Report Summary

  • 17

    Performance

    Renders faster than
    32% of other websites

  • 69

    Accessibility

    Visual factors better than
    that of 35% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 72

    SEO

    Google-friendlier than
    31% of websites

399.com.tw

宜蘭美食網

Page Load Speed

9.9 sec in total

First Response

492 ms

Resources Loaded

8.4 sec

Page Rendered

957 ms

399.com.tw screenshot

About Website

Click here to check amazing 399 content for Taiwan. Otherwise, check out these important facts you probably never knew about 399.com.tw

宜蘭美食網,宜蘭美食推薦,給您最豐富的宜蘭美食選擇,羅東夜市,宜蘭旅遊景點,特色餐廳民宿,礁溪溫泉,太平山民宿。

Visit 399.com.tw

Key Findings

We analyzed 399.com.tw page load time and found that the first response time was 492 ms and then it took 9.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 85% of websites can load faster.

Performance Metrics

399.com.tw performance score

17

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.7 s

30/100

10%

LCP (Largest Contentful Paint)

Value25.6 s

0/100

25%

SI (Speed Index)

Value9.0 s

14/100

10%

TBT (Total Blocking Time)

Value940 ms

29/100

30%

CLS (Cumulative Layout Shift)

Value0.607

10/100

15%

TTI (Time to Interactive)

Value10.3 s

25/100

10%

Network Requests Diagram

399.com.tw

492 ms

bootstrap.min.css

383 ms

font-awesome.min.css

376 ms

animate.min.css

379 ms

main.min.css

393 ms

Our browser made a total of 116 requests to load all elements on the main page. We found that 99% of them (115 requests) were addressed to the original 399.com.tw, 1% (1 request) were made to Fonts.googleapis.com. The less responsive or slowest element that took the longest time to load (5.2 sec) belongs to the original domain 399.com.tw.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.0 MB (11%)

Content Size

9.1 MB

After Optimization

8.0 MB

In fact, the total size of 399.com.tw main page is 9.1 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. 60% of websites need less resources to load. Images take 8.2 MB which makes up the majority of the site volume.

HTML Optimization

-88%

Potential reduce by 63.4 kB

  • Original 72.5 kB
  • After minification 46.6 kB
  • After compression 9.0 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 25.8 kB, which is 36% 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 63.4 kB or 88% of the original size.

Image Optimization

-5%

Potential reduce by 404.3 kB

  • Original 8.2 MB
  • After minification 7.8 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. 399 images are well optimized though.

JavaScript Optimization

-66%

Potential reduce by 351.6 kB

  • Original 533.7 kB
  • After minification 532.0 kB
  • After compression 182.1 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 351.6 kB or 66% of the original size.

CSS Optimization

-83%

Potential reduce by 200.4 kB

  • Original 240.8 kB
  • After minification 239.2 kB
  • After compression 40.4 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. 399.com.tw needs all CSS files to be minified and compressed as it can save up to 200.4 kB or 83% of the original size.

Requests Breakdown

Number of requests can be reduced by 39 (35%)

Requests Now

113

After Optimization

74

The browser has sent 113 CSS, Javascripts, AJAX and image requests in order to completely render the main page of 399. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 28 to 1 for JavaScripts and from 13 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

399.com.tw accessibility score

69

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

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a [lang] attribute

Best Practices

399.com.tw 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

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

399.com.tw SEO score

72

Search Engine Optimization Advices

Crawling and Indexing

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

Impact

Issue

High

Links are not crawlable

Content Best Practices

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

Impact

Issue

High

Image elements do not have [alt] attributes

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

    ZH

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise 399.com.tw can be misinterpreted by Google and other search engines. Our service has detected that Chinese 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 399.com.tw 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 399. 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: