Report Summary

  • 68

    Performance

    Renders faster than
    80% of other websites

  • 94

    Accessibility

    Visual factors better than
    that of 83% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    20% of websites

  • 98

    SEO

    Google-friendlier than
    92% of websites

forum.mflenses.com

Manual Focus Lenses M42 Exakta Carl Zeiss Jena lenses and film cameras

Page Load Speed

1.7 sec in total

First Response

196 ms

Resources Loaded

1.3 sec

Page Rendered

216 ms

forum.mflenses.com screenshot

About Website

Visit forum.mflenses.com now to see the best up-to-date Forum Mf Lenses content for United States and also check out these interesting facts you probably never knew about forum.mflenses.com

Manual Focus Lenses, M42,Canon, Nikon, Minolta, Carl Zeiss, Leica, Leitz, Sony NEX-7,Konica, Tamron,Russian lenses, French lenses

Visit forum.mflenses.com

Key Findings

We analyzed Forum.mflenses.com page load time and found that the first response time was 196 ms and then it took 1.5 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 30% of websites can load faster.

Performance Metrics

forum.mflenses.com performance score

68

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.1 s

82/100

10%

LCP (Largest Contentful Paint)

Value4.1 s

46/100

25%

SI (Speed Index)

Value2.5 s

98/100

10%

TBT (Total Blocking Time)

Value470 ms

61/100

30%

CLS (Cumulative Layout Shift)

Value0.089

92/100

15%

TTI (Time to Interactive)

Value5.9 s

66/100

10%

Network Requests Diagram

forum.mflenses.com

196 ms

forum.mflenses.com

474 ms

bootstrap.min.css

101 ms

style.css

243 ms

mflenses.css

339 ms

Our browser made a total of 30 requests to load all elements on the main page. We found that 73% of them (22 requests) were addressed to the original Forum.mflenses.com, 7% (2 requests) were made to Pagead2.googlesyndication.com and 7% (2 requests) were made to Paypalobjects.com. The less responsive or slowest element that took the longest time to load (474 ms) belongs to the original domain Forum.mflenses.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 59.3 kB (15%)

Content Size

389.5 kB

After Optimization

330.2 kB

In fact, the total size of Forum.mflenses.com main page is 389.5 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. 15% of websites need less resources to load. Javascripts take 265.9 kB which makes up the majority of the site volume.

HTML Optimization

-86%

Potential reduce by 53.7 kB

  • Original 62.8 kB
  • After minification 54.5 kB
  • After compression 9.1 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 8.3 kB, which is 13% 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 53.7 kB or 86% of the original size.

Image Optimization

-11%

Potential reduce by 3.9 kB

  • Original 35.7 kB
  • After minification 31.8 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. Obviously, Forum Mf Lenses needs image optimization as it can save up to 3.9 kB or 11% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-0%

Potential reduce by 31 B

  • Original 265.9 kB
  • After minification 265.9 kB
  • After compression 265.9 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

-7%

Potential reduce by 1.7 kB

  • Original 25.1 kB
  • After minification 25.1 kB
  • After compression 23.4 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. Forum.mflenses.com has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 16 (57%)

Requests Now

28

After Optimization

12

The browser has sent 28 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Forum Mf Lenses. 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.

Accessibility Review

forum.mflenses.com accessibility score

94

Accessibility Issues

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

forum.mflenses.com best practices score

58

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

High

Page has valid source maps

SEO Factors

forum.mflenses.com SEO score

98

Search Engine Optimization Advices

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

    EN

  • Language Claimed

    N/A

  • Encoding

    UTF-8

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