Tools & Wizards About Us

Report Summary

  • 51

    Performance

    Renders faster than
    69% of other websites

  • 97

    Accessibility

    Visual factors better than
    that of 91% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 64

    SEO

    Google-friendlier than
    24% of websites

semperfli.net

Semperfli fly tying materials manufacturer - semperfli.net

Page Load Speed

2.3 sec in total

First Response

477 ms

Resources Loaded

1.6 sec

Page Rendered

183 ms

About Website

Welcome to semperfli.net homepage info - get ready to check Semperfli best content for Japan right away, or after learning these important things about semperfli.net

World wide manufacturer of threads, chenille, wire and fly tying materials. Available from good dealers & distributors

Visit semperfli.net

Key Findings

We analyzed Semperfli.net page load time and found that the first response time was 477 ms and then it took 1.8 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 35% of websites can load faster.

Performance Metrics

semperfli.net performance score

51

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.9 s

52/100

10%

LCP (Largest Contentful Paint)

Value5.6 s

17/100

25%

SI (Speed Index)

Value4.4 s

74/100

10%

TBT (Total Blocking Time)

Value240 ms

85/100

30%

CLS (Cumulative Layout Shift)

Value0.687

7/100

15%

TTI (Time to Interactive)

Value5.2 s

74/100

10%

Network Requests Diagram

www.semperfli.net

477 ms

95de843cb4d0bd771c9a10a93b10c8da.2022qapublic.css.php

322 ms

dae9357400e049f839d1e3b20333f334.jquery.js.php

348 ms

b9486148fab0f4b573fdbb9a8e7de1b2.jqueryui.js.php

400 ms

8fc81908471e55403a07f47ccc83c853.2022qapublic.c3.functions.js.php

320 ms

Our browser made a total of 13 requests to load all elements on the main page. We found that 92% of them (12 requests) were addressed to the original Semperfli.net, 8% (1 request) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (477 ms) belongs to the original domain Semperfli.net.

Page Optimization Overview & Recommendations

Page size can be reduced by 28.7 kB (7%)

Content Size

439.9 kB

After Optimization

411.2 kB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Semperfli.net main page is 439.9 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. Images take 326.6 kB which makes up the majority of the site volume.

HTML Optimization

-70%

Potential reduce by 12.0 kB

  • Original 17.0 kB
  • After minification 17.0 kB
  • After compression 5.0 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 12.0 kB or 70% of the original size.

Image Optimization

-2%

Potential reduce by 6.2 kB

  • Original 326.6 kB
  • After minification 320.3 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. Semperfli images are well optimized though.

JavaScript Optimization

-11%

Potential reduce by 10.5 kB

  • Original 96.3 kB
  • After minification 96.3 kB
  • After compression 85.8 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 10.5 kB or 11% of the original size.

Requests Breakdown

Number of requests can be reduced by 3 (33%)

Requests Now

9

After Optimization

6

  • Images
  • JavaScript
  • CSS

The browser has sent 9 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Semperfli. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 4 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

semperfli.net accessibility score

97

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.

Best Practices

semperfli.net 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

SEO Factors

semperfli.net SEO score

64

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

Links do not have descriptive text

Crawling and Indexing

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

Impact

Issue

High

Links are not crawlable

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    EN

  • Encoding

    ISO-8859-1

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Semperfli.net can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it matches the claimed language. Our system also found out that Semperfli.net main page’s claimed encoding is iso-8859-1. 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 Semperfli. 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: