Report Summary

  • 79

    Performance

    Renders faster than
    85% of other websites

  • 82

    Accessibility

    Visual factors better than
    that of 52% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    20% of websites

  • 69

    SEO

    Google-friendlier than
    28% of websites

lifenavi.info

花粉症 予防や対策、花粉症 らくらく生活大作戦

Page Load Speed

21.7 sec in total

First Response

430 ms

Resources Loaded

21 sec

Page Rendered

226 ms

lifenavi.info screenshot

About Website

Welcome to lifenavi.info homepage info - get ready to check Lifenavi best content right away, or after learning these important things about lifenavi.info

花粉症のつらい体験を基に、お薦めの花粉症予防や対策、花粉症関連の本を読んだ感想やグッズ利用した体験談などを掲載した花粉症に関する情報サイトです。

Visit lifenavi.info

Key Findings

We analyzed Lifenavi.info page load time and found that the first response time was 430 ms and then it took 21.2 sec to load all DOM resources and completely render a web page. This is a poor result, as 95% of websites can load faster. Unfortunately, there was 1 request timeout, which can generally increase the web page load time, as the browser stays idle while waiting for website response.

Performance Metrics

lifenavi.info performance score

79

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.3 s

75/100

10%

LCP (Largest Contentful Paint)

Value2.8 s

84/100

25%

SI (Speed Index)

Value3.9 s

82/100

10%

TBT (Total Blocking Time)

Value350 ms

73/100

30%

CLS (Cumulative Layout Shift)

Value0.002

100/100

15%

TTI (Time to Interactive)

Value7.1 s

51/100

10%

Network Requests Diagram

lifenavi.info

430 ms

www.lifenavi.info

418 ms

style-m.css

186 ms

count.fcg

358 ms

show_ads.js

69 ms

Our browser made a total of 39 requests to load all elements on the main page. We found that 67% of them (26 requests) were addressed to the original Lifenavi.info, 8% (3 requests) were made to Pagead2.googlesyndication.com and 8% (3 requests) were made to J1.ax.xrea.com. The less responsive or slowest element that took the longest time to load (19.8 sec) relates to the external source Wj.ax.xrea.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 19.0 kB (6%)

Content Size

301.4 kB

After Optimization

282.4 kB

In fact, the total size of Lifenavi.info main page is 301.4 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. 30% of websites need less resources to load. Javascripts take 276.7 kB which makes up the majority of the site volume.

HTML Optimization

-64%

Potential reduce by 15.0 kB

  • Original 23.5 kB
  • After minification 23.5 kB
  • After compression 8.5 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. 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 15.0 kB or 64% of the original size.

JavaScript Optimization

-1%

Potential reduce by 3.9 kB

  • Original 276.7 kB
  • After minification 276.6 kB
  • After compression 272.7 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. This website has mostly compressed JavaScripts.

CSS Optimization

-8%

Potential reduce by 96 B

  • Original 1.3 kB
  • After minification 1.3 kB
  • After compression 1.2 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. Lifenavi.info has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 13 (37%)

Requests Now

35

After Optimization

22

The browser has sent 35 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Lifenavi. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 5 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

lifenavi.info accessibility score

82

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.

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

lifenavi.info best practices score

58

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

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

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

lifenavi.info SEO score

69

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

Image elements do not have [alt] attributes

Language and Encoding

  • Language Detected

    JA

  • Language Claimed

    JA

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Lifenavi.info can be misinterpreted by Google and other search engines. Our service has detected that Japanese is used on the page, and it matches the claimed language. Our system also found out that Lifenavi.info 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 Lifenavi. 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: