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Questions tagged [gtmetrix]

GTmetrix was developed by Carbon60 as a tool for customers to easily test the performance of their webpages.

GTmetrix was developed by Carbon60 as a tool for customers to easily test the performance of their webpages. Questions relating to the GTmetrix tool.

113 questions
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How to prevent YouTube js calls from slowing down page load

I am using https://gtmetrix.com to diagnose issues with my page speed. The page in question has one embedded YouTube video and GTMetrix is saying that this video's JS calls are slowing down page load speed. This is the call being made:
Genadinik
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CSS Font-display:swap blocking

I'm trying to optimize my website download speed by preventing Google font downloads from blocking the rest of the page from loading. Maybe I've misunderstood the font-display:swap feature of CSS, as I thought this was supposed to allow the font to…
Trebor
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Are "data URLs" a good way to improve favicon loading speeds?

While working in my own website, I'm facing a delay loading time (based on waterflow) for my site's favicon. I tried lots of way to reduce to waterflow delay but failed to manage it. After spending over 3 hours, I've figure out this solution which…
Magnetic WP
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Why does a small favicon take 10 times as long to load?

I am using GTMetrix to analyze our website. I find a strange thing. It takes 221 ms to load the 1.32k favicon.png. But takes only 26ms to load 1.61k logo.png, see below: Why favicon.png needs so long to load? I test for many times, and favicon.png…
alancc
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How to remove Cloudflare’s javascripts slowing my site?

I have a WordPress site at http://biblicomentarios.com, and I use Cloudflare. No matter what I do, I can’t remove two javascript that comes from Cloudflare. I use GTMetrix, and I see them in the waterfall tab blocking my site. Those are…
JPMarichal
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Find the reason of long gap in performance waterfall?

In this report https://gtmetrix.com/reports/www.datanumen.com/tFIOxtvx/, there are long gap between the requests, as below: In https://gtmetrix.com/blog/how-to-analyze-a-waterfall-chart/#long-empty-gaps and Gaps in FireBug waterfall chart, it is…
alancc
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Time gap between .favicon and all all other requests?

We're seeing a consistent pattern across speed tests on GT Metrix for a site where there is a 150-250ms gap between all resources loading and then the favicon request initializing. This is extending the fully loaded time. Any ideas why this might…
slawrence10
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How to maintain good PageSpeed Rank with external services

So I'm grappling with brutal ranking degradation due to external services used in client sites. I've pretty much done everything I feel I have control over, including resolving render-blocking problems. But one thing that runs like a red thread…
jschreck
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Using GTmetrix REST API v2.0 in R

I am trying to integrate the performance testing of certain websites using GTmetrix. With the API, I am able to run the test and pull the results using the SEO connector tool in Microsoft Excel. However, it uses the xml with older version of API,…
Mohanasundaram
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Firebase hosting

When testing the speed of our site hosted on Firebase hosting, we're seeing this recommendation from GTmetrix: IMPACT AUDIT High Enable Keep-Alive 1 request found. Enabling HTTP Keep-Alive or HTTP persistent connections allow the…
Vlad
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The following resources have identical contents, but are served from different URLs. Serve these resources from a consistent URL to save 1 request(s)

I'm having an error I'm trying to fix but don't know how to: The following resources have identical contents, but are served from different URLs. Serve these resources from a consistent URL to save 1 request(s) and…
user11947693
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2 answers

can't get data from await/async function

I'm trying out the gtmetriks api with nodejs. i've an index.js file where i handle incoming requests, then i've a gtmetriks.js file to make requests to the api. The problem is that i don't know how to configure it to get the data in index.js only…
Mendi Sterenfeld
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Expiring Headers not detected by Speed Check Services

I've set this expiring headers rules ############################################ ## Add default Expires header ## http://developer.yahoo.com/performance/rules.html#expires # Enable expirations ExpiresActive On # Default…
BigBlack
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How to combine images using CSS sprites

After Testing my wordpress website speed using GTmetrix, I got the following recommendations over YSlow: *Combine images using CSS sprites The following images served from wamakity.com should be combined into as few images as possible using CSS…
Drickuss Merguez
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How to Add Expires headers in Amazon CloudFront for GTmetrix?

Okay guys, so what I do already.I have a website (http://walshdidthat.com/) that hosted on Godaddy + using an Amazon ClounFront for static files. I'm testing the website here - https://gtmetrix.com/reports/walshdidthat.com/OPVOSdVg In the Yslow…
Great Serg
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