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Ofttimes Asked Questions
Here are some common questions regarding site speed issues and GTmetrix usage.
General Site Speed FAQ
1. Why should I be concerned with my site's speed?
Your users' experience in terms of navigating your site should be a cracking reason. Users have many options when it comes to consuming content on the internet, and a slow performing website volition frustrate your users, sending them elsewhere. A faster and more than responsive website volition go along them more engaged and focused on your content, rather than waiting for scripts and images to load.
Some other reason is SEO. Google already uses page speed in their ranking algorithm, and programme to comprise Page Experience in their ranking algorithm as well, through the Web Vitals initiative.
This ways that faster loading sites with a good user feel may rank higher in search engine results. As developers and marketers look to optimize their sites, folio speed and page experience should exist among the top optimizations to consider.
2. My site loads pretty fast... why should I alter it?
It'due south all about efficiency and optimization. Your site may be loading fast, but it could be faster if yous take some of the best practices into consideration. Y'all might fifty-fifty be able to reduce bandwidth and hosting costs past minimizing your footprint.
Besides, your site may exist loading fast just a company may not perceive that to exist the case. You should understand how your site loads then that you lot can focus on providing a positive user experience.
3. At present that I accept my scores; What do I practice at present?
Start optimizing your site! GTmetrix provides explanations for each audit and gives you actionable communication. The audits in the report are ordered in terms of which ones have the highest impact on your site. Fixing items at the top of the list tin have a bigger impact on your overall score.
Make sure y'all fully sympathize the audits before yous begin though. While many of them are applicable to your site, some are not. The audits are meant to be generic best practices- you don't admittedly need to ready everything. Start by focusing on the Spider web Vitals.
Experience free to contact u.s.a. if y'all have whatever questions.
four. My server code is optimized. Is this enough?
It's a commencement - just the code that really needs to be optimized is the user facing code. Front-cease optimization (of CSS, JavaScript, images, HTML, etc) is what's going to make the virtually impact on your users. Ofttimes nosotros only concentrate on server side optimizations, making the code as efficient as possible there; but we forget that we can get an fifty-fifty bigger increase in functioning and ameliorate the page feel if we optimize the forepart-finish lawmaking every bit well.
5. I have a _______ type of site. Why is it asking me to do X?
The audits are non always relevant to your site (Eg. You do not need a CDN if you're running a small-scale website or weblog). This is why information technology'southward important to truly understand the audits and how they can affect your site. Not everything volition apply to your site.
Visit our audits page to acquire more about each inspect.
6. I don't have control over 10, why is information technology asking me to fix it?
Almost sites include lawmaking for services like ads, analytics or other widgets. These bits of code may fetch JavaScript or CSS from other sources. Of grade, since you accept no control over these resource, at that place's nothing you can (or demand to) practice.
seven. Do I have to fix everything?
No, not at all! Start with the audits that appear in your Summary Tab. Then move onto your Construction Tab, where all the audits are ordered past what has the most touch on on your score.
Realize that 100% is not realistic, and a green score by and large means your site performance is optimized. Remember that these tools are meant to be used for a broad variety of site types, then some audits may not utilise to your site.
8. How much of an bear upon will doing this take on my search engine ranking?
In general, there volition be an touch; however, in that location is no definitive answer on how much. Google had fabricated page speed a ranking factor for websites in 2010, for mobile sites in 2018, and will marker pages as "Fast page", potentially ranking them higher in search results.
In general, Google is gearing toward a more responsive web to brand it "more delightful" for users across all web browsers and surfaces.
Despite this, Google has fabricated it clear that even though site speed and page experience are important, they will continue to prioritize pages with the best information overall.
Therefore, don't do it for SEO, exercise information technology for your users!
nine. Why did my scores/performance change when I changed screen resolution?
You likely have a responsive website design. When the screen resolution changes to a larger or smaller size, the layout and styling of the folio also changes. Depending on your styling, your page could potentially exist delivering larger/smaller images and hiding/revealing assets or resources. All of this impacts the load functioning of your page.
In addition, As of October 12, 2017, GTmetrix now defaults to a screen resolution of 1366x768 for tests. You can read more about the change hither.
GTmetrix FAQ
one. Why won't GTmetrix analyze my URL?
Check to see if your URL is in the proper format (eg. http://www.example.com). Another reason may exist that the URL you entered requires you to exist logged in showtime, and/or it is being redirected to another URL.
Some URLs might not work for any number of reasons. Here are some errors that might prevent your URL from beingness analyzed:
- Invalid URL
- Didn't return a 200/300 status response
- Didn't render an html page
- Internal Server Mistake
- Unable to get screen capture
- Timed out
- Didn't consummate due to pending request (prototype too large, unresponsive request, etc.)
If your URL won't analyze, read our Full general GTmetrix Errors blog article to acquire more than on why this may be the case.
2. Why would I want to monitor my URL and how can I practice it?
Monitoring your URL allows yous to keep rail of performance over time and see any changes when they occur. Combined with our monitored alerts, yous can know when your website is performing poorly right away, and have steps to correct it.
Once you've analyzed a URL, you'll make it at its written report page. Click on "Monitor" on the right hand side to open up the carte du jour where there's a dropdown that allows for unlike monitoring schedules. Choose your desired schedule and save your settings.
GTmetrix will now monitor the specified URL.
Read our How to set up Monitoring and Alerts blog article to learn more.
3. How many URLs can I monitor?
Basic/Costless users can but monitor i URL Daily, Weekly, or Monthly. Upgrading to GTmetrix PRO allows yous to monitor more than URLs down to an Hourly frequency.
4. My PageSpeed Insights scores are different from my GTmetrix scores; Why is that?
To reply this question, we demand to clarify the background of each tool in general.
PageSpeed Insights and web.dev are Google'south ain tools that use Lighthouse in their ain means. The key divergence is that PageSpeed Insights provides Chrome User Experience (CrUX) data - bodily user data collected from Chrome browsers around the earth to provide data on real user performance. Web.dev (and GTmetrix) are considered more lab/synthetic tests, where analysis is performed in controlled environments and scenarios.
With regards to results, at that place are various reasons why your Performance Score on either platform differs from GTmetrix. Read more most this here.
5. How long does GTmetrix proceed my reports for?
All report history and data volition be retained for a specified number of months depending on the programme you're on:
- Guest (non-logged in) users: 1 calendar week
- Basic: 3 months
- Solo, Starter, Growth: 6 months
- Champion, Team: 12 months
- Enterprise: 24 months
The retentivity time starts from the report generation engagement. Subsequently the fourth dimension has elapsed, reports volition exist purged from our database and are not recoverable.
6. Are there any privacy settings?
Yes - If yous don't want anybody to run across a particular report for your URL, click on "Page Settings" on the correct paw side. Under the "Privacy" heading you lot can cull whether or not to make the report private, or allow anybody to see information technology.
Keep in heed that though a private report is protected from public view, anybody can create a written report for any URL. If you can load the URL in your browser, you can clarify it in GTmetrix.
7. My graphs don't seem to exist changing. Why?
A skilful reason could exist that there haven't been major changes or optimizations done to that URL. GTmetrix tracks the performance of URLs, only unless whatsoever development or improvements accept been done, the graphs will keep a straight line.
Monitoring is skillful for developers who are doing ongoing testing or optimizations for their site and desire to track it over fourth dimension.
eight. What is the GTmetrix Bookmarklet and how do I use information technology?
Test with GTmetrix
The GTmetrix bookmarklet is a snippet of JavaScript tool that allows you to clarify the performance of the current page with a single click.
Read more on our blog entry.
Notation that regardless of the browser y'all visit GTmetrix with, GTmetrix always runs the tests with the Chrome browser.
9. How do I compare URLs?
After having generated a written report for a URL, click "Compare" in the peak correct. A menu will appear where you tin enter the URL you wish to compare with the report. Y'all will then be taken to the Compare screen with the comparison results.
If yous would like to compare more URLs, click the "Add another URL" push - you are able to add up to 4 different URLs.
Annotation: The written report from which you clicked "Compare" will be the base report. All additional reports volition exist compared confronting this study.
x. Tin can I compare an existing report with another study?
Yes! See instructions on how to compare GTmetrix Reports here.
12. I have a page that requires HTTP Authentication. Can GTmetrix analyze it?
Yeah! Log into your GTmetrix account and expand the "Analysis Options" drawer.
Click "Advanced Options" to reveal the HTTP Authentication fields.
Enter in your .htpasswd Username and Password and click "Clarify". GTmetrix will pass in the credentials and clarify the page.
Yous can besides enter the username and password using the http://username:password@example.com/ syntax, but usernames or passwords containing @, :, or / must be URI encoded.
The login details will not be displayed in the study (and will likewise be stripped from the HAR file), but volition be saved for futurity use - you lot volition exist able to re-analyze the page without entering the login details.
Note: this feature only works for HTTP Authenticated webpages (eg, pages protected using an .htpasswd file) - this is different from a cookie based session (see the side by side FAQ item for more than details).
15. How can I see the impact ads have on my site?
Log into your GTmetrix account and under the URL field there will exist an "Analysis Options" button.
Tick the "Adblock Plus" selection. Your URL will be scanned with the ads blocked. You lot tin as well enable this option in the "Folio Settings" button on the Report folio sidebar.
Blocking ads is helpful if you want to run into the touch the ads are having on your page load times.
Currently, GTmetrix merely offers the ability to enable and disable the usage of Adblock Plus. The Easylist English filter subscription is used as the default filter set.
For more information on testing with Adblock Plus, read our How to block ads in GTmetrix tests blog commodity.
16. How tin can I examination a site from a dissimilar location?
GTmetrix has numerous test servers located worldwide, which you are able to employ for testing your site'south performance. Y'all can specify which test server to utilize past selecting a test server in the "Analysis Options" button, on the dashboard page.
Read our Which location should I test from? weblog article to acquire more.
17. How can I test my mobile performance?
For PRO users, GTmetrix offers page analysis through an actual Android device (Galaxy Nexus) and a multitude of simulated devices. On your Dashboard, click "Analysis Options" and select one of the various mobile devices and tablets in the in the Examination Format dropdown. If yous wish to re-test from a Report folio, click on "Page Settings" and modify your Examination Format settings there. Re-test!
Read our How to test with mobile devices using GTmetrix weblog commodity to larn more.
xviii. What tin can connectedness throttling tell me?
By simulating a detail connexion speed, you can identify any potential loading bug for your target audiences. For example, if a large percentage of your users are coming through mobile devices, it would exist good to see how your site performs nether a 3G/2G connection to ensure a speedy load fourth dimension for that user base.
nineteen. How does GTmetrix throttle connections?
GTmetrix utilizes specially customized software to simulate any kind of connection. We exercise this by putting limits on our fibre connection'southward download speed, upload speed and latency. We throttle both IPv4 and IPv6 traffic when analyzing your folio to ensure that report data is accurate.
twenty. Why isn't my CDN being recognized?
GTmetrix automobile-detects well-known and popular CDNs. Since there are hundreds (if not thousands) of CDN services available, there are times when a CDN is not recognized by GTmetrix. In this example, we usually require the CDN provider to reach out to us for a CDN review so that we can add it to our motorcar-detection.
If GTmetrix isn't detecting your CDN, and so you can add your own CDN hostnames and so that they aren't penalized by the CDN inspect. Visit your Account page and then nether the User Settings, input your CDN hostnames in the "CDN Hostnames" field. GTmetrix should then recognize these domains as CDNs in all your future tests.
Notation that if you're using Cloudflare, GTmetrix should automatically observe the CDN usage if it's set up correctly and you've given it enough time for the DNS to propagate (typically takes up to two days).
21. How exercise I apply the Resources Usage Graph?
The Resource Usage Graph is meant to exist a companion to the Waterfall Chart. When used together, it can provide more insight on breaks in the Waterfall Nautical chart, long download times of elements and other potential problems.
It is not meant to be a stand up-alone metric, and at that place is no "score" related to it; rather it gives a view of what the browser is going through while loading your website.
22. What does the CPU Usage Graph mean?
This graph indicates the level of processing resources needed past the browser to render your folio at whatever given point. Websites with circuitous layouts, high interactivity, and demanding extensions (e.g. Flash) are more than demanding on a computer, resulting in a college CPU utilization. In addition, inefficiently written scripts (e.g. JavaScript) might cause stalls in folio loads. There might exist cases where the CPU utilization is pegged at 100%, meaning the browser is trying its best to process a script - and in doing and then, blocks other folio elements from being loaded or rendered (look for gaps in the Waterfall Chart).
23. What does the Retention Usage Graph mean?
Similar to the CPU usage graph, the memory usage graph shows the amount of retentivity required by your browser to render the page. It also tin can be used to get a heads up on inefficient or buggy lawmaking (e.thou. retentivity leaks) and tin give yous a starting point on where to look if your website is performing slowly.
24. What does the Bandwidth Usage Graph mean?
This graph shows yous how much data your site transfers when it is requested. Utilize it together with our throttling feature in order to better understand how your page loads on slower connection speeds, similar 3G connection or DSL connectedness. If your site maxes out bandwidth on desired connections types, y'all may see long bars in your Waterfall Chart.
25. Why can't I see my Resource Usage Graphs?
At that place are a number of reasons why the Resource Usage Graph may be unavailable to you:
- Information technology is an old GTmetrix report (generated before the release of Resource Usage Graphs).
- The browser option selected to test the URL doesn't generate Resource Usage data (e.g. Chrome - Android/mobile).
- The page loaded too quickly for any data to be collected (<100ms).
26. What is the departure between "duration" and "time"?
A "elapsing" is a period or how long something took (due east.1000. X processed for 3 seconds).
Durations: Redirect, Connect (including SSL Connection Time), Backend, DOM Content Loaded, Page Loaded
A "time" is the bespeak an event occurred in relation to the start of the test (e.g. 10 occurred at 2.1 seconds).
Times: Fourth dimension to first byte (TTFB), First Paint, DOM Interactive, DOM Content Loaded, Page Loaded, Fully Loaded
Annotation that Folio Loaded and DOM Content Loaded have both a time and duration. The duration is how long the JavaScript for that event ran for, while the time is when those events fired.
27. What is the difference between Onload Time and Fully Loaded Time?
-
Onload Time - is when the processing of the page is consummate and all the resources on the page (images, CSS, etc.) have finished downloading.
- This used to exist the point where GTmetrix would finish the test and mark every bit the Folio Load Time in the GTmetrix report.
- Issues with using this result: Some elements of the page load may not make it in before this event fires - like JavaScript based image carousels - causing inconsistent folio load times and inaccurate screenshots.
- When should I use Onload Time? In general, there's no existent definitive case to prefer Onload Time (which is why we defaulted to Fully Loaded Time), though certain specialized cases might telephone call for it.
-
Fully Loaded Time is the bespeak later all of the following accept occurred:
-
Get-go expect for these conditions to exist met:
- Starting time Contentful Pigment has fired
- Onload has fired
- Network is idle (5.25s of 2 or fewer in-flight requests after DOM Content Loaded has fired
-
Then wait for:
- CPU is idle (5.25s of no long tasks)
- Hard time out of 30s after Onload has fired
-
Finally, when the above conditions are met, nosotros then have the maximum timing of:
- First Paint
- Showtime Contentful Paint
- Onload Fourth dimension
- Largest Contentful Paint
- Fourth dimension to Interactive
- Last request captured
-
Essentially, GTmetrix is at present waiting until your page stops transferring information earlier completing a test, resulting in more consistent Page Load Times.
-
Possible issues with using this event:
- This result fires but when a page completely stops loading content, including ads and below-the-fold elements.
- Fully Loaded Fourth dimension waits for a page to finish executing JavaScript (measured from Commencement Contentful Paint (FCP) to the last long task; too known as Fourth dimension to Interactive).
Your site might accept loaded fast above-the-fold and be usable, however since the assay is now waiting for the entire site to stop loading data, your reported Page Load Fourth dimension might be longer.
-
28. How do I change the time to stop test?
Y'all tin can change your fourth dimension to stop test to Onload Time past enabling the "Stop exam onload" option in the Analysis Options (log in required) or changing the setting on an existing report in the Page Settings. Y'all tin can also modify your default in User Settings from the Account page.
Yet, we exercise recommend sticking with using Fully Loaded Time unless you lot accept a specific utilize case for information technology.
"Stop test onload" option is only available for Firefox and Chrome (Android) tests, which generate Legacy Reports (i.e., PageSpeed/YSlow).
29. When I compare my Simulate Device folio performance to the bodily device, why are they different?
Our Simulate Device characteristic works by telling our browser to identify itself as the selected device through the User Amanuensis cord. We then alter the Screen Resolution and set the appropriate Device Pixel Ratio for the device to lucifer also. We have combinations of these options for many of the pop devices used today.
Hardware performance is not false however. The operation differences likely stem from the fact that GTmetrix uses server-class hardware to launch a browser and load pages, which differs significantly from the bodily device'southward hardware performance (mobile CPUs, GPUs, memory, etc).
thirty. How authentic is the Simulate Device feature?
Simulate Device can give yous a great idea of whether or not your site adheres to mobile recommendations and may aid optimization with layouts dependent on User Amanuensis specific styling. Combined with Screen Resolution changes, you tin can really get a general sense of your page display and performance in terms of total folio size.
However, actual load time is less representative, due to the hardware caveat mentioned above, which is why you should still test your page on the bodily device in order to get existent world performance benchmarks. In addition, rendering engines on various devices may differ (e.g. if the user is using Firefox mobile as their principal browser), resulting in different real world performance.
Our False Device feature gives you a skillful starting benchmark to gauge your performance with on these devices, merely they should not be regarded as one:1 comparisons.
31. What happens to my study data later I downgrade?
Here's what will happen to monitored pages and their respective data:
- If you currently have more monitored pages than alloted for in your new plan, GTmetrix will disable monitoring on a number of them to align with your new Monitored Slot limit.
-
All report history and information volition be retained for a specified number of months depending on the plan you downgraded to:
- Basic: 3 months
- Solo, Starter, Growth: half dozen months
- Champion, Squad: 12 months
The retention fourth dimension starts from the report generation date. Afterwards the time has elapsed, reports will be purged from our database and are not recoverable.
As a courtesy, we delay the purging of your report data for 2 weeks subsequently y'all've downgraded so you can get things sorted.
GTmetrix Assay Errors
1. Network connectivity errors
There may be a connectivity result between your server and the GTmetrix test server if y'all become errors like "Read timeout", "Write failed", "Cleaved piping" or "Connection reset past peer".
You can try again later, or endeavour testing from another one of our examination locations (requires log in). If it fails from multiple locations, it usually means that it's a trouble on your stop and your users are experiencing similar issues. Contact your hosting provider to become the issue resolved.
ii. Server status errors
GTmetrix only analyzes pages that return a successful HTTP status code. If you get this mistake, your page has returned an fault HTTP status code.
The most common reasons for this include:
- Your web application generating the page is incorrectly returning an error HTTP status code, but is returning page content that does not indicate an error.
- Your web application is blocking GTmetrix from accessing the page. With WordPress, it could exist due to plugins like Bad Behaviour or Wordfence. With eastward-commerce software, it's mutual that the access is blocked based on the IP.
- Yous are using a reverse proxy (eg. CloudFlare) and it's blocking GTmetrix from accessing the page.
In all these cases, you'll need to prepare or configure your spider web application to return a successful HTTP status code or let GTmetrix access to your page. Your web server's error log may provide insight into why it'southward returning an error.
three. SSL certificate errors
GTmetrix merely analyzes HTTPS sites that accept a valid, trusted SSL certificate (ie. not self-signed, not-expired, matching common proper name).
A common problem with HTTPS sites is that the intermediate/chain certificates aren't installed correctly. If you lot don't take the intermediate certificates installed properly, some users (including GTmetrix) will get an SSL certificate error while viewing your page. For instructions on how to properly install your SSL document and to test your SSL certificate visit SSLShopper.
4. DNS errors
If GTmetrix has problems resolving your site's domain, then you may have DNS configuration issues. Yous can get a report on your DNS configuration at intoDNS - be certain to look into the items that are marked as red.
However, if your site has recently changed proper noun servers or changed its DNS configuration (eg. moved servers), then the issue might exist that your DNS records have been cached. Depending on your configuration, this may accept up to 24 hours (at nearly 48 hours) to propagate. Effort re-testing your page at a after time.
5. Your page took besides long to load
The maximum time GTmetrix will wait for a page to load (time information technology takes for the window.onload outcome to fire) is 2 minutes.
The almost common reasons for this fault are:
- An extremely slow loading folio or resources or lots of slow loading resources.
- JavaScript that's preventing the window.onload event from firing.
For tiresome loading pages or resources, testing from a closer test location (requires log in) may aid speed things upwardly.
6. The URL did not announced to be an HTML folio
GTmetrix just analyzes HTML pages. To ensure that your page is an HTML page, GTmetrix checks the Content-Type header for text/html.
You likewise may get this fault if the Content-Type header is missing or the value is empty. The problem is likely an event with the spider web application and not the web server.
vii. JavaScript redirect or meta refresh
Unfortunately, GTmetrix currently does not handle pages that perform meta refreshes or use JavaScript to redirect the page. All the same, you tin work around this issue by visiting the page in your own browser to find the final redirected URL - this is the URL to use with GTmetrix.
You also may erroneously get this message if your page opens a popup that evades the browser's popup blocker. Unfortunately, there is currently no fix for this other than to ensure that your page does non open the popup (the Cake URL selection may also assistance piece of work around this issue).
GTmetrix Payment & Billing
1. My credit card keeps getting declined, but it's worked for other purchases - Why?
There are many reasons why a transaction tin can exist declined (even with a valid credit card). Some mutual reasons include:
- Your credit card is failing online or international transactions (GTmetrix is located in Canada).
- Your credit card has reached its credit limit.
- The transaction triggered your credit card's anti-fraud system.
We realize it'southward a frustrating situation and apologize for any inconvenience. Read on for more details on declined transactions.
2. What can I do if my payment keeps getting declined?
Here are a few things you can practice:
- Re-enter your credit card number and security code.
- Contact your credit card company to add GTmetrix as an canonical and legitimate charge.
- Attempt a unlike credit card.
If your payment still keeps getting declined, contact us and we'll work with you lot towards some other solution.
3. I've been successfully subscribed with my bill of fare for a while, only now information technology'due south getting declined suddenly. Why?
This is hard to respond as the error code response nosotros get is quite vague. Sometimes credit card companies accept a alter in security / fraud procedures or algorithms. Other times information technology's our payment gateway deciding to trigger an anti-fraud flag suddenly.
It's unfortunate in whatever case, but we're ready and willing to explore solutions with you to go things working once again.
4. What payment options does GTmetrix accept?
We have Visa, Mastercard, American Express, Discover, Diners Club and JCB.
We can too take Purchase Orders (PO), PayPal, Cheques and Bank Transfers, only these methods need to be processed manually and require a Champion program or higher on a yearly term. Contact us to go this set up.
5. I require a PO / manual invoicing for my GTmetrix PRO subscription
Nosotros can aid you out! Allow our team know using our contact form and nosotros can set things up for you lot. Notation that nosotros just provide this service to users on Champion or higher plans on a yearly term.
6. I'm having trouble signing upward for a PRO subscription!
We'll assistance you resolve your issue. Reach out to our team using our contact class and we'll piece of work towards a solution.
7. How do I update my Payment Details?
You lot can update your billing information by logging into your GTmetrix account and visiting your Business relationship page.
On this folio, you'll see a box with the link "Update Billing Info":
Click that and you'll be taken to a form to update all of your billing data.
To update Credit Card details, click on "Update" next to the Credit Card input fields.
8. How do I view my past invoices?
Y'all can find all of your GTmetrix invoices by going to your Account page - then on the right menu block, click on "Past Invoices"
A sidebar volition slide out and reveal a dropdown selection of all bachelor invoices:
Just select your desired invoice and click "Download Invoice" to go a PDF version.
9. How practise I cancel my PRO subscription?
Sorry to hear you didn't find GTmetrix PRO a proficient fit =(
You can cancel your subscription from the Account folio by clicking on "Abolish Plan"
Follow the instructions and upon counterfoil, you should receive an e-mail confirming your cancellation.
Source: https://gtmetrix.com/faq.html
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