Report Summary

  • 40

    Performance

    Renders faster than
    60% of other websites

  • 73

    Accessibility

    Visual factors better than
    that of 39% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 69

    SEO

    Google-friendlier than
    28% of websites

saitama-sgw.jp

さいたま市地球温暖化対策地域協議会

Page Load Speed

4.8 sec in total

First Response

1.1 sec

Resources Loaded

3.2 sec

Page Rendered

441 ms

saitama-sgw.jp screenshot

About Website

Click here to check amazing Saitama Sgw content. Otherwise, check out these important facts you probably never knew about saitama-sgw.jp

『さいたま市地球温暖化対策地域協議会』は、「さいたま市地球温暖化対策地域推進計画」に基づき、市民、事業者及び市等の協働の下に、さいたま市域の温室効果ガス排出の抑制等に関し必要となるべき措置について協議し、具体的に対策を実践することにより、地域における地球温暖化対策の推進を図ることを目的としています。

Visit saitama-sgw.jp

Key Findings

We analyzed Saitama-sgw.jp page load time and found that the first response time was 1.1 sec and then it took 3.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.

Performance Metrics

saitama-sgw.jp performance score

40

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.4 s

16/100

10%

LCP (Largest Contentful Paint)

Value8.4 s

2/100

25%

SI (Speed Index)

Value7.0 s

32/100

10%

TBT (Total Blocking Time)

Value160 ms

94/100

30%

CLS (Cumulative Layout Shift)

Value0.526

14/100

15%

TTI (Time to Interactive)

Value7.5 s

48/100

10%

Network Requests Diagram

saitama-sgw.jp

1125 ms

jquery-1.3.2.min.js

670 ms

rollover.js

355 ms

common.js

360 ms

default.css

368 ms

Our browser made a total of 54 requests to load all elements on the main page. We found that 91% of them (49 requests) were addressed to the original Saitama-sgw.jp, 4% (2 requests) were made to Google.com and 4% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (1.1 sec) belongs to the original domain Saitama-sgw.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 63.9 kB (49%)

Content Size

129.4 kB

After Optimization

65.5 kB

In fact, the total size of Saitama-sgw.jp main page is 129.4 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. 20% of websites need less resources to load. Javascripts take 75.1 kB which makes up the majority of the site volume.

HTML Optimization

-67%

Potential reduce by 10.9 kB

  • Original 16.3 kB
  • After minification 15.6 kB
  • After compression 5.4 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 10.9 kB or 67% of the original size.

Image Optimization

-0%

Potential reduce by 15 B

  • Original 18.7 kB
  • After minification 18.7 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. Saitama Sgw images are well optimized though.

JavaScript Optimization

-51%

Potential reduce by 38.1 kB

  • Original 75.1 kB
  • After minification 74.9 kB
  • After compression 37.0 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 38.1 kB or 51% of the original size.

CSS Optimization

-77%

Potential reduce by 14.8 kB

  • Original 19.3 kB
  • After minification 13.2 kB
  • After compression 4.5 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. Saitama-sgw.jp needs all CSS files to be minified and compressed as it can save up to 14.8 kB or 77% of the original size.

Requests Breakdown

Number of requests can be reduced by 22 (42%)

Requests Now

52

After Optimization

30

The browser has sent 52 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Saitama Sgw. 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 from 10 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

saitama-sgw.jp accessibility score

73

Accessibility Issues

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

saitama-sgw.jp 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

SEO Factors

saitama-sgw.jp SEO score

69

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

Language and Encoding

  • Language Detected

    JA

  • Language Claimed

    N/A

  • Encoding

    EUC-JP

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Saitama-sgw.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 Saitama-sgw.jp main page’s claimed encoding is euc-jp. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

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