities.min.032739d36625d0.js

utilities.min.032739d36625d0.js

29 ms

signals.min.js

signals.min.js

99 ms

searchbar.min.js

searchbar.min.js

26 ms

base-jquery.min.70675f7207efdfc6a0c2e9d0bbd3040d.js

base-jquery.min.70675f7207efdfc6a0c2e9d0bbd3040d.js

69 ms

global-variables.js

global-variables.js

28 ms

base.min.abf1bcea31f18619d92c6a192107d0de.css

base.min.abf1bcea31f18619d92c6a192107d0de.css

39 ms

base-responsive.min.0133511a50b3fec5c5dcfdaaf87ed279.css

base-responsive.min.0133511a50b3fec5c5dcfdaaf87ed279.css

37 ms

base-addons.min.3b6dd4e5f4734fac5549772c44ff53fc.css

base-addons.min.3b6dd4e5f4734fac5549772c44ff53fc.css

45 ms

shared.min.f3691feba184d2c914fdd5230e56ad3a.css

shared.min.f3691feba184d2c914fdd5230e56ad3a.css

278 ms

cq-base.min.055bee0ed0f4451cbc343cdf0a651931.css

cq-base.min.055bee0ed0f4451cbc343cdf0a651931.css

53 ms

cq-shared.min.f2c42a120b9408864fb0ab6ffa75a542.js

cq-shared.min.f2c42a120b9408864fb0ab6ffa75a542.js

64 ms

taqman-hr-meganav.jpg

taqman-hr-meganav.jpg

93 ms

popular2-175x115.gif

popular2-175x115.gif

142 ms

oligos-main-popular.jpg

oligos-main-popular.jpg

113 ms

popular4-175x115.jpg

popular4-175x115.jpg

93 ms

popular5-175x115.jpg

popular5-175x115.jpg

102 ms

em-hero-DRK.jpg

em-hero-DRK.jpg

149 ms

fonts.css

fonts.css

92 ms

em.css

em.css

109 ms

em-services-icon.png

em-services-icon.png

123 ms

em-support-resources-icon.png

em-support-resources-icon.png

188 ms

base-bootstrap.min.1e969fe599fc05560b045895a2ba0bf2.js

base-bootstrap.min.1e969fe599fc05560b045895a2ba0bf2.js

126 ms

base-addons.min.74bf5ac4cb20c8f128d3e75c956009f8.js

base-addons.min.74bf5ac4cb20c8f128d3e75c956009f8.js

126 ms

cq-base.min.f45fd8bb3f5562c8fa5419cae7493e25.js

cq-base.min.f45fd8bb3f5562c8fa5419cae7493e25.js

141 ms

global-functions.js

global-functions.js

140 ms

user-type

user-type

194 ms

us.gif

us.gif

55 ms

footer-base.min.032739d36625d0.js

footer-base.min.032739d36625d0.js

51 ms

minicart.js

minicart.js

68 ms

identityGlobal.min.js

identityGlobal.min.js

70 ms

offers.min.js

offers.min.js

99 ms

chat-launcher.js

chat-launcher.js

65 ms

s_code.min.4ca2bf22c417c66928c7fefb73ec1056.js

s_code.min.4ca2bf22c417c66928c7fefb73ec1056.js

98 ms

tGzo

tGzo

357 ms

token.json

token.json

156 ms

HelveticaNeueLTW01-45Light.woff

HelveticaNeueLTW01-45Light.woff

376 ms

HelveticaNeueLTW01-55Roman.woff

HelveticaNeueLTW01-55Roman.woff

242 ms

notice

notice

139 ms

1686235277912.jpg

1686235277912.jpg

241 ms

1686235277939.jpg

1686235277939.jpg

188 ms

1686235277965.jpg

1686235277965.jpg

364 ms

1686235278001.png

1686235278001.png

268 ms

1686235278053.jpg

1686235278053.jpg

216 ms

log

log

88 ms

v1.7-518

v1.7-518

16 ms

Accessibility Review

fei.co.jp accessibility score

74

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

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Best practices

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

fei.co.jp best practices score

75

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

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

fei.co.jp SEO score

74

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

High

Image elements do not have [alt] attributes

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 Fei.co.jp 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 Fei.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

fei.co.jp

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