Report Summary

  • 70

    Performance

    Renders faster than
    82% of other websites

  • 89

    Accessibility

    Visual factors better than
    that of 73% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    57% of websites

  • 82

    SEO

    Google-friendlier than
    44% of websites

sewerhistory.org

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Page Load Speed

3.6 sec in total

First Response

852 ms

Resources Loaded

2.5 sec

Page Rendered

230 ms

sewerhistory.org screenshot

About Website

Welcome to sewerhistory.org homepage info - get ready to check Sewerhistory best content for Indonesia right away, or after learning these important things about sewerhistory.org

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Key Findings

We analyzed Sewerhistory.org page load time and found that the first response time was 852 ms and then it took 2.8 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 45% of websites can load faster.

Performance Metrics

sewerhistory.org performance score

70

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.9 s

55/100

10%

LCP (Largest Contentful Paint)

Value6.8 s

7/100

25%

SI (Speed Index)

Value2.9 s

95/100

10%

TBT (Total Blocking Time)

Value80 ms

99/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value3.8 s

90/100

10%

Network Requests Diagram

sewerhistory.org

852 ms

www.sewerhistory.org

847 ms

wp-emoji-release.min.js

59 ms

style.css

54 ms

jquery.fancybox-1.3.4.css

54 ms

Our browser made a total of 33 requests to load all elements on the main page. We found that 91% of them (30 requests) were addressed to the original Sewerhistory.org, 3% (1 request) were made to Fonts.googleapis.com and 3% (1 request) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (852 ms) belongs to the original domain Sewerhistory.org.

Page Optimization Overview & Recommendations

Page size can be reduced by 456.0 kB (43%)

Content Size

1.0 MB

After Optimization

593.5 kB

In fact, the total size of Sewerhistory.org 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. 35% of websites need less resources to load. Images take 411.2 kB which makes up the majority of the site volume.

HTML Optimization

-77%

Potential reduce by 23.4 kB

  • Original 30.5 kB
  • After minification 28.8 kB
  • After compression 7.0 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. 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 23.4 kB or 77% of the original size.

Image Optimization

-1%

Potential reduce by 2.8 kB

  • Original 411.2 kB
  • After minification 408.3 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. Sewerhistory images are well optimized though.

JavaScript Optimization

-65%

Potential reduce by 261.6 kB

  • Original 403.0 kB
  • After minification 394.6 kB
  • After compression 141.4 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 261.6 kB or 65% of the original size.

CSS Optimization

-82%

Potential reduce by 168.2 kB

  • Original 204.9 kB
  • After minification 201.3 kB
  • After compression 36.8 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. Sewerhistory.org needs all CSS files to be minified and compressed as it can save up to 168.2 kB or 82% of the original size.

Requests Breakdown

Number of requests can be reduced by 15 (50%)

Requests Now

30

After Optimization

15

The browser has sent 30 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Sewerhistory. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 11 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

sewerhistory.org accessibility score

89

Accessibility Issues

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-hidden="true"] elements contain focusable descendents

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

Best Practices

sewerhistory.org best practices score

83

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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

sewerhistory.org SEO score

82

Search Engine Optimization Advices

Crawling and Indexing

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

Impact

Issue

High

robots.txt is not valid

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

    ID

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Sewerhistory.org can be misinterpreted by Google and other search engines. Our service has detected that is used on the page, and it does not match the claimed English language. Our system also found out that Sewerhistory.org 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 Sewerhistory. 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: