Access altera.co.jp. インテル®FPGA およびプログラマブル・デバイス

name

value

score

weighting

FCP (First Contentful Paint)

Value4.9 s

10/100

10%

LCP (Largest Contentful Paint)

Value22.7 s

0/100

25%

SI (Speed Index)

Value26.6 s

0/100

10%

TBT (Total Blocking Time)

Value53,530 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.085

93/100

15%

TTI (Time to Interactive)

Value65.0 s

0/100

10%

altera.co.jp

190 ms

www.altera.co.jp

806 ms

jquery-ui.min.css

26 ms

desktop.min.css

91 ms

jquery.min.js

29 ms

Our browser made a total of 128 requests to load all elements on the main page. We found that 89% of them (114 requests) were addressed to the original Altera.co.jp, 5% (6 requests) were made to Google.com and 2% (2 requests) were made to Ssl.google-analytics.com. The less responsive or slowest element that took the longest time to load (806 ms) belongs to the original domain Altera.co.jp.

Content Size

1.8 MB

After Optimization

943.5 kB

In fact, the total size of Altera.co.jp main page is 1.8 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. Javascripts take 685.1 kB which makes up the majority of the site volume.

HTML Optimization

-75%

Potential reduce by 128.2 kB

Original 171.4 kB
After minification 162.5 kB
After compression 43.1 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 128.2 kB or 75% of the original size.

Image Optimization

-12%

Potential reduce by 74.6 kB

Original 636.4 kB
After minification 561.8 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. Obviously, Altera needs image optimization as it can save up to 74.6 kB or 12% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-70%

Potential reduce by 479.3 kB

Original 685.1 kB
After minification 678.0 kB
After compression 205.8 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 479.3 kB or 70% of the original size.

CSS Optimization

-57%

Potential reduce by 173.8 kB

Original 306.5 kB
After minification 304.3 kB
After compression 132.7 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. Altera.co.jp needs all CSS files to be minified and compressed as it can save up to 173.8 kB or 57% of the original size.

Requests Now

125

After Optimization

The browser has sent 125 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Altera. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 19 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Accessibility Issues

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.

High

[aria-*] attributes do not match their roles

High

ARIA IDs are not unique

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.

High

Buttons do not have an accessible name

High

Image elements do not have [alt] attributes

These are opportunities to improve the legibility of your content.

High

Background and foreground colors do not have a sufficient contrast ratio.

These are opportunities to improve keyboard navigation in your application.

High

[id] attributes on active, focusable elements are not unique

High

Heading elements are not in a sequentially-descending order

Areas of Improvement

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Missing source maps for large first-party JavaScript

Search Engine Optimization Advices

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

High

Links are not crawlable

Format your HTML in a way that enables crawlers to better understand your app’s content.

High

Image elements do not have [alt] attributes

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/).

High

Document uses legible font sizes

High

Tap targets are not sized appropriately

Language and Encoding

Language Detected

JA
Language Claimed

N/A
Encoding

UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Altera.co.jp can be misinterpreted by Google and other search engines. Our service has detected that Japanese is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Altera.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

altera.co.jp

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

Report Summary

Performance

Accessibility

Best Practices

SEO

インテル®FPGA およびプログラマブル・デバイス - インテル® FPGA

Page Load Speed

First Response

Resources Loaded

Page Rendered

About Website

Key Findings

Performance Metrics

Measured Metrics

FCP (First Contentful Paint)

LCP (Largest Contentful Paint)

SI (Speed Index)

TBT (Total Blocking Time)

CLS (Cumulative Layout Shift)

TTI (Time to Interactive)

Network Requests Diagram

altera.co.jp

www.altera.co.jp

jquery-ui.min.css

desktop.min.css

jquery.min.js

Page Optimization Overview & Recommendations

Content Size

After Optimization

HTML Optimization

Image Optimization

JavaScript Optimization

CSS Optimization

Requests Breakdown

Requests Now

After Optimization

Network Requests Diagram

altera.co.jp

www.altera.co.jp

jquery-ui.min.css

desktop.min.css

jquery.min.js

utils.min.js

granite.min.js

jquery.min.js

jquery-ui.min.js

jquery-ui.min.js

desktop.min.js

home.min.css

browsermap.min.js

jsapi

home.min.js

google_analytics.js

RonWilson.jpg

AlteraLogo.png

icon-fpga.svg

icon-cplds.svg

icon-fpga_socs.svg

icon-configuration.svg

icon-power.svg

icon-ip.svg

icon-board_kits.svg

icon-design_software.svg

icon-design_tools.svg

icon-product_finder.svg

icon-industry_solutions.svg

icon-technology.svg

icon-partners.svg

icon-system_design_journal.svg

icon-design_solution.svg

icon-support_resources.svg

icon-download.svg

icon-documentation.svg

icon-training.svg

icon-quality_reliability.svg

icon-my_support.svg

icon-company.svg

icon-corportate_responsility.svg

icon-working.svg

icon-investor_relations.svg